These are Kiki New Gain Professional Cordless Hair Clippers (Model NG-888B) designed for professional barber use.The clippers feature a 2000mAh lithium battery that provides up to 300 minutes of working time after a 4-5 hour charge.Equipped with a 6000 RPM high-tech permanent magnet motor, the device includes an LED battery display and a zero-gapped blade capability.