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Technical Details
- Brand Name: Logitech
- Model: 920-002912
- Color Name: Black
- Weight: 3.00 pounds
- Item Package Quantity: 1
Product Details
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Product Description
From the Manufacturer
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| Wireless Solar Keyboard K750 Noteworthy Features | |
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| • | Powered by indoor lighting or sunlight | |
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| • | Sleek ultra-thin design | |
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| • | Concave key caps for more comfortable typing | |
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| • | Reliably strong 2.4 GHz wireless connection | |
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| • | Tiny Logitech Unifying receiver stays in your laptop |
| | Logitech Wireless Solar Keyboard K750 If you've got light, you've got power |
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Awards and Accolades
 | | CES 2011 Innovations Award Honoree in Computer Peripherals November 2010 |
Compatibility
 | | | What's in the box? | | | Works with: |
Compare
Which Logitech Keyboard Is Right For You?
| Wired | Wireless | |||||||||||
 |  |  |  |  |  |  | |||||||
 |  |  | | | | | |||||||
| Keyboard K120 | Media Keyboard K200 | Illuminated Keyboard | Wireless Keyboard K270 | Wireless Keyboard K350 | Wireless Solar Keyboard K750 | Wireless Illuminated Keyboard K800 | |||||||
| What Do You Get? | Quiet and comfortable typing | One-touch media and Internet controls | Ultra-thin with bright, backlit keys | Reliable wireless wherever you use your keyboard | Enhanced comfort and customizable control | A light-powered keyboard that charges itself whenever thereÕs light | Brilliant lighting, comfort and stylel | ||||||
| Connection Choices | |||||||||||||
| USB Support |  | | | | | | | ||||||
| Advanced Wireless: Fast, powerful 2.4 GHz connection | | | | | |||||||||
| Unifying Receiver: Tiny wireless receiver stays in your notebook | | | | | |||||||||
| Keyboard Design | |||||||||||||
| Keyboard Layout | Full Size | Full Size | Full Size | Full Size | Full Size | Full Size | Full Size | ||||||
| Typing Experience | Low-profile keys shift your wrists toward a more neutral position for comfortable, quiet typing. | Low-profile keys shift your wrists toward a more neutral position for comfortable, quiet typing. | PerfectStroke key system distributes typing force evenly across key surfaces, making every keystroke comfortable, fluid, and whisper-quiet. | Full-size keys and wide, curved space bar. | Comfort Wave design cradles your hands instead of forcing your wrists to bend as you type. | PerfectStroke key system distributes typing force evenly across key surfaces, making every stroke comfortable, fluid, and whisper-quiet. Incurve keys position your fingers properly and invite your fingertips to glide from key to key. | PerfectStroke key system distributes typing force evenly across key surfaces, making every stroke comfortable, fluid, and whisper-quiet. Incurve keys position your fingers properly and invite your fingertips to glide from key to key. | ||||||
| Integrated Number Pad | | | | | | | | ||||||
| Profile | Thin | Thin | Ultra-thin | Thin | Curved | Ultra-thin | Ultra-thin | ||||||
| Integrated Palm Rest | | Cushioned | | ||||||||||
| Backlit Keys | | | |||||||||||
| Adjustable height/angles | | | | | | | | ||||||
| Battery | |||||||||||||
| Keyboard battery life (months) | 24 months | 36 months | Infinity | 36 months (rechargeable) | |||||||||
| Battery indicator | | | |||||||||||
| Keyboard on/off switch | | | | | |||||||||
| Controls | |||||||||||||
| Programmable F-Keys: Download additional software to change or define functions | | | | | |||||||||
| Enhanced F-Keys: Give you additional functions on top of your F-keys | | | | | |||||||||
| Launch Calculator Key | | | | | | ||||||||
| Search Feature | | | |||||||||||
| Launch E-Mail | | | | | | | |||||||
| Launch Web Browser | | | | | | | |||||||
| Launch IM / VOIP | | | |||||||||||
| System Support | |||||||||||||
| Windows XP, Vista, or 7 | | | | | | | | ||||||
Product Description
Battery hassles are a thing of the past with the solar-powered Logitech Wireless Solar Keyboard K750.
