Excellent Noise CancellationThe wireless lavalier microphone is equipped with two windproof covers and four replacement sponge heads. The microphone features built-in noise reduction tools that remove low-frequency noise while preserving high-frequency voices for a clear recording effect. Stable TransmissionThe microphone for iPhone offers stable transmission within 20 meters (65 feet) under unobstructed conditions. It is suitable for various scenarios such as live streaming of games, video recording, and online meetings. 7-Hour Long Battery LifeThe wireless microphone for iPhone offers up to 7 hours of operation after a full charge. The receiver has a charging port that allows it to be charged simultaneously while in use, making it ideal for outdoor interviews, video podcasts, and vlogs without worrying about battery life. Product CompatibilityThe wireless lavalier microphone is only compatible with iPhone/iPad and requires iOS 12 or later. If one of the microphones runs out of battery, you can replace it with the other while it's charging. One-Click Automatic PairingPlug the receiver into your phone and turn on the microphone for automatic pairing. (Note: If pairing fails, don't worry, just turn off the device and try again.)