F500 IPX7 Waterproof 350ml Rechargeable Portable Handheld Pulse Electric Flosser Features: 1. Clean the tooth surface in all directions, effectively targeting oral cleaning 2. IPX7 waterproof, washable all over 3. Four care modes to meet everyones needs 4. Three professional nozzles to take care of different groups of people 5. 350ML large-capacity water tank, detachable design 6. The brush head is made of food-grade PP material to ensure safe and harmless entry Product parameters: 1. Material: ABS+PC 2. Water tank capacity: 350ML 3. Four-speed mode: high, medium, low, pulse 4. Water pressure: 60-100psi 5. Waterproof level: IPX7 6. Rated voltage: DC3.7V 7. Interface: Type-CUSB-C 8. Battery capacity: 1500mAh lithium battery 9. Charging time: about 4-6 hours 10. Battery life: about 45 times 11. Product size: 29 x 6 x 8.4cm Package List: -Host x 1 -Nozzle x 4 -Charging Cable x 1 -Instruction Manual x 1