Functionality: 1. Hands Free: The hanging neck fan can send out the comfortable and cooling wind without using your hands by simply placing it on your neck. 2. SAFE TO USE: Portable bladeless fan means you don't have to worry about your hair getting caught on the fan blades, safe for children and the elderly. 3. Helmet Design: The hands-free fan was designed as a fashion style shaped helmet that makes you look so cool and easy to take anywhere in hot weather. 4. 3 Speeds: Portable neck fan with 3 wind speeds for different purposes, 1st and 2nd speed can provide comfortable wind, 3rd speed with strong breeze to cool you down quickly. 5. Comfortable use: bladeless neck fan equipped with a dual-core impeller, more powerful and quiet, not only fast cooling but also improved user comfort. How To Usage: Install a lithium battery and use it. Specification: Item Type: Hanging Neck Fan Material: ABS Battery: 18650 2000mAh lithium battery (included) Rated power: 2.5W Wind speed: 3 speeds