The Apple Thunderbolt 3 USB-C to Thunderbolt 2 Adapter MMEL2AM/A A1790 is a white adapter specifically designed for Apple devices. It features a USB Type C female connector on one end and multiple connectors including USB 2.0, USB Type C male, and USB-C on the other. Compatible with the A1790 model, this adapter is capable of outputting 5V of voltage, making it a versatile and essential accessory for Apple users looking to connect to various devices seamlessly.