Fairywill always works hard to offer users the highest level of quality and care. This upgrade magnetic levitation sonic electric toothbrush will give you a thorough cleaning, up to 42,000 micro-brushes per minute. 5 intelligent modes to suit different conditions of teeth of gums, be comparable to dental cleaning grade care. Built in a 2-minute intelligent timer, the shaking stops every 30 seconds to remind you to change the brushing area of your mouth. This electric rechargeable toothbrush working with type-C port charge, 3 hours charging and 30 days using. Each brush head lasts 3 months so 4 will last for about one year. IPX7 waterproof, the whole brush can be washed with water, safe without short circuit, it can be used in the bath. Back of brush head design with tongue cleaner, there are 173 soft glue contacts, larger area fits for tongue groove to reduce bacterial growth. 10° brush neck angle is mimicking dental tools, it penetrates into hard-to-reach areas of the mouth. The travel lock function can prevent false start, long press power button for 5 seconds to activate the lock/unlock. Besides, we also serve you the extra 4 replacement head of your sonic toothbrush,you could enjoy the gum health with Fairywill all the time.