2.4G Wireless Headset Microphone Transmitter and Receiver, 40 m Range

2.4G technology, and the distance can be up to 40m without directional restriction. Omni-directional and sensitive voice receiving, minimizes the harmonic distortion and keeps your voice all the while. Professional ID code encryption technology, each product has a separate ID code, multiple devices can be used simultaneously at the same place without disturbing. With 3.5mm connector, just plug and play, it will automatically match devices while power on. Wide Compatibility, fit well with most audio devices, like video player, loud speaker, power amplifier, sound console and so on.