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JSAUX USB C Headphone Adapter and Charger Review

The JSAUX USB C Headphone Adapter and Charger is a compact mobile accessory that adds a 3.5 mm wired-audio port and USB-C PD charging port to compatible devices. It is useful for listening while charging, but buyer feedback points to inconsistent charging, microphone and long-term reliability results.
Expert reviewed
75
Overall score
Data-driven scoring Expert reviewed Updated analysis

Why we ranked it highly

The JSAUX USB C Headphone Adapter and Charger is a two-port USB-C splitter designed for phones, tablets and laptops that lack a dedicated 3.5 mm headphone jack. It combines a 3.5 mm audio connection with a USB-C port specified for Power Delivery charging up to 60W. The built-in DAC is listed with support for up to 24-bit/96 kHz playback, while the 3.5 mm socket supports CTIA and TRRS connections. It is intended for everyday wired listening, video, gaming and calls while a compatible device is connected to power. The slim 11-inch cable and extremely low weight make it easy to keep in a travel kit. Compatibility is the key consideration: the listing covers selected iPhone, Samsung, iPad and other USB-C devices, but warns that charging is not available for all OnePlus and Pixel models.
90-day review Expert reviewed User feedback Data scoring

Key specs

Features & Specs

Compatible Devices
Samsung Galax S24/S24+/S24 Ultra/S23/S22/S21, iPhone 15 Pro Max/15 Pro/15 Plus/15, iPhone 16 Pro/16 Pro Max/16/16 Plus
Specific Uses For Product
Cell Phone, Tablets, Laptop
Connector Type
Auxiliary, USB Type C
Number of Ports
2
Input Voltage
9 Volts
Current Rating
3 Amps
Power Plug Type
Type C
Nominal Power
60 Watts
Smart Home Compatibility
Not Smart Home Compatible

Additional details

Color
Grey
Finish
Glossy

Measurements

Item Dimensions
11 x 0.15 x 0.15 inches
Item Weight
0.01 Kilograms
Package Quantity
1
Unit Count
1.0 Count
Number of Items
1

Item details

Brand
JSAUX
Model Number
AUB08B38C3G8
Manufacturer
JSAUX
Mfr Part Number
AUB08B38C3G8

Scores breakdown

72 /100

Performance

82 /100

Features

70 /100

Safety

72 /100

Comfort

84 /100

Ease of use

94 /100

Space efficiency

62 /100

Noise

83 /100

Design

Strengths

  • Combines a 3.5 mm headphone jack with USB-C charging in one compact adapter.
  • Supports PD charging up to 60W when paired with a compatible power source and device.
  • Provides plug-and-play use with no drivers stated as necessary.
  • Many reviewers report clear audio output and successful simultaneous listening and charging.
  • Very light, slim and easy to carry with a phone, tablet or headphone case.
  • Low purchase price relative to its dual-port function.

Limitations

  • Charging performance is inconsistent across devices, and some users report that charging does not work.
  • Compatibility is not universal; the listing specifically notes limitations with some OnePlus and Pixel models.
  • Apple headphone line controls are not supported.
  • Microphone support depends on TRRS headphones, and reviews include poor microphone-input feedback.
  • Some buyers report audio cut-outs, crackling, buzz or interference.
  • Long-term durability is a concern, with reports of failures within a month from some customers.

Ideal user profiles

  • Users of USB-C phones or tablets who want to keep using wired 3.5 mm headphones.
  • Travellers who need to listen and charge from one USB-C port during longer journeys.
  • Samsung and compatible iPhone or iPad users seeking a small wired-audio adapter.
  • People who primarily need headphone output rather than dependable headset microphone performance.

Use cases

  • Listening to music, podcasts or audiobooks while charging a compatible phone.
  • Watching films on a tablet with wired headphones connected.
  • Using wired earphones for games or video playback on compatible USB-C devices.
  • Keeping a compact audio-and-charging accessory in a travel or cable kit.
  • Adding a headphone output and pass-through power connection to a compatible headset setup.

