Genius Slimstar 8010. Device interface: RF Wireless, Keyboard form factor: Standard, Keyboard style: Straight. Movement resolution: 1200 DPI, Movement detection technology: Optical. Frequency band: 2.4 GHz, Wireless range: 10 m. Wireless receiver interface: USB. Keyboard dimensions (WxDxH): 434.1 x 188.4 x 24.9 mm