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Customer Reviews
Most Helpful Customer Reviews
227 of 233 people found the following review helpful
By MarkT
My biggest concern before buying this keyboard was that it would die too often. Let me first explain how these concerns were put to rest after several months of use. I use this keyboard in a room with a single window that is covered by both blinds and curtains. I also use the keyboard at least 10 feet from the window and the light in the room is off for most of the day. The keyboard gets several hours of use daily and I have never flipped the hardware power switch off. The power level, however, has never dropped below 100%.
Next, the "PerfectStroke key system" and "Incurve Keys" really are comfortable and make typing easier. I particularly like the way the key feels when you press down. You get a very small amount of feedback almost resembling the old IBM keyboards, but without the loud clicking. I agree that it is a bit like tapping on a laptop. The big difference, however, is that the keys on the k750 are much sturdier than those on your usual notebook PC.
As for the connection, I was a bit worried that the new super-small "unifying receiver" would not provide adequate signal. This is incorrect. In fact, this small transponder works much better than Logitech's older stick version. It is on the back of my pc and so has to see through an aluminum computer chassis as well as a wooden desk, about 4 feet total distance. I've never had a problem with the signal on either my mouse or this keyboard.
Finally, the software for the keyboard is pretty much what you'd expect. You press the sunlight button and a dialog pops up on your computer telling you the "LUX" (amount of light) your keyboard is getting and how much battery power is remaining. There is also a function key which you use in combination with the top row of keys to do things like open your internet browser, pause a song, mute/increase/decrease the volume, etc.
One downside, according to my wife, is that it looks like I'm using a giant old-school calculator. I think this is not true at all: the solar panels are a dark red while the keyboard is black. This causes the solar panels to not really be noticeable unless you are looking for them.
Next, the "PerfectStroke key system" and "Incurve Keys" really are comfortable and make typing easier. I particularly like the way the key feels when you press down. You get a very small amount of feedback almost resembling the old IBM keyboards, but without the loud clicking. I agree that it is a bit like tapping on a laptop. The big difference, however, is that the keys on the k750 are much sturdier than those on your usual notebook PC.
As for the connection, I was a bit worried that the new super-small "unifying receiver" would not provide adequate signal. This is incorrect. In fact, this small transponder works much better than Logitech's older stick version. It is on the back of my pc and so has to see through an aluminum computer chassis as well as a wooden desk, about 4 feet total distance. I've never had a problem with the signal on either my mouse or this keyboard.
Finally, the software for the keyboard is pretty much what you'd expect. You press the sunlight button and a dialog pops up on your computer telling you the "LUX" (amount of light) your keyboard is getting and how much battery power is remaining. There is also a function key which you use in combination with the top row of keys to do things like open your internet browser, pause a song, mute/increase/decrease the volume, etc.
One downside, according to my wife, is that it looks like I'm using a giant old-school calculator. I think this is not true at all: the solar panels are a dark red while the keyboard is black. This causes the solar panels to not really be noticeable unless you are looking for them.
242 of 250 people found the following review helpful
By SigmaV
Amazon Verified Purchase
First of all, after using Amazon for more than five years, I have never written a single review for a product. It is simply that nothing that I have previously purchased on Amazon was worthy of taking the time that writing a review requires.
This particular product of Logitech, however, has made an impression that will last for months to come.
