Technical Qualifications Precision correction Length settings 11 (0.5 - 16 mm) Cutting performance Self-sharpening steel blades ,BeardSense technology Ease of use Charge USB-A Charging (5 V/1 A) Maintenance-free Knife oil is not required Don't study It is only used without a cord Screen Low battery level indicator ,Charging full indicator ,Battery charging indicator Wet and Dry It can be used in the shower. Design: Body Ergonomic rubber grip handle Power Working time up to 120 minutes Charging method USB-A (adapter is not included) Maximum power consumption 5 W Input Voltage 5V Charge 60 minutes , fast charging in 5 minutes Battery type Lithium-ion Versatile style Number of apparatus 10 Forming apparatus Steel trimmer ,Precision steel trimmer ,Nose and ear hair trimmer ,2 dirty beard combs ,3-7 mm adjustable comb ,3 hair combs ,1 body comb Accessories Soft pouch ,Cleaning brush ,USB-A (Adapter not included)