Steelseries Kana. Device interface: USB, Movement detection technology: Optical, Purpose: Gaming. Power source: Cable. Mouse dimensions (WxDxH): 64 x 124 x 37 mm, Mouse weight: 72 g. Compatible operating systems: Windows 7/Vista/XP/2000 Mac OS X, Depth: 124.5 mm (4.9 "), Height: 38.1 mm (1.5 ")