Color custom10000 Brand N/A Model R-3168 Quantity 1 Piece Material ABS Shade Of Color Black Type Ergonomic Interface USB 2.0 Wireless or Wired Wired Optical Type LED Resolution 1200DPI Bluetooth Version No Powered By USB Battery included or not No Supports System Win xpWin 2000Win 2008Win vistaWin7 32Win7 64MAC OS X Cable Length 135 cm Other Features Rated working voltage: 3V; Rated working current: 18mA; Fashionable design; Not easy to scratch; Anti-shock and the click time is up to 8 million; With anti-skid wheel you hands won't get fatigue easily; Suitable for game home and office use. Packing List 1 x Mouse (135cm-cable)