The hair trimmer uses high-quality stainless steel for a more efficient, precise, and smooth cut. The special blade is suitable for all hair types. Using the three adjustable guide combs provided, you can adjust the trimming length up to a maximum of 3 mm. Adjustable combs for precise lengths: 1/2/3 mm styles and lengths. USB Charging Cable: The hair clipper is completely portable and can be charged anywhere using a power bank, adapters (5V = 1A), or computer.