Cordless table lamp USB rechargeable for study and bedroom lighting 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.<br> Eye-Care & 3 Brightness Levels: This table lamp provides soft light for the eyes, comfortable lights 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.<br> USB Charging & Cordless Use: The desk lamp has a built-in 1200mAh battery, can be used wirelessly for 3-12 hours (depending on the brightness). In addition to using a socket, you can also use a power bank or computer to charge it.<br> Touch Control: The dimmable LED desk lamp with the touch control panel allows you to adjust the power, different brightness and lighting modes with just one button, the lamp turns on.<br> Wide application: 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 functions, it offers you the desired light in different situations.