gear head 2.4 ghz wireless optical nano mouse purple black mp2425pur
optical sensing technology . 2.4 ghz wireless connectivity . automatic wireless synchronization . scalable dpi . built-in scroll wheel . storable nano receiver . pc amp mac compatibles . windows xp vista and 7 . mac os 10.3 and above . an available usb port . 2.4 ghz wireless optical nano mouse . nano receiver . 2 aaa batteries . user s manual . warranty information