5000mAh Battery USB Hair Straighteners,Fast Heating: USB rechargeable 4800mAh battery will last for 45 minutes after fully charged (Don't use it while charging). High-quality ceramic heating plates heat quickly and evenly, it will help you do a perfect hair look in minutes. , Weight 200g, Straight Your Hair on the Go: Our portable flat iron allows you to touch up bangs, hair frame,or hairtail perfectly. Please preheat 2-3 minutes before using. Note: ideal for short, thin, fine hair & bangs, bobs, not recommended for thick & long hair.