The DSP Cordless Hair Straightener Brush comes with advanced specifications that make it an ideal choice for convenient and effective hair care. Operates at 5 volts and consumes up to 55 watts of power. Equipped with two lithium 18650 batteries with a capacity of 2600mAh each. Features aluminum plates sized 72 * 26mm, contributing to even and efficient heat distribution. Made of lightweight and durable PET material. Includes an LED screen that clearly displays status data. Takes about 140 minutes to charge, with a usage time of up to 40 minutes after full charge. Designed to be cordless for easy carrying and use on the go. Five heat settings: including temperature options ranging from 130 to 210 degrees Celsius, allowing you to choose the suitable heat level.