[3-Pack] ALED&reg; Mini USB LED Light Lamp 180 Degree Adjustable Portable Flexible for powerbank PC Laptop Notebook Computer keyboard,perfect for Night Working & Book Reading, 10,000 hours working life Easy to use: just plug and play, no need of button/battery Energy-saving & safe: no hassle of changing battery, no danger of holding a candle when your are camping Eye-protection: lambency lampshade protect your eye from direct light