The wireless lavalier microphone transmitters come with built in 95mAh rechargeable batteries. While using the lav mic, you can charge your phone  port on receiver simultaneously. 

No Adapter/Addtional APP/ Bluetooth needed, just 2 steps to connect. Step 1: Unlock your phone, and plug the receiver into your devices; Step 2: Automatically paired, you are ready to recording when indicators are blue. 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 relaxed and enjoyable!.

This cordless clip-on microphone is built with professional-grade intelligent noise reduction chips, providing effective identification of the original sound and clear recording in noisy environment..

The BOYA wireless clip-on microphone comes with a MFi Lighting connector, 2 built-in microphone transmitters, a charging case and a charging Cables. Designed for iPhone iPad IOS Lightning devices, suitable for interviewing, online conferencing,.

The NEW BOYA BY-WM3T condenser wireless microphone is with 164 feet stable audio signal transmission. The reciever is powered by your device(Can Be Charged At The Same Time), the transmitter built in rechargeable batteries works up to 10 hours..