The wireless lavalier microphone system adopts 24G wireless signal transmission, low noise and low latency, supports stable and effective 40ft transmission range.The transmitter and receiver have built-in rechargeable batteries and support 6-8 hours of operation after full charge. Comes with 2 USB charging cables, you can charge the transmitter and receiver simultaneously.Metal mini clips allow you to attach the microphone and transmitter to your neck, tie or pocket easily. The small size and lightweight design ensures that you hardly notice that the microphone and transmitter are there.Comes with 35mm TRRS , the receiver can be connected to smartphone, PC, laptop, , camera and speaker with 35mm interface for video recording or talking outdoors.Wide applications, suitable for video recording, live streaming, online chat, singing, speaking, lecturing, classroom teaching, tour guides, etc. Includes a bag for convenient storage and transport.Specifications: supply: Built-in lithium batteryCharging voltage: 5V DCcolour: blackMaterial: plasticsize: 585x29mmPackage Contents:1 x V3 Wireless Microphone SystemOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.