SpecificationsInput current: 2A Output current: 2A Working voltage: 5V Battery capacity: 4000mAh Charging time: three Charging method: USB Charging Product size: 152*145*240mm Product Material: ABSPPFeatures1. 60° left and proper computerized rotation,90° up and down handbook rotation; 2. Built in 4000mAh battery,wireless and rechargeable,long endurance; 3. 100 speeds wind adjsutable,meet varied cooling needs; 4. Detachable cover,convenient to scrub the fan dust; 5. LED digital display, viewed battery power, wind tools 6. Multipurpose fan, desk fan/ clip fan/ wall fanPackage includesFan*1/USB cable*1/Manual*1