Features: brand new and high quality The portable hanging neck fan adopts an upgraded leafless design and an full-open air outlet, which can effectively prevent hair from getting involved, making it safer to use. 360 ° surround airflow can keep you cool all the for time. A necessity outdoor neck fan for working in hot weather. USB rechargeable small fan built-in 2000-4000mAh large capacity batteries that works with all USB-port devices with out any limitations. 3-speed adjustment and turbo blades are more energy-saving and efficient, it can work continuously for 6-8 hours. One button control-just need adjust appropriate fan speed by pressing the power button repeatedly. The battery operated fan built-in professional high-performance brushless motor to ensure high speed and strong airflow, the noise is less than 40db. The whole frammade e of Eco-friendly ABS, soft fits to the neck, comfortable to wear, even if you wear a neck fan, you can have a quiet environment. Wearable neckband cooling Fans design is by the headphone shape, you can free you hands and have a fashion style. Personal neck fans weigh about 0.22 kg and are ultra-light, not only put less strain on the neck, but also you can take it anywhere. It’s perfect for indoor and outdoor activities. This is a new and perfect personal neck fan, suitable for multiple scenarios-indoor cooking, reading, watching sports, office, church, outdoor activities such as camping, traveling, fishing, mountain climbing, cycling, etc. Specifications: Material: ABS Voltage: 3.7V Power: 5W Battery Capacity: 2000-4000mAh Gear Position: 3 Noise: ≤40dB Product size: Approx. 21x18x5.8cm / 8.27x7.09x2.28in Color: Black, Green, Pink, White Package Includes: 1PC x Neck fan note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!