E3L 5W Flexible & Swivel Clip on Eye Protection LED Table Desk Lamp Reading Light- USB Light, BBQ Grill Light (White) Handy click-on to desks and tables wherever you need. The desk lamp has 2 power sources: USB ports and power adapters. Versatile Flexible Neck-- Direct light onto your keyboard or book without disturbing others. Non-glare LED reading light, effectively reduce eye strain and headache. 5 Feet (1.5m) power cable. Please note: light bulb is not replaceable.