Adesso WKB-3200UB. Device interface: RF Wireless, Keyboard layout: QWERTY. Movement resolution: 800 DPI. Frequency band: 2.4 GHz, Wireless range: 30.4 m. Keyboard dimensions (WxDxH): 425.4 x 150 x 31.7 mm, Keyboard weight: 0.725 kg. Certification: FCC, CE, ROHS