Features: 1. Ultra-quiet design, USB desk lamp with fan 2. Small, easy to carry, with two adjustable switches 3. Charging fan, light and convenient, complete functions 4. Comfortable air volume, close use, suitable for all seasons 5. Non-stroboscopic LED light: ultra-high-brightness LED lighting, no stroboscopic, no heat, bright and soft light, can protect the eyesight of users 6. 30LED cold light beads, rotatable design to adjust the light angle within 45 degrees, the lamp stand can be turned upside down parameter: 1. Product size: 16.5cmx21.5cmx9cm 2. Solar panel size: 14cmx4.5cm 3. Solar panel: 6v 3W solar panel 4. Number of LEDs: 1 on the side: 2W, 30 on the front: 0.5W 5. Rated input voltage: AC110V-240V 6. Rated input frequency: 50Hz-60Hz 7. Rated input current: 0.08A 8. LED rated power: 2W0.5W 9. Battery capacity: 2000mAH 10. Working time: DC charge once, 6 hours table lamp function Emergency flashlight function for 8 hours, continuous use of fan function for 4 hours in strong wind, 12 hours in weak wind