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Short USB-C male to USB-A female cable with extra power lead

BUCIER

BUCIER USB-C 3.1 to USB 2.0 Female OTG Cable with Extra Power

SKU CH-VFZY-9F5PF

Connects USB 2.0 peripherals to USB-C 3.1 hosts while supplying extra power for drives

  • TypeUSB
  • Connector TypeUSB Type C
  • Connector DetailUSB Type C
  • Terminal GenderMale-to-Female
  • FeaturesHigh Speed
  • USB 3.1 host enables fast data transfer
  • Extra power cable supplies USB hard drives and flash drives
  • OTG function connects peripherals to phones and tablets
  • Male-to-female design adapts USB-C ports to USB 2.0 devices
  • Cannot charge the host laptop, tablet or phone

USB-C 3.1 OTG adapter with auxiliary power

This cable converts a USB-C 3.1 host port into a USB 2.0 female receptacle for On-The-Go connectivity. It suits tablet, phone or laptop users who need to attach standard USB peripherals such as flash drives or hard disks. An extra power lead supplies current to the connected device when the host port cannot deliver enough. The adapter does not charge the host computer, tablet or phone.

Passive operation with no active cooling

The assembly contains no fan, heatsink or active thermal components, so it runs silently and draws negligible power itself. Heat is limited to the small voltage drop across the connectors during data transfer. Because the host port and the auxiliary power source share the load, the adapter stays at ambient temperature in normal use.

Sustained transfers limited by USB 2.0 bandwidth

Under continuous read or write workloads the link remains capped at USB 2.0 signalling rates, so throughput does not exceed that ceiling regardless of the host’s 3.1 capability. The auxiliary power line prevents voltage sag on bus-powered drives during long sessions, avoiding disconnects caused by insufficient current. No thermal throttling occurs because the adapter has no active electronics to overheat.

Highlights

  • USB 3.1 host enables fast data transfer
  • Extra power cable supplies USB hard drives and flash drives
  • OTG function connects peripherals to phones and tablets
  • Male-to-female design adapts USB-C ports to USB 2.0 devices
  • Cannot charge the host laptop, tablet or phone

Specifications

BrandBUCIER
TypeUSB
Connector TypeUSB Type C
Connector DetailUSB Type C
Terminal GenderMale-to-Female
FeaturesHigh Speed

Questions about this item

How do I connect the extra power cable when using a USB hard drive with this OTG adapter?

Plug the USB-C male end into your host device, attach the peripheral to the USB 2.0 female port, then connect the extra USB power lead to a separate 5 V source such as a charger or power bank; the adapter draws no power from the host.

Will the female USB 2.0 port wear out faster than a standard cable?

The port is a standard USB 2.0 Type-A socket rated for typical insertion cycles; no special maintenance is required beyond keeping it free of dust and debris.

What limits transfer speed during a long file copy to an external drive?

The link negotiates at USB 2.0 speeds, so sustained throughput is capped by that interface regardless of the USB 3.1 host connector.

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