Easy to use Just touch a button on the head, you can adjust its brightness and color temperature between 3000K-6500K. Press the button for 2 seconds: Set the color temperature to 3 levels (3000K warm light for sleeping, 4200K warm white light for relaxation, 6500K cold white light for reading). Click on the button: adjust the intensity of the light, 3 levels adjustable. LED Eye-caring Light Source Compared to old white incandescent lamps, this LED lamp has many advantages: high light output with lower energy demand, long life bulbs, no heat production, eye care, etc. Portable Design EECOO flexible reading lamp fits anywhere. Its clip-on design makes it a perfect accessory for those with limited work space. This compact LED lamp is widely used in student dormitories or as a child's bedside lamp. Specifications: Power: 3W Color temperature: 3000K-6500K Luminous flux: 50lm (M/ax.) Power supply: 1200mAh rechargeable battery Charging time: about 2 hours Input: Micro USB 5V / 1A Package: 1 x LED reading lamp 1 x USB cable to charge 1 x User Manual [2Color temperature and eye protection] This eye protection lamp has two color temperatures and nine modes for you to choose. [Gooseneck and flexible design] This eye protection light uses a 360° rotatable gooseneck, which is more convenient to use. [USB rechargeable] This eye protection light can be recharged via USB, and there is a red/green indicator light to show the charging status. [Widely used] This eye protection lamp can be installed on desks, headboards, bed frames, office tables, folders, etc. [Eye protection mode] This eye protection lamp has soft lighting, so you won’t feel tired after long-term use.