Optimized Blade Angle – A revolutionary, unique mens hair clipper blade angle of 15 degrees, allows you to give yourself a haircut at any angle including the back of the head, top and sides making it an ideal at home head shaver. Snap-N-LockTM Attachment Guards – Featuring 12 haircutting guide combs for goof proof haircuts ranging in sizes from 1/16” – 1”. Versatile Grip – For ultimate comfort, the soft touch grip was designed to provide you with optimal hand grip comfort regardless of holding position. Lithium Power – Rechargeable cord cordless haircutting power, allows for up to 2.5 hours of run time on a full charge. Plug in to charge and unplug for cordless use or keep it plugged in for a constant stream of power. Smart Charge LED – When your hair clipper needs a charge, the Smart LED will flash red indicating a low battery. To charge, simply plug it in and the LED will change to a solid red. When fully charged the light will turn blue. Easy Clean Blades – The removable stainless steel self-sharpening blades allow you to easily rinse off hair under the sink to keep your blades clean.