KeySonic ACK-118 BK. Device interface: USB, Keyboard layout: QWERTY. Cable length: 0.7 m. Keyboard dimensions (WxDxH): 92 x 132 x 9.8 mm, Keyboard weight: 76 g. Operating temperature range (T-T): 0 - 60 °C, Storage temperature range (T-T): -20 - 80 °C, Operating relative humidity range: 10 - 100 %. Package dimensions (WxDxH): 112 x 213 x 16 mm, Package weight: 0.1 kg