Smart high frequency sound wavesThree-speed cleaning modeBuilt-in lighting spotlightsProduct Specifications: Operating frequency 37KHZ+/-3KHZCharging voltage DC5.OVRated current 0.15ARated 0.8WWorking temperature 0-40Charging time 2.5hService life 8000HBattery capacity 500mAhPlug Type: Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on.size: 19 x 3 x 3cmMaterial: ABS+PCcolour: WhitePackage Contents:1 x Tooth flosser, 1 x sharp elbow,1 x flat elbow, 1 x open-end wrench,1 x charging cable, 1 x English manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.