1. 30 milliseconds ultra-low latency, 20 meters barrier-free reception, can be used for outdoor live broadcast and small videos. 2. No APP required, plug and play, one-click connection, easy to wear. 3. Intelligent noise reduction, 5-6 hours of ultra-long battery life, easily cope with noisy environments, worry-free , meet your needs for the day. 4. 360 omnidirectional sound pickup, record every detail of the sound. 5. Small and convenient, compatible with devices, support mobile phones, tablets, cameras, laptops, etc. Charging port:A: for interface Transmission distance: 8 meters obstacle, 20 meters barrier-free Colour:White Material:plastic Package Contents: 2 x rechargeable wireless microphones 1 x receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.