Description: Name: multifunctional eye lamp Material: ABS + PP Style: three-gear white/dimmable toning Size: lamp cap diameter 9cm, total length 39cm, clip base 12 * 5.5cm Light source type: LED lamp bead Brightness adjustment: third-speed brightness adjustment Color temperature: 4500K warm white light Power input: 5V-1A Power supply mode: USB power supply Specifications: 1.The pen holder design save your space to tidy pens, rulers, or makeup tools. ,and the phone holder design make you more convenient to place your phone when watching video. 2.As a dimmable desk lamp, it has 3 brightness and 3 color modes, a total of 9 levers brightness (max 350lm). Color temperature is 4500K warm white.It comes with no light for shadow/dizzying/unnecessary flash. Protect your eyes when studying or working. 3.With built-in battery, the white desk lamp can last for about 2-6 hours after fully-charged(usb cable included but adapter not). 4.Use the touch switch to turn on and off, change colors,and long touch to adjust the brightness. You can change the head angle with the flexible goose neck to have your light pointed in any direction. 5.Due to its lightweight design and built-in battery, you can maneuver with it around easily in the home/office/college.A good gift for your kids,family or friends. Package Included: 1 * lamp + USB line