There is a safety lock at the end of the cordless hair straighteners, press the safety lock in to close the cordless hair straighteners and press it out to open the hair straighteners. 【4 Adjustable Temperatures】The cordless hair straighteners is equipped with 4 temperature levels: 140℃, 160℃, 180℃, 200℃, which is suitable for all hair types, no matter it's long, short, coarse or fine hair.
