USB charging and fast heating 2400mAh capacity rechargeable lithium battery. Cordless use after a full charge and can be charged via USB from wall socket, power bank, desktop computer, or other USB interfaces. LED display shows current temperature. Temperature options: L (165 degrees), M (185 degrees), H (205 degrees). Intelligent temperature memory remembers your last used setting and heats to that temperature automatically on startup for quick, convenient styling. Cordless and portable design 7.88 inches long, compact and cordless for styling anywhere without a plug. Ideal for travel, commuting, and touchups on the go. Fits easily in a purse or cosmetic bag. 3D floating heating plate for better contact 3D floating design adjusts up and down with different pressures and directions, keeping hair closely aligned with the plate. Reduces friction, ensuring even heat distribution across each strand and delivering a noticeably smoother straightening result. Even heating with protection Doublepanel heating for rapid preheating and even heat distribution. Ceramiccoated plates with environmentally friendly alloy materials provide consistent temperature and reduce hair damage. Helps hair feel softer and look shinier after use. Use scenarios Travel days: cordless operation and compact size make it easy to style hair in hotels, airports, or trains without searching for outlets. Daily commute or office: quick touchups between meetings with instant heat to your preferred temperature. After workouts or in refreshed routines: restraighten or smooth hair on the go for a polished look without a full styling setup.