"7+4" specifically refers to the combination of 7 gears with 4 professional nozzles, which can clean the mouth in a comprehensive and delicate way, Equipped with nozzle storage box, easy to store, clean and hygienic.

In spite of Normal toothbrushing in the morning and evening, 40% of the blind areas in the mouth are still dirty to clean

● Can be brushed to the surface, difficult to brush to the cleaning blind spot ● Dental plaque accumulation: stimulating redness of gingiva, causing dental caries ● The braces hide dirt: bacteria breed, breath bad

● Strong pulse water flow, 0.6mm of fine pulsed water will penetrate into the crevices of teeth, flush away food residues, and a hygienic and clean oral environment can effectively prevent dental plaque and other oral problems.

● 3 modes with 7 gears, best for different conditions of teeth, intensity selection mode matches different tooth states, more protection for gums from bleeding.

● People with sensitive teeth, soreness and pain, and those who are afraid of hurting their teeth, need the gum protection mode (weak, medium and strong intensity) + periodontal pocket nozzle).

● Braces gap is blocked, and stubborn stain is difficult to clean, point shooting mode+ orthodontic nozzle.

Essentials for those wearing braces, equipped with a fine-bristle brush, which is combined with scouring to clean the gaps between the braces without leaving bacteria

Thick and greasy tongue coating, troubled breath, gum protection mode (weak, medium and strong intensity) + tongue coating nozzle

● The built-in smart chip precisely controls pressure and provides stable water flow in 0.66mm fine pulse water flow, penetrating into teeth gaps and easily removing dental residues and dirt. ● 1300 pulsed power per minute, stable flushing of tooth dirt.

● 240mL detachable water tank for hygiene and deep cleaning. High-capacity water tanks, eliminating the need for frequent water additions