oxxyeeKS Wireless Microphone System for 2 People,160ft Range, 2.4G Dual Wireless Headset Mics for Karaoke Speaker, Amplifier, Mi

?Auto Pairing Wireless Microphone? 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.It is a portable Karaoke equipment.(Excludes Amp&Not supported Iphone, bluetooth speaker, PC and Laptop) ?Obtained by FCC test.