30 DAYS REFUND WARRANTY: STYLEADER offers a free replacement or refunds against any manufacturer defects. Please feel free to contact us if you have any questions about our products. LED DISPLAY + CHARGING CORD: StyLeader haircutter has built-in large-capacity lithium battery, which charged for 2hours can be used for 180 minutes. It is safe to charge with the cord. Handheld handle with LED display, real-time display of current mode and power. How to use a comb attachment: Please ensure that the power switch is OFF when loading and unloading the comb attachment. Fasten the combs with different sizes to the cutting head. Please make sure that the front and back are aligned. Press the button at the back of the comb and fasten it to the end of the hair scissors for use. BECOME YOUR OWN STYLIST: 3 different length combs are delivered to control the hair length to meet the needs of various styles. STYLEADER hair clippers are simple to operate, easy to use, with built-in brush, can remove residual hair on the blade and keep the blade head clean. R-TYPE DESIGN: STYLEADER hair clippers are made of stainless steel blade,with sharp, quick and low heat release. With R-type safety cutting head, exquisite design,random fitting, not easy to scratch, strengthen the overall safety of use.