Phoenix Technologies PHKEYWIRELESS. Device interface: RF Wireless, Keyboard form factor: Standard, Keyboard style: Straight. Movement resolution: 1000 DPI, Movement detection technology: Optical. Frequency band: 2.4 GHz. Wireless receiver interface: USB, Receiver type: nano. Keyboard dimensions (WxDxH): 442 x 160 x 20.3 mm, Keyboard weight: 520 g, Mouse dimensions (WxDxH): 117.8 x 67.4 x 40.9 mm