Design and Materials: The trimmer is made of durable ABS material and features a stainless steel blade for effective trimming. It has an ergonomic design for a comfortable grip and easy handling. Performance: It is designed for precision trimming and includes an adjustable planner and an adjustable angle feature for a customized grooming experience. The trimmer is also described as being skin-friendly to prevent irritation. Power: The device is powered by a single, replaceable AAA battery.