
I've tried this keyboard with 3 different versions of Android (two tablets and 1 pixel 3xl), Raspberry Pi, Windows 10 desktop and iPhone 7 With bluetooth off it seemed like it would connect to several at the same time . The keycaps are about the size of a non-portable keyboard and seemed to work and feel nice. There are additional functions for different operating systems (Android home button, spyglass button that allows you to quickly switch to Gmail or browser, etc.), screen control, volume control). It is relatively light and easily fits in a backpack. Has a non-adjustable raised back that offers a decent typing angle. A little surprised by the actual requirement for a AAA battery with no built in USB charging, but not a deal breaker. The manual was very general for the entire keyboard line and didn't explain the specifics of this keyboard. All in all, the extras add a nice touch, but one of them was terrible on Windows - the LOCK/DEL key - on Android or iPhone it locked the screen, but on Windows 10 it caused an instant shutdown. It annoyed me because I accidentally touched it. While users are unlikely to use this with a desktop or laptop unless their keyboard has failed, be aware. On Android, by default, the virtual keyboard is not shown when a keyboard is connected, but you can change this in the Android keyboard settings dialog notification. I think it's definitely worth the price, but I wish there was a better manual or link to an online description just for this device.

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