Features: 1.No screen reflection, adopt asymmetrical circuit design, only illuminate the desktop space, effectively reduce screen reflection. 2.USB power interface, whether it is a computer mobile phone charger or a power bank, as long as it is a 5V?1A power source, it can power the hanging lamp. 3.Adjustable color temperature, warm lighting makes people relax, cool lighting makes people concentrate and improve work efficiency. 4.Exquisite craftsmanship, simple and elegant appearance, very easy to be fixed on the computer screen, bring you convenience. 5.Made of high quality ABS and aluminum material, safe and eco?friendly, firm and sturdy, durable for long term use. specification:Condition: 100% Brand New Item Type: Computer Monitor Light Material: ABS+Aluminum Power: 3W Power Source: USB cable Color Temperature: Positive white light, warm white light, natural white (adjustable) Lamp Length: Approx. 26cm / 10.2in PackageList: 1 x Reading Light 1 x Storage Bag 1 x Manual Note1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.