Rechargeable Electric Toothbrushes for Adults and Kids, Sonic Whitening Tooth Brush with 4 Brush Heads, 6 Cleaning Modes and Smart Timer, Waterproof Cleaning【Toothbrush, USB Cable & 4 Brush Heads】The electric toothbrush has 4 brush heads. The bristles are designed in a nylon "W" shape, which fits the shape of the teeth and can thoroughly clean the gums and hard-to-reach parts. And this one is equipped with 1 white electric toothbrush, suitable for family use, especially for couples.【6 Modes & USB Charging】The toothbrush has 6 modes: sensitive, gentle, clean, massage, gum protection and bright white, suitable for different mouths and gums. The electric toothbrush adopts a USB charging design, compatible with any charger or with USB The interface device can be used for 60 days when it is fully charged!【Powerful Sonic Cleaning】The electric toothbrush is equipped with a super powerful motor, which can generate 45,000 vibrations per minute, which can effectively remove deep stains on the teeth. Compared with traditional manual toothbrushes, electric toothbrushes can whiten teeth and improve gum and oral health within 2 weeks.【2 Minutes Smart Timer 】Built-in 2 minutes smart timer (automatically turns off after 2 minutes), which can meet the shortest tooth brushing time recommended by the dentist. There is a pause every 30 seconds to remind you to change the brushing area for effective cleaning. The IPX7 grade is waterproof.