Fit and positioning

Who this works for

Category positioning

This is a mobile and lifestyle accessory rather than a smart-home or household appliance. Its role is straightforward: preserve wired-headphone access on USB-C devices while leaving the same device able to receive power. It is most relevant to daily commuting, desk use, travel and shared tablet entertainment, where battery charging and private audio may be needed at the same time. Its compact form makes it a practical cable-kit item, but device-specific compatibility matters more than it would with a standard analogue headphone extension.

Best for

This adapter is best for owners of compatible USB-C phones or tablets who prefer wired headphones and need a charging connection at the same time. It particularly suits low-cost travel, entertainment and everyday listening setups, since it is small, driver-free and specified for PD charging. Reviews are generally positive about audio output, build feel and the convenience of simultaneous use. It is a better fit for listening than for users who depend on headset microphones for regular calls or voice recording.

Not best for

It may not suit buyers who need guaranteed charging behaviour across several devices, especially OnePlus or Pixel owners, because the listing notes charging limitations and reviews are mixed. It is also not the strongest choice for microphone-critical work, gaming chat or calls, given the TRRS requirement and reports of poor input audio. Users who cannot tolerate occasional interference, connection sensitivity or the risk of an early cable failure may prefer an option with more consistent long-term feedback.

Home use

At home, the adapter is most useful beside a sofa, bed or desk where a USB-C phone or tablet is used for private listening while charging. It can restore the usefulness of existing wired headphones without requiring wireless pairing or a separate audio adapter. Its short, light cable is easy to store, though the extra connection point should be kept from being knocked or strained.

Performance analysis

How it performs in practice

Each scoring dimension is separated into a compact card so the strengths and tradeoffs are easier to compare without reading one long block.

Performance analysis

For its intended job, the JSAUX adapter has a solid but uneven performance profile. Many reviewers confirm that it delivers wired audio and charging together on compatible Samsung phones, tablets and other devices, with several noting uninterrupted playback when power is connected. The listed DAC specifications also support its role as a basic wired-audio solution. However, performance is not fully consistent: some customers report no charging, intermittent recognition, sound cut-outs or inability to use charging and audio simultaneously. Exact device compatibility is therefore central to the experience.

Feature analysis

The feature set is strong for a simple cable accessory. It provides both a 3.5 mm port and a USB-C PD charging port, with stated support for up to 60W, and it does not require drivers. The audio connection supports CTIA and TRRS plugs, while the DAC and ADC specifications cover playback and microphone use. Limitations are clearly relevant: Apple headphone line controls are unsupported, microphone operation requires TRRS headphones, and Quick Charge support may vary by phone.

Safety

The provided information does not identify specific hazards, certifications or protective systems, so safety claims should remain limited. It is a low-voltage USB-C accessory specified with a 9V input and 3A current rating, but buyers should use a compatible charger and avoid damaged cables or connectors. Because charging behaviour is not uniform across all devices, it is sensible to stop using the adapter if it repeatedly fails, crackles or loses connection. Keep the small cable away from avoidable strain and moisture.

Comfort

The main convenience benefit is being able to use familiar wired headphones while keeping a device on charge. This can make long films, audiobooks, gaming sessions and travel more comfortable without managing Bluetooth pairing or battery life in wireless earbuds. The experience is less comfortable when device recognition, charging or microphone operation is unreliable, so it is best viewed as a convenience accessory with compatibility-dependent results.

How it compares

Within the USB-C audio-adapter category, this JSAUX model stands out more for convenience and compactness than for universally dependable compatibility. Its split design is more flexible than a basic USB-C-to-3.5 mm dongle because it retains charging access, and the stated 60W PD support gives it a useful technical ceiling. It appears strongest for straightforward wired playback on compatible phones and tablets. Compared with a more consistently reliable category option, its weak points are the variable charging results, mixed microphone performance and durability concerns. It is therefore a practical value pick rather than a no-compromise adapter.

Ranking summary

The JSAUX USB C Headphone Adapter and Charger earns its place as a practical, budget-focused USB-C audio accessory because it addresses a common problem cleanly: adding wired headphones without giving up charging. Its strongest qualities are the two-port design, small size, simple operation, stated PD support and positive feedback from many compatible-device owners. It ranks below more dependable options because the customer record is uneven. Reports of charging failure, microphone limitations, audio interference, model-specific compatibility problems and early faults prevent it from being a universal recommendation. It is most compelling for confirmed compatible devices and listening-first use.

