The lamp isn’t only a USB gadget, but also a voice-controlled product. Its light is made up of 12 LED lamps, and controlled by any voice in 10 meters. So when you get a cough, keep the voice-controlled USB lamp at the manual model.
You can get the usb lamp for $14.99 USD at GizFever. BTW, don’t miss handmade wooden accent lamp and other related gadgets by following tags.