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Marathon CL030063BK USB Clock Charger with 2 Charging Ports, Universal AC Adapter-Backup Batteries Included Spectrum, Midnight Black

4.4 4.4 out of 5 stars 451 ratings

Currently unavailable.
We don't know when or if this item will be back in stock.
Midnight Black
Brand MARATHON
Color Midnight Black
Display Type Digital
Style Modern
Special Feature 256 color change options, color choice can be stationary or transitional
Product Dimensions 9.5"W x 3.5"H
Power Source Corded Electric, Battery Powered
Age Range (Description) Adult
Room Type Usb
Shape Rectangular

About this item

  • COLOR CHANGING DISPLAY ~ 256 colors to choose from or full cycle, and dimmer control (High/Low/Auto)
  • USB CHARGING ~ 2 fast charging, side mount USB ports for convenience, accessible device charging
  • ALARM WITH SNOOZE ~ Easy to set alarm with repeating snooze function (5 minute intervals)
  • DESIGNED BY MARATHON ~ The sleek shape back stand creates optimal viewing angle striking appearance
  • AC ADAPTER ~ Included 100V-240V AC Adapter with Battery Backup runs this modern digital desk clock
  • material type: Plastic
  • included components: Batteries included
  • finish types: plastic

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Marathon CL030063BK USB Clock Charger with 2 Charging Ports, Universal AC Adapter-Backup Batteries Included Spectrum, Midnight Black


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Product Description

Marathon's new 256 color changing, Spectrum LED display Alarm Clock & USB Charging Station has many features that make it an excellent addition to your nightstand, bedroom, living room, den, or office. The first thing that separates this clock from the rest, is the customizable 256 color spectrum LED display, which allows you to choose your favorite color! There is also an auto-scroll feature, which will continuously transition through all the breathtaking colors. Conveniently located on the side of the clock are two USB ports for charging your phone and / or tablet devices. This unique alarm clock also features an easily accessible alarm and snooze buttons, ideal for finding in the dark. The large display allows you to easily see the time, date, day of the week, temperature and humidity all at one simple glance. The time can be displayed in 12 or 24-hour format and the temperature can be displayed in Celsius or Fahrenheit. With backup battery power (batteries included) your alarm will sound even in a power outage. This clock is also lightweight for easy transport if you require. You cannot miss out on this incredible Marathon clock!

Customer reviews

4.4 out of 5 stars
451 global ratings

Customers say

Customers like the quality, functionality, and color options of the clock. They mention it's beautiful, has a good design, and the ability to change the display color. Some are also satisfied with the charging ports, size, and readability. However, some customers disagree on the brightness.

AI-generated from the text of customer reviews

52 customers mention "Clock quality"48 positive4 negative

Customers are satisfied with the quality of the clock. They mention it's beautiful, easy to use, and has a good design. Some appreciate the attractive data display and USB ports on the front. Overall, customers are happy with the product's quality.

"Well designed little desk/table-top clock with a lot of info on the readout...." Read more

"...Has time, temp, humidity, date and all are readable. I can easily see the time at night without my glasses...." Read more

"I loved the sleek modern look of this clock. Our existing clock was an old clock radio...." Read more

"This is perfect for our guest room - the guests can see the clock well, and it provides two convenient charging ports that seem to charge..." Read more

34 customers mention "Functionality"30 positive4 negative

Customers like the functionality of the clock. They mention it's easy to set up, has great functions, and is still working great. Some say it acts like a night lamp with illumination even in the dark. The battery backup works great, and the product is bright, easy to read, and informative.

"...No more flickering and all features works! The culprit was now found! Supplied adapter was the culprit and defective defective!..." Read more

"...use any of the other stuff like alarm but seems to have a good collection of features with snooze buttons on top which I used back in the day when i..." Read more

"...Great product!" Read more

"The click is great overall. Small, has lots of features except it needs two alarm settings and the brightness needs a dimmer switch...." Read more

25 customers mention "Color options"25 positive0 negative

Customers like the color options of the clock. They mention it's very accurate and dims at night. Some say the light blue color is especially beautiful.

