Item Name: High Volume Outdoor Recording Audio Live Mai Wireless Lavalier Microphone. Description Battery life: 6-8 hoursFrequency response range: 40Hz-20KHzMicrophone Type: CondenserBuilt-in battery capacity: 300mAh-500mAhSignal-to-noise ratio: 85dBSpecification:Model: S9Microphone Type: CondenserSize: 5*4*1.5cmDisplay: noneWith wireless: noInput voltage: 220VThe Package Includes:1Pcs Wireless Lavalier Microphone
