This 2.4GHz wireless remote controller is specially designed for easily controlling Smart TV, Android TV Box, PC and more devices. Plug and play, simple and convenient. It will bring you much convenience. Voice Control: Press the voice button on the remote control to search for the channel you want to see, easy and convenient to use. Ergonomic Design: Arc design at the back of the wireless remote control, perfectly fits your palm, providing comfortable handheld experience. Convenient to Use: 17 keys wireless remote control, easy to control volume, page up / down, Mouse left / right, etc. Just sit back on your couch and enjoy. Wide Application Range: Suitable for Smart TV, Android TV Box, All-in-one PC, Laptop, Projector and so on. Note: 1. Voice control function can only be used on the TV BOX with Google Voice Assistant. 2. The AAA batteries are not included, you need to buy two by yourself. 3. For Smart TV or Smart Projector users, before purchasing, please make sure that your TV or Projector can be connected to a mouse and use normally (can test using a mouse). Specifications: Material: Plastic Frequency range: 2.403GHz-2.480GHz Key numbers: 13 Operating distance: Up to 10 meters / 30ft Battery: 2 * AAA (not included) Color: Black Main Item Size: approx. 14.4 * 4.5 * 2.4cm / 5.66 * 1.77 * 0.94in Main Item Weight: approx. 48g / 1.69oz Package Size: approx. 14.7 * 4.7 * 3.0cm / 5.78 * 1.85 * 1.18in Package Weight: approx. 61g / 2.15oz Packing List: 1 * Wireless Remote Control 1 * USB Receiver 1 * User Manual (English & Chinese)