The Wahl Elite Beard Trimmer kit features a rechargeable lithium-ion beard trimmer with convenient USB charging for cordless use. The trimmer includes our self-sharpening T-blade that stays sharper longer compared to the competition and adaptive speed control for constant blade speed. The lithium-ion rechargeable battery runs up to 2.5 hours on a single charge and has a smart LED charging indicator to let you know when the trimmer needs charging. Create any beard style you want with the included 9 guide combs to achieve up to 18 different cutting lengths. With our 5-year limited warranty, you can be confident you are buying a high-quality beard trimmer.