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 Headset Material: ABS Frequency Points: 50pcs Frequency Response Range: 50HZ-15KHZ Battery Type: Lithium Battery Receiver Battery Capacity: 400mAh (Including) Transmitter Battery Capacity: 400mAh (Including) Charging Voltage: 5V±0.25V Operating Current: 103MA±15MA Transmitter Power: 10DBM Standby Current: 45UA Frequency Band: 760MHZ-769MHZ Applicable 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