Color Black Brand HAVIT Model HV-MS691 Quantity 1 Piece Material ABS Shade Of Color Black Type Gaming Interface USB 2.0 Wireless or Wired Wired Chipset 168A Optical Type LED Resolution 2400DPI Max Acceleration 15G Polling Rate 125Hz Weight Cartridge 35G Button life 500 million times Bluetooth Version No Operating Range 152 cm Powered By USB Battery included or not No Supports System Win xpWin 2000Win 2008Win vistaWin7 32Win7 64Win8 32Win8 64Linux Other Features Image processing: 3.68 million pixels per second; Pursuit speed: 30 inches per second (ips) Packing List 1 x Mouse 4 x Pad