Maono AU-WM800 Microphone SpecificationTransmitter:Wireless Transmission Technology: 2.4gFrequency:20Hz-20kHzPolar Pattern: UnidirectionalSensitivity S/N: 74dbVolume Control: 6~+12dbCurrent: <50maTransmission Range:30mConnection Method: Automatic connectionInput interface: 3.5mm audio interfacePower Supply: Built-in Li-ion, 650mAhCharge port: Micro-USB, DC 5V=1A MaxReceiver:Wireless Transmission Technology: 2.4GCurrent:<50maTransmission Range:30mConnection Method: Automatic connectionOutput:3.5mm TRRS (Compatible TRS)Power Supply: Built-in Li-ion, 650mAhCharge port: Micro-USB, DC 5V=1A MaxMAONO AU-WM800 2.4G WIRELESS LAVALIER MICROPHONECombo clip-on and handheld Maono AU-WM800 Microphone with a compact and light-weight design.Maono AU-WM800 Microphone's quite convenient whether you want handy hold or clip on.2.4G Hz digital wireless transmission technology. Maono AU-WM800 Microphone Plug and play, turning on the receiver and transmitter at an equivalent time, they're going to pair automatically in 2 seconds. Maono AU-WM800 Microphone 2.4G wireless microphones accompany better stability, better data transmission for clear sound. Up to 100ft(30m) communication range. Intelligent noise cancellation automatically identify noise and optimize the first sound. MAONO AU-WM800 wireless mic comes with Maono AU-WM800 Microphone gain adjust button to satisfy outdoor and indoor recording needs. Works with smartphones, cameras, PC, etc. Charge for 2 hours and lasts up to six hours.AU-WM800 wireless microphone comes with phone/PC switch. Maono AU-WM800 Microphone are often used with public address system , voice amplifier, Bluetooth speaker for guide , teaching. And it are often used on PC, smartphone, DSLR, camera for recording, vlogging, interview, podcasting...