Only 5V/1A Adapter:Please use a 5V/1A adapter with an input voltage not higher than 5V 1A (not included) for charging. Over 5V/1A may trigger Over Voltage Protection,which causes hair clippers can not charge All In One Hair Clipper & Trimmer Kit : GLAKER cordless barber kit features a powerful hair clippers and a detail trimmer for achieving all hair styles . Hair clippers for men professional well suitable for professional barbers as well as home use Ideal For Fading & Blending: Men’s hair clippers comes with adjustable fade lever(0.5-1mm) and includes12pcs guard combs(1/16”, 1/8”, 3/16”, ¼”, 3/8”, ½”, 5/8”, ¾”, 7/8”, 1”,left and right ear taper), 3pcs hair trimmer guide combs(1/2,1,1½）allow you for blending and precision short cuts Heavy Duty Motor & Self-Sharpening Blades: GLAKER electric cordless hair clippers includes its heavy duty motor ensures over 6500rpm, allows for exceptional power and durability. And glides through the thickest hair without snagging or pulling, and the self-sharpening stainless steel blades can offer an effective haircut Extra-Long Battery Life & LED Display: Hair clippers for men professional can run up to 150 minutes for multiple cuts on a single charge. LED display clearly shows the remaining power, the charge status, and lubrication reminders. Both hair clippers and trimmer support corded & cordless use Premium Accessories Included : This professional barber clippers sets comes with a cordless hair clippers, a T-blade hair trimmer and premium accessories,including storage bag, 12pcs hair clippers guard attachments (1.5-25mm & left/right ear taper), 3pcs hair trimmer guards(1.5-3mm), barber cape, comb, cleaning brush, USB cable