Attention: Due to the upgrade of Fairywill official design, you will receive the different versions of our black color of507/D7/D7S in different warehouse with good quality.
China warehouse : D7S (suitable for FW-E11 toothbrush heads)
Warehouses in ES/FR/PL/RU/SA/US : D7/507 (suitable for FW-01/02/03/04/05/06 toothbrush heads)

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 Rated Waterproof Design. 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.

	Color Reminder Bristles The brush heads will remind you to replace your brush head through blue indicator bristles. Gentle on your gum and blue indicator bristles fade in color to let you know when it's time to replace the brush head.	Fantastic for Travel 4 hours charge for minimum 30 days use, you can bring the brush without a charger when you are traveling.USB charging, safe and easy, auto shut off after full charge, compatible with any charger or equipment with a USB port.

With 8 brush heads that lasts 3 months each they will last you for over 24 months, this is a good option for families.

40000 Micro-brushes per minute

5 Personalized Models

4-Hours Fast Charge

IPX7 Waterproof

A 2 Minutes smart timer