Clean up lines around ears sideburns and neckline with precision and ease with the Oster Professional Cordless T-Finisher Hair Trimmer. This cordless trimmer uses a long-lasting lithium-ion battery to bring you the performance you know and love from the iconic Oster T-Finisher. With an improved ergonomic design and a durable high-quality construction with break-resistant housing this Oster trimmer is ideal for professionals who cut hair all day. The lithium-ion battery provides extra-long battery life with over 180 minutes of run time for use with or without the 8-foot cord. Designed with a powerful high-torque motor that cuts through all hair types and a sharp T-Blade that finishes off any cut perfectly. The stainless steel blade is designed to provide better visibility while in use trim smoothly through the thickest hair and adjust to be zero-gapped. Its adaptive speed control automatically adjusts to maintain power for an even cut when cutting dense hair.