Color Green + White Brand R.horse Model RH-9350 Quantity 1 Set Material ABS Type Gaming Interface USB 2.0 Wireless or Wired 2.4G Wireless Tracking Method OthersOptical mouse Back-lit No Operation Distance 10 m Powered By AAA Battery Battery included or not Yes Battery Number 2 x AAA batteries (included / Keyboard and mouse) Waterproof No Supports System Win xpWin 2000Win vistaWin7 32Win7 64Win8 32Win8 64 Other Features Mouse resolution: 800/1600/2400/3600dpi; Keyboard keys number: 105 Packing List 1 x Keyboard 1 x Mouse 4 x AAA batteries 1 x USB receiver