PREMIUM MATERIAL : Adopts premium LED, no flicker, nonradiative, friendly to eyes. The light shell and neck uses good quality metal and PBT flame retardant materials, safe to use. | FLXIBLE AND STURDY : These LED reading lamps feature with 360 degrees flexible goosenecks, which are made of stable and flexible, will bring light to your favorite position | SOFT BRIGHTNESS LED LIGHTS : LED lights with high brightness, can serve for a long time. Bright enough to illuminate the desktop, comfortable and soft, no eye injury and does not affect others. | WITH USB INTERFACE : Comes with USB interface, suitable for laptop, desktop computer and other devices with USB socket. | LIGHTWEIGHT & EASY TO CARRY : This USB LED Lamp is easy to use. Metal Swing Arm Desk Lamp is compatible with almost all USB devices. Table Lights are also lightweight and small so you can carry them to anywhere you want.