This provides stainless steel blades the rechargeable shaver trimmer razor is equipped with blades made with stainless steel which requires zero maintenance but provide ultimate durability. the rust-free blades are also very easy to clean and maintain. cordless usage although the rechargeable shaver trimmer razor comes with a cord, you can use it without the cord as well. the cordless feature makes this device a very portable one. just pop it in your bag and you are ready to face the world! rechargeable battery the lithium-ion battery is rechargeable. the epilator can be used in a cordless fashion after thirty minutes of full charge