The barber trimmer can run for 180 minutes after 3 hours of charging. Kemei 2299 Barber Cordless Hair Trimmer 0mm Zero Gapped Carving Clipper Detailer Professional Electric Finish Cutting Machine | Singapore 【Professional Trimming Blades】Mens hair trimmer use new zero gapped DLC precision carbon steel blade, sharp and safe. (It is recommended to fully charge before first use). Kemei's Professional Detailer Trimmer is specifically designed for extremely close trimming, clean and crisp lines, facial hair detailing and design, with... 【Large Battery Capacity for All-Day Use】Fast USB Type-C charging system. Men's Hair Clipper Kemei KM-2299 Cordless Professional Hair Trimmer Barber Hair Clippers Men You can also trim beards and body hair. 【Create a Variety of Style】The men's hair trimmer is equipped with 3 sizes of guide combs (1/2/3 mm) , suitable for fine trimming, fade, gradient, oil head, artistic carving and other hairstyles.