2.5-16.5 Running Hrs & USB Charging: This rechargeable neck fan, equipped with a high-capacity 5000mAh battery, delivers 2.5 - 16.5 hours of runtime, depending on the speed setting. The neck cooler fan takes 3 - 4 hours to fully charge via USB Type-C, and you can use it while chargingStrong Airflow & 5-speed Adjustment: The neck fan that blows cold air has 2 air inlets and 80 air outlets, with air outlets on both sides and the back, which can provide 360 cooling for your neck and face. The personal fan provides 5 adjustable speeds, and you can press the power button repeatedly to adjust the appropriate wind speed of the Cooling hanging fan to meet your needsBladeless Safety & Perfect gift: The hanging neck fan, with its wingless design, is safe for children and the elderly, eliminating hair - entanglement worries. Suitable for all - age - group men and women, it can be used by the elderly, young people, or children. Whether you're at work, in the office, at home, at school, kitchen, during sports, other life scenes, this hands-Free bladeless fan is a practical and ideal giftErgonomic Neck Support Design: This new upgraded portable neck fan features an upgraded ergonomic design that fits the natural curve of your neck. The breathable airflow channels prevent stuffiness and enhance comfort. neck fan reduces pressure from long-term use, ensuring comfort whether you're at concerts, working outdoors, or travelingLightweight & 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 during activities like hiking, gym workouts, or cycling