Features: 【Wireless Microphone System】Plug-and-play, no need any APP, just plug the receiver into your smartphone and turn on the microphone, then they will automatically connect, suitable for smartphone vlog, live streaming, interview, online chatting, etc. 【Long Distance Stable Transmission】Effective transmission range is up to 20M, easy to achieve long-distance recording; With built-in intelligent noise reduction chip to improve sound quality. Say goodbye to the 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 classic mini black style design, you can fix the mic to your collar easily via the backside clip. 【Wireless Charging Case for Microphone】The microphone has built-in rechargeable lithium battery, you can charge it via the Type-C interface; also comes with a wireless charging case that allows you to charge the microphone anytime anywhere. 【Mini Receiver】The mini receiver is compatible with iPhone smartphones. The receiver is powered by smartphone. If the phone is low power during usage, you can charge it directly through charging port in the 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)