Wireless Lapel Headset MICROPHONE SYSTEM Public Speaking Singing Sound MusicMusical Instruments，Pro Audio，Microphones，for music loversFeatures:Adopt band of VHF201-207M Hz， avoid interferenceFully eliminate the interferential signalHidden antenna， Beautiful and practicalBattery indicator circuit， remind you replacing the batterySpecially designed switching noise Signal shock elimination circuit.Suitable for stage， Dance hall， meeting room ， classroom This wireless microphone system is suitable for public speaking and Singing. This system possess long-distance high-fidelity sound， Wide range frequency response， Extremely low distortion.Specifications:Frequency Response: 80-10HzFrequency Range : 220-270MHzSNR: >80Db MDistortion:0.5%(1kHz)frequency stabilization: ?à0.005%Receiver:power supply:AC110-240V 50/60HzPower Consumption:1WTransmitter:Modulation mode: FMpower supply: 9V BattPower Consumption:<30mAPackage included:1*lapel Microphone 1* headset Microphone1*bodypack transmiter1*Reciever 1* power adapter1* 1/4'' connecting audio cable1*Instruction Manual