Xiaomi Mi NUN4010GL

Rust-free and metal-free plantingUnlike the common brush head made from metal planting hair, the Xiaomi Brush Head adopting the high-density metal-free planting technique, which well solves the rust problems from the contacting between toothpaste and metal brush. Flexible brush, highly efficient cleanWith the advanced brand-new planting techniques, the bristle quantity is increased by 40% cooperating with the flexible head to reach the hard-to-reach interdental areas, so as to meet various daily oral clean needs. 3D arc-shaped brush head designDesigned with 3D arc-shape, it is easy to clean the debris between the Interdental teeth and gums, better fitting on teeth and to clean in multi anglesSanding every bristle for gums careWith sanding polished Mi Home brush bristle, top edge is rounding and approximately round for better avoiding from scratching the gums or damaging the teeth surface. American DuPont premium bristleAdopting selected American DuPont StaClean 0.152mm premium disinfection bristles, it owns the FDA certification. Additionally, Mi Home disinfects the brush, head with UV sterilization and vacuumed package to guarantee each brush head safe and clean. Considerate reminder of 90 days replacementAlways forget to replace the brush head? Don't worry, Mi Home well solves the problem for you. It is easy to check the remaining lifespan of your brush head (it will count down from 90 days) and you can also purchase the new brush head just by clicking on the APP, more time-saving. Perfect fit insert design, easy to installOnly to align the brush head with the press button, can you install it into the toothbrush handle with a certain gap between the two pieces.