Wirele Microphone Headset UHF Handheld Loudspeaker Set For Voice Amplifier/high-power Speaker/portable Pa System/mixer/karaoke Description: 1. Does not support mobile phones/forMac/laptops-the latest upgraded wirele microphone headset system: using advanced UHF wirele transmiion technology. Provide a stable wirele connection of 160 feet (50M) in open areas. Suitable for teaching, stage performances, conferences, etc.2. Handheld Microphone: The microphone can also be used as a handheld microphone, allows you to move around more freely and show highlights or important facts, very suitable for fitne coaches, teachers and dance coaches.3. Easy to Use: Please turn on the power switch of the transmitter and receiver, the blue light will flash for about 2 seconds, the indicator light will stop flashing after the match is succeful, and then you can use it without any other operations.4. Wide Compatibility: The UHF wirele microphone can be used with voice amplifier/high-power speaker/portable pa system/mixer/karaoke microphone speaker system. We also provide adapters from 3.5mm to 6.35mm to help you make more choices.5. Rechargeable Wirele Microphone: The micro USB cable can charge the wirele transmitter and receiver at the same time, it takes about 2-3 hours, and the working time is about 6 hours after fully charged. You dont have to change the battery regularly.Specification:Sensitivity: 39dB1dBAudio response: UHF720-820MHZFrequency response: 0HZ-23000HZCharging voltage: DC5V300MACharging time: 2-3 hours (recommended)Microphone: single-point capacitiveDistortion: 0.5@0HZSensitivity: 39dB1dBEffective distance: 50mUse time: according to the actual situationColour: blackSuitable for: voice amplifier/high-power speaker/portable pa system/mixer/karaoke microphone speaker system, etc.Packing List:1 X Receiver1 X Headset1 X 6.35mm Adapter1 X USB Charging Cable1 X Marker Sponge 1 X User Manual