1. Check to see if the device needs to be charged.
2. Recheck to see if the device starts correctly.
3. Restart the device by turning it off and then on again.
4. Please contact our customer support.

Certainly, the vibration intensity and temperature of this device have been intelligently designed by a professional team, and it is recommended to use it multiple times a day.

This device utilizes food-grade stainless steel that meets international
standards, as well as high-activity, food-grade silicone that is proven
to be safe and non-irritating to the skin. Those with allergies can
confidently use it on a daily basis.