Feature:1. Its gear has a memory function, the toothbrush will remember the selected mode after each use.2. 2 minutes timer function, 30 seconds pause to replace the tooth area.3. IPX7 waterproof body, no need to worry about the influence of water.4. 5 modes: clean, polish, brighten, gum care, sensitive.5. It can be charged and used, safe and reliable.Spec:Condition: 100% Brand NewItem Type: Electric ToothbrushMaterial: ABSAvailable Colors: Pink, White, BlueMode: Clean, Polish, Brighten, Gum Care, SensitiveVoltage: 3.7VPower: 1WCharging Time: 8 HoursWaterproof Level: IPX7Battery Capacity: 500mAhHow To Use: Press The Key To Start, Press The Key To Switch The Gear After Starting, Press And Hold For 3 Seconds To Turn Off The Work Package List:1 x Toothbrush Host 4 x Toothbrush Head 1 x Toothbrush Cover 1 x Charging Base Note:1. There is a certain gap between the brush head and the main body of the toothbrush, which is required for the normal operation of the toothbrush head and does not affect waterproofing.2. To achieve a better brushing effect, it is recommended to replace the brush head every 3 months.3. When the bristles begin to bend outward, it is also recommended to replace the brush head.