Mini USB Light - This is a flexible USB white light that easily plugs into your computer or laptop or even a power banks USB port and provides ample light for reading books or typing. Shop Now Here >> http://ealpha.com/home-utility/mini-usb-light/8376
USB powered LED Articulating Lamp. Instructables. It looks a little steampunk. I like it. Though I may change the functionality it is a great instructible about creating an articulating USB powered arm.
The main purpose of this lamp is to provide light bright enough for a student or a businessman to read their documents clearly with the bright light. Also, the shape of the lamp gives a modifiable design.