LEDQuant Dimmable Eye-Care LED Desk Lamp (Flexible Neck, Touch Controller, USB cable, No Flickering, No Ghosting, Black) - LED lighting source creates uniform unidirectional and vision friendly lighting - No flickering, no dark area, and no ghosting protects your vision and reduces eye fatigue - Intuitive one touch button control with 3 brightness levels; Minimalist design with a fully adjustable goose-neck to optimize your lighting source - - USB cable allowing to power from Laptop or Computer in addition to line voltage plug - Package Includes: 1 x Lamp; 1 x Power Adapter; 1 USB Cable; 1 x Quick Installation Guide.