Brand | Logitech |
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Item model number | 920-008149 |
Hardware Platform | Tablet |
Operating System | Windows 8 |
Item Weight | 1.92 pounds |
Product Dimensions | 0.9 x 6.2 x 14.9 inches |
Item Dimensions LxWxH | 0.9 x 6.2 x 14.9 inches |
Color | White |
Batteries | 1 C batteries required. (included) |
Manufacturer | Logitech, Inc |
ASIN | B01LZAK8MM |
Is Discontinued By Manufacturer | No |
Date First Available | September 14, 2016 |
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Logitech K780 Multi-Device Wireless Keyboard for Computer, Phone and Tablet – FLOW Cross-Computer Control Compatible
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Brand | Logitech |
Compatible Devices | Requirements Computers, phones, and tablets that support external keyboards Logitech Unifying receiver Required: Available USB Port Windows 10,11 or later macOS 10.14 or later Chrome OS Bluetooth Required: Bluetooth Smart ready device with keyboard support required (HID profile). Windows 10,11 or later macOS 10.15 or later Chrome OS iOS 11 or later iPadOS 13.4 or later Android 7 or later See more |
Connectivity Technology | Logitech Unifying protocol (2.4 GHz) Bluetooth Smart technology Wireless range: >33 ft / 10m wireless range 3Wireless range may vary due to environmental and computing conditions. See more |
Keyboard Description | QWERTY |
Recommended Uses For Product | Office |
Special Feature | Bluetooth |
Color | White |
Operating System | Windows 8 |
Number of Keys | 96 |
Keyboard backlighting color support | Single Color |
About this item
- Make sure this fits by entering your model number.
- Multi-device wireless keyboard: Beautiful type-on-everything keyboard with easy switching between three devices, including any computer, tablet and smartphone
- Logitech FLOW cross-computer typing: Use as a regular keyboard or combine with a compatible Logitech FLOW mouse (sold separately) to type, copy, paste and move files seamlessly between computers
- Comfortable typing: Full size, fully equipped keyboard with large, quiet keys and convenient number pad
- Integrated phone and tablet stand: Holds your devices at the perfect angle to type and read
- Wide compatibility: Windows 8 or later , Mac OS X 10.10 or later , iOS 5 or later , Android 5.0 or later Chrome OS
- OS Adaptive: Automatically recognizes each device and maps keys to give you a familiar layout, including hotkeys and shortcuts
- Two year battery life*: Virtually eliminates the need to change batteries (*Battery life calculation based on an estimated two million keystrokes/year in an office environment. User experience may vary.)
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Customer Rating | 4.5 out of 5 stars (2970) | 4.4 out of 5 stars (2012) | 4.1 out of 5 stars (4323) | 4.4 out of 5 stars (2012) | 4.2 out of 5 stars (47) | 4.3 out of 5 stars (365) |
Price | $64.99$64.99 | $35.99$35.99 | $20.56$20.56 | $35.99$35.99 | $35.99$35.99 | $25.99$25.99 |
Sold By | MyOfficeInnovations/Staples, Inc. | Nacodex Store Us | Amazon.com | Nacodex Store Us | Nacodex Store Us | Loigys-tech |
Are batteries included? | Yes | — | Yes | — | No | No |
Are batteries required? | Yes | No | Yes | No | Yes | Yes |
Color | White | Colorful Purple | Black | Colorful Pink | Multi-Purple | Black |
Connectivity Technology | Logitech Unifying protocol (2.4 GHz) Bluetooth Smart technology Wireless range: >33 ft / 10m wireless range 3Wireless range may vary due to environmental and computing conditions. | Bluetooth | Bluetooth, Radio Frequency, Usb | Bluetooth | Bluetooth | Wireless |
Hardware Interface | USB, Bluetooth | — | — | — | — | USB |
Item Dimensions | 0.9 x 6.2 x 14.9 inches | 12.6 x 5.3 x 2 inches | 21.4 x 5.6 x 1.3 inches | 12.6 x 5.3 x 1.9 inches | 13.58 x 5.91 x 1.06 inches | 17.52 x 7.35 x 0.79 inches |
Item Weight | 1.92 lbs | 1.30 lbs | 1.17 lbs | 1.30 lbs | 0.99 lbs | 1.39 lbs |
Model Year | 2016 | — | — | — | — | — |
What's in the box
From the manufacturer

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Logitech K780 Multi-Device Wireless Keyboard
Rewrite the rules of typing with one keyboard for your computer and mobile devices. Just type, switch and go.
