I don't have my touch bar MBP yet, but I got a pair of these from Amazon and they look pretty decent quality. My plan is to just keep my USB cables (iPhone, external HD, etc.) permanently connected to one of these as they're cheap rather than doing the dongle system. Is there a downside to this solution? Any comments from those who have experience with similar adapters is appreciated.
USB C Adapter, Rankie 2-Pack Hi-speed USB-C to USB-A 3.0 Adapter for USB Type-C Devices Including MacBook, ChromeBook Pixel, Nexus 5X, Nexus 6P, Nokia N1 Tablet and More - R1209 https://www.amazon.com/dp/B01EL4PVFE/ref=cm_sw_r_cp_api_9ulfybRHQQBBQ

USB C Adapter, Rankie 2-Pack Hi-speed USB-C to USB-A 3.0 Adapter for USB Type-C Devices Including MacBook, ChromeBook Pixel, Nexus 5X, Nexus 6P, Nokia N1 Tablet and More - R1209 https://www.amazon.com/dp/B01EL4PVFE/ref=cm_sw_r_cp_api_9ulfybRHQQBBQ

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