The first thing you notice when you receive the item is, well, nothing. The packaging on the outside of the product is exactly what one would expect from Logitech, nicely printed in both color and quality. The genius of the packaging design, however, lies within the box. Logitech has revolutionized how a technological "green" product should be packaged. Where in this case the keyboard is packaged using nearly 100% of cardboard materials. Furthermore, there is not a single piece of paper within the box, as both instructions and manuals are cleverly integrated onto the reverse side of the outer box and the inner carton. This clever method by Logitech has not only reduced the amount of environmental impact through unwanted materials, it has also made me feel less guilty from having the ability to throw the entire packaging into the recycle bin.
The second thing you notice after taking out the keyboard is how incredibly light and thin it is. There are several introductory tags on the keyboard itself that shows its features and one of them kept the battery separate from the circuit. There is also a protective layer on the front side of the keyboard covering the surface, of which I have not yet removed since it does not interrupt the usage of the keyboard itself.
After a simple process of pairing it with my Performance MX's unifying receiver, the driver was installed within seconds and the K750 was ready to go. The keyboard itself includes a unifying receiver and a signal booster, I just did not need them.
The typing itself is a thrill. While feeling like a laptop keyboard, the keys generate enough "bounce" on your fingers that allows the smoothest of input just like a desktop keyboard. I own both the Logitech G11 and Logitech DiNovo Edge (Was nearly $250 when it was purchased), and I can easily say that the K750 beats their "feel" hands down.
I have heard many complaints about Logitech keyboards not being "game ready" because it cannot take more than a certain amount of keys at a single time. Well, in my rudimentary tests it was able to handle up to 6 characters at the same time, where if 8 keys are simultaneously pushed down it will input the first six. I am not sure what the exact problem with the previous keyboards were, but I hope this will at least answer a few questions.
Furthermore, the keyboard prop legs on the N750 is very stable, contrary to that of a previous review. It was able to stand firm on a surface where my DiNovo Edge likes to slide around.
Thin, light, green, great feel, no charging required, numpad and an ingenious Logitech design has combined forces to create arguably the best piece of computer peripheral.
Thank you for taking the time to read this review, as it was nothing less than an amazing experience for me to type up with my new K750.
--------------------------------------------------
UPDATE - 1.5 YEAR MARK
After almost a year and a half of heavy usage on the K750, I figure it is time to give y'all a progress update.
THE GOOD:
The battery holds up against the test of time extremely well, never dipping below 80% charge in a well-lit room. In darker rooms, all I have to do is stick it near a window every 2 month or so to return it to full charge. It is no hassle compared to other options out there.
The keyboard's keys still feels as good as the first day I started using it.
Durability of the keyboard is amazing. It's shape had held it's ground through many forms of physical torture.
THE BAD:
The keyboard's glossy surface has incurred countless minor scratches during my travels with it. My recommendation is to not remove the protective film that came with the keyboard, or to transport the keyboard in it's original box if you would like to keep it's condition pristine.
The logo on the receiver rubbed off after staying on my laptop for a 6 months or so, but that is understandable on any product.
One of the rubber legs in the bottom left corner fell off after many times of transportation in my backpack. Actually I am surprised that it had not fell of earlier with the way I handled the keyboard. Again, I recommend keeping it in the box when moving it around.
THE UGLY:
Unfortunately the keyboard refused to pair with a receiver at the 1.5 year mark. It is a strange problem shared by a few buyers, and the solution to the problem varied. Some say to "shake" the keyboard and it will work, some say to remove and reinsert the battery, and etc... Personally, my diagnostics procedures included:
Pairing with another receiver
Reinstalling software
Deleting the driver manually (USBDEVIEW)
Using another computer
Pairing other devices using the same receiver
Reinserting the battery
Shaking the device (See Above)
Nothing worked. The computer simply did not want to see the keyboard.
Therefore, I contacted Logitech Support and asked for a RMA. After a relatively painless process of submitting your information, a replacement was on its way to my doorstep. Strangely, Logitech did not want its broken device back, unlike most other RMAs.
And here is where it gets good:
The replacement K750 is a BRAND NEW RENDITION of the keyboard.
