The only straightener with flexing plates that shape to gather hair,Dyson cord-free enhanced styling, half the damage,LED screen, displays Battery level,Temperature & charge status, flexing plates enable shiny, straight result with less heat 50% breakage, less frizz and fewer flyaway, intelligent heat control, sensor system regulates temperature of the plates 100 times a second, ensuring constant power so heat never exceeds your chosen setting, cord free powered by 4-cell lithium-ion battery, Charge time : 40 min, cord-free run time: depends on the hair type