Features: brand new and high quality. Need to buy 18650 battery by yourself,this fan also can power by Powerbank,USB charger,PC's USB port and more 5V Power. Long press the off button to turn off the fan. USB-powered state, only one gear. 1. Intelligent control system, reliable performance,fully functional and universal uses. 2. Using the brush and spotless motor to ensure the high winds and long-life. 3. Using the international standard 18650 capacity lithium batteries can be Rechargeable(18650 battery is not included) 4. A professional portable fan with integration of design, simple appearance and firm structure . 5. LED light is long click the green ON for key to turn ON or turn off. 6.With LED Light,for outdoor activities at night use. 7.Great travel fan for cooling or beauty in hot weather activities such as sunbathing and camping. Specifications: Item Type: USB Mini 18650 Battery Fan Material: ABS Color: Pink/Blue/White/Black/Green (Optional) Size: (Approx.) Fan Size: 14x10x4cm USB Cable length: 25cm(Random Color) Input voltage: for DC 5V Input current: 0.5-1A Output power: 5W (Max.) Power supply: 1pc 18650 lithium battery 3.7V (battery is not included),Need to buy 18650 battery by yourself. (the battery can be charged by USB charging cable) Charging Time: 4-5 hours Working Time: 1.5-6.5 hours Quantity: 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 you!! Compare the detail sizes with yours, please allow 1-3mm differs due to manual measurement, thanks! Transition: 1cm=10mm=0.39inch Package includes: 1 X Fan 1 X USB Charging Cable