Usage Tips: Foldable Lamp ArmBest Lighting Angle: You can rotate the desk lamp arm up to 225 and tilt it up to 90, the base axis can rotate 160. The LED desk lamp can be adjusted to your favorite angle. So you can choose the best lighting angle to meet different needs.Eye Care & 3 Brightness Levels: This desk lamp provides soft light for the eyes, comfortable light without ghosting can prevent eye fatigue. With the 3 adjustable brightness levels, you can adjust the light intensity and create the right atmosphere for different activities.USB Charging & Cordless Use: The desk lamp has a built-in 1200mAh battery, can be used wirelessly for 3-12 hours (depending on brightness). In addition to using an outlet, you can also use a power bank or computer to charge it. Touch Control: The dimmable LED desk lamp with touch control panel allows you to adjust the power, different brightness levels and lighting modes with just one button, the lamp turns on. Wide Use: The desk lamp is suitable for many applications. It can be used as a reading lamp, bedside lamp or desk lamp. It is ideal for use at home, in the office, in the bedroom or even when traveling. With its compact size and versatile features, it offers you the desired light in various situations.