Description: USB charging heating roller, can charge from portable battery or computer Easy and fast to styling, just 2 minutes to roll out the perfect bangs Compact size, perfect to take it along, can use anytime and anywhere Suitable for bangs roll and hair tail roll, won't hurt your hair Please use more than 1.8V current device to charge it Specification: Voltage: 5V Electric Current: 1.8A Size: approx 11.8 x 6.5 x 4cm / 4.65 x 2.56 x 1.57 inch Material: Plastic Color: Blue Package Includes: 1 x Hair Roller 1 x USB Cable