The hair Trimmer uses a high-quality stainless steel blade for a more precise, efficient, and smooth cut. This special blade is suitable for all the hair types. By using the 3 adjustable cutting guide combs provided, you can adjust the length of the trim up to a maximum of 3 mm with the help of guide combs. Precision Lengths Adjustments Combs: 1/2/3 mm for desired hairstyles and lengths. USB Type-C Charging Cable: The hair trimmer is completely handy to carry and can be charged anywhere with a power bank or adapter (5V=1A), or computer. Lithium Battery: The powerful 600 mAh Lithium battery allows 120 minutes of wireless cutting with a charging time of only 1.5 hours. The LED display shows the power status and adds an oil reminder.