Feature:1. ANTI INTERFERENCE: Wireless microphone headset uses independent frequency band, free from other signal interference, ensuring stable sound transmission.2. LED DISPLAY: This wireless headset mic has a high definition digital LED screen that displays frequency, volume, power and other information for easy operation.3. NOISE REDUCTION: UHF wireless mic headset with built in chip, strong noise reduction, filter unnecessary noise, provide pure sound quality.4. WITH ADAPTER: The wireless microphone headset is equipped with 3.5mm to 6.35mm adapter, suitable for all kinds of sound devices, flexible connection.5. DETACHABLE: The head mount and transmitter of the UHF head microphone can be detached freely, convenient to carry and use.Specification:Item Type: Wireless Microphone HeadsetMaterial: ABSFrequency Points: 50pcsFrequency Response Range: 50HZ-15KHZBattery Type: Lithium BatteryReceiver Battery Capacity: 400mAh (Including)Transmitter Battery Capacity: 400mAh (Including)Charging Voltage: 5V0.25VOperating Current: 103MA15MATransmitter Power: 10DBMStandby Current: 45UAFrequency Band: 760MHZ-769MHZApplicable Equipment: Amplifier, Trolley Speaker, Amplifier, Teaching All in One Machine.Package List:1 x Microphone1 x Receiver1 x Head Mount1 x Instruction Manual 1 x One for Two Charging Cable1 x 3.5MM to 6.35MM Adapter