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Type and switch between devices
Type a report on your computer, then type a message on your phone or tablet at the touch of an Easy-Switch button.
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Multi-device, multi-OS
Compatible with Windows, Mac, Android and iOS (iPhone and iPad), this universal keyboard recognizes the type of device that’s connected so that all the keys are exactly where you expect them to be.
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Full-size, fully equipped
Silent, smooth and familiar typing with Logitech PerfectStroke key system. Solid build with large, carefully crafted, concave keys, a convenient numbers pad, and all your favorite shortcut keys.
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Integrated rubber cradle holds mobile devices
Carefully holds a variety of devices from smartphones to 12" iPad Pro at a comfortable reading angle and within reach.
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Reliable and hassle-free
Long battery life of 24 months* from two pre-installed AAA batteries and easy, reliable wireless connections via Logitech Unifying USB receiver or Bluetooth Smart technology.

Add a Logitech Flow mouse to create a central workstation for multiple computers. Your keyboard follows the cursor across screens so you can type, navigate, copy and paste between computers in one fluid workflow. (Flow functionality requires pairing with Flow Technology mouse, sold separately.)
Key Features

Complete your multi-computer workstation
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Logitech M720 Multi-Device Wireless Mouse
Multi-Device Wireless Mouse with FLOW Cross-Computer Control and File Sharing for PC and Mac, Easy-Switch up to 3 Devices
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Logitech MX Sound Premium Bluetooth Speakers
Experience high-end wireless audio at your desk with easy switching between favorite devices like your computer, smartphone and tablet.
Combine your K780 keyboard with a Logitech Flow-enabled wireless mouse and desktop speakers for revolutionary control and typing across multiple computer screens.
Compare Keyboards
Creative input dial | ||
3 devices | Easy switching | 3 devices |
Full-size | Design | Compact |
| Numbers pad | |
Illuminated keys | ||
USB/Bluetooth | Wireless connection | Bluetooth |
| Flow technology |
Creative input dial | ||
3 devices | Easy switching | 3 devices |
Full-size | Design | Full-size |
| Numbers pad | |
Illuminated keys | ||
USB/Bluetooth | Wireless connection | Bluetooth |
| Flow technology | |
Creative input dial | | |
3 devices | Easy switching | 3 devices |
Full-size | Design | Full-size |
| Numbers pad | |
Illuminated keys | | |
USB/Bluetooth | Wireless connection | USB/Bluetooth |
| Flow technology | |
Product Description
The K780 multi-device is a fully equipped, beautifully finished computer keyboard that also works perfectly with smartphones and tablets.* Enjoy quiet, comfortable typing, switching easily between three devices you enter text on. Works with PC, Mac, Android, Chrome OS and iOS. * Use K780 as a regular keyboard or combine with a compatible Logitech FLOW mouse (sold separately) to type, copy, paste and move files seamlessly between computers. * USB-equipped or Bluetooth Smart ready device that supports an external keyboard (HID profile).
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Customer Reviews |
4.5 out of 5 stars |
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Best Sellers Rank | #10,960 in Climate Pledge Friendly (See Top 100 in Climate Pledge Friendly) #888 in Computer Keyboards #1,316 in Climate Pledge Friendly: Computers |
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Product Certification (1)
Carbon Neutral Certified by SCS Global Services enables companies to demonstrate carbon neutrality for their products by reducing carbon emissions throughout their operations and offsetting their remaining carbon footprint through the purchase of carbon credits. SCS Global Services is a global leader in third-party environmental and sustainability verification, certification, auditing, testing, and standards development. SCS is a chartered Benefit Corporation, reflecting its commitment to socially and environmentally responsible business practices.
