HP Wireless Classic Desktop. Device interface: RF Wireless, Purpose: PC/server, Keyboard form factor: Standard. Movement detection technology: Optical, Scroll type: Wheel. Frequency band: 2.4 GHz, Wireless range: 10 m. Wireless receiver interface: USB, Receiver type: nano. Keyboard dimensions (WxDxH): 465 x 174.4 x 36.3 mm, Keyboard weight: 0.52 kg, Mouse dimensions (WxDxH): 95.2 x 58.9 x 35.5 mm