find the order ID > click "Contact seller". Any questions please feel free to contact us. 5 BRUSHING MODES with BUILT-IN SMART TIMER toothbrushes - White / Clean / Sensitive / Polish / Massage to fit different gum sensitivities and meet different uses. Smart Vibrating Notification Timer, 2 minutes full time & every 30 seconds interval reminding you to move to the next quadrant of your mouth, YUNCHI sonic toothbrush make it so easy to develop a good brushing habit which highly recommended by dentists. IPX 7 WATERPROOF with FAST CHARGING LASTS for 30 DAYS - One 4 hours full charge will last 30 days of normal usage (2mins/2 times per day). Large battery capacity, Automatic shut-down, Low battery reminding, and a travel case (just included in 10Brush heads kit), all makes YUNCHI battery toothbrush so easy to use at home & travel. IPX7 waterproof tooth brush, no worry short battery life, you can use it at bath and shower."> 40000 VPM Powerful Electric Toothbrush for Adults - YUNCHI Y7 sonic toothbrush electric, 2021 NEW UPGRADED high frequency power through vibration & SOFT DuPont NYLON BRISTLE, help you to removing plaque, smoke stains, tea and coffee stains, etc. Keep using our sonic electronic toothbrush for 2 weeks, you can obviously have healthier and cleaner teeth. 1 YEAR WARRANTY & IDEA GIFT for Family Friends - Buy it with Confidence. YUNCHI Electric Tooth Brush, Your Home Oral Care Guard. Package Include for 10 Brush Heads kit: 1* Electric Toothbrush Handle, 10* Replacement Toothbrush Heads, 1* USB Charging Cable, 1* Travel Case, 1* Manual. 【CONTACT US】Login your amazon account > choose "Your orders" > find the order ID > click "Contact seller". Any questions please feel free to contact us. 5 BRUSHING MODES with BUILT-IN SMART TIMER toothbrushes - White / Clean / Sensitive / Polish / Massage to fit different gum sensitivities and meet different uses. Smart Vibrating Notification Timer, 2 minutes full time & every 30 seconds interval reminding you to move to the next quadrant of your mouth, YUNCHI sonic toothbrush make it so easy to develop a good brushing habit which highly recommended by dentists. IPX 7 WATERPROOF with FAST CHARGING LASTS for 30 DAYS - One 4 hours full charge will last 30 days of normal usage (2mins/2 times per day). Large battery capacity, Automatic shut-down, Low battery reminding, and a travel case (just included in 10Brush heads kit), all makes YUNCHI battery toothbrush so easy to use at home & travel. IPX7 waterproof tooth brush, no worry short battery life, you can use it at bath and shower.