Electric Ultrasonic Toothbrush Six Speed Mode Home Soft Hair USB Charging Waterproof Toothbrush Washable 8 brush heads WhiteningProduct features:1. 6 modes2. IPX7 waterproof3. DuPont toothbrush head4. Touch key operation5. Gear adjustment indicator6. USB Charger with base is awfully convenient7. 2 minutes wise timer8. 32000-42000 times/min excessive frequency sonic wave1 Set Electric Toothbrush Packing Listing: 1x Toothbrush Body 4/8x Toothbrush heads 1x USB charging cable