This clip-on mic is easy to use, Automatic Pairing, Automatically Connect When Plugged into the Receiver, No Adapter, Additional APP, or Bluetooth Needed. The red light on receiving flashes; press the switch key of the mic, the indicator light turns green, then power is turned on; The red indicator light of the receiver and the green indicator light of the microphone always keeps on, then you can use the microphone to receive sound by opening phone camera, live App or other Apps. Long-distance transmission and long working hours? High-Performance Wireless Microphone, Signal stability. The lavalier microphone is built in 75MAH Rechargeable Batteries for Up to 10 hours of Operation Time. 20M/65FT Working Distance without obstacle. Intelligent Noise Reduction within Decoding Chip? The microphone for iPhone is a built-in Noise Reduction Chip, Strong Anti-interference Ability, Effectively Recognizes Sound, and the lapel microphone can still Record Clearly in a Noisy 360° Omnidirectional Sound Reception? Real-time Crystal Voice Syncs without any delay, High-Density Spray-proof Sponge, High-sensitivity Microphone, 360° Omnidirectional Sound Reception, Fast Working, Radio Well Regardless of Surrounded Environment, Recording Every Detail. The Bluetooth microphone is suitable for broadcast video, recording, Youtube, Facebook live broadcasts, podcasts, vlogs, Tik Tok, Twitch, etc.