Ergonomic Neck Support Design: Featuring an upgraded ergonomic design that fits the natural curve of the neck, JisuLife's newly updated portable neck fan reduces neck pressure associated with long term use. This neck fan that blows cold air also offers breathable airflow channels, keeping you cool and comfortable while at concerts, working outdoors, traveling, and more. Powerful Airflow With 5 Speed Settings: Featuring 2 air inlets and multiple air outlets on both sides, this cooling neck fan blows cold air to the neck and face at 5 adjustable speed settings. Simply tap the personal neck fan power button to rotate between different wind speeds to suit your needs. Up to 16.5 Running Hours & USB Charging: Equipped with a high-capacity 5000mAh battery, this rechargeable neck fan delivers 2.5 - 16.5 hours of runtime, depending on the airflow speed setting selected. Taking just 3 - 4 hours to fully charge via USB Type-C, this cooling neck fan can also be used while charging, so you can keep the cooling air flowing. Lightweight & Hands-Free Design: Weighing just 9.88 ounces, this improved wearable neck fan allows for extended use without strain. Its hands-free design keeps you comfortable and accessible during activities like hiking, gym workouts, or cycling. Bladeless Safety & Practical Functionality: With its wingless design, JisuLife's hanging neck fan eliminates worries of hair entanglement or finger injuries, making it safe for men and women of all ages - from children to seniors. Whether you're at work in the office, at home in the kitchen, at school, or at a sports game, this hands-free bladeless fan will keep you cool wherever life takes you - a practical and thoughtful gift for anyone in your life.