Wireless Smart MicrophoneM3 Wireless Lapel Microphone with Charging Box, adopts 3 different noise reduction modes. Its own built-in intelligent active noise reduction chip, which allows you to record clearly in a noisy environment. In addition to its AUTO AI noise canceling function, there is manual noise reduction and reverb mode for selection and real noise canceling microphone. Built-in 110mAh rechargeable battery, runs up to 33 hours on a single charge, and has indicator monitors in the charging case to clearly inform the user of the remaining power accordingly. Plug and PlayNo Bluetooth, No app needed, just plug in the phone jack and clip the microphone on your shirt, it starts working in a second. Two wireless lapel microphones allow two people to engage in video recording together. 20M Range DistanceBuilt-in optimized antenna and advanced transmission technology enable it to cover up to 20M range distance indoor or outdoor stably. The omnidirectional wireless lavalier microphone provides the best transparent timbre. Used upgraded high sensitive condenser microphone, which can store sound with a quality to be as original, or even better. Ideal for bloggers, journalists, mukbang, fitness trainers, teachers and office people. PortabilityOur Wireless Lapel Microphone is only 145 grams, which can be easily carried and used to provide the maximum portability for your recording.