Initial discomfort, such as tingling or minor gum bleeding, may occur due to the high-frequency vibrations of the toothbrush as your gums adjust to this efficient cleaning method. This should subside within 1-2 weeks.

If discomfort persists beyond this period, it may indicate gum issues; in such cases, stop using the product and consult a dentist.

Note: Sensitive users should start with the Gentle mode.

1. The noise is normal and comes from the motor during vibration.

2. Ensure the brush head is properly attached; it should have less than 1mm gap between the motor shaft and the top of the brush head.

If you notice any unusual or abnormal sounds, please request after-sales support from the purchase platform.

1. Ensure the charging environment is between 5-45°C.

2. Check if the charging base is clean and free from debris.

3. Verify that the charging cable and adapter are functioning correctly.

1. Check if the device is out of battery.

2. Ensure the device is not connected to the charging base.

1. Check if the brush head is inserted in the correct direction.

2. The brush head needs a snug fit with the motor shaft.

3. Ensure you are using only the brush heads designed for this product.

1. Ensure the brush head is properly attached.

2. Try selecting a higher intensity mode for stronger vibrations.

A slight odor right after unboxing is normal and typically results from the product being sealed in packaging for an extended period.

This smell will dissipate after a few uses and does not pose any harm to health.