General Specs Brand deiog Model DY-4905 Type 2.4GHz wired mouse Color Red Buttons 3 Maximum DPI 1200 Length 0.8 m Compatibility Laptops and desktop PCs System Required Win2000, XP, Vista, Win7, Macosx, Linux Package Details Weight: 96.30 g Size: 22 x 13 xProductIinInchesH