The hair Trimmer uses a high-quality Precision Blade for a more efficient, superior, smooth cut. The special blade is suitable for all hair types. By use of the 4 cutting guide comb provided, you can adjust the length of the trim up to 0mm to 2.0mm without guide combs and 3mm to 12mm with guide combs. Precision Lengths Adjustments Combs: HIN 3/6/9/12mm hairstyles and lengths. USB Charging Cable: The hair trimmer is completely handy to carry and can be charged anywhere with the USB cable. Lithium-ion Battery LED Indicator: The powerful lithium-ion battery allows 150 minutes of wireless cutting with a charging time of only 2 hours. The LED display shows the battery capacity and the charge status.