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Item#: 9SIA0ZX2C29535

Logitech K750 920-002912 Black USB RF Wireless Slim Solar Keyboard

  • USB
  • RF Wireless
  • solar-powered
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  • newegg Light-powered keyboard It doesn’t get more hassle-free than this. This keyboard charges itself whenever there’s light—and stays charged for at least three months in total darkness—so you can say good-bye to battery hassles.
  • newegg Advanced 2.4 GHz wireless So you can work or play in more places—like your comfy couch—the long-range wireless connection virtually eliminates delays, dropouts and interference.
  • newegg Only 1/3-inch thick With sleek lines and a thin profile, this stylish, streamlined keyboard adds style to your workspace—whether you’ve got a laptop or desktop.
  • newegg Hand Happiness Treat your hands right with keys that feel good and make every keystroke comfortable, fluid and whisper-quiet.
  • newegg Logitech Solar App Want to know how much battery power you have? Or how much power you’re getting from your desk lamp? The Logitech Solar App can help.
  • newegg Small steps, Bright future From the PVC-free construction to the fully recyclable box, this keyboard is designed to minimize its footprint.

Learn more about K750

Quick Info

Warranty

  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years


Customer Reviews of K750

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  • Nick J.
  • 2/27/2015 11:27:44 PM
  • Tech Level: High
  • Ownership: more than 1 year

4 out of 5 eggsGood, but not perfect

Pros: - Very slim and light compared to most other keyboards (i.e., very, very portable for a non-rollup keyboard)
- Very long times between battery replacements
- Keys aren't too heavy, but aren't really light, either
- Charges rather quickly, even in low-light conditions
- A quick press of the charge button indicates whether the environment is providing a sustainable charge (green for charging, red for discharging)
- Discharge light blinks red when the battery gets low, so that you don't all of a sudden lose functionality without a warning
- Feels sturdy, and is actually a tad bit heavy, despite its thin profile. I would still avoid dropping it, though.
- Never once had a signal dropout, even when the battery was nearly dead (<5% charge) and buried underneath the mess of cables and interference known as the back of my computer.

Cons: - The black finish on this keyboard means that any sort of dust or hair that happens to land on it is going to show up
- Scratches that occur are fairly noticeable

Other Thoughts: Unlike what has been said before, the battery IS replaceable. Though the battery is indeed hard to find (and it needs to be the exact same type, to boot), the battery tray can be opened with commonly available tools, such as a flathead screwdriver. You do NOT need to take the whole thing apart to change the battery. The battery is in a tiny tray underneath the surface, in between the Logitech logo and the left solar panel.

If you are having issues with the battery, it is probably because the power switch has been turned to "off". The keyboard doesn't charge when the power is off, but the power draw while not in use is ridiculously low, so low that it won't go dead for months from its first charge cycle (as advertised). The keyboard also has a timeout function that puts it in a sort of "sleep" mode that kicks in after a little standby time, which was presumably implemented to save the battery from heavy overcharge.

I was in fact able to consistently use this keyboard in a dark room for at least a month's worth of regular use. I'm not sure if it was actually three months, but it did indeed last for a decent amount of time with little light to charge with.

As a side note, I still have one of the second-generation models from just over three years ago (among the first batch of keyboards with blue function keys and gray bezel). I've seen this thing at 0%, 100%, and everything in between. What I've learned is that you just need to keep the power button switched to "ON", and make sure to use it under light every now and then to keep a decent charge. Only turn the power off if the keyboard is going to be in a dark place where keys are likely to be undesirably pressed, such as in an electronics box, or a tightly-stuffed backpack.

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  • Brennan T.
  • 2/20/2015 6:10:55 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsStill working great!

Pros: I've had this keyboard for almost 4 years and it still works great! The tactile feedback is nice, the chicklet layout works well, the solar panels still give plenty of charge.

Cons: The dust/dirt does seem to really like this keyboard. Being all black everything shows up. Not enough to knock an egg off though. Still keeps its charge at 100% even through the dust.

