Rechargeable USB LED Desk Light Lamp1. Reading desk lamp with pencil case and phone holder. 2. 18 light sources, hollow circular lighting, no flicker, no radiation, provide sufficient protection for your eyes, brighter light, and gentler with diffuser. 3. It has 3 brightness levels for reading (strong), relaxing (medium) and sleep (weak)), which provide sufficient protection for your eyes. 4. The sensitive touch sensor make brightness switch simple and easy. 5. The tube is made of high