Multi purpose: It is a portable lamp for laptop keyboard, reading lamp, book lamp, notebook lamp. Foldable design: The lampshade is bendable, and can twist and tilt freely to adjust the direction of light. Applicable to: power supply, laptop, desktop computer, USB socket, USB humidifier, charging-head. Eye-protection reading lamp: energy-saving LED emits soft lights to avoid eye fatigue. The lamp is PVC+USB socket+metal-heat sink, which is and easy to carry and use.