Gotd USB 3-LED Clip-on Table Desk Reading Light Lamp Bulb For Laptop Computer, USB Power (Black) Super bright USB port 3 LED lamp for laptop, reading or learning Size:110*47*47mm Shine a light on your work anywhere you have a USB port! This 3 LED light connects to a USB 2.0 port from a 150 cm cable and is attached to a clip for easy mounting. The light can also be positioned to shine the light on just the right spot due to the flexibility and swivelling