Features: Rare earth material speaker, 8W high-power audio output, advanced DSP chip of effective feedback rejecting, ensure excellent, loud sound. One button to switch between speech mode and singing mode, easy operation; volume adjustment, convenient to control volume level as different venue. It can BT wireless connect to smart devices, without troublesome cable, for playing favourite music as accompaniment, very convenient. Built-in high capacity lithium battery, supports long service time, about 8h of use, ultra-long standby, auto-off after no signal input for 15mins, energy-saving. This microphone has light weight, compact size, comfortable holding, suitable for singing, teaching, speech, training, company meeting, etc.