Description Cordless Hair Straightener Brush: The hair straightening brush has battery is 2000 mAh (total is close to 10000 mAh) for long battery life and provides convenient USB Type-C charging. Small size, light weight, easy to carry around the world. Usable for 2-3 times on a single charge. Use it anytime and anywhere, get rid of the trouble of wires. With Display: This hair straightening comb comes with a display that allows you to visualize the progress of temperature rise and remaining battery life.Press the switch once to toggle the upper temperature limit. .
eBay