【New Upgrade to the Classic】This portable fan is a new version of the classic JISULIFE NECK FAN with a new neck support that conforms to the curve of the human neck. It effectively prevents the sticky and stuffy feeling after long-term wear, making it more comfortable to use.【More Powerful 5 Gears】Newly upgraded 5 wind gears, keeping you cool at all times. 2 air inlets and 80 air outlets, and the neck support provides a larger airflow space, achieving true 360 rapid cooling.【More Satisfying Battery】Portable neck fan equipped with a 4000mAh battery, which can last for 5-15 hours of continuous use depending on different usage gear. It only takes 2 hours to charge from 0% to full, providing you with coolness all day long.【Quiet & Safe】The personal fan working noise is less than 25 dB, so it won't be embarrassing even if used in a library. The upgraded overall design is also safer, not prone to slipping on the neck, and doesn't trap hair.【Fashionable & Versatile】The classic style JISULIFE NECK FAN is popular worldwide, and this upgraded version will bring a new trend for the summer. It's suitable for personal cooling for people of all ages, whether in school, office, church, gym, or outdoor activities such as camping, traveling, hiking, climbing, or watching sports games.