Portable Fm Wireless Microphone Headset with Lapel Clip

100% Brand New and High Quality.With its own volume adjustment function,you can talk freely.30m wireless voice amplification,get rid of bulky,wireless and easy.Lightweight and comfortable,allowing you to be more free to teach or guide.The wearing method keeps the host away from the brain and effectively avoids electromagnetic waves from harming the brain.Compact design,that's portable,you can clip the FM wireless transmitter to your trouser pocket,pocket and other convenient places.Colour:Black Material:plastic + metalSize:59.6 * 43.3 * 18mmTransmitter output power:16mWFrequency response range:20H-20KHzTransmission frequency:87.5MHz-108MHzEquivalent noise:greater than or equal to 35dBInterface size(approx.):3.5mm microphone interfacePower supply mode:built-in 3.7V/300MAH lithium batteryPackage Contents:1 * FM Transmitter1 * Headset Microphone1 * Lapel Microphone1 * USB Charging CableOnly the above package content, other products are not included.Note: Light shooting 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.