◆ IPX7 waterproof design ◆ Driven by magnetic motor, allowing high vibration frequency of 31,000 strokes/min ◆ 3 modes: Clean | Sensitive | Massage ◆ Smart timer ◆ Memory function ◆ 30-second interval time guide ◆ Wireless inductive charging ◆ Brush head options: Sensitive Clean | Daily Clean | Deeply Clean ◆ Optional Colors