Other Thoughts: I would highly recommend it. I'm keeping it around until it croaks.

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  • Alec E.
  • 2/14/2015 9:54:07 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsFlawless Wirless

Pros: Solar powered: It never runs out of battery! I've never seen the batter drop below 99%... hasn't even gotten close to draining even in a dimly lit room. I work at night mostly and usually with almost no light other than my computer monitor.
Logitech Quality: aka I've never had a problem it works flawlessly consistently.

Cons: it's not ergonomic (just your standard keyboard shape we're all used to), and is susceptible to spillage (although I have not tested it)

Other Thoughts: This is the keyboard to rule all keyboards!

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  • Benjamin B.
  • 1/11/2015 10:35:00 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggs

Pros: solar

Cons: function key for shutdown

Other Thoughts: WHO THE HECK PUTS A FN KEY FOR PC SHUTDOWN RIGHT NEXT TO THE VOLUME FNKEY!!!! i bought this a while ago, maybe a year. I had to glue the F12 key in place so that i would not accidently power off the computer. Logitech you suck on this one.

0 out of 1 people found this review helpful. Did you? Yes No

  • Anonymous
  • 12/3/2014 10:42:38 AM
  • Tech Level: Average
  • Ownership: more than 1 year

3 out of 5 eggsGood Keyboard

Pros: Low Profile
Doesn't Need Batteries

Cons: Not particularly rugged
Needs quite a bit of light
Wimpy Battery

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  • kristina c.
  • 11/15/2014 10:24:57 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsLOVE IT

Pros: no batteries needed, ever. works well in low light (i mainly use at night with standard incandescent lights). good connection to the computer, no dropouts. off switch to keep it from draining when it's dark. it's slim, sleek and works without issue

Cons: the layout of the keys are a bit strange. it's not standard, so typing muscle memory keeps making me hit the "/" key or control when i'm trying to hit shift or enter. it's kinda annoying but i'll get used to it.

Other Thoughts: some people have mentioned the fact that it uses a battery that can't be replaced. i guess i'll cross that bridge when i come to it. overall, though, for the price, if this keyboard lasts me 2+ years i'll gladly buy a new one if/when this one wears out. best. keyboard. ever.

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  • david b.
  • 9/19/2014 4:52:10 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

1 out of 5 eggsDont even waste your time

Pros: Configuration of the mouse feels nice and IT works well.

Cons: I am sure this would work great if I lived on the sun, but I only live in a large house with a lot of windows and 1.5 ft from direct sunlight and still I find myself fighting to get close enough to the lamp or window just to get it to work. Not to mention its thin and cheaply built, if for any reason it ever slipped off your lap forget it, the 1 foot drop is enough to completely desecrate this weak excuse for a keyboard.

Other Thoughts: plenty of well made keyboards, this one is just a poor design

0 out of 1 people found this review helpful. Did you? Yes No

  • Carlos E.
  • 9/11/2014 8:28:13 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGreat Keyboard

Pros: Light, no cables or batteries needed. I like the feel of the keyboard when typing. Is easy. Helps keep desk uncluttered, and I can put it wherever I want, and always works perfectly.
I first thought solar panel would be a gimmick, but it has been running strong for over three years.

Cons: No backlight

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  • Bill C.
  • 6/21/2014 11:34:14 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGood Keyboard

Pros: Never needs batteries, works great, own 2 of these.

Cons: None so far

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  • John L.
  • 3/19/2014 12:00:16 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsOnly good for 3 years

Pros: Works well in low light. Other than the MAJOR battery issue detailed below, I really liked the keyboard.

Cons: WARNING: It has a 6032 (thin coin sized RECHARGABLE battery) that is not only difficult to find but is NOT user replaceable. After 2 years, 6 months the battery has failed and I must send in the keyboard for replacement. Look in the Logitech forums for further confirmation. The keyboard is fine, just the battery failed. This is the only Logitech product I've had an issue with.

1 out of 3 people found this review helpful. Did you? Yes No

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Item#: 9SIA0ZX2C29535
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