Sony DSC-RX100M2 - Manual (Page 221)

If you connect two or more USB devices to a single computer at the same time, some devices,
including the camera, may not operate, depending on the types of USB devices you are using.
Connecting the camera using a USB interface that is compatible with Hi-Speed USB (USB 2.0)
allows advanced transfer (high speed transfer), as the camera is compatible with Hi-Speed USB
(USB 2.0).
When your computer resumes activity from suspend or sleep mode, communication between the
camera and your computer may not recover at the same time.
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