The Logitech K750 is a wireless keyboard with a slim design that operates on solar power.
Solar Charging
It charges itself whenever there is light, and remains charged for at least three months in complete darkness, so you can say goodbye to batteries. The K750 for Mac is built to the same high-quality and reliability standards that have made Logitech a global leader for mice and keyboards.
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User: 8 hours of daily use as a graphic designer (I don't type all the time, though)
Positives:
1. Wireless solar... INVALUABLE VALUE!! Since I opened it 2 years ago and never bothered again with whether it charged, how much it charged, if I ran out of battery and had to connect it. You forget about the charging issue once and for all.
2. The battery charges with artificial lighting as well. Sunlight is not necessary at all.
3. After two years of professional use, nothing has broken.
4. Quite a compact & slim device.
5. It doesn't move at all, either during typing or from accidental hits (sturdy construction and good silicone pads).
Negatives:
1. I wanted even better quality in the keys, to have a better feel due to the price of the product.
2. It lost communication several times during typing, especially when I started typing. The problem is solved if it has a close distance to the USB stick. When I had it placed in the back port of the computer, I also had the problems. So, I recommend placing the USB either on the screen (if possible) or in the front port of the computer. No issues for laptops.
The keyboard worked well for about a year, then some keys stopped working. Eventually, no keys were working at all. I returned it and they replaced it under warranty.
The second keyboard worked well for about 8 months, then it started losing connection regularly, almost every day. It wouldn't respond at all, as if it had no battery. But the battery was fully charged. Logitech support responded to my inquiry with the usual suggestions: reinstalling software, restarting the computer, etc.
When it works, it's the best keyboard I've ever used, but unfortunately, it doesn't work. In the end, I got used to having the keyboard in front of me and a backup behind me to use when it stops working. The attached photo shows the keyboard and the backup behind it.
One of the best keyboard purchases I made, rechargeable + it even charges under light. The only downside is that it suddenly stopped connecting to my PC
I highly recommend it to anyone looking for a wireless slim keyboard. It saves you from the battery anxiety with its solar panel, which has very efficient charging, and the battery has great endurance. During sunny periods, the battery level never drops below 100%, and even in winter with a lot of clouds, it doesn't go below 80%.
The utility it has, with information about charging and battery level, is very useful.
A very good purchase, I believe it's worth the money.
Of course, don't choose it if the space of your computer is dark because artificial lighting may not be sufficient.