1. Stylish and convenient design: This portable USB neck fan has a new neck strap design, you can hang the fan around your neck and take it with you. 2. The dual fan head adopts a 360-degree flexible rotation design, and the airflow is stronger. Can be used as handheld fan, desktop fan, portable fan, mini USB fan, wearable neck fan. Suitable for outdoor sports, personal cooling, fishing, camping, office, golf, hiking, traveling, cycling, stroller, etc. 3. Low Noise Personal Fan: Made of high quality copper brushless motor, each fan head combines 7 bionic fan blades, making the blades softer, more durable, quieter, and transmitting more wind for you. This fan personally produces stronger, smoother and quieter wind. 4. THREE-SPEED PORABLE Neck Fan: This portable wearable fan has two heads, can be adjusted 360 degrees in direction, has three speeds of low/medium/high speed for you to choose, and the light weight will not make your neck feel sore. Simulate natural wind to keep you comfortable and cool on hot summer days. .5. Portable neck fan: can be used continuously for 4-8 hours. (depending on the operating mode of the neck fan). 6. Multifunctional Personal Neck Fan: The unique portable fan design is your first choice in hot summer, it is a warm gift for kids/elderly/men/women. Great for summer cooking, outdoor sports, library, hiking, traveling.