This plug-and-play microphone is the perfect partner for mobile recording video, live streaming. No need for Bluetooth and APP to work with, just plug the receiver into your phone, power on the transmitter microphone, and connect to pair.The Bluetooth microphone is capable of recording clear audio at distances of up to 15-20 meters. It can record clear and reliable audio even in complex scenarios such as shopping malls, subways and offices. 0.009s low latency technology is used for transmission between the microphone and receiver unit, ensuring low latency and no degradation of audio quality. (Tested in an unobstructed outdoor environment.)The Phone microphone uses a high sensitivity microphone to capture audio from any direction in 360°. Also has 3 noise reduction levels, according to the recording environment to choose a different noise reduction level, not affected by environmental factors recording effect.The podcast microphone is lightweight and wearable, and the transmitter is worn on the collar via a microphone clip. The transmitter weighs about 8 grams (0.28 ounces), making it comfortable and portable for the wearer. The transmitter has a single operating time of approximately 6 hours. A fully charged charging case can charge the transmitter about 2 times. The receiver uses the power of the phone and does not require a battery. The transmitter takes about 1 hour to charge each time, so the total battery life is about 20 hours. With a fully charged transmitter and charging case, you can shoot for nearly a full day.The lavalier wireless microphone system has a wide range of features. Not only can you adjust the noise reduction level, but you can also turn on/off the reverb mode and mute the microphone. When the transmitter microphone is low on power, the indicator light will blink slowly to warn you.