![]() ![]() Some mice are more power-efficient than others, and some come with integrated rechargeable batteries and a charger to stick the mouse into when not in use. ![]() ![]() As any wireless optical mouse user knows, batteries don’t last too long in mice - six months if you’re a lightweight, three months if you spend a lot of time on your computer. Most optical mice get their power through USB or PS/2 connectors, or through AA batteries. Maybe there weren’t “batteries,” per se, but it was rechargeable through some other means? Or did it contain some revolutionary new mouse technology, like harnessing the kinetic energy of mouse movements? Or something more esoteric, like powering the mouse with my own sense of self-satisfaction? Turns out it’s actually powered by RFID - and it ended up being a great mouse, especially considering the $20 pricetag. When I first saw the press release for the A4Tech “battery-free” wireless optical mouse, I figured there was some kind of marketing wizardry involved. ![]()
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