A wireless lapel microphone

Compatible with mobile phone, SLR camera, computer, handheld DV, motion camera,Pocket camera and other devices with 3.5 or 6.5 mic interfaceThe belt is powered by a No. 5 battery.The built-in energy saving chip makes the battery life more durableThe receiver is equipped with a large capacity lithium battery and a USB charge on the sideElectric interface, lasting about 3-4 hours under full powerMicrophone type: U segment wireless microphoneFrequency modulation: Frequency-adjustable (automatic frequency matching)Frequency response: 30HZ-18khzDynamic range: 96dB delay ge 2.5msTransmitting terminal power: 10mWReception distance: about 50 metersSignal to noise ratio: 96dBDistortion: <0.1%Frequency points: 48Receiver sensitivity: -96dBReceiver service time: 3-4 hoursCharging adapter: 5V