Power Source: USB rechargeable lithium-ion battery for cordless operation. Heating Chamber: Features a ceramic tourmaline barrel that protects hair from heat damage. Smart LCD Display: Shows the temperature settings, battery level, heating status, and timer. Directional Control: Includes buttons to select left (L) or right (R) rotation for symmetrical curls.Custom Settings: Offers up to 6 adjustable temperature modes (typically ranging from 150°C to 200°C) and multi-second timers.