LENOVO Essential Wired KB&Mouse Estonia 80008028 4X30L79928 Product Description: Lenovo Essential Wired Combo - keyboard and mouse set Input Device Device Type: Keyboard and mouse set Interface: USB Connectivity Technology: Wired Hot Keys Function: Multimedia, mute, play/pause, forward, volume -, volume +, Caps Lock Protection: Waterproof Pointing Device: Mouse - wired - optical Manufacturer Warranty: 1-year warranty