New USB wireless charging hair straightener   Curling and straightening electric hairpin curling bar hair straightener            product details    Product Name: wireless splint hair straightener   Material: PC, PA66   Charging cable: Mini USB charging cable (1m)   Charging time: 3-4 hours   The working time is 20-30 minutes   Battery: 18650 lithium battery   Battery capacity: 3.7v-2600ma   Temperature: 165 ° C、185 ° C 、205 ° C (display is measured temperature) can be adjusted freely   Usable time: due to the influence of temperature and environment, standby time is 45-60 minutes when fully charged   Fuselage weight: 185g   Heating body: 6.3cm long and 1.7cm wide   Power off protection: power off automatically after 40 minutes   Power on Protection: with power on protection function, if the temperature is not adjusted after the switch is turned on, the product will shut down automatically within 15 seconds   Temperature memory function: with memory function   Heating speed: 2-3 minutes, fast, about 2 minutes to reach 205 ° C