Color Black Brand Measy Model RC8 Quantity 1 Piece Material ABS Plastic Type GamingErgonomicAir mouse & Keyboard Interface USB 2.0 Wireless or Wired 2.4G Wireless Bluetooth Version No Axis 3 Tracking Method Touch Pad Back-lit No Operation Distance 20 m Multi-media Key 79 Powered By AAA Battery Battery included or not No Battery Capacity 800 mAh Power Consumption 2W Waterproof No Supports System Win xpWin 2000Win vistaWin7 32Win7 64Win8 32Win8 64MAC OS XIOSLinuxAndroid 2.xAndroid 4.x Packing List 1 x keyboard(3 x AAA not included) 1 x English user manual