Item Type: Wireless MicrophoneMaterial: ABSFrequency Response: 30Hz-20kHzFrequency Bandwidth: 40MHzModulation Method: Digital ModulationMaximum Frequency Deviation: 48KHzSignal to Noise Ratio: 95dBDistortion: 01%Receiver Battery Model: 1 x 18650 Lithium Battery (Not Included)Microphone Battery Model: 1 x 18650 Lithium Battery (Not Included)Package List2 x Microphone (Battery Not Included)1 x Receiver (Battery Not Included)1 x Adapter1 x Charging Cable2 x Anti Skid Ring (Random Color)2 x Sponge Cover (Random Color)1 x Manual1Multipurpose: The microphone can be easily connected to a variety of devices, and devices with a microphone interface can be connected and used. 2Moving Coil Microphone: This microphone can pick up sound efficiently, has strong signal receiving ability, transmits farther and is more stable. 3Easy to Operate: The wireless microphone has a smart LED display, a live sound card is available, plug and play, easy to operate. 4Stable Signal: High performance wireless microphone technology, can pass through the wall, up to a wireless receiving distance of about 50 meters. 5Applicable: 6.35mm interface, with 3.5mm adapter, suitable for 6.35mm interface equipment, also suitable for 3.5mm interface equipment.