2.4G wireless two-way transmission lavalier microphone, using wireless recording microphone system, multi-functional, can record straight or short video, realize bilateral sound transmission and synchronous monitoring.-output otg digital transmission, plug and play. Using digital recording technology, it can achieve left and right -channel sound, creating lossless high-definition, stereo sound quality, and more outstanding on-site performance.100m wireless transmission can transmit an effective wireless distance of 100m. Colleagues use 2.4G two-way transmission signal to stabilize and continuously frequency, so that the performance of the scene is more free.Built-in high-capacity polymer battery, strong storage capacity, can be fully charged in 1.5 hours, and lasts for 12 hours, escorting your recording.One-key noise reduction gain, switch freely. When supporting microphone recording, one-key noise reduction adjustment can be performed according to your own environmental needs, thereby improving audio quality.Small size, easy to carry. The product weighs only 26g, and can be clipped on a shirt or jacket, making wireless radio more convenient.Wide range of applications, suitable for -film , video recording, broadcast, interviews and vlogs, etc.Colour:blackMaterial:ABSPackage Contents:1 x transmitter1 x receiver1 x charging cable2 x linking cable1 x anti-spray hair ballOnly the above package content, other products are not included.Note: Light reflection 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.