KeySonic ACK-340 U+. Device interface: USB, Keyboard layout: AZERTY. Cable length: 1.9 m. Keyboard dimensions (WxDxH): 218 x 150 x 21 mm, Keyboard weight: 320 g. Operating temperature range (T-T): 0 - 50 °C, Storage temperature range (T-T): -20 - 65 °C, Operating relative humidity range: 10 - 85 %. Package dimensions (WxDxH): 242 x 192 x 31 mm, Package weight: 440 g