Orksun Ultra Sleek Waterproof mini Desk Lamp with 5 Adjustable levels of Brightness . Patented Design (Grey) Adjust according to your needs: Five brightness levels and Rotatable Lamp Head for maximum comfort. Includes a Self Adhesive Mat to secure the lamp onto your desk. Waterproof IP68 Sleek, Classic Design with a Choice of Radiant Colors. Charges with USB cable when connected to a charger or computer