Boorui BR-Z5 USB Fast Charge Soft Toothbrush 5 Gear Sonic Electric Toothbrush 1. Acoustic electric toothbrush, powerful cleaning, gentle care 2. 5 stage mode, intelligent whitening and cleaning, caring for different oral needs 3. Easy to start gear, suitable for the first time using electric toothbrush 4. Quick cleaning gear, daily cleaning, effective removal of dental plaque 5. Deep stain removal file, deep cleaning stubborn stains, polishing whitening 6. Polishing mode, quick swing to remove plaque 7. Sensitive care file, suitable for gingival sensitive people 8. Power display, forecast power, charge in advance 9. 3D arc surface Dupont bristles, fine soft brush head, friendly and soft care, safe to use for sensitive gums 10. High density hair planting, clean more thoroughly, round the top, protect sensitive gums 11. High vibration frequency, 3000 timesminute, quickly and effectively clean plaque and all kinds of tartar that is not easy to clean 12. IPX7 waterproof 13. Charging time: 2-3 hours 14. Sound: 55 decibels 15. Battery specifications: 500mAH lithium battery 16. Package configuration: brush head x4, toothbrush host x1, charging cable x1, manual x1, packaging box x1