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 an app, plug-and-play, one-click connection, easy to wear. 3. Intelligent noise reduction, long battery life of 10 hours, easy to cope with all kinds of noisy environments, worry-free shooting, meet your needs for a day. 4. 360 full pick up, record every detail of the sound. 5. Small and convenient, it is compatible with various devices, supports mobile phone, tablet, laptop, etc Specifications: Frequency: 2.4GHz Input voltage: DC4.8-5.4V Charging port: Type-C Battery capacity: 80mAh Transmission Distance: 8m with obstacles, 20m obstacle-free Microphone size: 62*23*28mm Microphone weight: 7g Receiver size: 45*27 * 7mm Receiver weight: 4g Package includes: 2x Rechargeable Wireless Microphone 1x Receiver 1x English Manual 1x USB cable