Usage Tips:Features: 1. Stepless Dimming And 3 Color Modes: Desk lamp with the button, just press the "On/Off" button to adjust warm light, cool light, natural light, a total of 3 light color modes. Press the On/Off button to adjust the brightness. You can set up different lights to match different needs. 2. USB Rechargeable Desk Lamp: Built-in Lithium battery, you can easily maneuver it indoors or outdoors while you work or travel. It can also be used while charging via a computer or wall outlet. Very portable and convenient. 3. Eye Protection: This reading light adopts quality LED lamp beads, which emit soft light without ghosting, glare, or flickering. Better protection for your eyes, reading or working, long exposure to light will not make your eyes tired. 4. Multipurpose: It can be the children's lights, study lights, reading lights, office lights, work lights, etc. 5. Wide Range of Applications: Suitable for bedroom, kids' room, living room, office, and so on. Specification: Material: ABS Product Color: Red, Blue, Green, Purple Product Size: 23 x 11 x 39cm Product Weight: 320g Package Included: 1 x LED Desk Lamp + 1 x USB Cable