USB rechargeable, energy saving- With special eye production LED light, no harm to the eyes, comprehensively protect your eyes, you can relax reading and studyingWell built, durable and made of high quality materials.Flexible and infinitely adjustable neck for easy positioning of your book reading light.It gives a consistent and evenly distributed light, without hot spots or flicker.- Lightweight and compact, perfect for travel, camping or any activitiesModel: (HK3320-1)-(HK3320-2)-(HK3320-3)(choice at random)Material: ABSColor: random color1. Due to the light and screen setting difference, the items color may be slightly different from the pictures.2. Please allow slight dimension difference due to different manual measurement.