Innovative electric hair brush DSP with wireless operation and long battery life for ultimate comfort of use. Ideal for easy straightening and styling, for a smooth and shiny result, with visibly less hair damage compared to straightening irons. Power 55W, Voltage 5V, Equipped with 2 rechargeable lithium batteries 18650 with a capacity of 2600mAh/piece. Charging time: 140 min Battery autonomy: up to 40 min Adjustable temperature from 130 to 210°C, LED digital display, USB Type-C charging port, Comb dimensions: 72 * 26mm, Device dimensions: 16*3cm. User manual in English included.