Apple

Apple MJ1M2AM/A USB-C to USB Adapter for Mac iPad iPhone

Name: Apple MJ1M2AM/A USB-C to USB Adapter for Mac iPad iPhone
Brand: Apple
SKU: MJ1M2AM/A

★★★★★4.7 (28315 reviews)

USB-CThunderbolt 3

Bridges the USB-A to USB-C gap on modern Apple hardware with zero configuration and full USB 2.0 throughput.

$19.00*

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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Apple MJ1M2AM/A USB-C to USB Adapter is a passive single-port adapter that translates the USB-C connector found on modern Macs, iPads, and USB-C iPhones to a standard USB Type-A female port. The operative technical constraint to understand upfront: this is a USB 2.0 adapter, operating at a maximum of 480 Mbps. That specification defines its appropriate use cases. For keyboards, mice, USB microphones, cameras in PTP transfer mode, and Lightning to USB sync cables, 480 Mbps is more than sufficient. For USB 3.0 flash drives or external SSDs, the adapter becomes a hard bottleneck — the connected device's full bandwidth capability goes unused.

In practice, this adapter solves a specific and common problem: the complete absence of USB-A ports on USB-C only Apple hardware. It is built for users who regularly need to connect a legacy USB peripheral — a camera, a dongle, a flash drive — without carrying a full hub. The all-Apple ecosystem compatibility is genuine; it functions correctly on Thunderbolt 3 Macs, USB-C iPads, and USB-C iPhones without any software overhead. Apple's first-party build quality means the connector fit is consistent and the cable doesn't develop intermittent contact issues common in cheaper third-party adapters. For the narrow but frequent use case of connecting one USB-A device to modern Apple hardware, it is the low-friction solution.

Key Features

The USB-C to USB Adapter lets you connect iOS devices and many of your standard USB accessories to a USB-C or Thunderbolt 3 (USB-C) enabled Mac, iPad, or iPhone.

Plug the USB-C end of the adapter into a USB-C or Thunderbolt 3 (USB-C) port on your Mac, iPad, or iPhone, and then connect your flash drive, camera, or other standard USB device.

You can also connect a Lightning to USB cable to sync and charge your iPhone, iPad, or iPod.

Specifications

Brand

Apple

Model

MJ1M2AM/A

Connector (Host)

USB Type-C

Connector (Peripheral)

USB Type-A Female

USB Standard

USB 2.0

Color

White

Port Count

Driver Required

Compatibility

USB-C and Thunderbolt 3 Macs, iPads, iPhones

Pros & Cons

👍 Pros

Plug-and-play operation on macOS and iPadOS with zero driver overhead — no configuration delay on a working machine.
Compact form factor adds negligible weight and pocket space, making it practical for travel and field use.
Full compatibility with Thunderbolt 3 and USB-C ports covers the entire modern Apple hardware lineup from a single adapter.
Enables Lightning to USB cable passthrough, solving the iOS device sync scenario on USB-C only machines without additional adapters.

👎 Cons

USB 2.0 speed ceiling (480 Mbps) means this adapter is a bottleneck for USB 3.0 storage devices — sustained read/write operations on fast flash drives will be limited to 2.0 throughput.
Single USB-A port provides no expansion — if multiple USB-A peripherals are needed simultaneously, a powered hub is required in addition to this adapter.
Passive design means it draws bus power from the host device, which can be a consideration on battery-powered iPads or iPhones running multiple accessories.
White color finish shows wear and discoloration over time with regular use.

Frequently Asked Questions

What USB speed does this adapter support?

This adapter operates at USB 2.0 speeds (up to 480 Mbps). It bridges USB-A peripherals to USB-C and Thunderbolt 3 ports, but it does not upgrade a USB 2.0 device to USB 3.0 speeds — the adapter's throughput ceiling is set by the USB-A device connected to it.

Will this adapter work on an iPhone or iPad with USB-C?

Yes. The adapter is compatible with USB-C enabled iPhones and iPads. You can connect standard USB accessories such as cameras, flash drives, and USB hubs, or use a Lightning to USB cable through this adapter to sync and charge older Apple devices.

Does this adapter support data only, or can it also charge devices?

The MJ1M2AM/A is a passive data adapter — it does not supply power to charge connected USB accessories on its own. Charging capability depends on whether the host device (Mac, iPad, iPhone) provides power over the USB-C port and whether the connected device supports bus-powered operation.

Is this adapter compatible with Thunderbolt 3 ports?

Yes. Thunderbolt 3 ports use the USB-C physical connector and are fully backward compatible with USB data adapters like this one. The adapter will function correctly in any Thunderbolt 3 or USB-C port on a Mac, iPad, or iPhone.

Does this require any drivers or software installation?

No. The adapter is plug-and-play on macOS and iPadOS. No drivers, firmware updates, or configuration are required — connect it and the host device recognizes attached USB peripherals immediately.