Details:Electric Ultrasonic Toothbrush 6 Models Vibration Fast Charge With 4 Brush Heads?Black?The product is shipped based on the color or size of the main image of the product page.Colour:blackFeatures:Powerful and cleaning:The electric toothbrush adopts ultrasonic motor to bring you max 42000 times / minute vibration frequency service, which can build small bubbles in order to clean you tooth effectively and deeply.Six vibration modes:There are six vibration modes for you to choose, including beginner mode(28000 times/ minute), gentle mode (30000 times/ minute), cleaning mode(33000 times/ minutes), bright white mode(36000 times/ minutes), polishing modes(42000 times/ minutes), massage modes(28000-36000 times/ minute), sufficing your different using needs.2 minutes timer:The electric toothbrush supports two minutes timer function, bringing scientific brushing service. During the timer process, the brush will stop for 1.5s each 30 seconds, dividing the whole tooth into four parts, giving enough intermittent time for changing part.Waterproof IPX7:The electric toothbrush has up to IPX7 waterproof level, which can be soaked under water for half hours, owning excellent waterproof function, perfect for tooth cleaning usage.Soft and harmless:The electric toothbrush is designed with soft 0.15-0.12mm brush fiber, white can bring you stable 100g brushing power and 6mm vibration wave, harmless for your tooth and gums, reliable to use.Long working time:The electric toothbrush is designed with 600mah big built-in battery and USB rechargeable interface, supporting up to 60-80 days working time. USB interface is easy to find suitable power supply.Specification:Type: electric toothbrush;Material: PVC + electric component;Color: white/ black/ pink;Interface: USB;Battery: built-in 600mah;Working time: 60-80 days;Vibration frequency: 42000 times / minute max;Power: 1.5w;Vibration wave: 6mm;Waterproof: IPX7;Timer: 2minute;Brush fiber: 0.15-0.12mm;Package:1* electric toothbrush;4* brush head;1* USB charging cable;1* package box.