AFUNTA Rechargeable dual head led reading working bed lamp with AC adapter and usb cable,flexible with adjustable long arm dimmable portable Clip Rechargeable: Built-in 1000mAh rechargeable lithium battery can be powered by AC adaptor and USB port, fully charged only 2 hours. Bettary with several years life span. Dimmable design enable a using time. Can be used as emergency light. Bright: 8 led lamps inside bright enough for your reading and working in dark, offer great protect of your eyes;dimmable, free to choose different brightness that you want,good for energy saving. Portable: Small size and light weight,spring steel arm can be fold to small shape you need,easy to carry on. Perfact for indoor working, reading, gaming, outdoor traveling, camping and hiking. Free Standing & Clip On: Sturdy clip acts as a stand base, allowing the light to stand on its own. It can also be used as a clip on light for bed, laptop, computer, headboard, book, shelf, music stand, cupboard, etc.The padded hinged clip grips any flat and don't scratch your digital devices. AC, USB or Battery Operated: Three power supply mode, AC, USB or battery operated,easy to get a power supply. With USB cord, AC adapter in the package and battery built-in.