"...The instructions allow you to change the color and the brightness of the display. Angle is adjustable. Love the 2 USB charging ports...." Read more

"Love this clock. Best feature is the ability to customize colors which I change from time to time...." Read more

"...It is easy to operate and I like the ability to change the display color...." Read more

"...The light blue color is especially beautiful and might very likely become your permanent 1 color...." Read more

21 customers mention "Ease of use"18 positive3 negative

Customers find the clock easy to use. They mention it's convenient with 2 USB ports and makes their life easy. Customers also appreciate the colors and active display.

"...Overall I like this clock. It is easy to operate and I like the ability to change the display color...." Read more

"...So that's just a matter of preference. Product is attractive, convenient and easy to use." Read more

"Very good and beautiful clock. Very easy to setup but I had a hard time choosing which color to use cause they're all beautiful...." Read more

"This clock is nice and super easy to use. The "low brightness" setting is perfect in my view. Not too bright at all...." Read more

19 customers mention "Charging ports"19 positive0 negative

Customers appreciate the charging ports on the sides of the clock. They mention they come in handy for recharging their reading lamp. Some say it's easy to use and great that it has USB charger.

"...Angle is adjustable. Love the 2 USB charging ports. Price is pretty good too. It would make a nice gift." Read more

"...The USB ports come in very handy for recharging my reading lamp. The brightness adjusts perfectly for sleeping." Read more

"...guest room - the guests can see the clock well, and it provides two convenient charging ports that seem to charge quickly...." Read more

"My husband loves this clock with weather display and two USB chargers...." Read more

16 customers mention "Size"16 positive0 negative

Customers like the size of the clock. They say it's good for small places, compact, and bright. Customers also appreciate the large readable numbers and letters. They mention it has a nice date display and is a great clock for showing off and impressing your guests.

"...Comments:This is a great clock for showing off and impressing your guests...." Read more

"...On the bright side, the numbers are large and very visible and the charging ports on the sides are handy." Read more

"The click is great overall. Small, has lots of features except it needs two alarm settings and the brightness needs a dimmer switch...." Read more

"...The numbers are large so they are visible from across the room." Read more

15 customers mention "Readability"15 positive0 negative

Customers find the clock very easy to read. They mention it has large numbers and the red button makes it easy to tell when the alarm is set.

"Well designed little desk/table-top clock with a lot of info on the readout...." Read more

"I love this clock! It's display is bright and easy to read. Has time, temp, humidity, date and all are readable...." Read more

"...have this in my living room and really like the display which is very easy to read...." Read more

"...It has two usbs on the side. It's very easy to see and read. It is still a little bright for night, but not enough to bother my sleep...." Read more

39 customers mention "Brightness"27 positive12 negative

Customers have mixed opinions about the brightness of the product. Some mention that it's visible from across the room, while others say it's still a little bright for night.

"...The instructions allow you to change the color and the brightness of the display. Angle is adjustable. Love the 2 USB charging ports...." Read more

"I love this clock! It's display is bright and easy to read. Has time, temp, humidity, date and all are readable...." Read more

"Doesn't dim very much at night..., but red is not that bad. Doesn't charge very fast. (About 1.5 to 2 hours for my phone)...." Read more

"...I loved the big bright lights and the abiliity to plug my cell phone charging cord right into the front of the clock...." Read more

review for accuracy junkies
5 out of 5 stars
review for accuracy junkies
i got two of these from the same 1116 lot (what they ship in 2021) and returned one for refund (thanks Amazon). clock accuracy may seem silly when you consider you'll need to time change these manually every 6 months, but i needed a second hand i could trust for financial market watching reasons. (against NIST) one clock was 10 seconds fast per month while the other clock was 2 seconds slow per month, so it would seem getting an accurate crystal is a crap shoot here.i used a salt bath calibrated B07YY1FB9D (which was double checked against nearby weather service readings while in the shade outdoors to further confirm accuracy). i determined that one humidistat was wild and seemed to report random numbers ±9% while the second one was +7% at low humidify and +5% at high humidify, which means if i could manually recalibrate this clock then it's humidity% would be reporting fairly accurately.accuracy junkies like myself should be patient with any device you buy, as you need a few weeks of observation for the humidity% to refine a bit on any new humidistat. be advised if you live an a dry climate, this clock reports "LOW" once under 20% and considering it's calibrated high, that would mean any reading under 27% will show up as "LOW" so if you need that number to be reported well down into the teens, don't depend solely on this clock.if we could recalibrate this thing and it had daylight savings clock change logic built into it - this would be a ultimate clock to have, but sadly Marathon designers missed the mark... yet it's still better at this price point than anything else out there, particularly if you need a wide viewing angle LED (to read across a dark room) instead of LCD. other features such as alarm and usb charging are not needed by me, so i don't comment on those here, but it's nice to know they can assist should i need them.
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Top reviews from the United States

