Features:1.20 ms ultra-low latency,300 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.Long contract renewal, the charging compartment can provide 4 charges for the microphone, and the use time is up to 31 hours4.Intelligent noise reduction,easy to cope with all kinds of noisy environment.5.360 full pointing pick up,record every detail of the sound.6.Small and convenient,it compatible with various devices,support mobile phone, tablet, camera, notebook,etcSpecification:Frequency: 2.4GHzInput voltage: DC4.8-5.4VCharging port :for Lightning/for Type-CBattery capacity: Microphone:70mAhCharging compartment:450mAhTransmission Distance: 15 m barrier, 320 m barrier freeMicrophone size: 47.1*15 * 15.6mmMicrophone weight: 8.2gReceiver size: 47.5*13.47 * 7.95mmReceiver weight: 4.5gCharging compartment weight: 54.5gNOTE All ios systems are suitable for this microphone The following Android phones are not compatible with this microphonePackage included:1 x Wireless Microphone or 2 x Wireless Microphone1 x Receiver1 x Charging compartment1 x English Manual1 x USB cable