Item Type: Lavalier Microphone Product Material: ABS, Metal Color: As Pictures Shown Battery: Built in Lithium Battery 75mAh (Delivery with Built in Battery) 1、5 Hours Long Battery Life: Wireless microphone has a long lasting battery life of 5 hours. It is used for short video recording and live recording. It can be easily dealt with in various noisy environments, and the shooting can be worry free to meet your needs for a day. 2、Mini and Compact: Wireless lavalier microphone adopts close to invisible mini design, the small size can be clipped on clothes, free from the shackles of cables, and does not take up space. 3、Automatic Pairing: The wireless microphone is plug and play, easy to operate, no cumbersome operations are required, and the transmitter can be automatically connected when it is turned on. 4、Intelligent Noise Reduction: Clear sound quality, built in noise reduction algorithm, strong anti interference ability, effectively identify the original sound, and can still record clearly in noisy environments. 5、High Sensitivity: 20 meters of wireless transmission, high density anti spray sponge, high sensitivity microphone head, 360 degree no dead angle radio, quick response, delicate radio, and immersive sound. 6、Strong Compatibility: Suitable for various types of mobile phones, computers, tablets and other devices on the market, and supports major mainstream APP software. Upgraded design, radio equipment can be charged normally when using the receiver.