Jisulife Neck Fan 3 is a portable neck fan that gives you hands-free and comfortable cooling when you need it most. With its smart 360° airflow technology and 78 air outlets, the air is evenly distributed around the head and neck for maximum comfort. The powerful 4000 mAh battery allows for long-lasting use, perfect on hot days whether you're commuting, exercising or outdoors. The bladeless design provides both increased safety and quieter operation, while you can easily adjust the cooling level in five different levels. Specifications: Brand: Jisulife Model: Neck Fan 3 Battery capacity: 4000 mAh Working hours: 2–13.5 hours Charging time: 3.5–4.5 hours Rated voltage: 5V = 2A Power: 5.5W max Speed: up to 3.5 m/s Dimensions: 206 × 200 × 60 mm Weight: 270g Color: Gray Benefits of Jisulife Portable Neck Fan 4000mAh – Gray Even airflow around the head and neck with 78 air outlets Powerful battery for up to 13.5 hours of use Bladeless design for increased safety and quieter operation Five cooling levels tailored to your needs