Moshi's USB-C to Dual USB-A Adapter is a sleek portable adapter that provides two additional USB 3.1 Gen 1 ports for your USB-C MacBook. Connect any standard USB device such as an external hard drive, keyboard, mouse, or printer using this adapter. Both ports provide for high-speed data transfer (at up to 5 Gbps). The adapter's anodized aluminum housing not only minimizes EM interference, but also complements your MacBook perfectly. *Apple SuperDrive is not compatible with USB-C to Dual USB-A Adapter.