[3 lighting modes and stepless dimming] With a sensitive touch switch, you can freely switch between 3 lighting modes-warm white, natural white, and cool white. In each mode, the brightness can be adjusted according to your various lighting needs. In addition, when you select this mode again, the brightness can be remembered, which can time to adjust the brightness again. [Double-head modern design] The desk lamp adopts a double-head design. The left and right lamp heads can be unfolded into a straight line, and the swing angle is 160 degrees up and down, providing you with a larger lighting coverage and angle. Foldable design, effectively reducing writing shadows. [Rechargeable battery-powered desk lamp] With built-in high-quality batteries, you can take your desk lamp to anywhere you need light. At the lowest brightness, the lighting can last up to 15 hours. It has a USB data cable (AC adapter not included), which can be powered by USB chargers, computers, mobile power , mobile phone adapters, etc. You can use it anytime, anywhere. [Eye Protection Portable Study Lamp] The small desk lamp double swing arm lamp is equipped with high-quality 32 LED lights, which can provide flicker-free, shadow-free, flicker-free, and uniform lighting. Perfect for working, reading, studying, webcam zooming and soft light, so you 't disturb others when reading in bed.