Buying advice

Consider this adapter if you have a confirmed compatible USB-C phone or tablet, use wired headphones mainly for listening and want to charge at the same time without carrying a hub. Pair it with a suitable PD charger if charging speed matters, and use TRRS headphones if microphone support is required. Before buying, check the compatibility note carefully if you use OnePlus or Pixel hardware, and do not expect Apple headphone line controls. Buyers who depend on reliable voice input, uninterrupted audio in sensitive listening situations or proven long-term cable durability should look for stronger device-specific feedback first.
75
Overall score

Final verdict

The JSAUX USB C Headphone Adapter and Charger is a strong convenience option for compatible-device owners who want wired audio and charging in a very small, inexpensive accessory. Its main strength is the useful two-port layout, backed by many reports of clear playback and successful simultaneous use. Its main limitation is inconsistency: charging, microphone operation, audio stability and lifespan can differ substantially by unit and device. It is a sensible choice for listening-focused everyday or travel use after checking compatibility, but a limited option for buyers who need guaranteed call quality or long-term reliability across several devices.
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Key topics

JSAUX USB C headphone adapter review, JSAUX USB C charger audio adapter, USB C to 3.5mm adapter with charging, 60W PD headphone adapter, iPhone USB C headphone charger adapter, Samsung USB C audio charging splitter, wired headphone adapter for USB C

Frequently asked questions

What does the JSAUX USB C Headphone Adapter and Charger do?
This compact two-port adapter splits one USB-C connection into a 3.5 mm audio jack and a USB-C PD charging port. It is intended to let compatible phones, tablets and laptops use wired headphones while receiving power. The listing cites use for music, games, calls and video, although microphone and charging results can vary by device.
Can the JSAUX adapter charge a device while headphones are connected?
That is its core purpose, and many reviewers report successful simultaneous charging and audio playback on compatible Samsung phones and tablets. However, feedback is mixed: some buyers experienced charging failures or could not use both functions at once. Charging speed and operation depend on the phone, charger and compatibility.
Does this adapter support fast charging?
The product is specified for PD charging up to 60W and states that a PD 20W or higher wall charger is needed for faster charging. It also notes that Quick Charge may not be supported on some phones. Reviews show that fast charging can work on certain devices but is not consistent across all hardware.
Can I use a headset microphone with the JSAUX USB C adapter?
The listing says microphone support requires TRRS headphones; TS and TRS headphones do not provide microphone support through the adapter. Even with compatible headphones, results may vary by device. Review feedback includes reports of poor microphone input, so it is a less certain choice for calls, voice chat or recording.
Is the JSAUX adapter compatible with iPhone, Samsung and iPad devices?
The listing names iPhone 15 and 16 series models, several Samsung Galaxy models and iPad Pro among compatible devices. It also warns that it cannot charge all OnePlus and Pixel models. Individual review results differ, so buyers should confirm their exact device and required charging behaviour before purchasing.
How is the audio quality on this USB-C to 3.5 mm adapter?
The integrated DAC is specified to support up to 24-bit/96 kHz playback, and many customers describe the output as clear or good for listening. There are also reports of crackle when the adapter is moved, sound cutting out, buzz and interference. It appears more dependable for basic playback than for fault-free use in every setup.
Is the JSAUX adapter easy to carry and set up?
Yes. It is a slim, very lightweight cable adapter with no drivers stated as necessary, so it should be straightforward to connect and store in a small accessory pouch or headphone case. Its short cable format can also help it fit around some device cases, although the straight connector may not suit every setup.
What are the main drawbacks of the JSAUX USB C Headphone Adapter and Charger?
The main trade-offs are uneven device compatibility and reliability. Some users report failure to charge, unstable audio or early product failure, while microphone performance is limited and Apple headphone line controls are unsupported. Buyers who need dependable voice input or confirmed support for a OnePlus or Pixel device should check compatibility particularly carefully.

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