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Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
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Reviewed in the United States on November 2, 2016
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As soon as I received it I unboxed it and took the battery cover off to take the little plastic tab (battery saver) from between the 2 AAA batteries which are included, so I could get to trying it out. To my surprise it was NOT just Bluetooth but it also came with a Unify Adapter! Now that was a pleasant surprise because at the time, one of my MiniPC's which sadly I had to return because of many issues (be careful buying refurbs) did not have Bluetooth, so I thought I would have to purchase a Bluetooth adapter for it, but with this keyboard coming with the Unify Dongle, it allows me to connect this keyboard to 3 Bluetooth PC's and use the Unify Adapter for everything else! I was not expecting the Unify Dongle and perhaps I did not read the description very well, but I don't recall it mentioning that,
I have now been using the keyboard for a bit and setting it up with the 3 MiniPc's was a piece of cake, very simple and had no issues at all. It easily switches between each device with the touch of a button, and takes a couple of seconds to reconnect (only need to pair once). One really nice feature is that after a couple minutes of no use, the keyboard will go into battery save mode, then when your ready to type again, only takes but 1-2 seconds to start typing again. While some might think that would be a hassle, when you consider how much battery this will save, it's easily over looked. The manufacture Logitech states that they batteries should last 2 years in one of their other Bluetooth keyboards which I also purchased for my other misc devices, so I would have to imagine that using Bluetooth alone and not the Unify adapter, I should get similar results from this, but only time will tell. Though I am only using the batteries that it came with right now, and who knows how long they have been sitting in the device before i purchased it and they are generic batteries. I am guessing I won't get that long, however, if I get a few months out of the 2 batteries which as much as I use it, I will be impressed none the less. When switching from PC to PC you simple hit the white button at the top that corresponds to the device that you pair the keyboard with and within 3 seconds, the keyboard is connected to that device and your ready to start typing away.
The only down side that I have found is that I can not find the one key that I use a lot, and I was unable to find it on the Logitech support site nor in the manual online for this keyboard, is the Print Screen button. It's usually on the right side top of most keyboards or in the number pad somewhere, but I can't find it. I looked on Google and couldn't find an answer their either so I will have to send an email to Logitech support to find out where it is, but again, this is a minor inconvenience for now, but at least I know there is an easy solution for that once they respond and let me know.
With a couple tiny inconveniences that are really low on my list of issues I have ever had with technology gadgets I have ever purchased, I am very happy with the purchase of this keyboard and I recommend this to anyone who needs a Bluetooth keyboard and needs the ability to connect to more then 1 device. It's incredibly well made, and had some weight to it, so you can tell it's not just some cheap piece of plastic keyboard, It has a nice no slip bottom which holds on to any surface you use it on, and it is constructed with an incredibly useful holder on the top which is where the white strip is which was designed to hold your portable devices like a mobile phone or tablet. Since I am not using it with those devices, I find it very useful for holding everything from pens and credit cards (perhaps I use that last one too much) to pieces of paper like a password list and even a notepad which I need to read from while working. It is a great keyboard and I am glad I choose this one over some of the other brands I was looking at and while it cost a little more then the others, Logitech is in my mind the absolute leader in mice and keyboards, and once again, they did not let me down! (PS- This keyboaard is a perfect match when purchased with their Multi Device (3 devices) M720 Bluetooth mouse which also comes with it's own Unify Dongle! Both paid via Bluetooth to 3 devices, and both have their own Unify Dongle. If you download Logitech's Unity app, you can actually pair both the keyboard and mouse to the same Unify adapter since each dongle can pair with up to 6 Unify capable devices. They are a match made in heaven!
