Upgraded Negative Hydronium Charging Straight Hair Comb Smoothly Hair Without Damaging It Four Speed Temperature Adjustment Portable For Curling And Pulling Features: Material : Plastic Color: White Product size: 18.5x4.34cm / 7.28x1.7in Packing size: 20x5x5cm /7.87x1.96x1.96in Gross weight: 209g/0.46lb Net weight: 160g/0.35lb Charging type: USB data cable Current: 1.5A Voltage: 5V Power: 20W Battery capacity: 3600 mAh Product Description: Negative hydronium technology, a new experience of nourishing hair: Using advanced negative hydronium technology, each combing can release millions of negative hydronium, effectively neutralize still electricity, reduce hair frizz, deeply nourish hair, make your hair smoother and more beautiful, and glows with natural lustre. Four speed temperature control, exact styling at will: Specially designed four speed temperature adjustment function, from low temperature to high temperature, to meet different hair quality and styling needs. Whether it is fine and soft hair or coarse and hard hair, you can find the largest suitable temperature, easily create an ideal hairstyle, and avoid overheating damage. Double layer no scalding design, safe and without worry : The outer layer is equipped with two coating of no scalding outer teeth and heat insulating cotton, which can effectively isolate high temperature even for long term use to avoid accidental burns. Carefully defend the security of you and your family and enjoy without worry styling time. Plant protein coating, hair care is upgraded: Specially added plant protein coating can provide additional nourishment to hair during combing, repair damaged hair, and enhance hair toughness. Every use is a deeply care for hair, giving your hair a new lease of life. Large capacity battery, portable and efficient: Built in large capacity battery, just need to charge for 3 hours to enjoy up to 50 minutes of continuous styling time. 20 seconds quick preheating, whether it is daily outings or travel, it can be easily carried, create perfectly hairstyles anytime, anywhere, and let beauty go with you. Package Content: 1x Hair straightening comb 1x USB