Bluetooth Karaoke Microphone Adapter
There are main 2 parts for this machine, wireless microphone and receiver. Wireless microphone connect receiver by the U-band wireless signal.
When the device is working, the receiver connect cellphone by bluetooth, it could receive the voice from wireless microphone, and then reverberating to video connected by line-in cable.
User can adjust the volume , reverb, accompaniment music volume by sliding switch of machine.