Features 1.Backlight 2.4G wireless keyboard, larger flat touch pad, unique left and right mouse keys design, support multi-finger touch, easy to operate. 2.Adjustable speed of mouse, two speed to adjust. 3.Support both dry battery and lithium battery. You can choose battery freely, never power off. 4.Palm-sized game keyboard, independent left and right keys, easy to use. 5.Innovative full-screen scrolling function, perfect using experience. Specification Description: Smart wireless keyboard touch pad, the collection of keyboard and mouse full functions, which can connect desktop, notebook, car TV, HTPC, large screen TV, smart TV, hard disk player, network player, for X-BOX, etc. Features: 1. Backlight 2.4G wireless keyboard, larger flat touch pad, unique left and right mouse keys design, support multi-finger touch, easy to operate. 2. Adjustable speed of mouse, two speed to adjust. 3. Support both dry battery and lithium battery. You can choose battery freely, never power off. 4. Palm-sized game keyboard, independent left and right keys, easy to use. 5. Innovative full-screen scrolling function, perfect using experience. 6. It can connect desktop, notebook, car TV, HTPC, large screen TV, smart TV, hard disk player, network player, for X-BOX, etc. 7. Intelligent compatibility with for Windows/Andriod/Aliyun OS/iOS/Mac OS/Linux and other mainstream operating systems. Specification: Material: ABS Operating Range: Up to ten meters Transmit Power: +4db Max Battery Type: 2 x AAA batteries (NOT included) Working Current: <10mA Charging Current: <300mA Sleeping Current: <1mA Size: Approx. 14.8 x 9 x 1.7cm/5.8 x 3.5 x 0.7in Package List: 1 x Wireless Button Keyboard (battery is NOT included) 1 x Receiver 1 x User Manual Package List