You pull your JLab earbuds out of the case, pop them in your ears, and hit play. But something feels off. One earbud is pumping out your favorite song while the other sits there, silent, like it forgot what its job was.
This syncing issue is super common with wireless earbuds, and JLab models are no exception. The good part is that most of the time, you can fix it yourself without any special tools or tech skills. In this post, you will learn exactly why your JLab earbuds stop talking to each other and what you can do to get them working as a pair again.

What Does It Mean When Your JLab Earbuds Won’t Sync?
When your JLab earbuds are working properly, they connect to each other first, then one of them (usually the right one) connects to your phone or other device. This happens automatically every time you take them out of the charging case. You get full stereo sound, smooth audio, and everything feels seamless.
But when they fail to sync, the earbuds act like strangers. One might connect to your phone while the other stays disconnected. Or both might connect separately, which creates a weird situation where your device shows two Bluetooth entries instead of one. Sometimes one earbud plays music and the other handles calls, which sounds helpful but actually causes all kinds of confusion.
Leaving this issue unfixed can drain your battery faster since both earbuds work harder to maintain their separate connections. It can also mess with your audio quality. Stereo music needs both earbuds working together to deliver the left and right channels properly. With only one earbud active, you lose half the sound and miss out on the full listening experience.
Your earbuds rely on a tiny wireless signal to communicate with each other. This signal can get disrupted by all sorts of things, from software glitches to physical interference. Understanding why this happens will help you fix it faster and prevent it from happening again.
JLab Earbuds Not Syncing Together: Likely Causes
Several things can stop your JLab earbuds from pairing with each other. Knowing what went wrong makes finding the right fix much easier.
1. The Earbuds Need a Manual Reset
Your earbuds have small onboard memory that stores pairing information. Over time, this memory can get cluttered or corrupted, especially if you switch between multiple devices often.
When this happens, the earbuds might “forget” how to connect to each other. They still work individually, but the internal handshake between them fails. A reset clears this old data and gives them a fresh start.
Many users skip the reset step because they assume it’s too complicated. But JLab earbuds have a simple reset process that takes less than a minute.
2. Uneven Battery Levels
Wireless earbuds need power to communicate with each other. If one earbud has a much lower battery than the other, it might not have enough juice to maintain the sync connection.
This often happens when one earbud sits slightly crooked in the charging case. The charging pins don’t make full contact, so that earbud charges slower or not at all. You take them out thinking both are ready to go, but one is already running on fumes.
3. Bluetooth Interference From Nearby Devices
Bluetooth signals operate on the 2.4 GHz frequency band, which is the same band used by Wi-Fi routers, microwaves, baby monitors, and dozens of other household gadgets. When too many devices compete for space on this frequency, your earbuds can struggle to maintain a stable connection with each other.
This interference is especially common in crowded spaces like offices, airports, and coffee shops. Even at home, having your router right next to where you use your earbuds can cause problems.
4. Firmware Bugs or Outdated Software
JLab occasionally releases firmware updates that fix bugs and improve performance. If your earbuds are running older firmware, they might have known syncing issues that have already been patched in newer versions.
Firmware problems can also occur after a failed update. If your earbuds lost power during an update or the update got interrupted, the software might be partially installed, causing all sorts of strange behavior.
5. Dirty or Damaged Charging Contacts
The small metal contacts on your earbuds and inside the charging case need to be clean for proper charging. Earwax, dust, sweat, and pocket lint can build up on these contacts over time.
When the contacts are dirty, your earbuds might not charge evenly. One earbud could show a full charge while the other barely has any power. This uneven charging directly affects their ability to sync since the weaker earbud can’t keep up with its partner.
JLab Earbuds Not Syncing Together: DIY Fixes
Most syncing problems have simple solutions you can try at home. Work through these fixes in order, starting with the easiest ones first.
1. Perform a Full Reset on Both Earbuds
Resetting your JLab earbuds clears their memory and forces them to re-establish their connection from scratch. The exact steps vary slightly depending on your model, but the general process works like this:
- Place both earbuds in the charging case and keep the lid open.
- Tap the touch sensor on each earbud quickly four times (or hold the button for 10 to 15 seconds on models with physical buttons).
- Watch for the LED lights to blink blue, then blink white. This signals the reset is complete.
- Close the case, wait five seconds, then open it again.
Take the earbuds out and check if they sync automatically. You should see a single blinking light indicating they found each other before connecting to your phone.
2. Charge Both Earbuds to Full
Before troubleshooting further, make sure both earbuds have a complete charge. Place them in the case, close the lid, and let them charge for at least an hour, even if the case indicator shows they are full.
While they charge, check that each earbud is sitting properly in its slot. Give each one a gentle press to make sure the charging pins are making solid contact. You should see a small LED light up when the connection is good.
3. Remove Old Pairings From Your Device
Your phone or tablet might have saved multiple Bluetooth entries for your earbuds, especially if you’ve reset them before. These old entries can confuse both your device and your earbuds.
Go into your device’s Bluetooth settings and look for anything with “JLab” in the name. Delete all of them. On an iPhone, tap the “i” icon next to each entry and select “Forget This Device.” On Android, tap the gear icon and choose “Unpair” or “Forget.”
After removing the old pairings, reset your earbuds one more time using the steps from Fix 1. Then put them back in the case, take them out fresh, and let them pair to your phone as a new device.
4. Clean the Charging Contacts
Grab a cotton swab and some rubbing alcohol (isopropyl alcohol works best). Gently wipe the metal charging contacts on the bottom of each earbud. Do the same for the small pins inside the charging case.
Let everything dry completely before putting the earbuds back. This takes about two minutes. Once dry, place the earbuds in the case and charge them for 30 minutes before testing the sync again.
5. Check for Firmware Updates
JLab has a free app called JLab Air that lets you update the firmware on compatible models. Download the app from the App Store or Google Play, connect your earbuds, and check for available updates.
If an update is available, make sure your earbuds are charged above 50% before starting. Keep them close to your phone during the update process, and do not close the app or turn off your phone until the update finishes.
Not all JLab models support app updates. If your earbuds are not compatible with the app, you can skip this step.
6. Contact JLab Support or a Professional Technician
If none of the fixes above solve your problem, something deeper might be going on. One of your earbuds could have a hardware defect, or the internal Bluetooth chip might be damaged.
JLab offers customer support through their website and often provides replacements for earbuds still under warranty. Reach out to them with your model number and a description of the issue. If your warranty has expired, a local electronics repair shop can sometimes diagnose and fix hardware problems for a reasonable fee.
Wrapping Up
Syncing issues with JLab earbuds usually come down to software glitches, low battery, or dirty contacts. A quick reset and a full charge solve the problem for most people. Cleaning those tiny metal contacts can make a bigger difference than you might expect.
When the basic fixes do not work, the JLab app and customer support are there to help. Give each solution a fair try before moving on to the next. With a little patience, your earbuds should be back to working as a team in no time.