Plug And Play Noise Reduction Clear Sound Various Uses More Convenient: Video Shooting Vlog Recording Live to Stream Live Interview Auto Pairing Plug & Use Plugin the receiver and then automatically Connect Wireless use Stable 20M Away Free Recording High-Performance Wireless microphone, the Stable Connection even 20 meters away Noise Reduction Clearer Sound Built-in 80mAh battery up to 10 hours of use Fast charge for 10 minutes up to 1 hours use Built-in Chip to enable noise reduction, Strong Anti-interference Clear Sound Picking Even in a noisy environment