Feature: 1. Smart LED Display: USB Charging Table Lamp built in 2000mAh lithium battery, providing continuous illumination for up to 4 hours on highest brightness and 24 hours on lowest brightness. It features digital clock, calendar, and temperature display, helping you stay organized and efficient. (Adjustable buttons on lamp back) 2. Multiple Functions: This versatile lamp not only offers lighting but also comes with a fan function, adjustable between three different speeds. Whether you need a gentle breeze or full ventilation, this lamp will provide great convenience and comfort for your work and study. (Comes with 2 detachable pen holders) 3. 360° Adjustable Design: The round head design allows the lamp to be swung 180 degrees vertically, providing direct illumination wherever you need it. The foldable design makes it easy to carry on the go, perfect for students, readers, manicurists, and repair technicians. (3 lighting modes and stepless dimming) 4. Eye Friendly Lighting: Equipped with constant current stable dimming solution, this lamp ensures stable output while protecting your eyes from flicker and glare. It is ideal for students, readers, office workers, beauticians, and repair technicians, suitable for various scenarios. (No video flicker, adjustable at any time) 5. Portable and Rechargeable: The compact lamp is powered by a premium 2000mAh battery, offering portability and convenience. With 3 color temperatures, 4500K warm white, 6000K white, 3000K warm yellow and stepless dimming. Specification: Item Type: LED Desk Lamp Material: ABS, Electronic Components Battery: Built in 2000mAh Lithium Battery (Shipped with Built in Battery) Rated Power: 7W Input Voltage: 5V Rated Voltage: 5V Rated Current: 1A Color Temperature: 3 Kinds, 4500K Warm White Light, 6000K White Light, 3000K Warm Yellow Light Brightness: Stepless Dimmable Wind Speed: 3 Speeds. Package List: 1 x Desk Lamp with Fan1 x USB Charging Cable2 x Pen Holder1 x Instruction Manual