Come and see our amazing products. This mini fan have 4 speed level(Low/medium/high/sleep mode)can adjust by pressing the power button repeatedly. The sleep mode can avoid headaches, stuffy nose caused by prolonged strong wind and meet the physiological needs of people. This portable fan is only 0.35lb and the dimension is 8.2 * 4.1 * 1.5 * inch. When you go outside, you can put it in the bag and take it to anywhere, especially suitable for summer travel or outdoor sports. Pls confirm with us about the packing info, stock color and exact production time before placing your order.