Here are some of the key features of the Xiaomi SOLOVE F5 Pro 4000mAh Extendable Smart Desktop Fan:

1. 4000mAh battery provides up to 11 hours of continuous use
2. 60° wind direction adjustment range
3. Quiet operation (32dB noise level)
4. Built-in timer
5. Simple control panel
6. Compact and lightweight design

If you are looking for a smart, quiet, and portable desktop fan, the Xiaomi SOLOVE F5 Pro is a great option. It is perfect for use in the office, at home, or on the go.

Here are some additional details about the fan:

1. Brand Name：SoLove by Xiaomi
2. Dimensions: 5.27in x 7.08in x 12.22inch
3. Weight: 577g
4. Rated power: 3.5W
5. Charging input: 5V- 0.8A
6. Charging time: 6.5h
7. Power (W)：3W
8. Voltage (V)：5V
9. Power Source: USB
10. Type: Ventilation Fan
11. Max. Timing Limit: No Timing
12. Rotation Way: Rotate the Page
13. Air supply mode: Rotary Vane
14. Application: 10㎡
15. Rotary Vane Quantity：3
16. Wind Type: Natural Wind
17. Max. Power: 20W

NOTE: This is a Xiaomi Ecological product and there won’t be any Xiaomi Logo on it. As a sub-brand, there will be a SOLOVE or AISOLOVE logo on the content.