usb light
3 led usb light, usb led light,
usb gift, usb lamp
for notebook use.

usb light,

3 LED lamp, USB led lamp,. usb gift

 Long time 50,000 hours of use.
directly plug into USB port on nobtebook or PC.
No external power supply is needed.
Gentle ray for eye-protection, power saving design
Flexible neck for any direction, easy to take anywhere.