"Smart Micro-Vacuum System: Efficient Cleanup: The trimmer is equipped with a Smart Micro-Vacuum System that clears away clipped nose, ear, mustache, and facial hair particles as you trim. Mess-Free Grooming: Ensures a clean and tidy grooming experience by effectively whisking away hair clippings. Versatile Trimming: Multi-Functional: Comfortably removes nose, ear, and unwanted facial hair, providing a comprehensive solution for grooming needs. Detailing Capability: The trimmer is versatile enough to detail beard and eyebrows, offering a complete grooming experience. Dual-Edge Blades: Curved Hypoallergenic Blades: The stainless-steel blades are curved, ensuring safe and clean cutting without causing irritation to the skin or pulling hairs. Gentle Precision: The design of the blades enhances precision while minimizing discomfort during use. Battery-Powered Convenience: Battery Requirement: Powered by 1 x AAA battery (not included) with a power rating of 1.5 V. Portable and Easy Operation: The battery-powered operation ensures convenient usage, making it suitable for use at home or on the go."