The BaByliss For Men Super Groomer 7420U is a professional grade rechargeable trimmer with electro-chemically formed precision blades with an ultra sharp cutting angle for smooth effortless cutting. Lithium-ion technology gives sustained power performance for reliable cordless use, even at low charge levels. Lightweight for easy handling, it can be used with a mains power cord or cordless for total convenience and control and with five professional interchangeable heads for all over trimming and grooming you get a perfect result every time