1. Product: USB interface power supply, voltage: 5V, power: 2.5W, plug and play. Color: Silver Product Length: 41.2cm 2. Realtime display of temperature and time: When the fan is working and rotating, the clock pattern will flash to display the real time and the realtime temperature of the environment 3. The time can be set: long press the switch button to adjust the time, and the time will not be lost when the USB plug is disconnected. The time will be automatically synchronized when the power is off, and the time displayed next time will be the actual time of the day; PVC soft fan blades and metal hoses are flexible and convenient 4. Applicable scenarios: The USB interface is very suitable for desktop computers and laptops. It can be plugged into any USB interface for use, which is very convenient. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.