2.8W Dimmable USB Reading Lamp with 3 Brightness Levels and Touch Switch for Laptop/PC

✔ USB LED NOTEBOOK NOTES: Built-in with 14 high-quality 2835 LED beads

3 Adjustable brightness settings, easily controlled with the push of a button. ✔ Wide selection of power sources: This USB LED light is compatible with various USB devices (5V, 0.5-2A), such as a PC's USB port, smartphone charger, and power bank, etc. ✔ Lightweight: Despite its brightness and functionality, this USB lamp weighs only 50 grams and is incredibly light. ✔ Low power consumption: Level 1 - 0.5W | Level 2 - 1.9W | Level 3 - 3.7W. With a small 10,000mAh (3.7V) power bank, you can power the lamp for 19 hours at medium brightness.

On a large 25,000 mAh battery, it provides two days of continuous use, 24 hours a day! ✔ Flexible gooseneck: Adjust the direction and height of the light for a comfortable lighting angle.