GREAT Clear SOUND QUALITY: Boytone BT-26UM upgraded wireless microphone system now has better sound quality transmission technology resulting in layered sound output. Ideal for Karaoke Party Church DJ Weddings Meetings stage performances etc.EASY TO OPERATE: Insert the receiver into the stereo turn on the microphone. No other pairing or connecting is required. The USB connector on the receiver and an included 6.35mm adapter make the microphone compatible with many devices.LONG RANGE FREQUENCY: reducing the possibility of interference and dropouts. With the operating range of up to 200ft the microphone has a strong anti-interference ability and can be used freely in all situations.Battery and Display: Low-battery warning indicators on the microphone The microphone uses 2 AA batteries (batteries included in the package) The receiver no need battery Comfortable and easy to hold microphone WHAT YOU GET: The microphone set includes handheld microphone x 1 USB receiver with a 6.35mm plug x 1 AUX cable x 1 foam x 1 aluminum carrying case and 2 AA batteries (included) UHF Wireless Microphone Dynamic Microphone 30 adjustable frequencies channel Range up to 200ft Metal microphone Offers style and durability Clear transparent audio with full frequency response USB Plug RF Indicator Microphone Head foam Low Battery warning indicators LCD Display Power Switch 6.35 mm Adaptor Response Range: UHF 510-530 MHz Response Frequency: 40Hz-18Khzr Sensitivity: 105dBm Transmitter power: 30mW Battery Voltage: 3V 2 AA battery included Continuous Working: About 9 Hours Aluminum travel carrying case