The Lightly Used Twelve South PlugBug Duo Adapter Universal Apple MacBook + USB is a versatile and compact plug adapter designed specifically for Apple MacBook models. This red adapter is compatible with various Apple MacBook Air, MacBook, and MacBook Pro models, making it a convenient accessory for charging and powering your devices on the go. With a sleek design and easy connection, this adapter from Twelve South is a reliable choice for users looking to expand their laptop's charging capabilities.