Thank you for contacting us. We're truly understand how confusing of having this problems. Here're some steps for you to check:
- If it powers off after 120 seconds of inactivity, this is a normal power-saving function. You can short-press the power button to resume operation.
- If the device shuts down quickly or restarts repeatedly, check whether it is the battery issue. Replace the full set of brand-new batteries. Check the "Lo" low-battery indicator, screen flickering or abnormal overheating appears simultaneously.
If the problem cannot be solved still, please contact the manual support.