Features: 1.10-15 seconds warm-up, long-lasting curls. 2.The heating wire is made of nickel-chromium alloy, which has a faster heating speed and a wider heating area. 3.Multiple temperature protection, do not damage the skin and eyelashes. 4.The curved brush head design is more suitable for eyelashes, and the curling effect is better. 5.The temperature of four gears can be adjusted to meet the needs of different customers. 6.Universal USB charging is more environmentally friendly. 7.Small size, easy to carry. Specifications: Product name: electric eyelash curler; Output voltage: 3.7V; Charging voltage: 5V; Charging method: USB charging; Weight: 0035kg; Working temperature: low-end display 40; High-end display 90; Battery capacity: 360mAh; Product size: 144*30.4*28.9 Packing list: Eyelash curler * 1; Instruction manual * 1; Cleaning brush* 1; USB charging cable* 1