Wireless lavalier microphone: The transmitter can be hidden in your pocket or clipped to your belt. Clamp the microphone on your tie or clothing for better performanceHigh quality:Using UHF wireless transmission technology, stable transmission, long distance up to 40-50 meters. The wireless microphone also features powerful noise reduction and low interference for a stable, clear sound.Voice amplification: Wireless microphones can be widely used for voice amplification, especially for classroom teaching, conference presentations, tour guides, stage performances,Instrumental performance,etc. Need to be used with voice amplifiers, speaker systems, etc. Note: Not for low power speaker devices below 100W,NOT compatible with portable bluetooth speaker, smart phones and tablets.Easy to use: Simply plug the receiver into the MIC jack of the device, turn on the transmitter and receiver, wait a few seconds, and they will automatically connect.Rechargeable microphone: The dual -USB cable charges both the transmitter and receiver, which takes approximately 2-3 hours. With a full charge, a working time of more than 6 hours is possible.Colour:BlackMaterial:ABSPackage Contents:1 * Wireless Transmitter1 * Wireless Receiver1 * Dual charging USB cable2 * Adapter1 * ClipOnly 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.