The wireless lavalier microphone system adopts 2.4G wireless signal transmission, low noise, low delay, and maintains a stable and effective transmission distance of 40 feet. The transmitter and receiver have built-in rechargeable batteries that support 6-8 hours of operation when fully charged. accusation. Comes with 2 USB charging cables, you can charge the transmitter and receiver at the same time. The metal mini clip easily attaches the mic and transmitter to the neck, tie or pocket. The compact and lightweight design ensures that you hardly notice the presence of the microphone and transmitter. With a TRRS 3.5mm adapter, the receiver can be connected to smartphones, PCs, laptops, tablets, cameras and 3.5mm speakers. MM interface for recording videos or conversations outdoors. It is suitable for a wide range of applications such as video recording, live broadcast, online chat, singing, speech, lecture, classroom teaching, tour guide, etc. Includes a bag for easy storage and transport.