Flex-Neck Clip-On LED Laptop Lamp Light by ENHANCE - Works With Dell XPS 13 , Google Chromebook Pixel , HP Spectre x360 and More Laptop Computers Plugs directly to your USB port, no batteries required! Works With Dell XPS 13 , Google Chromebook Pixel , HP Spectre x360 and More Laptop Computers 7 LED light configuration provides a bright glow to your environment with low power consumption Flexible metal neck with convenient on/off button Spring-loaded clip conveniently mounts to most laptops, monitors, keyboards, desks and more surfaces up to 1.75 inches thick ; 36 inch cord length Comes with 3 Year Manufacturer's Warranty!