【The new fourth generation 】:began on August 15, 2019 and adopted a new fourth generation of Japanese brush heads. The fourth generation brush head was greatly improved on the basis of the third generation. The brush hair increased from 760 brush hairs to 1908 brush hairs. In order to brush teeth and better massage gums, the outer side also added brush hair. Compared to the third generation, the fourth generation has become more flexible and can better protect the mouth..

【3D sonic Cleaning】：- One-key operation 4 modes: A, Strong mode for powerful teeth brushing; B, Medium mode for comfortable teeth brushing; C, Massage mode for gum massage; D, Whitening mode for teeth whitening.promote the blood circulation of the gums.using food grade silicone soft material (FDA/IPX7/FCC/CE/ROSH certification), 360 degrees contact gums and teeth. Every time you brush your teeth, you can give your mouth a quick and comfortable experience

【Free your hands 】: - silica gel braces completely surround your teeth. When you turn on the switch and swing the toothbrush left and right, it takes only 30 seconds to complete 360 degree full brush movement, which is fast and convenient.

【IPX7 Waterproof 】：Whitening 360 °automatic sonic toothbrush adopts the omni-directional IPX7 waterproof seal design, durable to use， can be cleaned and reused，safely used at bath and shower.

【Electromagnetic Induction Charging】：The charging base adopts USB connector and adopts the electromagnetic induction charging method which has received high praise from the industry，less than 90 minutes a charge,travel electric toothbrush can be used for more than 1 week, Low battery reminding. Safe and easy, auto shut off after full charge, compatible with any power source。