Feature: 1. Strong Curling:Heated eyelash curlers is a concave convex gear type, which can curl strongly, fit the eyelash curve, and curl eyelashes easily. 2. Intelligent Temperature Regulation: Electric heated eyelash curler has three levels of intelligent temperature regulation. With the principle of temperature difference, different temperatures can bring you different experiences. 3. 360 ° Design: Eye lash curler adopts 360° design, which makes eyelashes curl easily. Uniform brush head can easily create eyelash shape. 4. 260mAH Battery: Heated eyelash curlers has a built in 260mAH lithium battery, which can be used many times. And once charge, it can be used for 30 days,thus getting rid of the problem of repeated charging. 5. Lasting Effect: USB heated eyelash curlers are made of high conductivity nickel chromium heater, which can be used with mascara to make eyelashes thicker and longer. Specification: Item Type: Heated Eyelash Curlers Material: ABS, Electronic Components Battery: Built in Lithium Ion Battery 260mAh Product Size:Approx. 141 x 24 x 22mm / 5.6 x 0.94 x 0.9in Charging Voltage: 5V Working Current: 150-350ma Output Voltage: 3.7V Charging Time: 2 Hours Usable Time: 30 Days Temperature: 65℃, 75℃, 85℃, Adjustment First Level 65 ℃ Low Temperature, Suitable for Soft and Short Eyelashes Second Level 75 ℃ Medium Temperature, Suitable for Normal Eyelashes Third Level 85 ℃ High Temperature, Suitable for Thick and Hard Eyelashes. Package List: 1 x Heated Eyelash Curlers1 x USB Charging Cable1 x Cleaning Brush1 x User Manual Note: Shipped with built in battery.