The ChengBeautiful Lavalier Microphone is a versatile and easy-to-use microphone that can be attached to your collar, tie, or bag for recording videos indoors and outdoors. It is ideal for YouTube recording, interviews, live broadcasts, webinars, courses, podcasts, and more. The microphone features an electret condenser transducer with an omni-directional polar pattern and a frequency range of 50Hz-18kHz. It has a sensitivity of -30dB±3dB and low frequency attenuation of 60Hz 10dB/Frequency doubling. The microphone has a built-in 3.7V/100mAh lithium battery that can be charged via a universal USB cable and provides 45-50 hours of usage time on a single charge. The microphone comes with a 3.5mm to 6.5mm audio adapter, storage pouch, and user manual in multiple languages. It is compatible with smartphones, DSLR cameras, camcorders, laptops, and more, making it suitable for various recording situations such as video conferences, Vlog shooting, online interviews, and more.