Trim-tanto-flow technology for continuous cutting; our innovative guide comb has been designed to prevent hair from getting stuck in the hair clipper; so you can continue cutting hair from start to finish, without interruption. Double edge blades for twice as fast cutting; trim any hair type with our advanced dual cut technology: an innovative bilateral cutting unit that cuts hair twice as fast as unilateral blades Self-sharpening blades (stainless steel); self-sharpening stainless steel blades last incredibly long; even after 5 years, cut just like the first day 13 easy to select and lock length positions: 0.5mm to 23mm; just select and lock the length you want; the adjustable comb guide has 12 length positions between 1mm and 23mm, with a precision of 2mm between each length; remove the comb guide for a tight cut of 0.5mm 75 minutes of cordless use after a charge of 8 hours; the powerful nimh battery of the hair clipper provides up to 75 minutes of cordless use after 8 hours of charging and offers you maximum power and freedom Ergonomic handle for comfort and control; the 3000 series has been designed with ease of use, ease of handling and ease of operation; special texture and handle allow you to easily move the hair clipper and trim the entire head Quick-release blades for easy cleaning; just detach the detachable head to remove and wash the blades No maintenance or oil required; no oil required, offering easy maintenance and saving time 100-240 V (Suitable to use anywhere in the world), Plug adapter will be sent for free!