Cheap And Discounts Boyakang Smart Sonic Electric Tooth Brush 6 Cleaning Modes Smart Timing IPX8 Waterproof Dupont Bristles Induction Charging Wholesale. Buy Directly From Merchant Boyakang Personal Care Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.