Wireless Lavalier Microphone System(1 Receiver for 2 Microphone Transmitters) Additional Microphone for Wider Use: Support dual-microphone simultaneous recording Make-up Live (Duo) * Interview (Duo) * Short Video (Duo) * Mukbang Adopt omnidirectional condenser microphone, 360° surround sound pickup, better spatial sense Built-in intelligent denoise module can effectively filter out the noise, high fidelity sound quality Classic Mini black style clips in any position in the clothes 65ft Wireless Receiving No APP needed. Plug in the receiver on the phone to connect automatically Using wireless earbud type box design, easy to store, lightweight and portable There may be some cell phones such as can not use, please try to open OTG, such as OPPO and VIVO. The general way to open OTG: search OTG in the phone settings to open. Incompatible phone models: Samsung S8, S9, S20, Google