Rechargeable wireless microphone live sound card with smart LED display for unlimited distanceAdvanced microprocessor intelligent noise reduction adopts high quality microprocessor to protect your voiceFrosted touch feel comfortable grip advanced touch, anti hand , easy to controlUHF wireless transmission. One-time automatic frequency matching, anti-interference, strong signal penetration, one-step connection to start singing immediatelyHigh environmental protection material, comfortable grip, one-hand control.Frequency response range: 100HZ-20KHZSignal-to-noise ratio: 60dBMicrophone Type: DynamicPlug Type:EU Plug,it applies to Indonesia, Germany, France, , Italy and so onMaterial: ABScolour: blackVoltage: AC100-240VPackage Contents:4 x Microphone1 x Host1 supply1 x Audio cableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.