Desk Lamp, 20 LED Rechargeable Clip-on Lamp for Reading. This 20 LED clip-on desk lamp features eye-caring light sources and is perfect for reading, studying, working, drawing, sleeping, and more. It reduces eye strain and protects your eyes. Three adjustable modes with a touch sensor – a touch-sensitive button controls brightness and color temperature. 360° adjustable flexible gooseneck – the freely rotatable tube can be rotated 360 degrees, providing the best viewing angle. USB rechargeable – the built-in 3000mAh battery allows this mini LED lamp to work for up to 48 hours on low brightness when fully charged. Modern LED Battery Operated Clip-on Desk Lamp, Rechargeable Lamp/Book Light, USB Charging, Flexible LED Reading Light, Touch-Sensitive 3-Color Models and Brightness Adjustment, Stepless Portable Push Lamp, Adjustable Gooseneck Arm, Convenient 360° Flexibility to Illuminate from Any Angle. The lamp has 20 LED beads with a larger lighting design to add a bright glow to every corner. Charge the built-in rechargeable battery before first use. If not used for a long time, charge once every two months. Use specified transformers and power outlets to maintain proper function. This is only compatible with the 5V/1.5A adapter – otherwise, it will damage the control button and the light. Do not place the product in high temperatures or high humidity. To avoid eye damage, do not look directly at the light panel for extended periods.