2.4 ghz wireless optical nano mouse purple usb
optical 2.4 ghz wireless nano mouse model mp2475pur . features optical sensing technology 2.4 ghz wireless connectivity automatic wireless synchronization scalable dpi built-in scroll wheel and stowable nano receiver . package contents optical 2.4 ghz wireless nano mouse nano receiver 2 aaa batteries user s manual and warranty information . system requirements pc and mac compatibles windows 2000 xp vista and 7 mac os 10.3 and above . an available usb port