JOVS Negative Ion Hair Straightener Comb Anti-Scald Cordless 。JOVS Negative Ion Hair Straightener Comb, a cordless, portable heated brush designed for quick styling and travel. It uses negative ion technology to reduce frizz and features three heat settings ranging from 160°C to 200°C. Key Features & Safety • Negative lon Technology: Automatically stays on during use to neutralize static and add shine. • Cordless Design: Features a rechargeable battery providing roughly 30-40 minutes of styling time after a full charge. • Auto Shut-Off: For safety, the device typically powers off automatically after 20 to 30 minutes of inactivity. • Charging: Use the included Type-C cable. Charging usually takes about 2 to 2.5 hours and should not be done while the device is in use. Brand new in sealed box. Portable, cordless, travel, vacation, mini, anti-static, quick styling, adds shine, reduces frizz,