Using your Brahma Rechargeable LED Table Lamp is a breeze. First, assemble it as the assembly is required. Once it's set up, you can use the touch dimmer on the base to adjust the light brightness according to your needs. To recharge the lamp, simply connect it to a power source using the built - in USB port, and it'll take about 3.5 hours to fully charge. The lamp can shine at maximum brightness for about 7 hours. Now, for the important stuff. This lamp contains some chemicals (DEHP and lead) that can be harmful to your health, so handle it with care. When it comes to maintenance, always disconnect the power before cleaning. Use a soft, dry cloth to wipe the lamp and the shade. Never use chemicals or household cleaners as they can ruin the finish. Keep these tips in mind, and you'll enjoy your lamp for a long time.