After three months of usage, the power button will illuminate blue to remind you to change your brush head. To reset the replacement head indicator light, hold down the power button for five seconds. How do you brush your teeth properly with a Goby rechargeable electric toothbrush?
How do I charge my goby toothbrush?
https://www.youtube.com/watch?v=msPT1XjHzhI
How long do goby toothbrushes last?
Once your goby runs out of batteries we suggest letting it charge for a full day. How long does a full charge last? Using the dentist's recommended 150g of pressure a full charge will last approximately two weeks, brushing twice a day. Brushing harder will decrease the battery life and may damage your gums.