Aromatherapy Summer Air Cooling Neck Fan Leafless Hanging Neck Fan Bladeless Ventilator USB Rechargeable Neckband Fans Air Cooler - Black •When using the fan,you don't have to worry about your hair getting caught on the fan blades •2600mAh large capacity batteries provide 2-6h working hours duration •High-quality brushless motor,low noise operation •360-degree surrounding design,easy to get cooling in different directions •USB rechargeable neck fan,convenient to charge via computer,cell phone charger,power bank,laptops,etc •3 wind speed adjustable,easy to adjust the appropriate fan speed •Adopt the high-quality brushless motor,and multi-stage air duct design,greatly reduce fan noise •Personal neck fans weigh about 236g and are ultra-light,putting less strain on the neck •Best partner for work,office,reading,sports,travel,hiking and cycling when in summer Specification: •Charging power supply: DC 5V/1A •Charging interface: TYPE-C •Battery capacity: 2600mAh (18650 battery) •Battery life: 1st gear about 6 hours; 2nd gear about 3.3 hours; 3rd gear about 2 hours •Control method: key switch,three-speed wind speed,click to switch •Shell material: ABS+silicone+304 stainless steel •Product net weight: 236g •Product size: 238*168*56mm Package included: •1 x Portable Neck Fan •1 x Charging Cable •1 x English and Chinese User Manual •Other things not included