Material: Acrylnitril-Butadien-Styrol White colour Size: 210 * 140 * 61mm Wattage: 5W Battery capacity: 2000mAh Charging time: 3H Product weight: 220g Quantity: 1 pcs Package content: 1pcs * blower 1. Upgrade Design - Yenisai Neck Fan adopts the latest backless design, which has the advantage that the hair will not get stuck compared to the traditional fan. Compared to other neck ventilators, our air outlet is larger, which can generate more powerful airflow. Hold yourself off all the time. It is also an ideal companion for work in hot weather. 2. 3 wind speeds setting - The latest design fan has low / medium / high 3-speed optional, the high-performance motor generates ultra-strong wind with a top speed of 5100 rpm that noise of at least 25 dB while running can be generated. It is quite enough to hear your own breath. 3. Hands-Free Design & Fashion - Hands-free fan was designed as headphones to free your hands anywhere. Personal fan weighs about 9 OZ. You wont feel uncomfortable or tied when you hang the fan for a long time. This cordless headphones fan makes you look so cool and it's perfect for indoor and outdoor activities 4. Large Capacity Battery - Available for 3-9 working hours (depending on speed) to keep you away on hot summer days. It is compatible with computers, laptops and chargers with a USB output. It only takes two hours to fully charge. 5. Multipurpose - This portable fan is great for personal cooling, office, outdoor activities such as camping, travel, hiking, climbing and sports, etc. Your satisfaction is always our priority and we will try our best to solve the problems to solve.