Bought new and opened but never used. The Apple A1790 Thunderbolt-3 USB-C to Thunderbolt-2 Adapter is a portable unit designed for connecting a Thunderbolt-2 device to a Thunderbolt-3 port on a Mac. It features a white color and a USB Type-C female connector for easy connectivity. With an output voltage of 5V, this adapter allows for seamless compatibility between different devices and ensures efficient power delivery. Perfect for expanding connectivity options on the go, this Apple adapter is a reliable and convenient solution for users looking to enhance their computing experience.