Features: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&x27;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 Kinds Of Noisy 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,etcspecification:frequency: 2. 4ghzinput Voltage: Dc4. 8-5. 4vcharging Port :for Lightning/for Type-cbattery Capacity: 80mahtransmission Distance: 8 M Barrier, 20 M Barrier Freemicrophone Size: 62*23 * 28mmmicrophone Weight: 7greceiver Size: 45*27 * 7mmreceiver Weight: 4gpackage Included:1 X Rechargeable Wireless Microphone1 X Receiver1 X English Manual1 X Usb Cable