The three ways headphones connect to an iPhone

Your iPhone can connect to headphones in three ways: Bluetooth wireless, the Lightning port (if you have an iPhone 14 or earlier), or a 3.5mm headphone jack adapter (which plugs into the Lightning port). Most people use Bluetooth because it's wireless and works with any modern headphones. The Lightning port and adapter routes are less common now, but they're useful if your headphones are wired or very old.

Which method you use depends on what headphones you own and what iPhone model you have. iPhone 15 and later have no Lightning port at all — only USB-C — so wired headphones need an adapter. Bluetooth headphones work on every iPhone model made in the last decade.

Key Takeaways

  • Bluetooth is the easiest method: turn on your headphones, go to iPhone Settings > Bluetooth, tap your headphones when they appear, and you're done.
  • Your headphones must be in pairing mode (usually a button held for 3 to 5 seconds) before your iPhone can see them for the first time.
  • Once paired, your headphones reconnect automatically when you turn them on near your iPhone — you don't pair them again.
  • Wired headphones need a Lightning-to-3.5mm adapter on iPhone 14 and earlier, or a USB-C adapter on iPhone 15 and later.
  • If your headphones won't connect, restart both devices and forget the headphones from your iPhone's Bluetooth settings, then pair them again.

Pairing Bluetooth headphones for the first time

The first time you connect Bluetooth headphones to your iPhone, you need to put them in pairing mode. This tells your headphones to broadcast their signal so your iPhone can find them. On most headphones, you hold down the power button or a dedicated pairing button for 3 to 5 seconds until you see a light flash (usually blue or white). Check your headphones' manual if you're unsure — the pairing button location varies widely.

Once your headphones are in pairing mode, open Settings on your iPhone, tap Bluetooth, and wait a few seconds. Your headphones should appear in the list under "Other Devices." Tap the name of your headphones, and your iPhone will connect. You'll see a checkmark next to the name when it's paired. This whole process takes about 30 seconds.

After the first pairing, you never have to do this again. Your iPhone remembers your headphones. The next time you turn on your headphones near your iPhone, they'll reconnect automatically in the background — no manual steps needed.

Reconnecting headphones you've already paired

Once your headphones are paired, reconnecting is automatic. Turn on your headphones, and within a few seconds they'll connect to your iPhone without you doing anything. You'll hear a sound or see a notification confirming the connection. If your headphones were last connected to a different device (like a laptop or tablet), they might connect to that device first — in that case, just open your iPhone's Bluetooth settings and tap your headphones to switch them over.

If your headphones don't reconnect automatically, make sure Bluetooth is turned on. Go to Settings > Bluetooth and check that the toggle is green. If Bluetooth is on but your headphones still won't connect, turn your headphones off and back on, then wait 10 seconds. If that doesn't work, see the troubleshooting section below.

Using wired headphones with an adapter

If you have wired headphones with a 3.5mm jack, you'll need an adapter. On iPhone 14 and earlier, use a Lightning-to-3.5mm adapter (Apple sells these for about $9, or third-party versions cost less). On iPhone 15 and later, use a USB-C-to-3.5mm adapter instead, since those models have USB-C instead of Lightning.

Plug the adapter into your iPhone's port, then plug your headphones into the adapter. Your iPhone will recognize them immediately — no pairing or settings needed. The sound will play through your headphones right away. If it doesn't, go to Settings > Sounds & Haptics and check that your headphones are selected under "Audio Output."

One thing to know: you can't charge your iPhone and use wired headphones at the same time with an adapter, because they both need the same port. If you need to do both, Bluetooth headphones solve this problem.

What to do if headphones won't connect

If your Bluetooth headphones won't pair or reconnect, start with the simplest fixes. Turn off your headphones completely, wait 10 seconds, and turn them back on. Then turn your iPhone's Bluetooth off and back on by going to Settings > Bluetooth and toggling it off, waiting a few seconds, and toggling it back on. This resets the connection and fixes most problems.

If that doesn't work, forget the headphones and pair them again from scratch. In Settings > Bluetooth, find your headphones in the list, tap the info icon (i) next to the name, and tap "Forget This Device." Then put your headphones back in pairing mode and pair them again as if it's the first time. This clears out any corrupted pairing data.

If your headphones still won't connect after forgetting and re-pairing, restart your iPhone completely. Hold the power button until "slide to power off" appears, slide to turn it off, wait 30 seconds, and turn it back on. Restart your headphones too. After both devices restart, try pairing again. If the problem persists, your headphones may have a hardware issue — try pairing them with another device (a friend's phone, a tablet, a computer) to see if the problem is with the headphones or your iPhone.

Managing multiple paired headphones

Your iPhone can remember many paired headphones at once. You might have your everyday earbuds, a pair of over-ear headphones for work, and headphones for the gym all paired to the same iPhone. When you turn on any of them, your iPhone connects to whichever one is closest or was used most recently.

If your iPhone connects to the wrong headphones, just open Bluetooth settings and tap the headphones you want to use. Your iPhone will switch to them immediately. You can also see which headphones are currently connected — they'll show "Connected" under their name in the Bluetooth list.

To remove a paired headphone you no longer use, tap the info icon next to its name in Bluetooth settings and tap "Forget This Device." This doesn't affect any other paired headphones.

Frequently Asked Questions

Why do my headphones connect to my iPad instead of my iPhone?

Bluetooth headphones connect to whichever device they were last used with. If you used them on your iPad most recently, they'll connect to the iPad first. To switch them to your iPhone, open your iPhone's Bluetooth settings and tap your headphones. They'll disconnect from the iPad and connect to your iPhone instead.

Can I use one pair of headphones with multiple iPhones?

Yes. Your headphones can be paired to as many iPhones as you want. They'll connect to whichever iPhone is nearest or was used most recently. If you want to switch between two iPhones, just open Bluetooth settings on the iPhone you want to use and tap your headphones.

Do AirPods connect differently than other Bluetooth headphones?

AirPods use the same Bluetooth standard, but Apple made them easier to pair if you have an Apple account. Open the AirPods case near your iPhone and a setup screen appears automatically. For other Bluetooth headphones, you manually put them in pairing mode and select them from the Bluetooth list. Both methods work the same way once paired.

What if my headphones are paired but no sound comes out?

Check that your iPhone's volume isn't muted or turned all the way down — use the volume buttons on the side of your phone. Then go to Settings > Sounds & Haptics and make sure your headphones are selected under "Audio Output." If sound still doesn't play, try disconnecting and reconnecting your headphones from Bluetooth settings.