Thank you for viewing! 【Freely Extendable Design】 This desk light features a freely extendable, USB-powered design. The height when not extended is approximately 39.5cm, and the maximum extended height is 58cm. The socket can be expanded up to 90°, and the lamp holder can rotate 135°. You can freely adjust the angle and height of the arm, allowing you to change the lighting angle to your preference. 【5-Step Color Temperature Adjustment & Stepless Dimming】 Stepless dimming (10%~100%) and 5-step color temperature adjustment from daylight to natural white to warm white (3000~6500K) allow you to freely adjust your preferred color and brightness. You can easily switch between work and break times, allowing you to concentrate more on your work. 【High Color Rendering & Eye-Friendly】 With 76 chips, a double light source, and a high-brightness, wide-illumination desk lamp, it's flicker-free and has a color rendering index of Ra80+, making colors appear more natural and vivid. This desk light reduces eye strain, making it less tiring for long hours of work or reading. 【Foldable Arm】 The lamp body is foldable, making it easy to store. After use, it can be folded compactly for storage, keeping your desk space tidy. It's also a portable LED desk light, convenient for business trips and travel. 【Timer Function】 It also features an easy-to-use timer function. The LED desk light automatically turns off after the set time (45 minutes) has elapsed, eliminating the worry of forgetting to turn it off and helping to save energy.