Product Description Material: ABS Size: 15.8cm*5.5cm*1.65cm Modulation frequency: 2.4~2.4835GHz Working temperature: -20~65 Battery type: 300mAh / 3.7V lithium battery Whole machine power consumption: <15 mA Standby power consumption: 25 uA Number of keys: 57 keys Interface: USB Operating distance: 10 (m) Color: black Quantity: 1 piece Package content: 1*mouse remote control (with battery), 1*charging cable, 1*USB receiver, 1*instructions 1. Wide Compatibility: Support for Windows / Android / Mac OS / Linux system, suitable for devices with USB port, such as Smart TV (except for Sony, Samsung, LG), Android TV Box, Windows TV Box, PC, HTPC, Formuler Box, etc. 2. 4 in 1: Packs a wireless keyboard, remote control, wireless mouse and IR learning function in one. Designed with 11 infrared learning buttons, power, channel, volume, homepage, OK, menu and back, etc., to learn the basic functions of the original remote control. Easy to program and better key layout and response 3. Wide range of applications: easy to use, not only for remoting TV, home computers, but also for presentations and workshops. 4. 2.4G wireless technology: enables the remote control distance up to 10 meters and enables the cursor to be operated in any direction. Just move your wrist, the mouse pointer can follow the movement, easy to use. 5. Ergonomic design: based on people's feeling of being easy to control and type.