Plug And Play Microphone: No need to pair. ◆Only for input devices with 6.35mm (1/4′′) or 3.5mm (1/8′′) MIC interface, E.g speaker, Singing machine, audio amplifier, PA system, Voice amplifier, truck speaker system, Dome speaker system etc.◆Rechargeable Bluetooth receiver, which can be connected to a smartphone to karaoke on the speaker. Or as a Bluetooth receiver to play music on old speakers.◆Turn on the receiver, search for the Bluetooth name: Bietrun, and Play your music for karaoke.
Multipurpose Microphone: Built-in moving-coil Cardioid microphone, widely applied to conferences, speeches, Web podcasts, Yoga instructors, church, get-togethers, Family parties, Opening Ceremonies, dancing instructors, promotions,s, etc. ◆If you use multiple microphones simultaneously