Adesso Black Wireless TouchPad Keyboard: * 2.4 GHz wireless radio frequency technology allows users to work freely with no space constraints * 6500 IDs on 12 channels, offering 30" of wireless freedom in any angle * Integrated touchpad eliminates need for a mouse and saves valuable desk space * Glidepoint Touchpad puts computer control at users fingertips * Keyboard goes to sleep mode after 5 minutes * On/Off switch allows users to switch power off while away from their desk, saving battery life for extended use * Quick Connect button enables users to synchronize their PC with the click of a button * When the batteries are in low power state, the green LED indicator will light up on the upper right hand corner of your keyboard * Low profile membrane key switch features more than a 5 million lifecycle * Designed with a silicone rubber material reducing noise while typing