PLUG & PLAY AND AUTO PAIRING : Plug & Play Technology, No Bluetooth or WiFi is needed, item includes microphone and receiver(ISO port), just clip the microphone to your collar and plug the receiver on your devices, they will automatically connect. Just plug and play directly, Bluetooth is not required. can be used for YouTube/Facebook live broadcast, TikTok, Vlog, blog, podcast, Zoom, interview and Video recording. (NOTE: Enable OTG Function in Mobile Settings to make the Mic Work)