AGPtEK LED Desk Lamp Eye Care Natural LED Light with USB Charging Port (4 Lighting Modes- Reading/Studying/Relaxation/Bedtime, 5-Level Dimmer, Touch Sensitive Control Panel, 1-Hour Auto Timer) - Piano Black This LED desk lamp present many advantages over incandescent light sources including lower energy consumption, longer lifetime, improved efficiency, faster switching, UV radiation free and environmentally friendly. With touch sensitive control panel ,easy to change 4 lighting models reading/studying/relaxation/bedtime. Each mode include 5 leve brightness adjustment 5v 1A USB socket compatible with phone,camera ,MP3 and various digital device. A foldable design allows this desk lamp to be easily stored. Adjustable and rotatable arm allows the lighting to be adjusted to your need.