







Note: If static interference occurs, try a different frequency and repeat the steps.
How to adjust the volume by Bluetooth car adapter?
1. Double Click the Multi-function Button(Calling Button), then the Channel Dispaly will flash.
2. Rotate the knob(left or right) to adjust the volume up or down.







Note: If static interference occurs, try a different frequency and repeat the steps.
How to adjust the volume by Bluetooth car adapter?
1. Double Click the Multi-function Button(Calling Button), then the Channel Dispaly will flash.
2. Rotate the knob(left or right) to adjust the volume up or down.

















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