Color Black Brand JIANSHENGYIZU Model K8-HEISE Quantity 1 Piece Material ABS Shade Of Color Black Type GamingErgonomic Interface USB 2.0 Wireless or Wired 2.4G Wireless Optical Type LED Resolution 800-1200-1600-2400dpi Max Acceleration 20G Polling Rate 125 Weight Cartridge 8 Million times Operating Range 10 m Powered By AAA Battery Battery included or not Yes Battery Number 2 Supports System Win xpWin 2000Win 2008Win vistaWin7 32Win7 64MAC OS XLinux Other Features 2.4GHz wireless technology; Ergonomic design; Stylish gaming wireless mouse Packing List 1 x Wireless gaming mouse 2 x AAA batteries 1 x USB receiver