Parameters: "Input voltage: dc5v1a Working voltage: 3.7v-4.2v Charging time: about 80 minutes Endurance: about 45 minutes Operating temperature: 60 - 80 C (first gear blue light 60 degrees, second gear red and blue light 70 degrees, third gear red light 80 degrees) Interface: Micro USB interf Specifications: 1.This electric eyelash clip combines the eyelash clip with the clip and comb,Make your eyelashes look better. 2.Using the attached brush, you will have charming and natural curling eyelashes. 3.Very small size and beautiful appearance. The anti scald design keeps you from being scalded When you use this electric heated eyelash clip. 4.With USB charging function, 350mah battery capacity, charging takes only 1-2 hours, and can be used continuously! Equipped with protective sleeve, there is no need to worry about wrong startup. this The lightweight and portable design makes it easy to put into the bag like lipstick. 5.There are three temperature modes, ranging from 60 to 80 C, which makes the heating Eyelash clip is suitable for all eyelash types. The temperature indicator paper on the eyelash clip can Show you the temperature change process (from blue to red).Double sided heating: double sided design will save more time to heat eyelashes Package Included: 1*eyelash curler 1*USB cable 1*instruction