1. Powered by laptop or PC through USB. No external power supply is needed. 2. Durable construction, light weight and easy to carry. 3. Light up your notebook anywhere you want, like a trip on plane, in a meeting or on bed. 4. Compatible with any notebooks or desktop PC by plugging into any USB ports. 5. Super bright, and long lasting LEDs. 6. Flexible meal hose allows multiple positions. 7. One touch switch, simple and convenient operation.
