Product overview A dualfunction hair styling tool for curling and straightening on wet and dry hair. Combines tourmaline ceramic plates with an alloy heat conductor for consistent heat transfer. Barrel diameter ranges from 16 mm to 20 mm for medium to tight curls. styling can be achieved in under 1 minute. Key benefits Fast styling: Heats up in about 30 seconds and reaches selectable temperatures quickly for efficient styling. Versatile use: Works on both wet and dry hair for convenient touch ups and full styling sessions. Precise temperature control: Four temperature settings from 300F to 390F let you choose the heat level that suits your hair type and desired look. Consistent heat distribution: Tourmaline ceramic surfaces plus an alloy heat conductor support even styling and reduced hotspots. Portable charging: USB charging enables easy use with common USB power sources while traveling. Compact barrel sizes: 16 mm to 20 mm diameter options provide control for tighter or more defined curls. What it does Straightens: Smooths hair using the flat ceramic plates and steady heat. Curls: Forms curls by rotating the tool around the hair and sliding down the shaft. Quick results: Designed for fast styling with typical styling time under 1 minute per section. How to straighten hair 1. Divide hair into sections based on thickness. Thicker hair may require a higher temperature setting. 2. Clamp the straightener plates on a moderate section of hair near the root, then pull down to the ends. Repeat as needed until the section is smooth. How to curl hair 1. Divide hair into sections based on thickness. Thicker hair may require a higher temperature setting. 2. Clamp the flat iron around the hair and give it a half turn. Hold that half turn as you move the tool down the hair shaft to the ends to create a curl. Specifications and performance Applicable hair: wet and dry Heat conductor material: alloy Plate material: tourmaline ceramic Barrel diameter: 16 mm to 20 mm Temperature settings: 4 levels, 300F to 390F Warm up time: about 30 seconds Typical styling time per section: under 1 minute Power: USB charging Practical use scenarios Quick morning styling: Heat the tool for 30 seconds, then straighten or curl a few sections to finish your look in minutes before work. Travel styling: Use USB charging with a power bank or hotel USB outlet to touch up hair while away from home. Humidity control for events: Select a higher temperature setting to style thicker hair or to achieve longerlasting curls for an evening event. Package considerations Includes a dualfunction hair curler and straightener designed for everyday use, travel, and quick touch ups. Follow the included user instructions for results and safe operation.