POLENTAT [Detachable Battery, Latest Improved Model] Cordless Hair Iron Carry-on Approved USB Rechargeable Cordless Hair Iron Straightening Iron 2-Way, 3-Level Temperature Adjustment (160℃, 180℃, 200℃) MAX 200℃ Rapid Heating, for Bangs Overseas Compatible Purchased on Amazon on September 18th of this year for 5830 yen. The battery is detachable, allowing for carry-on. Used once overseas in late September. I think the temperature is sufficient for straightening bangs and side hair. A transparent cellophane is attached to the battery for easy removal. Removing the battery is easy, just pull the cellophane. Please refer to the attached instruction manual for details.