Wireless Microphone for iPhoneThe wireless lavalier microphone uses Plug and Play technology, it included 1 receiver and 2 transmitters, only need to plug the receiver into iPhone or iPad, power the wireless microphone on, then can start using wireless microphones, it can be used by 2 people at the same time. It can receives 70ft long distance transmission without delay. 24 Hours Long Working TimeOver 24 hours power of battery life with charging case. The wireless microphone for iphone built-in 100mAh Battery, it works over 7 hours, the charging case built-in 400mAh battery, it can charge 3-4 times for microphone, one charge up to 7 hours. Good Choice for Video RecordingThis cordless wireless microphone bulit-in smart chipset, which can reduce the noise automatically.There are 2 audio modes, the original mode, it recommends to use when recording Vlog, Youtube, online class, online meeting and interviw. The mix mode, it recommends to use for live streaming. Convenient for iPhone chargingSupport microphone recording and phone charging simultaneously when the phone is out of power while the lighting connector is on, we can directly charge the extra lighting interface to charge the phone. Friendly Customer ServiceThe wireless microphone has a Type-C port, it allows to connect a headset(Not included) to monitor audio status, it will save precious time when real-time recording. We offer one year warranty, COOXER team stand behind you! When you are shooting or recording video/audio, live, and have encountered these problems, our lapel microphone will be a better choice.