-It is suitable for oil head, trimming and carving hair shape. Round blade ends is safe to use on scalp and skin while causing no hurt/irritation -Aerbes hair clipper uses stainless steel and sharp steel blade, which can safely trim the beard and hair even if you cut the thick hair without hair pulling or skin damage. Equipped with guide combs for meet different length requirements. -Large capacity lithium battery provides up to 2 hours of run-time, charged through USB, charge anyplace & anytime, makes it ideal for travel and business trips -Power motor makes it won’t drag or stall through heavy and thick hair types -T shaped blade trimmer One-button design simplifies the operation -Imprinted metal handle fits your hand well and gives you comfort as well as good control. Low working sound won’t scare your kids Package Weight: 173g Package Dimensions: 7.5cm x 3.4cm x 13.5cm