Charge your MacBook + iPad and iPhone simultaneously from one outlet. Plug Bug Duo is a dual, 12-watt USB charger that snaps onto the back of any MacBook Power Adapter, including USB-C and iPad Power Adapters. This must-have accessory is a way to reclaim the missing USB ports on the newest MacBook and MacBook Pro models. Plug Bug Duo includes five international Snap-On plugs and doubles as an international, stand-alone USB charger for iPhone, iPad, Apple Watch and any other USB charging device.