The following instructions apply to the GardePro Baby Monitor B3.
If the monitor’s screen is dark, insert the USB cord and charge the monitor, then, press and hold the Power button to observe that the scree can be turned on. If the capacity is lower than 1% the screen will show the capacity and the monitor cannot be turned on. After the capacity is more than 1% then you can press and hold the Power button to turn on the monitor.
If your problem still cannot be solved, please contact us.