Most new phones don't have a 3.5mm headphone jack, so you'll need an adapter, wireless headphones, or a different cable to use aux

If your phone was made in the last five years, it probably doesn't have a traditional headphone jack. Apple removed it from iPhones starting with the iPhone 7 in 2016. Android manufacturers followed — Samsung, Google, OnePlus, and most others dropped the jack by 2020. This means you can't plug a standard aux cable directly into your phone anymore.

You have three practical routes: use a USB-C or Lightning adapter with your existing aux cable, switch to wireless headphones or speakers, or use a cable that connects directly to your phone's charging port. Which one makes sense depends on what equipment you already own and where you want to listen.

Key Takeaways

  • New phones use USB-C (Android) or Lightning (iPhone) ports instead of 3.5mm jacks, so a standard aux cable won't fit without an adapter.
  • A USB-C to 3.5mm adapter or Lightning to 3.5mm adapter costs $10 to $25 and lets you use your existing aux cables and headphones.
  • Wireless headphones and Bluetooth speakers work with any phone and don't require cables, but need charging and pairing setup.
  • Some aux cables have USB-C or Lightning connectors built in, eliminating the need for a separate adapter.
  • Car aux inputs work the same way — you'll need an adapter, a Bluetooth receiver, or a phone mount with built-in speakers.

Using an adapter with your existing aux cable

The simplest fix is a USB-C to 3.5mm adapter if you have an Android phone, or a Lightning to 3.5mm adapter if you have an iPhone. These are small dongles that plug into your phone's charging port and give you a standard headphone jack on the other end. You plug your aux cable into the adapter, and your headphones or speakers work exactly as they did before.

These adapters cost between $10 and $25. Apple's official Lightning adapter runs about $9, but third-party versions from Anker, Belkin, or Amazon Basics work just as well and often cost less. For Android, search for "USB-C to 3.5mm adapter" — most phones use USB-C now, though older Samsung and OnePlus models sometimes use micro-USB.

The trade-off is that your phone's charging port is occupied while you're listening. If you need to charge while using aux, you'll need a splitter cable that lets you plug in both the adapter and a charger at once — these exist but add another layer of complexity.

Switching to Bluetooth headphones or speakers

Wireless headphones and Bluetooth speakers eliminate the cable problem entirely. You pair them with your phone once, and they connect automatically when they're in range. This works with any phone, any brand, and any app — Spotify, YouTube, podcasts, everything.

Bluetooth headphones range from $30 budget models to $300+ premium ones. Speakers range similarly. The main brands people recognize are Apple AirPods, Sony, Bose, JBL, and Beats, but Anker, Soundcore, and others make solid options at lower prices. Look for reviews on what matters to you: battery life (usually 8 to 40 hours), sound quality, comfort, or water resistance.

The downside is that Bluetooth devices need charging, and pairing can occasionally glitch — you might have to re-pair if the connection drops. But for most people, the convenience of wireless outweighs the occasional hassle.

Using aux cables with USB-C or Lightning connectors

Some aux cables have a USB-C or Lightning connector on one end instead of a standard 3.5mm jack on both ends. These plug directly into your phone's charging port and connect to a speaker or car aux input on the other end. They're less common than adapters but eliminate the need for a separate dongle.

These cables typically cost $15 to $30 and work well if you use the same aux input regularly — like a car stereo or a specific speaker. The downside is they're less flexible than adapters: you can't swap them between devices or use them with different headphones.

Connecting to a car aux input

If your car has an aux input (a 3.5mm jack on the dashboard or stereo), you have the same three options: use an adapter with your phone's charging port, use a Bluetooth receiver that plugs into the aux input, or buy a USB-C or Lightning aux cable.

Many people choose a Bluetooth car receiver — a small device that plugs into the car's aux input and pairs with your phone wirelessly. These cost $20 to $50 and let you play music, podcasts, or calls through your car speakers without any cable. Brands like Anker Soundcore, TaoTronics, and Mpowerd make reliable ones.

If your car doesn't have an aux input at all, you have fewer options: Bluetooth speakers that sit in a cup holder, a phone mount with built-in speakers, or upgrading to a car stereo that supports Bluetooth or USB input.

What to check before buying an adapter

Before you buy, confirm your phone's charging port. iPhones from iPhone 12 onward use Lightning (a rectangular connector). Older iPhones use the same. Most Android phones made after 2020 use USB-C (an oval connector with rounded edges). Some older Samsung phones use micro-USB (smaller and flatter). Check your phone's manual or look at the port itself if you're unsure.

Also check whether your headphones or speakers actually need a 3.5mm jack. If they're already wireless or use a different connector, an adapter won't help. And if you plan to charge while listening, look for a splitter cable that combines charging and audio into one port — though these are rare and not all phones support them.

Frequently Asked Questions

Can I use a USB-C to 3.5mm adapter with any Android phone?

Most Android phones made after 2020 use USB-C, so yes. Older Samsung, OnePlus, and Google phones sometimes use micro-USB instead. Check your phone's charging port before buying — if it's a smaller, flatter connector, you need a micro-USB adapter, not USB-C.

Do I have to buy an official Apple adapter or will a third-party one work?

Third-party adapters work fine. Apple's official Lightning to 3.5mm adapter is about $9, but Anker, Belkin, and Amazon Basics make versions for $5 to $15 that do the same thing. Read reviews to avoid the cheapest no-name brands, but mid-range third-party adapters are reliable.

What if I want to charge my phone and listen to aux at the same time?

You need a splitter cable that has a charging port and a 3.5mm jack on the same end. These exist but are uncommon and not all phones support them. Bluetooth is usually easier — you can charge and listen wirelessly at the same time.

Will a Bluetooth speaker work with my old aux-only car stereo?

No, but a Bluetooth receiver will. It's a small device that plugs into your car's aux input and pairs with your phone wirelessly. Brands like Anker Soundcore and TaoTronics make them for $20 to $50.

Do I need to pair Bluetooth headphones every time I use them?

No. Once you pair them the first time, they remember your phone and connect automatically when they're turned on and in range. You only re-pair if you reset the headphones or pair them with a different device.