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Four small USB-A and USB-C data blocker plugs in a row

SMUGDESK

SMUGDESK 4 Pack USB-A & USB-C Data Blocker Plugs

SKU CH-1J0H-XT6GS

Four USB-A and USB-C blockers disable data pins while keeping full fast-charging speed for safe public charging

  • Blocks data transfer to stop juice jacking
  • Keeps original fast charging speed intact
  • Includes both USB-A and USB-C blockers
  • Compact mini plugs fit pocket or bag
  • Durable insulated housing resists wear from repeated use

USB-A and USB-C Data Blockers

This four-piece set contains two USB-A and two USB-C charge-only adapters that physically disconnect the data pins while leaving the power lines intact. They are intended for anyone who regularly charges phones, earbuds or other portable electronics at public stations and wants to prevent juice-jacking or unwanted data access. The plugs work with any device that charges over standard USB-A or USB-C ports.

Plug-and-Play Installation

No drivers, software or configuration are required; simply insert the blocker between the cable and the charging port. The only common issue is forgetting to remove the adapter when a data connection is actually needed, which will make the device invisible to the host computer. The compact housings fit tightly, so a firm pull may be needed to unplug them after extended use.

Charge-Only Capacity

Each adapter passes the full charging current the host port provides, so fast-charging speeds are maintained for smartphones, tablets and accessories. They do not increase available power and cannot enable fast charging on ports that lack the necessary protocol. Data transfer is completely blocked, so syncing, debugging or file access will not function while the blocker is in place.

Highlights

  • Blocks data transfer to stop juice jacking
  • Keeps original fast charging speed intact
  • Includes both USB-A and USB-C blockers
  • Compact mini plugs fit pocket or bag
  • Durable insulated housing resists wear from repeated use

Specifications

No published specifications for this item yet.

Questions about this item

How can I verify the SMUGDESK blockers are actively stopping data transfer when I plug my phone into a public USB port?

The phone will show a charging icon but will not appear as a connected device in file explorer, Finder or Android File Transfer, and no sync or debug prompts will appear on screen.

What comes in the 4-piece set and do I need any extra cables to use them?

The pack contains two USB-A and two USB-C data blocker plugs; you simply insert one between your existing charging cable and the public port, so no extra cables are required.

Which blocker should I pick for my USB-C phone versus my older USB-A power bank?

Use the USB-C plug for devices with USB-C ports and the USB-A plug for devices or power banks with standard rectangular USB-A ports; both support full fast-charging speed.

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