Xiaomi Mijia T100 Mi Smart Electric Toothbrush Feature:  Imported delicate soft hair IPX7 body waterproof, no fear of wet water Charging time 4 hours, long battery life 30 days 2 minutes of scientific brushing 30 seconds zone reminder 16500 rpm, high frequency vibration, deep cleaning of the mouth Professional high frequency vibration, cleaner brushing method Two-speed cleaning mode Strength is more comfortable at home: Standard cleaning mode, stronger Every 30 seconds, the zone will be changed by a short stop, and it will automatically stop after 2 minutes. 46g portable light electric toothbrush, professional high frequency vibration to clean teeth, imported slim soft hair care gums 3 seconds gradual strong start function, prevent droplets, give the mouth a cushioning period, effectively avoid gum discomfort Specification :  Brand :  XIAOMI Mijia Model: T100 T100 Sonic Electric Toothbrush Color: White, Blue, Pink Rated Voltage: 3.7V Rated Power:  0.6W Waterproof Rating: IPX7 Charging Way USB Charging Charging Time <4 hours Battery Life 30d after fully charged Brushing Mode ①Standard Mode ②Gentle Mode Noise <60db Size L187.5mm, Φ28.5mm Net Weight 41.7g T100 Brush Head Material KR Dual Sharp Brush Size L83mm, Φ18.9mm Net Weight 4.3g