-Voltage: Global voltage 110V-240V -Bristle: nylon -Charge time: 4 hours to be fully charged 5 high-precision brushing modes, including Whitening, cleaning, sensitive, polishing, massage. ①White: For deep clean. ②Clean : For normal cleaning every day. ③Sensitive: For sensitive teeth. ④Polish: For front teeth polish. ⑤Massage: For gums care. ATMOKO rechargeable Electric Toothbrush HP126AB Package include: 1*Electric Toothbrush 8* Brush Heads 1*USB Charging Cable 1*Instruction Manual 1*Protective Bristle Cover