Using the Blomus FAROL Rechargeable Mobile LED Table Lamp is a breeze. To turn it on or off and control the brightness levels, just briefly touch the top center of the lampshade. You'll have three different brightness settings to choose from, so you can set the perfect mood for any occasion. When it's time to charge, simply use the USB plug to connect it to a power source. The charging time will vary, and a full charge can last between 8 to 40 hours, depending on which brightness level you use. As for maintenance, keep the lamp clean by gently wiping it with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials as they could damage the aluminum surface. When not in use, store the lamp in a cool, dry place. And remember, this item is covered by our 30 - day return policy, so if you have any issues, you can return it within 30 days.