When you want to look your very best, Philips has the right grooming solution for you. Philips combines technology with design and the trimmers last up to four times longer, compared to ordinary trimmers. Philips Beard Trimmer Cordless QT4005/15 delivers an effortless, even result time after time. Self-sharpening blades are long lasting and stay as sharp as on day one, while rounded tips and combs are gentle on your skin preventing irritation. Please follow the product literature provided with the product.