The border of the keyboard as well as the back is no longer white, it is now a metallic black color.
The logo between the solar panels is updated to a newer version, and is slightly bigger.
The keys are slightly louder and lighter on the press. It feels ever-so-slightly looser while does not compromise the feel of quality.
Instead of yellow functional keys, they are now blue. Personally I like the yellow better as it stands out more.
Overall, the new keyboard is significantly lower profile than the version I had, while retaining the functionality and size of the original.
Oh and did I mention it is brand new? I can say without hesitation that Logtech support is one of top-dogs of the industry, next to the likes of Amazon or Apple.
A twist to the story:
Apparently during my RMA process, my old K750 has had some time to think things over and decided to revive itself to fight another day. It is now working perfectly again without any work on my part other than to leave it alone for 2 weeks or so... If you are looking for answers I have none... My best guess is that the keyboard reset itself after not being used for so long, who knows?
Conclusion:
The K750 is still the best typing keyboard I have used to-date. Even with minor/major hiccups there is nothing for you to worry about when it comes to Logitech's world class support. After the whole ordeal I ended up with my old K750 working again and a brand new one to boot.
Thank you Logitech. And thank you for reading.
This particular product of Logitech, however, has made an impression that will last for months to come.
The first thing you notice when you receive the item is, well, nothing. The packaging on the outside of the product is exactly what one would expect from Logitech, nicely printed in both color and quality. The genius of the packaging design, however, lies within the box. Logitech has revolutionized how a technological "green" product should be packaged. Where in this case the keyboard is packaged using nearly 100% of cardboard materials. Furthermore, there is not a single piece of paper within the box, as both instructions and manuals are cleverly integrated onto the reverse side of the outer box and the inner carton. This clever method by Logitech has not only reduced the amount of environmental impact through unwanted materials, it has also made me feel less guilty from having the ability to throw the entire packaging into the recycle bin.
The second thing you notice after taking out the keyboard is how incredibly light and thin it is. There are several introductory tags on the keyboard itself that shows its features and one of them kept the battery separate from the circuit. There is also a protective layer on the front side of the keyboard covering the surface, of which I have not yet removed since it does not interrupt the usage of the keyboard itself.
After a simple process of pairing it with my Performance MX's unifying receiver, the driver was installed within seconds and the K750 was ready to go. The keyboard itself includes a unifying receiver and a signal booster, I just did not need them.
The typing itself is a thrill. While feeling like a laptop keyboard, the keys generate enough "bounce" on your fingers that allows the smoothest of input just like a desktop keyboard. I own both the Logitech G11 and Logitech DiNovo Edge (Was nearly $250 when it was purchased), and I can easily say that the K750 beats their "feel" hands down.
I have heard many complaints about Logitech keyboards not being "game ready" because it cannot take more than a certain amount of keys at a single time. Well, in my rudimentary tests it was able to handle up to 6 characters at the same time, where if 8 keys are simultaneously pushed down it will input the first six. I am not sure what the exact problem with the previous keyboards were, but I hope this will at least answer a few questions.
Furthermore, the keyboard prop legs on the N750 is very stable, contrary to that of a previous review. It was able to stand firm on a surface where my DiNovo Edge likes to slide around.
Thin, light, green, great feel, no charging required, numpad and an ingenious Logitech design has combined forces to create arguably the best piece of computer peripheral.
Thank you for taking the time to read this review, as it was nothing less than an amazing experience for me to type up with my new K750.
--------------------------------------------------
UPDATE - 1.5 YEAR MARK
After almost a year and a half of heavy usage on the K750, I figure it is time to give y'all a progress update.
THE GOOD:
The battery holds up against the test of time extremely well, never dipping below 80% charge in a well-lit room. In darker rooms, all I have to do is stick it near a window every 2 month or so to return it to full charge. It is no hassle compared to other options out there.
The keyboard's keys still feels as good as the first day I started using it.
