• 4 Modes：Clean／Soft／Whiten／Massage
• Up to 40,000 sonic vibrations per minute
• 650mAh lithium battery
• 6 hours USB Type-C charging
• 80 minutes battery life for operation
• 2-minute timer
• 30-second zone change reminder
• IPX7 waterproof
• Low battery alert
• 65dB low noise
• Mode memory
• Extended handle
• The bristles adopt copper-free flocking technology, do not contain metal components, prevent rust, increase the amount of hair by 40%, greatly increase the contact area with the tooth surface, and effectively improve the cleaning power