AntiStatic Negative Ions Mini Hair Straightener The hair straightening brush uses heating technology and a negative ion generator to heat up quickly (10 seconds) and provide even heat distribution, helping hair become smooth and shiny with vitality and elasticity. 3 kinds of temperature can be adjusted. Press and hold the power button of our smart bottle warmer for three seconds to start the hot bottle; 3 kinds of temperature can be adjusted. Rechargeable mini hair straightener comb with a builtin hair comb with teeth. It can be used after charging and is easy to carry. USB rechargeable mini hair straightener. Charging is convenient and can be powered by a powerbank. The compact body with a storage tray makes it comfortable to carry the comb and use it as an ordinary comb to care for your hair at any time. Key benefits and why you need it Quick, even styling in a compact, portable form factor with an antistatic, negative ion system. Builtin comb design for detangling and styling in one step; no separate tool required. USB rechargeability and powerbank compatibility for onthego use; includes a storage tray for convenient carry. Lightweight and travelfriendly without sacrificing function or performance. Specifications and notable attributes Function: hair straightening brush with negative ion generator and heating technology. Temperature options: 3 adjustable settings. Size/portability: mini, compact body with integrated storage tray. Material and design: builtin comb with teeth; rechargeable via USB. Power: USB rechargeable; compatible with powerbanks. Usage scenarios Morning routine: quick touchups to straighten and smooth hair before work or school. Travel and commuting: USB rechargeability and compact design fit in bags; styling on the go. Detangling and finishing: use as an ordinary comb to gently detangle and distribute conditioning products while styling.