Item Name: Lavalier Condenser Mic 3.5mm Jack Recording Teaching Clip-On Lapel Microphone. Type: MicrophoneCable length: Approx. 120cmBluetooth protocol: 4.1Microphone type: CapacitorDirectivity: UnidirectionalChannel: 5.1Signal to Noise Ratio: 56dBMicrophone size: 9.7*5.0mmInput voltage: 5VOperation Voltage: DC1.0V - 10VFrequency Range: 50-16,000HzDC signal to noise ratio: greater than 58dbOutput impedance: 2.2KCurrent Consumption:
