Features:1. A professional portable fan with integration of design, simple appearance and firm structure.2. USB mini folding fan, portable handheld fan, intelligent control system, reliable performance, which is fully functional and easy operation.3. With a hanger, it can be attached on umbrella, stroller, desktop, tent, etc.4. Using the international standard 18650 capacity lithium battery (Excluded), that can be recycled and charged by USB charger, computer and power bank.5. Unique portable fan design, creative style, made of high quality ABS, has a solid structure and pressure.6. Multi speed adjustable power fan, turn down or turn off air with infinitely variable speed technology, efficient and save energy.7. Great travel fan for cooling or beauty in hot weather activities such as sunbathing and camping.Specifications:Item Type: USB Mini Foldable Battery FanMaterial: ABSColor: Green/Blue/White/Black (Optional)Size: (Approx.) Fan diameter: 10.5cm/4.13in Handle length: 10cm/3.94in Cable length: 27cm/10.63inInput voltage: 5VInput current: 0.5-2AOutput voltage: 5-9VOutput power: 4.5W (Max.)Power supply: 1pc 18650 lithium battery 3.7V 1200mAh (battery is not included)(the battery can be charged by USB charging cable)Charging Time: 4-5 hoursWorking Time: 2-6 hoursQuantity: 1 Set (other accessories demo in the picture is not included)Note:Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank youCompare the detail sizes with yours, please allow 1-3mm differs due to manual measurement, thanksTransition: 1cm=10mm=0.39inchPackage includes:1 X Mini Fan1 X USB Charging Cable