The Juiced Systems USB-C Macbook 12" Multifunction Display Adapter (MBA-03) conforms to your 12" Macbook immaculately. Adding essential functions and versatility such as 2x USB 2.0 ports, a display port, and a Micro SD input, with the ability to charge your Macbook at the same time. Extend your Macbooks display on to a desktop monitor. The mini Display Port supports 4k monitor displays. Add any array of USB peripherals to your Macbook. The Micro SD card reader supports up to 1 TB cards. Adapter comes with a 1 year warranty.