Vinsun Touch Lamp Portable Clip On Desk Lamp,Eye Care Desk Light [3 In 1- Stand/Clip On/Wall Mounted] Book Reading Light, Touch Control, Bendable Gooseneck, USB Powered, Dimmable Light - White DIMMABLE LIGHT. Soft Touch-sensitive control panel with dimmable light enables to adjust to the most comfortable brightness. USB Powered or using BUILT-IN RECHARGEABLE BATTERY.Can be cordless and portable. MULTI-FUNCTION. Can clip on table or virtually anywhere with its Max open clip 2 inches. Can stand on its own or wall mounted. With rubber pads at bottom for anti-slip and anti-scratches. RECHARGEABLE BATTERY.Can support the lamp for up to 8hrs lighting. High quality 18pcs LED chips.Smooth and uniform lighting, no ghosting, no glaring, no flicker. EYE PROTECTION. Soft and glossy white light comfortable for book reading, study, bedside in home, dorm, table, office, piano or even outdoor activities. FLEXIBILITY. Gooseneck bendable tube, adjust easily to which ever angle or height you prefer for better directing of light. 12Months Warranty Period.