I hope this helps someone who might be looking for this type of a solution because had I read a review from someone else about these, I would not have spent 3 days of endless searching, which ultimately, I am glad I did and got this pair!
Keyboard itself takes some time to get adjusted to, after years of using more traditional, larger keyboards. For me, the hardest part was that arrows are right below Enter and Shift buttons - when writing text I often hit the area to the upper left side from arrows, where Enter supposed to be. Also, having F-keys as a secondary action that requires pressing Fn button is annoying sometimes, but I don't use those keys much.
I like the design of round keys, I find that key action is good enough and not worse than any compact keyboard. The phone/tablet stand was not useful a lot for me. I don't use tablets, though, and I imagine it's helpful to put a tablet into the stand if the tablet doesn't have it's own stand. Battery life was great. I think I had to change batteries once since 2018. Overall, I'm satisfied with this keyboard.
Now why I decided to write this review after 4 years using a keyboard? It kept well over the years, but the mouse I used with it got the soft cover material deteriorated. I wanted to replace the mouse with the same model, and keep the keyboard, and 2 USB dongles I was using with my laptops. Unfortunately, the new mouse came with C-U0008 USB receiver, and the old mouse and keyboard from 2018 had C-U0007. Now, despite that new mouse was exactly the same model as old one, and all those products advertised to be compatible with "unifying" receivers, they are not. Old K780 keyboard is not compatible with new C-U0008 USB receiver, and new M720 mouse doesn't work with old C-U0007 receiver. Logitech, this is a really bad way to s.... customers. There is a kind of a workaround - use Bluetooth instead of RF, but it doesn't connect instantly, there is a few seconds gap between the moment you press switch button and when the keys start working on another device. It's not much of a deal, but it's very annoying, especially as I have to use it because of Logitech's fault to keep the "unifying" receiver ecosystem really unifying. Also, this will not work for everyone - not all desktop PCs have Bluetooth.
Now I either have to live with laggy Bluetooth connection or buy a new keyboard with C-U0008 USB receiver to have my setup working again. Or I'd rather return the new M720 mouse and get Dell or some other brand making multi-device keyboards.
UPDATE: Changed 4 star to 5 stars because all compatibility complaints above are wrong. Unifying receiver works as it should, it's just not that straightforward to re-pair existing devices from old to new receivers. You need some kind of software that can trigger "unpairing" of device from old receiver so it can be paired again on the same channel with the new receiver. For Windows I used "Logitech Unifying Software" and for Linux I used "Solaar".
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Setup was stupidly difficult, too. You have two choices: Bluetooth or the USB Unifying Receiver. One USB Unifying Receiver is included with the keyboard but since the whole point of the thing is that it supports three devices, you might need to buy one or two more for your use case at about $13 each. Once you've got those, you'll need to install the Unifying Software on all devices using USB Unifying Receivers and it will prompt you to turn off the keyboard and turn it back on as part of the pairing process. It'll even tell you where to find the on/off switch. Except one problem: there's no on/off switch on this thing, so you'll actually have to pull out a battery at that point in the setup and quickly put it back in. That worked for me at least, but it's stupidly clunky. At least Bluetooth setup is easy and fast.
There are no home or end keys, so you'll have to turn numlock off and use the keypad if you want those features. No print-screen either, although Windows Snipping Tool has made me forget about that key even when I have it. They did manage to squeeze in four arrow keys which is nice. Overall typing feel is very good for me, but I adapt easily to new keyboards generally. I'm touch typing this review on the K780 and have made no more mistakes than usual for me.
This thing logically matches up with the Logitech M720 three-device mouse, but if you get both (as I did), you'll find they don't switch devices together. You need to change the keyboard to the device you want and then change the mouse separately, which seems like something they could automate easily but haven't.
