New Portable Hair Straightening Comb, USB rechargeable, 4000mAh battery, includes charging dock. Intelligent digital temperature control, dual use for straightening and curling, long-lasting hold without damaging hair, BLACK**Pro Version 2 in 1 Styling Care Brush: Straight and Curl Dual Use, One Stroke Styling, Long Lasting Hold** This upgraded straightening and curling styling brush features MCH rapid heating technology for fast and stable temperature rise, combined with an NTC intelligent temperature control system. It offers three adjustable temperature settings and displays the real time temperature on an LCD screen, providing precise care for different hair types