Features: 1.2.4Ghz wireless connection, smart and portable size. 2. Build-in removable rechargeable li-ion battery that has longer standby time. 3. Multimedia remote control and touch pad functional handheld keyboard. 4. Touchpad dpi adjustable functions.? 5. Autosleep and auto wake mode. 6. Built-in intelligent power management software for power conservation. 7. Special keys for supporting google TV set top box.? 8. The ergonomically handheld design is easy to carry and operate.? 9. Comparable to the real notebook touch pad perfect for pc, pad, android TV box, google TV box, htpc/iptv, etc. 10. Plug and play: no need to install software. notes:? 1. Open the cover at the bottom of the keyboard, take the Nano USB receiver of the keyboard out and plug into the USB port of your computer. Then please turn on the on/off switch of your keyboard located on the right side and your computer will recognize your keyboard automatically. 2. After finishing using it, push the switch to the off position. Please plug the USB receiver out from your connecting devices and then insert back in the keyboard.? Specification: type: wireless keyboard with touchpad.? operation frequency: 2.4Ghz.? operating distance: 10m.? color: black/ white.? operating current: <50ma.? sleep current: <1ma.? battery model: li-ion battery(included).