RuiLing 10 LED Bright Flexible USB Light With On / Off Touch Switch - Best for Reading, Working, Studying & Camping or More No Batteries Needed - PC & Mac Compatible - Silver USB lamp with touch switch, just touch the sensor at the end of the stick to turn on/on the lamp, Plugs into any USB port. Best for Reading, Working, Studying & Camping More - Adaptable, Portable Power, - Plugs Into Your Computer, Laptop & Anything With a USB Port. Flexible, snake-like bendable metal neck allows multiple positions adjustable,10-LED lights for maximum illumination. These things make perfect gifts to friends, families, co-workers, students and more! Built to last - 10 LED bulbs that will illuminate for, on average, Up to 50,000 hours of illumination life span under normal usage!