Adjustable Speed: Low/Medium/High | portable fan | 360 degree rotatable | High quality ABS plastic materialRechargeable Battery: 1200mAh Battery | longer standby time | USB rechargeable | up to 4-6 working hoursUSB Charging Port: Suitable with Power Bank | Power Adapter | car charger | notebook | Desktop Computers | Other USB interfaces.light | foldable | flexible | Easy to carry in your bag high performance | hands free designSuitable for: Outdoor living | fishing | shoot | ride | travel | fitness | climb | hiking | work | running | reading etc. Portable Rotatable USB Rechargeable Lazy Neck Sports Wearable Mini Fan (Red)