
Charging your Oral-B USQ3776 electric toothbrush is straightforward. First, place the toothbrush handle onto the plugged-in charger. While charging, the on/off button will blink white. When the toothbrush is fully charged, the indicator light will turn off. A full charge typically takes about 16 hours. If the is running low, a red indicator light will blink. Once the battery is completely drained, the motor will stop. Simply place the toothbrush back on the charger to recharge. You can leave the Oral-B USQ3776 on the charger when not in use, as it won't overcharge. However, for environmental reasons, it's best to only keep the charger plugged in when charging. The toothbrush will automatically shut off if it exceeds operating limits. To reactivate it, place it on the charger. Important safety information: This toothbrush contains a Li-Ion battery. Avoid exposing the toothbrush to temperatures above 50°C / 122°F. For best battery performance, store your Oral-B USQ3776 at room temperature. Always consult the user manual for detailed instructions and safety information specific to your model.


