Features: 【Wireless Microphone System】Plug-and-play no need any APP just plug receiver into your smartphone and turn on microphone then they will automatically connect suitable for smartphone vlog live streaming interview online chatting etc. 【Long Distance Stable Transmission】Effective transmission is up to 20M easy to achieve long-distance recording; With built-in intelligent noise reduction chip to improve sound quality. Say goodbye to messy cables and poor noise cancellation. 【360°Surround Sound Pickup】Highly sensitive microphone can achieve 360° omni-directional sound pickup and record every sound detail clearly. Adopting black style design you can fix mic to your collar easily via backside clip. 【Wireless Charging Case for Microphone】 microphone has built-in rechargeable battery you can charge it via Type-C interface; also comes with a wireless charging case that allows you to charge microphone anytime anywhere. 【 Type-C Receiver】 type-C receiver is compatible with Android smartphones. receiver is powered by smartphone. If phone is low during usage you can charge it directly through Type-C port in receiver. Specifications: Color: Black Material: ABS Microphone Battery: 80mAh Charging Case Battery: 300mAh Input Voltage: 5V Signal to Noise Ratio: 64dbm Delay Time: 30ms Sensitivity: -42db Frequency Response: 20-20Khz Transmission Distance: 20M/60ft Receiver Size: 4.5 * 2.5 * 0.6cm/ 1.8 * 1 * 0.2in Microphone Size: 7 * 1.6 * 2cm/ 2.8 * 0.6 * 0.8in Packing List: 1 * Receiver 2 * Clip-on Microphones 1 * Charging Case 1 * Charging Cable 1 * User Manual(English)