Color Green + White Brand CHEERLINK Model HK3960 Quantity 1 Piece Material ABS Type ErgonomicAir mouse & Keyboard Interface USB 3.0 Wireless or Wired 2.4G Wireless Bluetooth Version No Back-lit Yes Operation Distance 10 m Powered By AAA Battery Battery included or not Yes Battery Number 4 Waterproof No Supports System Win xpWin vistaWin7 32 Other Features Mouse: powered by 2 x AAA batteries (not included); with USB receiver; Keyboard powered by 2 x AAA batteries (not included). Certification FCC / CE / RoHS Packing List 1 x Keyboard 1 x Mouse 1 x USB receiver