Reviewed in the United States on October 29, 2022
Well designed little desk/table-top clock with a lot of info on the readout. The instructions allow you to change the color and the brightness of the display. Angle is adjustable. Love the 2 USB charging ports. Price is pretty good too. It would make a nice gift.
Reviewed in the United States on January 18, 2018
Color: Midnight BlackVerified Purchase
I love this clock! It's display is bright and easy to read. Has time, temp, humidity, date and all are readable. I can easily see the time at night without my glasses. I have it on a nightstand beside my bed, so I don't have it shining in my face. I don't think it lights up the bedroom all that much. When I ordered it, I thought it was pricey, but I knew I could return it if I didn't like it. No way I'm letting this thing go. I've hooked my iphone up to the usb port to charge it and have had no issues. I use the optional color display and just let it drift from one color to the next - it's really neat!
If there's a con to the clock, setting the alarm in the dark is not going to be easy. The buttons are small and are on the back. Wish they were on top. Not an issue if you use the same alarm time every day. There is a button on top to turn it off / on that's easy to find in the dark. I would definitely buy again.
2 people found this helpful
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Reviewed in the United States on February 13, 2019
Color: Midnight BlackVerified Purchase
Would like to apologize for bashing this product. Out of the box the clock flickered no matter what. But my son, to whom i gave this to as a gift, loved its potential - and i also wished this product could be great! We tried figuring out the problem and finally decided to try replacing the supplied universal ac/adapter with an old adapter that was used to charge a cellularphone - and it did work great! No more flickering and all features works! The culprit was now found! Supplied adapter was the culprit and defective defective! My son decided to keep it and asked me to cancel the return process.
Reviewed in the United States on February 10, 2019
Color: Midnight BlackVerified Purchase
Love this clock. Best feature is the ability to customize colors which I change from time to time. I don't use any of the other stuff like alarm but seems to have a good collection of features with snooze buttons on top which I used back in the day when i still used an alarm clock. What I'd like is this clock with no alarms, snoozes, less configure buttons at half the price. Alarm functionality is Alexa or apple watch form here on out. BUY.
2 people found this helpful
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Reviewed in the United States on February 7, 2020
I loved the sleek modern look of this clock. Our existing clock was an old clock radio. With the advent of Alexa devices we no longer needed the radio and I didn't like the bulkiness of the clock radio, so I ordered two of these so my wife and I could each have one next to our side of the bed. I loved the big bright lights and the abiliity to plug my cell phone charging cord right into the front of the clock. But my wife didn't like the bright light because it kept her awake. I showed her how to dim the display and now we are both very pleased with our new clocks. Great product!
Reviewed in the United States on June 22, 2021
Color: Midnight BlackVerified Purchase
i got two of these from the same 1116 lot (what they ship in 2021) and returned one for refund (thanks Amazon). clock accuracy may seem silly when you consider you'll need to time change these manually every 6 months, but i needed a second hand i could trust for financial market watching reasons. (against NIST) one clock was 10 seconds fast per month while the other clock was 2 seconds slow per month, so it would seem getting an accurate crystal is a crap shoot here.

i used a salt bath calibrated B07YY1FB9D (which was double checked against nearby weather service readings while in the shade outdoors to further confirm accuracy). i determined that one humidistat was wild and seemed to report random numbers ±9% while the second one was +7% at low humidify and +5% at high humidify, which means if i could manually recalibrate this clock then it's humidity% would be reporting fairly accurately.

accuracy junkies like myself should be patient with any device you buy, as you need a few weeks of observation for the humidity% to refine a bit on any new humidistat. be advised if you live an a dry climate, this clock reports "LOW" once under 20% and considering it's calibrated high, that would mean any reading under 27% will show up as "LOW" so if you need that number to be reported well down into the teens, don't depend solely on this clock.

