What should I do if the left and right earbuds are connected with 2 different devices?
When this happens, your Sport X10 earbuds are both in Mono mode. To return to Stereo mode: 

1. Put both earbuds back into the charging case and close it. 
2. Turn off the Bluetooth on one of your two devices. 
3. Make sure there is only one discoverable Bluetooth device in range. 
4. Open your case and remove both earbuds. They will reconnect with the Bluetooth device in Stereo mode.

If you have additional questions, please contact us at
service@soundcore.com for further assistance. Make sure to mention that you have tried the steps in this FAQ so our agents do not ask you to repeat them.
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