Features 2 minutes smart brushing timer 30 seconds pausing reminder Prevent tooth decay Clean and whiten teeth Fresh breath improve gum health High speed sonic waves 6 times cleaner than manual brushing USA DuPont material toothbrush head comfort and no hurting your teeth Massage electric toothbrush enjoy brushing your teeth Description Item Type Sonic Electric ToothbrushBrand LanSungStyle U1Shape 01 02 03 04 05Toothbrush Head Material DuPontWaterproof IPX7Decibel Less than 50 db very quietVibration Frequency 31 000 times minCharging time 3 4 hoursWorking time 2 times per day 125s per time can last over 5 weeksCharge Parameters USB charger DC5V 130mAClean Modes A CleanB WhiteC Gum CareOperate Temperature 0℃ 40℃Size About 202 223 22 3mm Package Included 1 X Toothbrush handle4 X Toothbrush head1 X USB Charger CableNotes 1 The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness 2 Please allow slight deviation for the measurement data Replacement Toothbrush Head ID 1124297LanSung B60 Replacement Electric Toothbrush Head for U1 A39 A39plus SN901 SN902 A1