The color temperature and brightness of the LED lamp can be adjusted easily. Moreover, this product provides a more uniform, delicate, and glare-free light that protects your eyes. This product is a must-have for any student. As a must-have for any home and office, the lighting angle of this LED reading lamp can be adjusted easily and flexibly owing to its 180 degree adjustable arm and 90 degree rotating axis base design. The lampshade is made of plastic material. In the base of the desk lamps, a USB port is easy to charge your devices within reach. Featuring phone holder function, the night light can be put your phone. And folding design allows you to carry it easily. With soft and non-glaring light, this office lamp protects against eye fatigue caused by flickering light. Its versatility allows it to work as a desk lamp, a reading lamp, or even a portable work lamp for home, office or dorm room. Item Name: Desk Lamp Material: Plastic Switching Mode: Touch Control Light Source: Cold and Warm Dual Color LED Voltage: Minus or Equal to 36v Power Supply Mode: Built-in Battery Capacity: 4000-4800 mAh Features: Folding, 3 Modes, Eye Protection Specifications: A: Small, Charging Type, 4800mAh, 3 Levels Brightness Adjustable/Color Temperature Adjustable B: Small, Charging Type, 3 Levels White Light, Brightness Adjustable C: Large, Charging Type, 4000mAh, Brightness Adjustable/Color Temperature Adjustable D: Large, Charging Type, 4800mAh, Brightness Adjustable/Color Temperature Adjustable Size Details: Size: Small, Base Area: 13.5cm x 9cm/5.32" x 3.55", Lamp Rod Length: 28.5cm/11.2", Lamp Length: 25.5cm/10" (Approx.) Size: Large, Base Area: 17.5cm x 12.5cm/6.9" x 4.93", Lamp Rod Length: 32.5cm/12.8", Lamp Length: 29.5cm/11.6" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Desk Lamp 1 x USB Cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.