The Philips Norelco Beard Trimmer BT7500 is a premium beard and stubble trimmer featuring a powerful vacuum that captures up to 90% of cut hair, Dual Cut steel blades; 75 minutes of Lithium Ion run time, 20 lengths and a Precision trimmer attachment. The integrated vacuum system catches up to 90% of cut hair for less mess. The high-velocity motor and fan system creates powerful suction to lift and capture hairs for an easy clean. The Dual Cut pro system steel blades are designed to effectively cut each hair perfectly, prevent skin irritation, and are self-sharpening to cut more hairs in every pass for faster trimming. 20 lengths, Spin the zoom wheel to lock in 20 length settings. Includes Precision trimmer attachment for detail trimming. Advanced lithium-ion battery delivers maximum power for high performance cutting. Charge your beard trimmer for an 1 hour to get 75 minutes of cordless use. Ideal to get the look you want for your beard, mustache, stubble, or even to finish styling your hair cut.