Scientific gum protection, goodbye to violent brushing Food-grade silicone brush head: 360 wraps around the teeth, softly fits the gum line and does not scratch the oral mucosa. 2-minute intelligent timer: every 30 seconds to remind the change of zone, scientific allocation of cleaning time, to avoid excessive cleaning. Lightweight and portable, travelling without worry The body weighs only 120g: as small as a lipstick, it easily fits into your make-up bag or suitcase. Type-C fast charging: 2 hours full, support mobile power emergency charging. Quiet and low noise, even late at night Noise reduction technology: operating noise is less than 50dB, quieter than electric toothbrush, not disturbing family rest. Daily care: alternative to flossing/flossing, deep cleaning between teeth, around braces and dental implants. Orthodontic people: a must for braces party, easy to clean food debris under brackets and wires. Coffee/tea drinkers: Remove stubborn stains and say goodbye to the embarrassment of yellow teeth. Middle-aged and old groups: gum recession, teeth widening, deep cleaning to prevent periodontal disease. Preferred gift: Healthy and practical, suitable for parents, partners, girlfriends and other people who pay attention to oral health. First time use: We recommend starting with sensitive mode, and gradually switching gears after adaptation. Brush Head Replacement: Replace the brush head every 3 months to maintain the cleaning effect. Match with toothpaste or mouthwash for a more refreshing rinse after cleaning.