With its high density spray-proof sponge, high sensitivity microphone, 360° omnidirectional sound reception, fast operation, radio well regardless of the surrounding environment, and ability to record every detail, this crystal voice syncs in real time without any delay. The Bluetooth microphone can be used for recording, broadcasting, podcasting, vlogging, Tik Tok, Twitch, YouTube, and Facebook live broadcasting. A built-in noise reduction chip, strong anti-interference capabilities, effective sound recognition, and the ability to record clearly in noisy environments are all features of the iPhone's microphone. Stable signal and high performance wireless microphone. There are built-in 75MAH rechargeable batteries for the lavalier microphone. The operation time is up to ten hours. Unhindered working distance of 20 meters/65 feet.