Omnidirectional Sound & Noise Cancellation:The omnidirectional dual wireless lavalier microphone is built with professional-grade intelligent noise reduction chips, providing effective identification of the original sound and clear recordingin noisy environment. lapel microphone, its built with a sponge windscreen to reduce wind noise and plosives, AI algorithm intelligent noise reduction module can accurately filter all kinds of noise and has strong anti-interference ability. Plug & Play:The dual wireless microphones is much easier to set. Iphone microphone, no adapter, bluetooth or application needed. Recording microphone, just plug the receiver into your devices (Lighting Port), then turn on the portable mic, thesetwo parts will pair automatically. (Note: If the match is not successful, don't worry, just shut down the device and try again) Rechargeable Transmitter and Receiver:The wireless lavalier microphone is built in 65MAH rechargeable batteries up to 5 hours. The reciever is powered by your device(Can Be Charged At The Same Time). Dual Wireless lavalier Microphones:The Upgraded dual wireless lavalier microphones compatible with IOS smartphones, iPad, etc, the handheld mic is suitable for interviewing, online conferencing, podcasting, vlogging, live streaming.