LEDHOLYT Eye Protection LED Desk Lamp with 3 Light Modes 6 Dimmable Levels Flexible USB Charger Touch Control Nightlight Lamp Free Foldable Built-in battery,2000mA capacity,USB charging wire.Flexible gooseneck to adjust the angle.180 degree bendable. 3 light modes,yellow 3000k for screen fill,warm white 4000k for reading,white 5000k for office writting. Touch switch, and touch to adjust the brightness,6 different brightness available. Portable design, eye protection, no flashing light, environmental material, no harm to human beings. Perfectly suitable for studying, reading, relaxing, sleeping, office, ect.