BEST TRAVEL COMPANION -- Our electric toothbrush comes with a travel storage box and a USB cable.^ High frequency sound vibration: The brush head vibrates with 3400 brush head movements per minute, can quickly form flow pulses and helps to thoroughly clean your teeth^ Strong battery life without frequent charging: When the product is fully charged, it can last 7 to 15 days and can be used for a long time. You need to charge it frequently, which is also suitable for your business trip or trip.^ BEST TRAVEL COMPANION -- Our electric toothbrush comes with a travel storage box and a USB cable.^ The toothbrush's nano-coating provides a comfortable gripping experience, IPX7 waterproof allows you to use it while showering, and ultra-quiet design, less noise than other electric toothbrushes on the market.