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)
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