Features: Wireless Microphone SystemIncluding 1 receivers & 2 microphone transmitters, supports dual microphone simultaneous recording, plug-and-play, no APP needed, very suitable for phone vlog, live streaming, interview, online chatting, etc. Omni-directional Condenser MicrophoneAdopts omni-directional condenser microphone, 360 surround sound pickup, better spatial sense; classic mini style design, with a backside clip, can be fixed to your collar easily. Long Distance and Clear Transmission20M effective transmission range helps you to realize long-distance recording; built-in intelligent de-noise module, which can effectively filter out the noise to improve sound quality. Long Battery Life SpanBoth receiver and transmitters has built-in rechargeable lithium battery, long battery life, and the receiver has a charging port, supports charging while using. With Wireless Charging CaseComes with a wireless charging case, just put the mic transmitters and receiver into it, than you can charge them anywhere anytime. The charging case supports 4-5 times charging after being fully charged. Mini and lightweight, easy to carry around. Specifications: Color: Black/ White(optional) Material: ABS Sound Delay: