Description: 9 ms ultra-low latency,20 m barrier-free reception,it can use outdoor live broadcast and take a small video. It doesn't need APP,plug-and-play,one-click connection,easy to wear. Intelligent noise reduction,long of 10 hours,easy to cope with all kinds of noisy environment,worry-free shooting,meet your needs for a day. 360 full pointing pick up,record every detail of the sound. Small and convenient,it compatible with various devices,support mobile phone, tablet, camera, notebook,etc Specification: Input voltage: DC4.8-5.4V Charging port :for Type-C Battery capacity: 80mAh Transmission Distance: 8 m barrier, 20 m barrier free Receiver size: 4x2x0.5cm/1.6x0.8x0.2 inch Package Includes: 1 Piece Wireless Microphone 1 Piece Adapter Note: Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!