Durability of the keyboard is amazing. It's shape had held it's ground through many forms of physical torture.
THE BAD:
The keyboard's glossy surface has incurred countless minor scratches during my travels with it. My recommendation is to not remove the protective film that came with the keyboard, or to transport the keyboard in it's original box if you would like to keep it's condition pristine.
The logo on the receiver rubbed off after staying on my laptop for a 6 months or so, but that is understandable on any product.
One of the rubber legs in the bottom left corner fell off after many times of transportation in my backpack. Actually I am surprised that it had not fell of earlier with the way I handled the keyboard. Again, I recommend keeping it in the box when moving it around.
THE UGLY:
Unfortunately the keyboard refused to pair with a receiver at the 1.5 year mark. It is a strange problem shared by a few buyers, and the solution to the problem varied. Some say to "shake" the keyboard and it will work, some say to remove and reinsert the battery, and etc... Personally, my diagnostics procedures included:
Pairing with another receiver
Reinstalling software
Deleting the driver manually (USBDEVIEW)
Using another computer
Pairing other devices using the same receiver
Reinserting the battery
Shaking the device (See Above)
Nothing worked. The computer simply did not want to see the keyboard.
Therefore, I contacted Logitech Support and asked for a RMA. After a relatively painless process of submitting your information, a replacement was on its way to my doorstep. Strangely, Logitech did not want its broken device back, unlike most other RMAs.
And here is where it gets good:
The replacement K750 is a BRAND NEW RENDITION of the keyboard.
The border of the keyboard as well as the back is no longer white, it is now a metallic black color.
The logo between the solar panels is updated to a newer version, and is slightly bigger.
The keys are slightly louder and lighter on the press. It feels ever-so-slightly looser while does not compromise the feel of quality.
Instead of yellow functional keys, they are now blue. Personally I like the yellow better as it stands out more.
Overall, the new keyboard is significantly lower profile than the version I had, while retaining the functionality and size of the original.
Oh and did I mention it is brand new? I can say without hesitation that Logtech support is one of top-dogs of the industry, next to the likes of Amazon or Apple.
A twist to the story:
Apparently during my RMA process, my old K750 has had some time to think things over and decided to revive itself to fight another day. It is now working perfectly again without any work on my part other than to leave it alone for 2 weeks or so... If you are looking for answers I have none... My best guess is that the keyboard reset itself after not being used for so long, who knows?
Conclusion:
The K750 is still the best typing keyboard I have used to-date. Even with minor/major hiccups there is nothing for you to worry about when it comes to Logitech's world class support. After the whole ordeal I ended up with my old K750 working again and a brand new one to boot.
Thank you Logitech. And thank you for reading.
99 of 108 people found the following review helpful
By Nemeo
I wasn't specifically looking for a 'solar' keyboard, but this works great.
The design/feel is about the same as typing on recent Apple keyboards where the keys are like 'chiclet' candies.
It's very comfortable and easy to use. I was looking for an ergonomic replacement for my aging/sticky Microsoft wireless ergonomic keyboard... I was sick of changing out rechargeable batteries all the time.
This uses a VERY tiny USB adapter which allows other wireless logitech devices to connect to 1 adapter.
PROS:
-very comfortable / fast typing / very responsive
-not overly 'fancy' with all kinds of volume/media controls... although it does have the capability for some functionality such as music, shortcuts, media controls, calculator, etc...
-VERY thin (feels like typing on a thin laptop)
-you don't "need" to install any software... so it should work on Linux for basic functionality
CONS:
-not 'ergonomic' / wave-shaped
-shiny black surface might attrack some fingerprints, but it's not too bad as it seems
-incline 'feet' are a little thin, not very stable (but I don't use them)
SOLAR:
-I was worried the solar panels might not get enough light but I've never had the built-in batteries drop below 100% (I'm within a few feet of a window
-overhead room lights are more than sufficient to charge solar panels
-cool little 'Solar App' shows if you're getting enough light at that particular time
The design/feel is about the same as typing on recent Apple keyboards where the keys are like 'chiclet' candies.
