Cheap And Discounts For Xiaomi Mijia Sonic Electric Toothbrush Heads T300 T700 T500 Whitening High-Density 3D Replace MES601/MES602 Brush Head Wholesale. Buy Directly From Merchant YiLY Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.