Yes, sometimes—but not with every phone or adapter. If your phone has one USB-C port, you need a compatible connection that supports both USB-C audio and charging at the same time. A USB-C plug alone does not guarantee that the phone supports digital audio, or that an adapter can pass charging through while audio is playing.
What has to be compatible?
USB-C can carry power and data, and USB Power Delivery can negotiate power needs and allow power direction to vary. Those capabilities do not make every phone, headphone, and adapter combination work together. USB-IF’s USB Power Delivery overview explains the underlying power features.
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For wired listening while charging through one port, check three separate things:
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- Your phone supports USB-C digital audio. Google advises checking this for Pixel USB-C earbuds; on some devices, an audio-over-USB-C setting may need to be enabled. Call support can also vary. Google Pixel Help
- The adapter supports simultaneous audio and charging. Look for a headphone/audio output and a USB-C charging input, with explicit support for both functions at once on your phone.
- Your headphones and adapter use a compatible audio method. Digital USB-C headphones and 3.5 mm analog headphones connected through an adapter are not interchangeable by assumption.
Why the type of USB-C audio matters
USB-C headphones can be digital audio devices, while a 3.5 mm headset carries analog audio. Android’s USB headset specification describes USB headsets as digital USB audio devices and says a purely analog headset connected through only a mechanical USB-C adaptation is not permitted under the referenced Type-C specification. In practice, check the phone and adapter documentation: an adapter for a 3.5 mm headset may need to handle digital-to-analog conversion. Android’s USB headset specification
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Even when your phone recognizes the headphones, that only establishes audio compatibility; it does not establish that charging can pass through the same port at the same time.
What to look for in a one-port adapter
Choose an adapter with a headphone connection and a USB-C charging input that explicitly says it supports simultaneous audio output and charging. Confirm that claim for your exact phone model, rather than relying on a product description that only says “USB-C splitter” or shows two sockets.
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Xiaomi’s guidance for the Xiaomi 14T says simultaneous charging and wired listening can work with a compatible adapter, and calls for support for both audio output and charging. It warns that a simple passive splitter may not provide stable operation. That advice is specific to the Xiaomi 14T; it is not a guarantee for other phones. Xiaomi 14T FAQ
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| Phone or accessory guidance | What it establishes | What to verify |
|---|---|---|
| Xiaomi 14T | Xiaomi says charging and wired listening can work with a compatible USB-C adapter that supports audio output and charging. | Compatibility with the exact adapter; Xiaomi warns simple passive splitters may not be stable. Xiaomi Support |
| iPhone 15 and later | Apple documents USB-C charging and wired audio, including USB-C EarPods and audio adapters. It also describes charging an iPhone while some USB-C displays are connected. | The cited page does not establish that every headphone adapter supports charging pass-through. Use an adapter documented for simultaneous audio and charging. Apple Support |
| Pixel USB-C earbuds | Google says the connected device must support USB-C digital audio; some devices may need an audio setting enabled. | Call support may vary, and this guidance does not establish charging pass-through compatibility for an adapter. Google Pixel Help |
Will the phone charge at its usual speed?
Not necessarily. Android’s USB audio documentation notes that USB peripherals can draw enough power to significantly shorten the device’s battery charge, even when the device can supply adequate power. Actual charging behavior depends on the phone, adapter, charger, and connected audio device; simultaneous listening is not a promise of the phone’s normal charging speed. Android USB audio documentation
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How to check your setup
- Check the phone manual or support page for USB-C digital audio support. If audio is not detected, look for an audio-over-USB-C setting where the phone documentation directs you.
- Identify the headphone connection. Confirm whether it is USB-C digital audio or a 3.5 mm analog headset using an adapter.
- Check the adapter documentation for both audio output and charging input, and an explicit statement that they work simultaneously.
- Confirm the combination for your exact phone. A feature listed for a different model is not proof of compatibility.
- Test playback, calls, and charging separately. Check microphone and call support as well as whether the battery level rises during playback; charging may be slower than usual.
If it does not work
- Audio works but charging does not: The adapter may lack charging pass-through or simultaneous-operation support. Check its documentation for that specific feature.
- Charging works but audio does not: Verify that the phone supports USB-C digital audio and that the headphones or 3.5 mm adapter match the phone’s audio requirements.
- Playback works but calls or controls do not: Microphone, call, and control support can differ from basic playback compatibility; check the phone and accessory specifications.
- The battery charges slowly or keeps falling: The connected USB device may be drawing power. Try a compatible setup with less power demand, or use wireless headphones while charging.
Alternatives to a one-port wired setup
If compatible pass-through is difficult to confirm, use wireless headphones while charging, or use a phone with a separate headphone connection or multiple ports. These avoid relying on one adapter to carry both functions.
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