Specifications:

• Weight: 146 gram (battery included)
• Size: 21.6 x 10.5 x 3.5 cm 
• Output Power: 4.5W (MAX)
• Input Voltage: 5V
• Output Voltage:5-9V
• Input Current: 0.5-1A
• Working Time: 2.5-8.5 hours (depends on the speed chosen)
• Package List: 1 x mini fan
• 1 x battery : 2200mAh
• 1 x USB cable
• 【Rechargeable High Capacity Battery】 Rechargeable for hundreds times and ensures 2.5-8.5 hours on a full charge and safe using. Using energy saving DC motor, up to 20000 hours working time.
• 【Portable and Multipurpose Design】 Small and exquisite, foldable handle design, this fan can fold up to 180°. You can hold it in hand, put it on a table as a desktop fan, or take it in your bag everywhere. Besides, there is a LED lamp on the bottom of the handle, you can use it as a torch.
• 【Adjustable Wind Speed】 There are 3 speed levels rating from low, medium to high. You can adjust appropriate fan speed by pressing the power button repeatedly. It's a must-have for the summer.