DESC: SteelWave Technology (Philips Norelco's revolutionary SteelWave self-sharpening blades ensure a precise and even trim every time).Powerful vacuum with hair deflector captures cut hair for no clean-up.Ergonomic design means T980 is easy-to-use with complete control for the most comfortable trimming experience.Clearview hair chamber makes it easy to see when the T980 needs to be emptied for optimal performance.Charging Adapter and Cleaning Brush included