1. Size: The size of this USB fan is 187x175x202mm, which is moderate in size and does not take up much space. 2. Style: This fan has a versatile style, suitable for use with different decorations and styles. 3. Function: This USB fan has a night light function, which can provide soft light at night and is convenient to use. 4. Motor type: This fan adopts a brushless motor with low stability and noise. 5. Housing process: This fan adopts ABS material housing, which is strong and durable. 6. Noise: This fan has low noise and will not affect normal use. 7. Is there a built-in battery: This fan does not have a built-in battery and needs to be powered by USB. 8. Charging/Life time: This fan is charged by USB, the charging time is 1 hour, and the battery life is 1.5-5 hours, easy to carry for indoor and outdoor use. 9. Power supply mode: This USB fan is powered by USB power supply, which is convenient to use with computers and charging treasures. 10. Wind speed gear: This fan provides 3 gears of wind speed for selection, and the appropriate air volume can be selected according to actual needs. 11. Fan classification: This product is a USB fan, which is convenient to use with various devices.