1. Rapid Heating: 20 Seconds fast heating, plug and play, fast preheating intelligent constant temperature, can quickly make the temperature the set temperature, prevent the temperature change of the hot plate. 2. Hair Straightening Unique round shape, salon grade hair maintenance, can straight and your hair, not worrying frizz, quick hair rejuvenation. 3. Scalp : Have uniform heat resistant ceramic coating, smooth combing to reduce the broken hair, care for scalp health, protecting your scalp. 4. Static Electricity Reduction: Reduce hair static electricity, repair hair roots, tame frizz, close hair scales and smooth hair cuticle, and make hair straighter. 5. Adjustable Temperature: The hair straightener comb has multiple adjustable temperature levels to your hair and meet the styling needs of different hair types. Spec: Item Type: Negative Ion Hair Straightener Comb Material: ABS, PBT Adjustable Temperature: 4 Levels Voltage: 110-220V Heating Mode: PTC Heating How to Use: Plug into the socket, long press the power button to power on, short press the button + or ? to adjust the temperature, long press the button to shut down. PackageList: 1 x Negative Ion Hair Straightener CombRapid Heating: 20 Seconds fast heating, plug and play, fast preheating intelligent constant temperature, can quickly make the temperature the set temperature, prevent the temperature change of the hot plate. Scalp : Have uniform heat resistant ceramic coating, smooth combing to reduce the broken hair, care for scalp health, protecting your scalp. Hair Straightening Unique round shape, salon grade hair maintenance, can straight and your hair, not worrying frizz, quick hair rejuvenation. Adjustable Temperature: The hair straightener comb has multiple adjustable temperature levels to your hair and meet the styling needs of different hair types. Static Electricity Reduction: Reduce hair static electricity, repair hair roots, tame frizz, close hair scales and smooth hair cuticle, and make hair straighter.