Specifications: Product weight: 413g Battery capacity: 10000mAh Charging time: 4 hours Rated power/voltage: 4W/DC 5V Product size: 150mmX 95mmX 192mm Features: 1. 3 fan blades air cooling fan,can be put on the table and clipped on the bracketged rid of heat and bring coolness. 2. 360 up and down,left and right manual adjusted wind direction,you can enjoy the coolness whether lay down,stand or sit. 3. It has 4 wind modes--sleep wind,cool breeze,natural wind and strong wind,meet different needs at different moments. 4. Built in 10000mAh large capacity battery,charge for 4 hours for long battery endurance. 5. It is working in low noise and lightweight,suitable for dormitory, office,bedroom, living room,travel and camping. 6. The detachable grille convenient for the cleaning of the fan,no need to worry about the fan hiding dust and dirt. Package inculdes: 1. Cooling Fan*1 2. USB cable*1 3. Manual*1