The Pro Series® Stainless Steel High Performance Beard Trimmer for men is a multi-purpose grooming solution tailored for beards, touch-ups, and detailing. The T-Blade trimmer contains self-sharpening blades that help define your style. The Lithium-Ion™ rechargeable power gives you the power to trim freely without being tied down with a cord. Simply plug it in to charge and unplug for up to 4 hours of cordless runtime. Trim at the sink or in the shower with this fully waterproof trimmer. The no-slip silicone grip allows you to maintain control even in the slickest of environments.