Prepare and configure up to 20 devices at a time with the bretford powersync d20 built on bretfords reliable powersync platform the d20 offers easy access to 20 usb ports each of which provides full rate charging for any ios device when youre ready plug in your mac and use itunes or apple configurator to activate name update restore and configure any combination of ipad iphone or ipod touch large scale processing the powersync d20 was designed to work with apple conf