This is the worst thing I've ever encountered. I throw it out. Pros: Highlighting the color of the keyboard layout. Good key travel. The USB transmitter is conveniently attached to the mouse with a magnet, which is interesting when used with a laptop computer. Its cons: The mouse is slow, not comfortable, heavy. Scrolling sometimes works, sometimes it doesn't - the main problem. Mouse buttons are not comfortable. Ergonomics of the keyboard is highly amateurish - unusual (lifting from the user's side, unlike other keyboards).
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