Three in one negative ion hot air comb, 3-speed temperature controlled styling comb, multifunctional blowing combWorking mode: hair dryer+straight hair+styling three in oneTemperature control gear: Low temperature range: 90 (fine and soft/damaged hair texture) Medium temperature range: 150 (normal hair texture)High temperature range: 190 (coarse and hard hair texture) Cold air shaping modeComb tooth material: High temperature resistant nylon (surface temperature 45 )Power cord: 360 rotating anti winding design (length 1.8m)Double overheat protection (automatic power-off when>200 )30 minute automatic shutdown (compliant with EN60335-23 standard)Anti scalding comb teeth design (contact scalp temperature<42 )