Car Charger FM Transmitter Bluetooth Audio MP3 Player TF Card Car Kit 3.4A Dual USB Car Phone Charger For Xiaomi Mi

Why is there a noise: When the car FM is affected by the channel of other radio stations, it will produce noise. It needs to be adjusted to the channel without radio interference, and the noise is as small as possible. Then connect the car Bluetooth receiver and play music to enjoy the high-definition sound quality. If there is any further problem please contact our customer service first. We will offer you solution.