Features:1. 9 ms ultra-low latency,20 m barrier-free reception,it can use outdoor live broadcast and take a small video.2. It doesn't need APP,plug-and-play,one-click connection,easy to wear.3. 360 full pointing pick up,record every detail of the sound.4. Small and convenient,it compatible with various devices,support mobile phone, tablet, camera, notebook,etcPackage included:1 or 2 x Rechargeable Wireless Microphone1 x Receiver1 x Manual1 x USB cable