Powered by battery for the ultimate in freedom and flexibility, the striking mushroom shape of the Column Table Lamp, Portable illuminates spaces indoors and out with its inviting glow, adjustable to three settings. The cordless design charges via a concealed magnetic connector and USB cable. The cable charges with a standard USB charger plug. Comes without charger plug. To preserve battery life, switch the lamp off when charging and do not leave plugged in while in use.