10 seconds preheating for long-lasting curling. The heating wire is made of nickel-chromium alloy, which has faster heating speed and wider heating area. Multiple temperature protection without damage to the skin 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 Type:Eyelasher Power Source: electric Item Type:Electric 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 Colour:White Material:plastic Package Contents: 1 x Electric eyelash curler 1 x USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.