Cordless Styling, Ultimate ConvenienceEnjoy sleek, straight hair anytime with the Carmen Ebony Rechargeable Hair Straightener Brush. Powered by a long-lasting 21700 battery and featuring an LED temperature display, it heats up to 200degC for smooth, salon-quality results-no cords needed.Rechargeable 21700 battery (3.65V, 4000mAh)LED temperature display for easy controlMaximum heat of 200degC for effective styling