?365-Day Warranty?: Every loyal customer who has used YIRISO products believes that cutting longer hair to less than 3 mm first can avoid hair pulling and help reduce shaving time. If your skin feels slightly irritated by the razor after use, give yourself 1-2 weeks to adjust and your skin to adjust to the new razor head, You can also use a mild moisturizer to minimize Skin irritation. We promise 12 months warranty. During this time, if you have any questions, please feel free to contact us. ?IPX7 Waterproof & Smart Screen Display?: The entire body of the electric shaver is waterproof. This men's electric shaver can be used for wet or dry shaving, and can be rinsed directly with water, you can also use foam gel shated when showering. It has 4 smart screen prompt functions, and a battery prompt And cleaning reminder, smart travel lock icon, mode switch(the high-speed mode acceleration symbol light stays on). It automatically remembers the last used mode when turned off. ?180-Minute Shaving Time & Type-C fast charging?: This cordless shaver is compatible with all standard Type-C power adapters and can be connected to computers, power banks, cars, and other USB devices for safer and more convenient use. After approximately 2 hours of charging, it provides up to 180 minutes of shaving time. Enjoy easy charging at home or on the road, and with its sleek black design, it's perfect for every businessman and traveler. ?360° Flexible Floating Head & Precision Blade?: The Yiriso 4D floating shaver head is designed for shaving and grooming, equipped with double-ring floating electric shaver heads made of aerospace-grade stainless steel. The high-speed motor with 9800 RPM and a dual-rail ultra-thin blade mesh. This electric shaver effortlessly glides along the contours of your face, neck, and even jaw, achieving a fast and efficient shaving effect. ?3-in-1 Shavers for Men?:This electric razor, including three easily removable heads, with men's electric shaver, nose hair trimmer and sideburn trimmer. Meet our daily shaving, cleansing and reshaping sideburn needs. The shaver is ergonomically designed and very easy to hold, making it perfect gift for your husband, boyfriend, father, elders and yourself. The package comes with a dust cover, which is very convenient to store and carry when traveling at home.