Features: Portable Design: Classic design and more compact take up small space. It is very suitable for home car office outside or traveling. Low Noise: The fan is very strong and the noise is low even when a strong wind is provided. At work and rest this is a good friend who is quiet and comfortable for you Rotatable Fan: The adjustable up and down 270 rotation gives you more airflow at your bedside table or office desks. Wonderful Gift: It is an ideal gift for friends family and children. It is practical and they will need it very much in life. After-sale Service: If you have any questions after receiving the product please feel free to contact us and we will provide you with a satisfactory answer. Specifications: Input Voltage: DC5V Color:White/Gray Battery Capacity: 4000mAh Size: 203*187*8*58mm Notes: 1. Due to different monitors and lighting effects the actual color may be slightly different from the image. 2. Due to manual measurement please allow 1-3cm deviation. includes: 1*Fan "