Plug-and-play noise reduction Unclouded Sound Numerous Applications More Practical: Streaming Live Interview Auto Pairing with Video Shooting and Vlog Recording Plug and Use: The receiver is plugged in, and wireless use is automatically established. Constant 20 meters away No-Cost Recording High-quality wireless microphone with a steady connection even at a distance of 20 meters Reduction of Noise Improved Sound Quality Integrated 80mAh battery for up to 10 hours of operation Ten-minute quick charge that lasts up to an hour Integrated chip to facilitate noise reduction, Strong anti-interference Picking with a Clear Sound Even in a noisy setting