if we could recalibrate this thing and it had daylight savings clock change logic built into it - this would be a ultimate clock to have, but sadly Marathon designers missed the mark... yet it's still better at this price point than anything else out there, particularly if you need a wide viewing angle LED (to read across a dark room) instead of LCD. other features such as alarm and usb charging are not needed by me, so i don't comment on those here, but it's nice to know they can assist should i need them.
Customer image
5.0 out of 5 stars review for accuracy junkies
Reviewed in the United States on June 22, 2021
i got two of these from the same 1116 lot (what they ship in 2021) and returned one for refund (thanks Amazon). clock accuracy may seem silly when you consider you'll need to time change these manually every 6 months, but i needed a second hand i could trust for financial market watching reasons. (against NIST) one clock was 10 seconds fast per month while the other clock was 2 seconds slow per month, so it would seem getting an accurate crystal is a crap shoot here.

i used a salt bath calibrated B07YY1FB9D (which was double checked against nearby weather service readings while in the shade outdoors to further confirm accuracy). i determined that one humidistat was wild and seemed to report random numbers ±9% while the second one was +7% at low humidify and +5% at high humidify, which means if i could manually recalibrate this clock then it's humidity% would be reporting fairly accurately.

accuracy junkies like myself should be patient with any device you buy, as you need a few weeks of observation for the humidity% to refine a bit on any new humidistat. be advised if you live an a dry climate, this clock reports "LOW" once under 20% and considering it's calibrated high, that would mean any reading under 27% will show up as "LOW" so if you need that number to be reported well down into the teens, don't depend solely on this clock.

if we could recalibrate this thing and it had daylight savings clock change logic built into it - this would be a ultimate clock to have, but sadly Marathon designers missed the mark... yet it's still better at this price point than anything else out there, particularly if you need a wide viewing angle LED (to read across a dark room) instead of LCD. other features such as alarm and usb charging are not needed by me, so i don't comment on those here, but it's nice to know they can assist should i need them.
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2 people found this helpful
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Reviewed in the United States on February 14, 2021
Love this quality alarm beside my nightstand. My old alarm couldn’t be relied on and wanted to upgrade mine. We have a couple of other Marathon clocks so trust their products. The USB ports come in very handy for recharging my reading lamp. The brightness adjusts perfectly for sleeping.
Reviewed in the United States on August 30, 2021
Color: Midnight BlackVerified Purchase
I purchased four clocks. Out of these one had a broken power adapter and another one faulty temperature sensor. Overall I like this clock. It is easy to operate and I like the ability to change the display color.

One problem is that the display becomes much less readable if the clock is above your eye level. For example, if you are laying on a bed and the clock is above you.

Top reviews from other countries

Translate all reviews to English
Cliente de Amazon
1.0 out of 5 stars Lo tuve que devolver, no me dejaba dormir.
Reviewed in Mexico on October 17, 2021
Color: Midnight BlackVerified Purchase
Lo tuve que devolver, no me dejaba dormir porque el dimmer no funcionaba bien. Quedaba muy brillante lamentablemente porque el reloj sí me gustaba.
Jessica S.
5.0 out of 5 stars Very good clock
Reviewed in Canada on May 28, 2021
Color: Midnight BlackVerified Purchase
Bought this for my 8 year old and he loves it. Easy to set, clear numbers and I like that it has a battery backup. My son loves the colour changing feature also. A little pricey for a clock but I would recommend it.
Jakemeister
5.0 out of 5 stars Great clock. Works well for traveling
Reviewed in Canada on August 19, 2019
I used this clock on a couple of cruises so far and it works great
Georgette Souaid
1.0 out of 5 stars L'alarme ne fonctionne pas 😔🤦‍♀️
Reviewed in Canada on August 2, 2024
L'alarme ne fonctionne pas
Linda
5.0 out of 5 stars BEST CLOCK
Reviewed in Canada on March 10, 2021
Color: Midnight BlackVerified Purchase
This is defiantly the best digital clock ever!! I love all the colors I just leave it on auto and get to see all the beautiful colors!! This clock has everything you could want and also very easy to use