Get a perfect yet protective trim, time after time with the Philips Discovery wet and dry beard trimmer. It is designed to be charged with any micro-USB cable. The stainless steel blades are self-sharpening, giving you a hassle-free experience and long-lasting sharpness. Model number: QT3310/13. Performance and precision: Get a 3-day shadow look of 1mm or a full beard of 10mm, in precise 1mm steps or remove the comb and get the zero trim look of 0.5mm. The skin-friendly blades have rounded tips and combs to help prevent skin irritation. Ergonomic design. Grades: 0.5-10mm. Worldwide voltage. 8 hour charge time for 30 minutes usage. Washable heads. 1 attachment: stubble comb. 1 head. Cordless use. Accessories include: cleaning brush, 2 pin adaptor . General information: Rechargeable battery powered. Rechargeable . Manufacturers 2 year guarantee.