Connect a USB Device to Your New MacBook The EZQuest USB-C/Thunderbolt 3 to USB-A Female Mini Adapter lets you connect your USB devices including a thumb/flash drive, mouse, keyboard, or printer to a New MacBook or USB-C/Thunderbolt 3 ready computer. The EZQuest USB-C/Thunderbolt 3 to USB-A Female Mini Adapter lets you charge/sync your iPhone, iPad, or smartphone to a USB-C/Thunderbolt 3 ready MacBook, computer or other USB-C/Thunderbolt 3 powered devices. Compatible with USB 3.0/2.0 and USB-C Ready Devices with OTG Now you can access information from your USB 3.0 hard drives and other devices. With this adapter, you can also connect to older peripherals that support USB 2.0, as well as USB-C ready devices with OTG support for smartphones and tablets.