?Featured ? Multifunction: This 2 in 1 eyebrow trimmer contains two different cutter heads which can be replaced at your will. One for all your needs. ? Painless: 100% painless and safe. Sharp stainless steel precision blades deliver a perfect shave close to your skin without causing any pulls, nicks, prosfia redness or irritation. Care for your tender skin. ? Portable: Portable and lightweight, small enough to keep it in your handbag, bag or clutch at all time. You can use it anytime and anywhere. ? USB Rechargeable: No battery needed. The universal usb charging line is suitable for a variety of devices with USB ports. Just as convenient as your cellphone. ?How To Use 1. Be sure that the skin where you plan to shave is clean. 2. Move it gently and slowly in circular movements on the skin. If using the eyebrow trimming head to shave the eyebrow, remove unwanted hair along eyebrow shape. 3. For longer hairs, it might take a few shaves to get the desired result. 4. The cap of trimmer can be separately removed and washed, or cleaned with a cleaning brush. How To Replace The Cutter Head ? Turn counter clock wise to unscrew the original cutter head. Then Install another cutter head and tighten clockwise.