Roland GO:MIXER PRO-X Owner's Manual page 6

Connecting a Smartphone
Three USB cables for connection to a smartphone
are included with this device.
By using these USB cables, you can supply power
from a connected smartphone to this device.
Connecting an iPhone or iPad
This is a Lightning–USB cable for connecting
this device to an iPhone or iPad.
Connecting an Android
Smartphone
This is a USB cable for connecting this device to a
smartphone equipped with a USB Type-C®
connector.
* When power is supplied to this device from
a smartphone, the smartphone's battery is
consumed more heavily than usual.
* Some Android smartphones do not offer USB
connectivity. For these models, connect a 3.5
mm TRRS audio cable to the earphones jack of
the smartphone (p. 5).
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