Specification: 1. Hand-free personal fan: free your hands anywhere; Fashion style makes you look so cool. Hanging around your neck, suitable for traveling in hot weather, saved you from the embarrassment of dripping with a sudden sweat in public on numerous occasions. 2. Leafless design. No twisted hair, 48 holes are out of the wind, strong cooling of the face, no headache for a long time 3. Fan with a flexible neck and dual wind head- The portable fan has two wind heads, can feel more powerful airflow, also can adjust 360 degrees for sports, which allows you to adjust to many different angles, portable, simple, and easy to create powerful wind for you. 4. Adjustable speed level: Low/medium/high-speed level. Adjust the appropriate fan speed by pressing the power button. A neckband fan with powerful airflow can the fast and easy access to instant relief from hot flashes. Hanging the cooler fan around your neck and take it everywhere. 5. Long-lasting battery life, all the way with the wind. Built-in two 1800mAh lithium polymer batteries, charging for 3 hours can last for 3.5-10 hours, no matter whether you are on the way to work or shopping, it is enough to bring you all the way. It's ideal for personal cooling, camping, outdoor event, trips, office, churches, and hot flashes. Specifications: Input power: 5V/1A Motor power: 5W Dimensions: 222x207x58mm Product battery: polymer battery Weight: ≈220g Charging time: about 3 hours Working hours: 3.5H-high speed, 7H-medium speed, 10H-low speed Battery capacity: 3800mAh Charging interface: TYPE-C Material: ABS+PC Package Included: 1xHanging Neck Fan 1xmanual 1xcharger cable