??Customer true love: 1.The adjustable gooseneck makes it very easy to place the light where you need it the most(headboard,desk,side table,book,bookshelf,piano).The clip is sturdy,powerful,solidly built and it is padded so it doesn't scratch the anything.2. The two options (Cool white and Warm white) for whichever you prefer.it gives the perfect amount of light to protect your eyes.Enjoy comfortable, non-flickering light.3.You can attached it to the headboard of the bed and it allows you to color and read or work while relaxing in bed.4.The kids could have a reading light on top bunk in college.Will not disturb other classmates when sleep.5.Good quality product and Great works.As a gift to mom, girlfriend, child, husband.6.Love the idea that comes with USB to plug it in laptop or portable charger.Specification:Material:Aluminum+Acrylic. Color Temperature:3000K/6000KInput Voltage:Power Supply 86-265V/USB 5V. Color Rendering Index(CRI):80Beam Angle:120 Degree. Working Temperature: -30?50?USB cable Length:59in. Size: ?3.5+18.3H inSwitch:wanrm white/off/cool whiteFeature:Functional:Allow set the brightness level,and easily clip onto desk,bed Headboard,computer,book and piano etc... Portable:The convenient and compact size of this clip light makes it a perfect for trips&camping.Idea as a travel book light or track light.Flexible:The 360 degree adjustable arm is very well made of high quality materials.It stays in place where it has been put without moving or sliding about.Smart:This charming device comes with a USB and adapter,you can take it to anywhere along with a power bank.Package:?1x Clip on light.?1x 86-265V adapterWarranty:1 year warranty and friendly customer service,any questions please don't hesitate to contact us.