JSAUX CM0011 USB-C to 3.5 mm Audio Adapter

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Product guide

JSAUX CM0011 USB-C to 3.5 mm Audio Adapter

JSAUX CM0011 is a compact USB-C to 3.5 mm adapter for connecting wired audio equipment to compatible USB-C devices. Its listing claims support for headphone controls and a DAC rated up to 16Bit/48Khz, but microphone and control support has specific exceptions, so check those limits against your device and headset.

At a glance

Converts USB-C digital audio to analog audio for 3.5 mm headphones and other audio devices, according to the listing.
The listing says headphone function keys can support calls, volume and pause, with stated exceptions for some EarPods and device combinations.
The 3.5 mm port is specified for CTIA. OMTP, TS and TRS microphone-only devices are listed as unsupported.
Manufacturer claims a strain-relief design intended to withstand 15000+ bending tests.

Price

$5.66Save 19%

Reference price: ~~$6.99~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

Small listed dimensions make the adapter easy to carry with a phone or tablet.
A stated DAC sampling rate and CTIA headset compatibility give buyers concrete compatibility details to compare with their equipment.
The listed device range includes selected iPhone, Samsung, iPad, MacBook, Pixel, Huawei and OnePlus models.

Cons

Apple EarPods with a 3.5 mm plug do not support microphone functionality or volume adjustment through this adapter, according to the listing.
Some devices that already have a 3.5 mm jack may not support calls or music controls through the adapter.

Technical specifications

11 specifications

Identity
Brand	JSAUX
Model	CM0011

Connections and audio
Connector types	Auxiliary, USB Type C
Number of ports	2
DAC sampling rate support	maximum support for 16Bit/48Khz audio sampling rate
3.5 mm port compatibility	CTIA

Dimensions and installation
Dimensions listed	0.71 x 0.39 x 0.2 inches
Weight listed	9.07 g

Appearance and power
Color	Grey
Finish	Matte
Power plug type	No Plug

What to know before buying

The listing gives a broad device list but also warns that support for calls and music controls varies by device. It specifically excludes microphone and volume adjustment for Apple EarPods with a 3.5 mm plug, and lists OMTP, TS and TRS microphone-only devices as unsupported. Confirm your device's USB-C audio support and headset wiring before buying.

Who is it for?

A good fit for

People with a compatible USB-C phone, tablet or computer who want to use 3.5 mm headphones or speakers.
Buyers using CTIA-wired audio gear who can work within the listed call and control limitations.

Less suited to

People who need guaranteed microphone or volume-control support with Apple EarPods that have a 3.5 mm plug.
Users of OMTP, TS or TRS microphone-only equipment.
Anyone who needs a charging port while listening. The listing specifies no power plug and does not describe charging support.

JSAUX CM0011 USB-C to 3.5 mm Audio Adapter · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 35,299 ratings

5 stars75%75%
4 stars12%12%
3 stars5%5%
2 stars2%2%
1 star6%6%

Customer feedback is generally favorable about operation and sound, while compatibility, call use, durability and connection reliability are mixed. That matters here because the adapter's usefulness depends on the device and headset combination, and the listing itself identifies call and control limitations. Some reported breakage or lost connections also contrasts with the manufacturer's durability claims, without establishing how often those issues occur.

Positive themes

Customer feedback reports satisfactory operation and sound quality.

Negative themes

Some customers report that the adapter does not work for calls, and others describe losing the connection or breakage.

Mixed feedback

Experiences with headset compatibility, durability and connection stability vary. Some report secure connections and use during workouts, while others report disconnections or early breakage.

Frequently asked questions

What does the JSAUX CM0011 connect?

It connects a USB-C device to 3.5 mm headphones, a headset, speakers or other audio equipment, subject to device compatibility.

Does it support headset microphones and controls?

The listing says headphone function keys can provide call, volume and pause controls, but notes exceptions. It does not support microphone functionality or volume adjustment for Apple EarPods with a 3.5 mm plug, and excludes OMTP, TS and TRS microphone-only devices.

What audio format capability does the listing specify?

It claims a Smart DAC with maximum support for 16Bit/48Khz audio sampling. This is a manufacturer specification, not an independent performance test.

Will it work with a phone that already has a headphone jack?

The listing warns that some USB-C devices which also have a 3.5 mm jack may not support calls or music controls through the adapter. Check your exact device and intended use.