Product Function: Upgraded Portable Neck Fan: The fan has improved airflow and noise. The portable neck fan will have more powerful airflow and less noise to keep you cool all the time. 4000 mAh battery and four tubes, longer battery life and stronger wind power. It's also safer than before and won't suck up your hair. It is the ideal companion for working in hot weather. 360 Powerful Wind Power and Low Noise The bladeless fan has four impellers and two ducts on each side, which can generate stronger wind than other fans. And it works with little noise. It will not disturb your study or work. Features: 3 Speed Modes and Lightweight Design: This hands-free fan has 3 adjustable speed modes. Separate buttons for easy switching. Can blow the wind on your face to keep you cool all day in summer. Large Battery and Fast Charging: Built-in 4000mAh rechargeable battery, large battery capacity allows the fan to work for 3 to 6 hours. It only takes 2.5 hours for a full charge. Enjoy powerful airflow in no time. PERFECT GIFT AND QUALITY ASSURANCE: The personal hanging cooling fan frees your hands and you can use it in many places. Such as kitchen, office, garage, camping, cycling, etc. It can also be the best gift for family, friends and colleagues. Also a good choice for Father's Day or Mother's Day gift. If you have any questions, please feel free to contact us. The package contains: 1 portable fan Main points: 1. The product size is measured manually, there may be errors 2. Since different monitors display different colors, please refer to the actual color you received. 3. Please confirm the size before purchasing.