نظرة عامةPlug and play, no APP and Bluetooth required, easy to use. No delay in transmission, clear sound reception. The hands-free compact size helps it clip easily to your shirt, tie or bag. Car clear sound in real time. yncs.bbbbprovides full-range professional sound in 20kHz stereo CD quality. 20m/65ft anti-interference and long range. Versatility and wide compatibility. Built-in 90mAh battery, one charge can work continuously for about 6 hours and it can also be your mobile device. Note: Do not press the microphone button during the recording process, otherwise the recording will stop!