Product DetailsFeatures:1.9 ms ultra-low latency,20 m barrier-free reception,it can use outdoor live broadcast and take a small video.2.It doesn't need APP,plug-and-play,one-click connection,easy to wear.3.Intelligent noise reduction,long endurance of 10 hours,easy to cope with all children of noise environment,worry-free shooting,meet your needs for a day.4.360 full pointing pick up,record every detail of the sound.5.Small and convenient,it compatible with various devices,support mobile phone, tablet, camera, notebook,etcSpecifications:parameter:Microphone: digital silicon microphoneSensitivity: -26DBBattery capacity: 80MAHFrequency response range: 20-20KHZSignal to noise ratio: 64DBMTransmission distance: 20 metersPackage Included:1 x Rechargeable Wireless Microphone1 x Receiver1 x USB cable