This is a 2.4G wireless keyboard with touchpad, comes with a mini USB receiver, no need any installation, just plug and play, and its wireless operating distance is up to 10 meters. With this portable touchpad keyboard, you can enjoy effortless control of the smart TV/computer to search movies, surf the Internet and chat with your friends. Very easy and convenient to use. Features: Adopts 2.4G wireless technology, and its wireless operating distance is up to 10 meters. Ergonomic keyboard, providing comfortable typing experience and reducing your wrist fatigue due to long time using. High sensitive multi-functional touchpad, providing accurate cursor controlling. Comes with a mini USB receiver, no need any installation, just plug and play. Media hot keys design, enhancing your media experience. Low power function, and it just needs 2*AAA batteries(not included). Supports auto-sleep function, and you can press any key then it will be active. Ultra slim design, very portable and easy to carry, and you can put it in your backpack or bag. Enjoys effortless control of the smart TV/computer to search movies, surf the Internet and chat with your friends! Suitable for Android smart TV, computers, laptops, desktops, etc. Specifications: Transmission frequency: 2.4GHz Operating distance: up to 10 meters Battery: 2 AAA batteries(not included) Working voltage: 1.8-3.0V Keyboard working current: 2.5mA Touchpad working current: 4.0mA Standby current: 0.3-1.5mA Sleeping current: