Features: 1Using high quality silicone brush head it is soft elastic and bite resistant safe and odorless and will not harm your baby's gums. 2Effective waterproof design it has IPX7 protection level you can wash directly without worry it can be used when the baby is bathing safe and reliable. 3Four layer design its U shaped brush head has four layers which can penetrate deep between the inner teeth and clean them thoroughly without leaving any food residue. 4Equipped with a 300mAh 18650 lithium battery it can last for a long time after a single charge extending your use time without having to charge multiple times. 5Using high quality ABS material it is durable lightweight and portable and can be easily used in various situations without taking up additional space. Specification: Item Type: Smart ToothbrushMaterial: ABSWeight: Approx. 102g / 3.6ozRated Power: 5WRated Current: 250mABattery Capacity: 300mAh 18650 Lithium Battery (Battery Included)Product Size: Approx. 9.2x5x5cm / 3.6x2.0x2.0in Package List: 1 x Electric Toothbrush1 x Manual1 x Charging Cable1 x Toothbrush Head