Origin :CN(Origin) Commodity Quality Certification :ce Age Group :Adults Size :21CM Item Type :Electric Toothbrush Type :Acoustic Wave Model Number :1D1 Material :ABS+Dupont Nylon Certification :CE Quantity :Depends on Your Choose Charge Mode :Wireless Charging Control Issue :Keypad Control Specification :Length 235mm, Diameter 21mm Battery Capacity :1100mAh Suitable For :Whitening Tooth Frequency :31000-42000 Strokes/Minute Charging Time :Charge for 3.5 Hours Standby Time :Fully Charged Standby 60 Days Grade of Waterproof :Function Mode :6 Modes Illustrate :LCD Screen Features :Program Timer Appearance :Hexagonal column design Function lock :Lock mode and strength Production Code :H6