15 blades sharp stainless steel turbo swirl blade, specialized in hard beard, 0.1mm thin stainless steel foil, double-ring 3D blade net, increase shaving volume, sliding arc surface is smooth and adhere to the skin, remove hair from the root. The motor speed is as high as 6600rpm, twice that of ordinary electric shavers, and the shaving is accurate and safe. Even in the low power state, the motor speed can be fixed, effectively preventing the beard from getting stuck in the shaver, providing a painless shave. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.