The following instructions apply to the GardePro Baby Monitor B3.
For Monitor:
You can press "+" or "-" to turn the volume up or down.
For Camera
You can press M to enter the menu, then you can press Right to enter the tie 2 menu, then press Down to "Speak volume" and press Right to enter the volume adjustment interface. Then you can press "+" or "-" to turn the volume up or down.
If your problem still cannot be solved, please contact us.