First Cordless Flat Iron to reach 180 degree in 17 second and can be used more than an hour with single charge! It works on a Lithium Ion 3.7V 2200mA cell which takes a total charging time of 2 hours and 10 minutes and can be used for a maximum of 80 minutes, which is not available in any other cordless flat irons. The negative ion ceramic tourmaline plate has a plate size of 0.87 x 2.6 inches which reaches a temperature of 180 degrees in about 17 seconds. First Cordless Hair Flat Iron in the World to deliver this performance!