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Three white USB-C to 3.5mm adapter dongles with short cables

DESOFICON CNTX-CA136 USB-C to 3.5mm Adapter 3-Pack

SKU CH-MN4P-C55HA MPN CNTX-CA136

A three-pack of USB-C to 3.5 mm adapters that add a headphone jack and support up to 60 W pass-through charging for iPhone 15, 16, 17 series and other USB-C devices

  • Connection3.5 mm
  • MicrophoneHeadphones, USB Type-C, 3.5 mm TRS
  • Measurements1.0922 cm × 10.6934 cm × 16.4084 cm
  • Product colorWhite
  • DetailsUSB Type-C, 3.5 mm TRS, for iPhone 17 iPhone 17 Pro Max iPho
  • 3-pack gives spare adapters for home, office and travel
  • Apple MFi certified for reliable iPhone 15, 16, 17 compatibility
  • 2-in-1 design enables audio and up to 60 W PD charging together
  • Inline remote supports calls, volume and playback control
  • Plug-and-play with 24-bit / 48 kHz high-resolution audio output

USB-C Audio Adapter with Charging

The DESOFICON CNTX-CA136 is a three-pack of USB-C to 3.5mm adapters that add a headphone jack and a Power Delivery charging port to phones and tablets lacking a built-in audio socket. It is aimed at listeners who want to keep using wired headsets while the device charges.

PD Charging and Audio Limits

Each adapter accepts up to 60 W of Power Delivery input so the host device can fast-charge during playback. The dongle does not transfer data, so it cannot be used for file sync or tethering. Compatibility depends on the host supporting audio accessory mode over USB-C.

24-bit 48 kHz DAC Specification

The built-in digital-to-analogue converter outputs 24-bit audio at a 48 kHz sample rate with noise reduction. That resolution decides whether the adapter meets a buyer's fidelity requirement for wired listening.

How it compares

Measured against everything we stock in Earbuds & Wired Headsets, at today’s prices. Recalculated every night.

Price $12.99
Cheaper than about 88% of the 557 comparable items (median $30.99).

Specifications

Product
Brand nameDESOFICON
Product lineCNTX-CA136
Model nameCNTX-CA136
Part numberCNTX-CA136
Product colorWhite
Audio & video
MicrophoneHeadphones, USB Type-C, 3.5 mm TRS
Ports & slots
Connection3.5 mm
Power
Power requiredNo
Battery timeNo
Size & build
Measurements1.0922 cm × 10.6934 cm × 16.4084 cm

Questions about this item

Should I pick the single adapter or the 3-pack for my iPhone 15 and iPad Pro?

The listing is a 3-pack, giving you three identical USB-C to 3.5mm dongles so you can keep one at your desk, one in a bag and one as a spare for iPhone 15, 16 or 17 models and USB-C iPads.

What does the 24-bit / 48 kHz spec mean when I plug in my wired headphones?

It means the adapter’s built-in DAC converts digital audio at 24-bit depth and 48 kHz sample rate, delivering CD-quality stereo sound with low noise to any 3.5 mm headset.

Does the USB-C port on the adapter carry data or only charging and audio?

The USB-C female port supports PD fast charging up to 60 W and audio pass-through only; it does not carry USB data, so you cannot use it for file transfer or accessories that need a data link.

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