2 In 1 Curling And Straightening Dual-Use Mini Multi-Function Hair Straightener, Colour : Blue 1. Material: PC+PPS 2. Working voltage: DC 3.7V 3. Power: 25W 4. Charging voltage: DC 5V 2A 5. Heating method: PI 6. Gear position: three gears (160 degrees Celsius180 degrees Celsius200 degrees Celsius) 7. Function: Three-speed temperature control +5V output 8. Charging time: DC5V 1.5A about 5 hours, 1 hour for one charge 9. It is about 2-3 minutes when it is turned on and warmed up to 200 degrees 10. Say goodbye to frizz, the constant temperature will not hurt your hair 11. Using PI heating technology, rapid heating, automatic constant temperature 12. The comb teeth are heated three-dimensionally to expand the combing area 13. Sleek and anti-scalding comb design, non-tangled hair, high temperature resistance 14. 4000 mAh large-capacity lithium battery, USB charging for long-lasting battery life, meeting the time required for multiple modeling 15. Weight: 185 grams 16. Product size: 200x33.5x37 mm