Bristle stiffness: Soft Power type: Rechargeable Charging Time: 4 Hours for 30 days Frequency: 40000 strokes/minutes
Sonic technology: With the power powerful ultrasonic cleaning technology you will get A Cleaning That Is So Thorough You Will Feel As If You Just Got Out Of The Dentist's Chair. The W Tooth-Waved Bristles are made with Dupont nylon, to suit teeth topography for thorough cleaning of gums and hard to reach areas
A 2 minutes timer: Built in 2 minutes smart timer with interval pauses reminding you to change brushing area every 30 seconds to encourage a healthy brushing habit. Automatically shuts off when two minutes is up.
IPX7 Waterproof: Water-resistant of this Model up to IPX7. The entire toothbrush can be rinsed with water, safe and convenient. Waterproof to be used at bath and shower.