Hair Trimmer Beard Clippers Professional Barber Cutting Cordless Machine Feature: ----Compact size, portable, easy to carry on trip. ----Washable round knife head, small knife teeth. ----Rechargeable:18500 Lithium-ion battery delivers over 120 minutes of nonstop run time; charges in just 2 hour. ---Features constant speed technology; won't drag or stall through heavy and thick hair types. ---Turn on with light touch no more button or switches. Metal non-slip skeleton for easy line ups and edge lining. ---D8 original knife head with and smooth metal blades is suitable for oil head, trimming and sculpture. --- Applicable to men, women, baby, children, barber shop. Tips: 1.our product comes with a USB cable 2.Lubricating oil is liquid, belongs to the contraband goods, the airline and customs don't accept transit ,