usb light purple LED lamp ,long time 10000 hours of use,directly plug into USB port on notebook or PC

usb light purple1)LED lamp ,long time 10000 hours of use,directly plug into USB port on notebook or PC

2)No external power supply is needed

3)Gentle ray for eye-porofection,power saving design

4)Flexible neck for any direction,easy to take anywhere

5)USB powered ,plug and play ,no extenal power needs

6)Can take care of your eyes,suits for you night work

usb light purple (TYF), bicolour usb led lamp