Specifications:

1. Product dimension: 6.5*14*18.2cm

2. Battery type: flat top 18650 lithium battery, 3.7V

3. Input current: 1.5A

4. Output voltage: 5V-12V

5. Input voltage: DC 5V

6. Output power: 3.5w

7. Charging Time: 3~4 hours

8. Working Time: 4-40 Hours(depends on various speed settings)

9. Rotation: 350 degree vertical and 270 degree horizontal

Additional Tips:

1. When the batteries run low, the high speed setting may not work, please recharge the batteries in time.

2. If the fan will not be used for a long time, please fully charge the batteries, then remove them and store in places cool and dry.

3. Since the battery is flat top, please pay attention to the positive and negative poles, ensure installing correctly, otherwise the fan would not work.