1. Multi-Purpose Use - The high-quality stainless steel blades are gentle and hypoallergenic, and quickly and comfortably, painless, safety shave sensitive skins. 2. USB Rechargeable provides 180mins of long-lasting power to help trim the hair, stylish and portable design Lightweight and perfect for travel and home use. 3. 4 interchangeable heads easy to change the trimmer heads whether you are using it for eyebrow trimming or getting rid of other unwanted hair in different areas of the ear or nose, face, lip, body.