Description Non-flickering LED source for eye protection: softer, no flicker, no shadow, no dizzying light, reducing eye strain. Ergonomic neck gives the lamp a spin of 360 arbitrary. Consists of silica gel, super comfortable feeling, and the size and angle can adjust at will. The light has a sturdy clamp with a silicone non-slip pad, which does not damage the furniture and wont slip either. Provides the USB cable, this LED light has a built-in 600mAh rechargeable battery. You can quickly charge it by USB cable. Non-flickering LED source for eye protection: softer, no flickering, no shadows, no dizzying light, reducing eye fatigue. The ergonomic neck gives the lamp an arbitrary 360 rotation. Consists of silica gel, super comfortable feeling, and the size and angle can adjust at will. The light has a sturdy clamp with a silicone non-slip pad, which does not damage the furniture and wont slip either. Provides the USB cable, this LED light has a built-in 600mAh rechargeable battery. You can quickly charge it by USB cable.