We know there are many USB lights in the world, but have you seen the unique USB keyboard light?
The USB keyboard lamps are shaped as some critical keys such as ‘Del’, ‘Esc’, ‘Ctrl’, and ‘Shift’. It measures 149 x 129 x 75mm, weights 180g, and comes with a USB cable connected to PC. Just press it and the USB keyboard lamp will switch between on and off.
USB keyboard light is available in four types, each one costs $14 USD. You could get it from USBGeek.