Features:  -5 High-Performance Brushing Modes, 3 Intensities:  5 Modes: Clean, White, Comfy, Solid, Mider to suit different conditions of teeth of gums. with 45,000 micro-brushes per minute powerful ultrasonic technology, enjoy clean and healthy teeth.  -30 days battery life, Smart Timer:  One 12-15 hours full charge last 30 days of normal usage (2 times per day), Built in smart timer control, 30 seconds interval reminding you to move to the next quadrant of your mouth, and totally in 2 minutes(4 quadrants), which is highly recommended by professional dentists, as a correct brushing way. PX7 Waterproof so it can be used in the bath and shower.  -2 Replacement Brush Heads:  Comes with 2 replacement brush heads to avoid order new replacement brush heads frequently. The bristles are made with DUPONT nylon, Each brush head lasts 3 months so 2 will last for about 6 months.  -IPX6 Waterproof Design:  The whole body is washable and IPX3 waterproof, enjoy brushing your teeth in the shower.  -30 days battery life, Smart Timer:  One 12-15 hours full charge last 30 days of normal usage (2 times per day), Built in smart timer control, 30 seconds interval reminding you to move to the next quadrant of your mouth, and totally in 2 minutes(4 quadrants), which is highly recommended by professional dentists, as a correct brushing way. IPX6 Waterproof so it can be used in the bath and shower.     Specifications:  Material: ABS;  Vibration frequency: 45000 times / min;  Toothbrush type: Acoustic vibration;  Toothbrush bristles: DuPont bristles;  Battery type: Lithium battery;  Battery capacity:  1200mAh;  Waterproof grade: IPX6;  Charging time: 3 hours;  Duration: 30 days;  Size: 227 x 27mm.     Package Included:  1 x Electric Toothbrush;  2 x Brush Head;  1 x USB Charging Cable;  1 x User manual.