About this item

• 【Warm Tips】This wireless microphone headset only for Mic Jack, not support for Aux/Line in Jack. It's a microphone device for voice input, no auditory function, no speaker. Not Compatible with Bluetooth Speakers/Macbook.
• 【Professional Wireless Microphone Headset】Upgraded Bietrun wireless microphone is FCC certified, which can work with Mixer, Pa system speaker and amplifier etc without delay or radiation. UHF independent frequency bands can resist jamming and howling ,clearer the sound quality.
• 【How to Use】Turn on the transmitter and receiver, the blue light will flash for approximately 2s. Indicator light stops flashing after a successful match, then you can use it, no further operation. Long press volume “-” button of the transmitter until the blue light flash 3 times to change channels, which can avoid interference.
• 【6 Hours Working Time】Built in newest upgraded 450 mah rechargeable lithium-ion batteries, transmitter and receiver can be charged simultaneously with the dual usb v2.0 cable. Fully charge is only 2.5 hours, working time upgraded to 6 hours.
• 【What If No Sound】Turn on transmitter and long press “+” key and “-” simultaneously until the indicator light starts flashing (blue). Then turn on receiver, wait for auto pairing about 5s. Indicator light stops flashing after a successful pairing. Please feel free to contact us if you have any questions.

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