Brand Name: DOCO LAB Origin: Mainland China Commodity Quality Certification: ce Number of movements per minute: from 30000 to 50000 Age Group: adults Number of operating modes: 3 Item Type: ELECTRIC TOOTHBRUSH Power type: RECHARGEABLE Quantity: Free choice Bristle stiffness: medium(18-24inch) Type: Acoustic Wave Material: ABS Choice: yes semi_Choice: yes