Super Bright LED USB Laptop Light (Black) Sixteen LEDs provide super bright white light makes a great portable book light Operates while plugged into a USB port or computer mouse battery base Light head and neck adjust to direct light where you need it most Use to light up a laptop keyboard as you type away in your living room, bedroom or home office at all hours Virtually weightless, making it a convenient accessory to bring along in your backpack or laptop bag if you have to work in dim spaces on-the-go