Bietrun UHF Wireless Microphone Headset， 165ft Range， Working Time 6H， 1/4''Plug， Wireless Headset Mic ＆Handheld

Wireless microphone headset system: Only for Mic Jack, not Aux Jack, otherwise no sound ●Built-in high sensitivity condenser microphone, transmission distance upgrade to 160 Feet (50m) ●Signal Stability●No Delay●No Radiation ●Anti-Howling ●Anti-Jamming ●Constant Frequency ●Clearer Sound Quality. Compatible voice amplifiers, multimedia. It is a portable Karaoke equipment.(Excludes Amp＆Not supported Iphone, bluetooth speaker, PC and Laptop) ●Obtained by FCC test. Easy to use: Please turn on the transmitter and receiver power switches, the blue light will flash for approximately 2s. Indicator light stops flashing after a successful match, then you can use it. No further operation. ●Headset and handheld is 2 in 1 design, easily change the handheld mode to headset mode to meet your needs. Not supported Android Phones, Iphones, Macbooks, Laptop, Bluetooth Speaker. Charge and work of wireless microphones: The transmitter and receiver are built-in 400 mah rechargeable lithium-ion batteries that can offer about 6 hours working time. ●Usb cable has two micro USB V2.0 to charge for the transmitter and receiver simultaneously. Fully charge is only 2.5 hours. ●Perfect Application: The plug on the receiver is 3.5mm. For 6.35mm amplifiers, please use the additional 6.35mm adapter（included）to connect more equipments. Using multiple wireless microphone simultaneously: Please refer to the user manual to channel switching( Max 15 Channel ) in (●Part 4 Advanced Operations To 4.2 Note B, Page 8) Otherwise there maybe noise or no sound. Use up to 15 microphone headset at the same time. Built-in cardioid polar pattern condenser microphone, widely applied to conference, speech, Web podcast, Youtube, Google, outdoor Live, Yoga instructor, voice amplifier, dancing instructor, promotion, game etc. What if can't pair or no sound: ●1, Turn off the receiver and transmitter ● 2, Turn on the transmitter（Handheld Microphone), blue light is on, long press “+ ” to flash the blue light ●3, Turn on the