Brightsky LED Clip Desk Lamp Clamp 3w White Table Laptop Reading Bed Flexible Neck Purple Head Light Usb Uses LEDs, which consumes up to 80% less energy and last 20 times longer than incandescent bulbs Provides natural, non-flickering light for stress free productivity and enjoyment Flexible positioning suitable for use in office, bedroom, school, and reading The light can be contacted the power bank and computer with USB wire LED Type:1pc 3W EPISTAR LED