10 seconds preheating for long-lasting curling. The heating wire is made of -chromium alloy, which has faster heating speed and wider heating area. Multiple temperature protection without damage to the and eyelashes. Curved brush head design is more suitable for eyelashes, and curling effect is better.Double-level temperature design to meet different customer needs. Universal USB charging is more environmentally friendly.Small size is easy to carry around. Name: Eyelash Curler Power Source: electric Item Type: Eyelash Curler Model Number: Electric Eyelash Curler Power supply: USB charging Charging voltage: DC 5V Working voltage: DC 3.7V Rated power: 2.9W Battery capacity 500mAh Charging time: 1-2h Working current: 10-500mA size:137*22*21mm Material:plastic colour:Pink Package Contents: 1 * Eyelasher 1 * USB cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.