Instantly whitens and cleans teeth for a confident smileMaterial: ABS.Power supply mode: inductive charging.Control mode: Button type.Maximum power: 2w.Electric Toothbrush Type: acoustic.35,000 times/min high frequency vibration.Duration: 14 days (2 minutes each morning and evening).Waterproof Grade: IPX7 class body waterproof.Intelligent timing: 2 minutes shutdown.Thank you again for your patronage and look forward to becoming friends with you. I wish you all the best! If you receive the baby with quality problems, we will unconditionally return the goods for you, please rest assured that we will give you a satisfactory answer