Types of OTG USB Devices
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Dual Connector Drives (2-in-1):
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Features a USB-A (for computers) on one end and a USB Type-C or Micro-USB (for phones) on the other.2
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Example: SanDisk Ultra Dual Drive Luxe.
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Multi-interface Drives (4-in-1):
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Includes USB-A, Type-C, Micro-USB, and Lightning (for iPhone) all on one device.3
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Example: Digirich 4-in-1 or generic metal swivel drives.
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OTG Adapters (Dongles):
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Small converters that turn your phone’s charging port into a standard USB-A female port, allowing you to plug in any standard flash drive, mouse, or keyboard.4
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Detailed Specifications
| Feature | Specification |
| Interface | USB 3.0 / 3.1 / 3.2 Gen 1 (High Speed) |
| Connector Types | Type-C, Micro-USB, Lightning, USB-A |
| Capacities | 16GB, 32GB, 64GB, 128GB, 256GB, up to 1TB |
| Transfer Speed | Up to 150MB/s (on USB 3.0+ models) |
| Compatibility | Android (Type-C/Micro), iPhone 15+ (Type-C), older iPhones (Lightning) |
Key Benefits
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Instant Storage Expansion: Quickly move heavy photos and videos off your phone to free up space.
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Direct File Sharing: Transfer documents from an iPhone to an Android or PC instantly without using data or the cloud.
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Peripheral Support: Using an OTG adapter, you can connect a gaming controller, wired mouse, or even a musical instrument (MIDI) to your phone.5
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Emergency Boot Drive: Can be used to run a portable OS or recovery tool on a laptop.






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