OTG (On-The-Go)
Buying & QualityA USB feature allowing phones and tablets to act as a host, connecting keyboards, drives, and other peripherals.
USB OTG lets a smartphone connect directly to a flash drive, MIDI keyboard, or Ethernet adapter without a computer. Requires an OTG adapter (Micro-B or USB-C to Type-A). Most Android devices and iPads support OTG natively.