The Lavalier Microphone is diffent from others, which includes transmitter and receriver, they will atutomatically connect, so APP and Bluetooth are not required. Just plug the transmitter into the devices (USB C port) and play it directly<br />Clip on microphone built-in 80MA battery, the Mobile Phone microphone can record continuously for up to 10 hours, no external battery is needed, comes with a TYPE-C charging port<br />Recording microphone built-in noise reduction chip, provide professional full frequency audio 48KHz stereo CD quality, strong anti-interference ability, effective recognition of the original sound, in noisy environment can still record the details of each sound<br />Built-in omnidirectional microphone, wireless microphone system stable signal and quick response, get rid of the trouble of frequent rerecording, designed for Youtube/Facebook Live, TikTok creators, Vlogger, Blogger, Podcasters, interviewers and other video recording enthusiasts ">