Next generation Qi technology provides inductive (wireless) charging. Charges any device with Qi built-in or non-enabled devices with the use of a Qi sleeve or door (sleeves and doors sold separately). Charges two Qi-enabled devices simultaneously from anywhere on pad without the need for precise placement. USB port charges one non-enabled device. Indicator light turns off when devices are fully charged and reverts charger to standby mode. Adapter/Charger Type: Qi Inductive; For Device Type: Qi-enabled Mobile Devices; Power Source(s): AC Wall Outlet.