Can this adapter be used to connect wired headphones to a smart tv that does not have anheadphone jack?

I’m not sure. I tried to connect a 3.5 MM plug Of a portable CD player to the USB jack in my car ( which doesn’t have a 3.5 MM Jack)… it did not work.

What USB version is this adapter? 2, 3.0, 3.1 ?

Standard USB A This is a matter of a physical connection. Tells you this right in the listing. Audio doesn't need a lot of high speed. It won't plug into a pure USB C connector. Use Google to find a graphic of the various connectors on a PC and Mac and get familiar with the distinctive plug shapes. :)

Will this work on an airplane?

I was extremely disappointed with this product. Throu the computer it only produced static however this devise, https://www.amazon.com/Plugable-Headphone-Microphone-Aluminum-Compatible/dp/B00NMXY2MO/ref=sr_1_1_sspa?keywords=plugable+usb+audio+adapter+with+3.5mm&qid=1692929252&sprefix=plugable+usb+audio%2Caps%2C205&sr=8-1-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&psc=1 worked perfectly and I would assume work well on an airplane for sudio from from your device

Does it work with 4 pole to 5 pole cord?

It is a standard USB-A male connector. Not sure what you are asking, but it works very well for a PC without a 3.5mm jack for a headphone. It also supports the microphone input if you are use that type of headset. In my case, I use Bose headphones on my notebook PC at work for Zoom and Teams meetings.

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USB to 3.5mm Jack Audio Adapter,External Sound Card USB-A to Audio Jack Adapter with Aux Stereo Converter Compatible with Headset,PC Windows,Laptop Mac, Desktops, Linux, PS4 and More Device (Grey)

USB to 3.5mm Jack Audio Adapter,External Sound Card USB-A to Audio Jack Adapter with Aux Stereo Converter Compatible with Headset,PC Windows,Laptop Mac, Desktops, Linux, PS4 and More Device (Grey)

Product ID: 349726552

Details

Compatible Devices
Personal
Brand
MCSPER
Hardware Interface
USB
Audio Output Mode
Stereo
Platform
Android Linux

🎧Universal 3.5mm TRRS aux port

🔊48 KHz HD audio output

🔌Plug & Play USB-A connection

COP 26851

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Upgrade your sound game—plug in, stand out!

DURABLE PORTABLE - Premium metal casing with braided cord ensures longevity and easy pocket carry for on-the-go pros.
CRYSTAL CLEAR SOUND - Advanced DAC chip delivers 48 KHz high-fidelity audio with 120 dB noise reduction for immersive listening.
SEAMLESS PLUG PLAY - No drivers or apps needed—just connect and elevate your audio instantly.
UNIVERSAL COMPATIBILITY - Works flawlessly across Windows, Mac, Linux, PS4, Android, and more—your all-in-one audio solution.
INTEGRATED MIC AUDIO OUT - Supports both headset listening and microphone input via a single 3.5mm TRRS jack—conference-ready.

The MCSPER USB to 3.5mm Jack Audio Adapter is a compact external sound card that converts USB-A ports into high-definition stereo audio outputs with integrated microphone support. Featuring a premium DAC chip, it delivers 48 KHz sample rate and 120 dB signal-to-noise ratio for crystal-clear sound. Compatible with a wide range of devices including Windows PCs, Macs, Linux systems, PS4, and Android, it requires no drivers and boasts a durable metal casing with a braided cable for long-lasting use.

Specifications

ASIN	B099FLWJD3
Audio Output Mode	Stereo
Best Sellers Rank	#203 in Computer Cable Adapters
Brand	MCSPER
Compatible Devices	Personal Computer, Laptop, Macintosh, Speaker, Headphone, Gaming Console, Smartphone
Customer Reviews	4.3 out of 5 stars 2,865 Reviews
Hardware Connectivity	USB
Hardware Interface	USB
Hardware Platform	Personal Computer
Manufacturer	MCSPER
Maximum Sample Rate	48 KHz
Mfr Part Number	d3757ee6-29be-435b-b24c-8b92df691561
Model Number	d3757ee6-29be-435b-b24c-8b92df691561
Number of Items	1
Platform	Android, Linux, Mac, Mac OS X, PlayStation 4, Windows 10, iOS
Signal-to-Noise Ratio	120 db
Surround Sound Channel Configuration	5.1
Unit Count	1 Count

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