Daffodil LEC150 USB Light &ndash; Energy Efficient Reading Lamp with 12 Bright LED Bulbs, Flexible Gooseneck / Plugs into Your PC or Mac's USB Port to Light-up its Keyboard and Screen. No Batteries Needed (Black) Keyboard / Desk Light with 12 LED Bulbs Gooseneck for Precise and Flexible Lighting USB Powered Plug and Play Device Energy Efficient: Low Power Consumption