1. Suitable for smart set-top boxes, TVs, projectors, computers and other smart devices 2. Made of high-quality ABS material 3. Powered by 2 AAA batteries (not included) 4. 2.4G wireless voice version (plug and play, no driver required) 5. 2.4G+Bluetooth voice wireless dual-mode version (2.4G and Bluetooth can be switched at will) 6. The Bluetooth function needs to be successfully paired with the connected device Bluetooth, and the device will automatically connect the second time it is turned on 7. Replace your old or broken remote control 8. Ergonomic design, comfortable to use, simple and convenient 9. Size: 162x36.2x13.2mm 10. Weight: about 80 grams