KBS-WCH-04 Wireless desktop set, black, US-layout PRECISION AT YOUR FINGERTIPS Reliable 2.4 GHz wireless connection Comfortable silent typing experience Long battery lifetime 2.4 GHz wireless full size keyboard and mouse Standard size keyboard with low-profile keys 4-button wireless optical mouse Single USB nano-receiver for both keyboard and mouse Battery lifetime of 100 working hours for the mouse and 250 working hours for the keyboardBatteries: 2 x AA battery (not included)DescriptionKBS-WCH-04 Wireless desktop set, black, US-layout PRECISION AT YOUR FINGERTIPS Reliable 2.4 GHz wireless connection Comfortable silent typing experience Long battery lifetime 2.4 GHz wireless full size keyboard and mouse Standard size keyboard with low-profile keys 4-button wireless optical mouse Single USB nano-receiver for both keyboard and mouse Battery lifetime of 100 working hours for the mouse and 250 working hours for the keyboardBatteries: 2 x AA battery (not included)Vendor Homepagegembird.com/item.aspx?id=13020Category CodeKEYCnCode84716060Unit Box Height0.04Unit Box Length0.52Unit Box Width0.13Radio Frequence2,4 GHzModelKBS-WCH-04Keyboard featuresKeyboard & MouseKB languageENGMouse includedYesWireless range10 mBatteryNot includedDimensions450 x 140 x 26 mmUnits per Shipping Box20Unit Calculated Volume0.003172 cubmProduct Net Weight0.441 kgUnit Calculated Weight0.607 kg