USB Adapter
USB OTG Adapters
USB OTG adapters let supported phones, tablets, and portable devices act as USB hosts for flash drives, input devices, audio hardware, and other peripherals.
Related: USB-A to USB-C · USB-C · USB Micro-AB
Characteristics
Review USB OTG adapter host behavior, legacy connector forms, typical peripherals, power limits, device requirements, and how modern USB-C handles similar roles.
| Purpose | Let a supported portable device communicate directly with selected USB peripherals |
|---|---|
| Common legacy connector | Micro-USB OTG |
| Host capability | Must be supported by the phone, tablet, or other portable device |
| Typical peripherals | Flash drives, keyboards, mice, controllers, card readers, and some audio devices |
| Power consideration | The portable host may not supply enough power for every peripheral |
| Modern USB-C note | USB-C uses newer role and configuration mechanisms, although products may still market simple host adapters as OTG |
USB OTG articles
Browse guides about USB OTG adapters, host mode, mobile devices, peripherals, power requirements, compatibility, and practical connection questions.
