Perixx PERIBOARD-704 Laser. Device interface: RF Wireless, Purpose: PC, Recommended usage: Office. Frequency band: 2.4 GHz, Wireless range: 10 m. Wireless receiver interface: USB. Keyboard dimensions (WxDxH): 178 x 326 x 30 mm. Windows operating systems supported: Windows 2000, Windows 7 Home Premium, Windows ME, Windows Vista Home Premium, Windows XP Home