1. Plug & Play and Hands-Free: No Adapter/Addtional APP/ Bluetooth needed, just 2 steps to connect. Step 1: Plug the receiver into your devices; Step 2: Power on the microphones. Say goodbye to messy cables, and the wireless lapel lavalier microphones can be clipped on the collar to free your hands for audio video recording, make your live streaming more relaxed and enjoyable 2. Only Compatible with iOS 13~15.2: Our wireless lavalier microphone can work for iPhone 7/ 7 Plus, 8/8 Plus, X/XR/XS/XS Max, 11/11 Pro/11 Pro Max, 12/12 Pro, and iPad 2/3/4, iPad Air series, iPad Pro series (NOTE: the latest version of 11 inch and 12.9 inch iPad Pro with type-C port not supported). 3. Superior Noise Reduction & Real-time Auto-sync: This omnidirectional wireless lavalier microphone is built with professional-grade intelligent noise reduction chips, providing effective identification of the original sound and clear recording in noisy environment. The real-time auto-sync technology extremely reduce the time of video post-editing, supporting a better experience in videos being watched. 4. Long Distance Transmission & Long Battery Life: Upgraded wireless microphone transmission technology, 65 feet stable audio signal transmission without cable and harsh noises. The reciever is powered by your device(can be charged at the same time), the transmitter built in rechargeable batteries works up to 4-6 hours. 5. Warm Tips: Please read the user manual and charge the wireless lavalier microphone before using it for the first time. This product is for live, video or audio recording only, but cannot be used for call or FaceTime.You need to take off the receiver to be able to hear the audio playback.