Features: Plug and Play: 2.4G wireless connection via USB receiver, just plug and play, enjoy long-range wireless control up to 10 meters. 6-Axis Sensors: 6-Axis sensors enables it to sense the change of the direction and speed, and move it directly in the air to control the devices. IR Learning: Support Infrared learning function, and only the Power button of this smart remote can learn the code from other remotes. Widely Used: Compatible with Android, Windows and Linux OS. Suitable for HTPC, Smart TV, Android TV Box, All-in-one PC, Projector and more. Voice Control: With built-in Microphone, it supports voice control function, more convenient to use. Just enable or disable Mic via Mic Switch. Note 1: Powered by two AAA battery (not included), please buy batteries yourself. Note 2: 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).