Features: The hanging neck fan built-in 6800mAh large-capacity battery, which can be charged through the included USB charging cable. Let the summer no longer be hot, and be your good assistant in summer Headphone style stylish appearance design, just hang it around your neck to enjoy the coolness. Designed without wings, you don't have to worry about your hair getting caught on the fan blades, the low volume sound design allows you to use it in the office or studying without disturbing others. This Hanging neck fan for easy carrying and storage. Ideal for travel, outdoor activities, amusement park, concert, office, personal cooling, sports, running, sitting, reading, etc. Lightweight weight makes it easy to wear for a long time without discomfort. Specifications: Material: ABS + PP + TPR Noise: below 36dB Wind Speed: 3 adjustable gears, Breeze first gear, natural wind second gear, strong wind third gear. Output Power: 4.5W Input Current: DC a / 1a Output Voltage: DC5V-9V Input Voltage: DC5V Battery Capacity: 6800mAh Working time:6-8 hours Charging Time: about 3 Hours Interface: USB - Micro Weight: about 250g Size: about 197 x 198 x 60 mm Package Included: With Original Retail Box 1 x Mini Neck Fan 1 x USB Data Cable