The Black Graphite Deep-Tooth T-Blade (FX707B2) is hypoallergenic and boasts high strength with a lower blade temperature. It features an N1 brushless motor and dual bearings for increased efficiency, operating at 7,200 RPM or 14,400 SPM. The blade has a long lifespan and comes with an interchangeable lithium battery (FXBB24), offering up to 3 hours of runtime. A button allows for quick battery release, and a 4-stage LED ring indicates battery life. The design includes an improved all-metal housing, an ergonomic finger rest, and a removable hair pocket door. The grip is a knurled metal barbell style, and the end cap is tapered with a hidden hanging hook. The package includes a dual-voltage battery charging base and battery, with a limited 2-year warranty.