Why five stars given all my complaints? Because nobody else makes a multi-device keyboard that I can find, and this thing makes KVM switches obsolete when paired with the Logitech M720 three-device mouse and a multi-input monitor, and that setup has none of the cable clutter that comes with KVM switches. For me, that outweighs a stupid setup process, and it might even outweigh the general ugliness of the keyboard. I'm not sure about the latter point, which I realize makes me sound superficial but I pride myself in my equipment and have pretty high quality gear and this children's-toy-looking keyboard just doesn't fit in with the kind of atmosphere I'm trying to create in my workspace. For now, I'm keeping it for the multi-device functionality, but I'll keep my eyes open for upgrades. If Logitech made a better looking, better feeling version of this for say $50 more, I'd buy it in a minute.
Decide how important multi-device functionality is to you because this thing is ugly. Factor the M720 three-device mouse into your plans as well if you decide to go ahead.

UPDATE 2020-12-26: I'm going back to my K4. Unfortunately, the K780 num lock toggle doesn't work for Blender on Windows. I'm forced to use my left hand on the fn key to access the navigation keys. Same goes for MacOS. It's a mind-bogglingly silly oversight on Logitech's part. It would've been a nice keyboard, but with this problem, it's not worth anywhere near $100 CDN.
ORIGINAL REVIEW
FIrst, a little background. I have been using the K380 for a few years. It has been my favourite keyboard until now. When I started coding professionally, I got a Keychron K4 for the numpad and the clickety-clack of mechanical keys, but there were wonderful features of the k380 that were missing on the K4. For example, there is a keystroke buffer on the K380 that remembers your keystrokes while the keyboard reconnects from sleep. That means keystrokes don't get lost if you take a break from typing. The K4 didn't have that. So I had to have it plugged in all the time. Also, the K380 seamlessly transitions between my devices (Windows, Mac and Android... and sometimes Raspberry Pi). It is100% reliable that way. Finally, the battery life on the K380 is unmatched.
Enter the K780. The K780 is all of these things minus portability. I initially got it because the numpad is useful for Blender (lots of keyboard shortcuts). It's also highly durable. I'm very happy with it. I'll use it all day, every day. This is the only keyboard I'll ever need.
If there's one criticism I have for the K780, it's the lack of a numlock indicator. I can deal with no capslock light because capslock itself is an outmoded feature (seriously, typing all-caps should be banned by 2021), but numlock is essential for alternating with home/end/pgup/pgdn. If I'm in the wrong mode, the results mess up my workflow. If the decision to omit an indicator was made to conserve battery life, they could have put in a mechanical switch, like a latching button, to toggle numlock instead.
I haven't tried the FLOW feature, but one of these days, I'll get around to it. Either that, or I'll upgrade to a multidevice mouse.
If you like your K380, but you wish it had a numpad and don't mind sacrificing portability, get yourself a K780.

It makes typing a pleasure honestly.
One thing that I dislike about it, is that when you press caps lock it has no "light" that illuminates to let you know that you've pressed caps lock. This creates frustration a lot as you type your password incorrectly with the wrong letter case all the time, and have to guess whether or not you left caps lock on or not.
Not sure why they didn't include this, as the keyboard does have a light on the far right side that illuminates, I guess they just wanted to cut corners and be cheap.
Still, this is the most comfortable keyboard i've ever used in my life -- hands down.



Reviewed in Canada 🇨🇦 on July 31, 2019


k780 is the same size as all other "standard" keyboards. Only the round shape of keys makes it different. And I really like this shape.
I use F... keys a lot in my work. K780 has F... keys. They are small. Keyboard has no gaps in between groups of F... keys. As you might see I added special markers for my fingers to easily find separation in between F4...F5 and F8...F9 groups.
The numeric part of the keyboard is useless for me and I have to use additional markers to prevent my fingers from going there.
Also, I found that USB dongle is not good to use in my environment. Better to use Bluetooth.
Software from Logitech is "Logitech Options"... If you ever used "SetPoint" you can see the differences. "Logitech Options" is not a good product... huge pictures and very few settings might be set.
One year and a half... died. No Bluetooth or unifying receiver connections.