3 Precise MCH Heat Settings: With advanced MCH heating technology, experience 60 seconds of rapid heat up, more efficient and stable than traditional PTC wands. cordless hair straightener brush has 3 adjustable heat settings to choose from (160°C/320°F-60 seconds to heat up, 190°C/374°F-90 seconds, 230°C/450°F-90 seconds, 230°C/450°F-90 seconds, 230°C/450°F-90 seconds, 230°C/450°F-90 seconds, 230°C/450°F-90 seconds).
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