Ⅰ. Item Type: Lavalier Microphone Ⅱ. Product Material: ABS, Metal Ⅲ. Color: As shown Ⅳ. Battery: Built-in 75mAh lithium battery (comes with built-in battery) Ⅴ. 1.5 Hours Long Battery Life: The wireless microphone has a battery life of 5 hours. It is used for short videos and live recording. It can cope with various noisy environments, and you can use it without worries to meet your daily needs. Ⅵ. Mini and compact: The wireless lavalier microphone is an almost invisible mini design, small size can be clipped on clothes, without the shackles of wires and does not take up space. Ⅶ. Automatic pairing: The wireless microphone is plugged in and played, easy to operate, no complicated operations are required, and the transmitter can be automatically connected when it is turned on. Ⅷ. Advanced noise reduction: Clear sound quality, built-in noise reduction algorithm, strong anti-interference ability, effectively recognize the original sound, and can still record clearly in noisy environments. Ⅸ. High sensitivity: 20 meters wireless transmission, high-density splash-proof sponge, high-sensitivity microphone head, 360-degree no-dead-angle radio, fast response, delicate radio and immersive sound. Ⅹ. Strong compatibility: suitable for various types of mobile phones, computers, tablets and other devices on the market, and supports mainstream APP software. Updated design, using the receiver can charge the radio equipment normally.