1Various charging methods, it can be charged by a power bank, a computer, etc. 2Has strong adhesion and not easy to drop, can create a perfect hair styling at any time. 3Bangs, hair root, hair tail can be used, free to create the shape you like. 4No damage to your hair, can effectively protect your hair from damage. 5Light weight and compact size is easy to use and carry outdoor. }Condition: 100% Brand New Material: ABSColor: Pink Item Type: Electric Hair Roller Size: Approx. 8.5x3cm/3.4x1.2in Usage: Plug the USB power cord into the computer or power bank, and pull out the wire after 3-5 minutes, you can use to take the right amount of hair, with the hair coil from the tail, about 3 minutes or so, and then take the roll.1 xElectric Hair Roller1 x USB Cable1 x ClipWill not feel too hot after heating, this one is for curling bangs, please try to use the charger with a current of 1.8A or above to charge the product, if using the charger with a current of less than 1.8A, it will take a little longer to charge, or it will not charge.