Adjustable Brightness and Color Temperature: The lamp has three light modes - white light, warm light and a combination of both. With a simple touch, you can switch between these modes and vary the brightness to create the perfect atmosphere for different activities. Long Battery Life: The desk lamp comes with a built-in 600 mAh polymer battery, which can be easily charged in just 2 hours. With a battery life of up to 4.5 hours, you can enjoy longer use without having to charge. Energy-efficient LED lighting: With seven high-quality LED lamp beads, the reading lamp emits a comfortable and flicker-free lighting. Smart design: With its compact size and practical clip, the clip lamp is easy to move and place exactly where you need it. The touch-sensitive control panel allows for easy control. Specifications: Material: ABS Size: 22 x 8 x 4 cm Temperature: 1800-6000K Battery capacity: 600 mAh Charging time: 2h Battery life: 4.5h Lamp beads: 7 (3 warm yellow lights, 4 white lights) Output: DC5V 1A Voltage: Less than 36V Max power: 1.4W Settings: Three light colors by pressing (1 press for white light, 2 presses for warm light, 3 presses for warm white light, long press for stepless dimmer) Package includes: 1 x clamp lamp 1 x USB charging cable User manual Comfortable and flicker-free light 3 adjustable light modes and dimmer User-friendly design Robust clamp Rechargeable - allows flexible placement