It's very comfortable and easy to use. I was looking for an ergonomic replacement for my aging/sticky Microsoft wireless ergonomic keyboard... I was sick of changing out rechargeable batteries all the time.
This uses a VERY tiny USB adapter which allows other wireless logitech devices to connect to 1 adapter.
PROS:
-very comfortable / fast typing / very responsive
-not overly 'fancy' with all kinds of volume/media controls... although it does have the capability for some functionality such as music, shortcuts, media controls, calculator, etc...
-VERY thin (feels like typing on a thin laptop)
-you don't "need" to install any software... so it should work on Linux for basic functionality
CONS:
-not 'ergonomic' / wave-shaped
-shiny black surface might attrack some fingerprints, but it's not too bad as it seems
-incline 'feet' are a little thin, not very stable (but I don't use them)
SOLAR:
-I was worried the solar panels might not get enough light but I've never had the built-in batteries drop below 100% (I'm within a few feet of a window
-overhead room lights are more than sufficient to charge solar panels
-cool little 'Solar App' shows if you're getting enough light at that particular time
Most Recent Customer Reviews
5.0 out of 5 stars
BATTERIES!, WHAT'S THAT?
I was a bit sceptical about buying this, the thing that i dont have to replace batteries or anything was very attractive so i decided to give it a chance, and what can i say,... Read more
Published 11 hours ago by JR2N
5.0 out of 5 stars
Like a calculator on steroids
This keyboard is AWESOME. My office is pretty dark; even with the lights on and the window blinds open during the day, the Logitech lux meter rarely registers much more than 30 lux... Read more
Published 14 hours ago by Elaine
5.0 out of 5 stars
Great feel
The K750 has a great feel. I've had the keyboard for a little over a month. The battery shows no problems (I usually forget to turn the keyboard off at night). Read more
Published 3 days ago by J. Keller
5.0 out of 5 stars
A week in, and great keyboard so far
I'm about a week of using this keyboard and it's working flawlessly. I've VERY used to my Laptop keyboard, and the key spacing is a bit wider on this keyboard - but it seems to be... Read more
Published 4 days ago by Russell
5.0 out of 5 stars
Amazing keyboard!
That is the best keyboard which I ever used!
It very comfortable for.
It also very beautiful but the keyboard get dirty from fingerprint. Read more
It very comfortable for.
It also very beautiful but the keyboard get dirty from fingerprint. Read more
Published 4 days ago by daniel miller
5.0 out of 5 stars
Great feel, charges quickly and easily
I'm very satisfied with this keyboard. It charges in a few hours if left in direct sunlight, and keeps the charge for months. And the typing feel is very comfortable.
Published 5 days ago by Noah M. Chafets
4.0 out of 5 stars
Enlightened purchase
This is generally speaking a good product that has performed as advertised. The only thing I'm not thrilled about is the two supports that tilt the keyboard forward. Read more
Published 5 days ago by Mark C.
5.0 out of 5 stars
Sleek, sexy and even a software dashboard!
I received the Logitech Wireless Solar Keyboard K750 for Mother's Day and I just love it! The keys respond and click nicely. Read more
Published 7 days ago by Dr. M. A. Dixon
5.0 out of 5 stars
I am done changing out batteries.
This is awesome. Nice and sleek looking.f Don't have to worry about charging the batteries and looks good on my glass desk.
Published 7 days ago by Meenal P. Vashishat
1.0 out of 5 stars
Keyboard does not hold charge
Stay away, I will never buy another Logitech product, all give up the ghost sooner or later!
My keyboard does not hold charge, I can put it in sunlight for hours and after I... Read more
My keyboard does not hold charge, I can put it in sunlight for hours and after I... Read more
Published 9 days ago by KJokeFan
