Connect a USB Cable to Your new MacBook The Kanex USB-C > USB Adapter lets you connect your USB devices including a mouse, keyboard, or printer to a new MacBook or USB-C ready computer. The adapter can also charge your iPhone or smartphone. Compatible with USB 3.0 and USB 2.0 Devices The USB-C > USB Adapter lets you connect to your USB 3.0 hard-drives and other devices. With this same cable you can also connect to older peripherals that support USB 2.0.Charge With What You Have If you already own a USB 3.0 or USB 2.0 wall charger, car charger or battery pack you can pair it up with the USB-C > USB Adapter to charge your new MacBook or USB-C ready computer on the go or at home.Connect to More Our line of USB-C connectivity solutions is made with your needs in mind. As we welcome the new USB-C devices, we"ve identified a need to bridge the gap between the old, current and new technologies.