Mini Cordless Hair Straightener Brush Portable Hair Straightener Comb With USB Charging For Women Negative Ion Hair Straightener Brush Heat Resistant And Auto-off Features: Portable and travel-friendly size, perfect for touch-ups or style transitions! The Portable Straightening Brush is a cordless, portable hairstyling tool with the performance of a full-size straightener. The small hot comb uses a unique staggered comb tooth design to ensure smooth results from root to end, while the body is protected by heat-resistant technology. Can penetrate deeply from the surface into the core of hair, bringing a sleek and natural finish. Even on the highest heat setting, styling time lasts up to 30 minutes, providing ample time for touch-ups or quick styling changes. 3 heat settings suitable for hair types 1 to 3C. Can be charged using a Type-C cable. Refresh your look anytime, anywhere! Product Specifications: Battery: 5V 1-2A 5200mAh Charging time: 4 hours, usage time 40-50 minutes Product voltage: 110V-240V 50Hz/60Hz Power: 35 W 3 levels of temperature adjustment (160°C, 180°C, 200°C) Product size: 19.8 x 4.2 x 4 cm Packaging size: 22 x 7.5 x 5 cm Weight: 280g Automatically shuts down after 30 minutes Product accessories: 1 x straightening comb, 1 x USB cable