dr.bei q3 sonic electric toothbrush rechargeable usb teeth whitening toothbrush dupont soft hair tooth brush oral care cleaning from

features: - lasting one month, reduce frequent charging annoyance two times a day, two minutes at a time, a full charge, can continue to bring you 30 days of bright white experience. usb protable and straight charge, with a cable to accompany you to the ends of the earth - ipx7 waterproof , it can also be used under 1 meter of the water dr.bei sonic wave electric toothbrush q3 adopts ipx7 waterproof design, which can be washed directly under the water hose after each use, convenient and safe.