Hello I need he

Hello I need help I have the Sound core Liberty NC4 and I have my left earbud and my right one got destroyed my brother gave me his right one and I’m trying to connect them together but it doesn’t work does anyone have tips for me?

Maybe try putting both in the charging case than try to connect them.
Or you choose try holding the buttons on both than try connecting them .

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is it even possible to do that?

Yes — with the Soundcore Liberty 4 NC it is sometimes possible to pair a left earbud from one set with a right earbud from another set, but only if:

both earbuds are the exact same model,

they use compatible firmware versions,

and the earbuds can successfully re-sync through a reset process.

What usually happens is that each pair is factory-linked, so simply putting mismatched earbuds into the case often won’t work automatically.

Try this full reset/re-pair process:

Put both earbuds into the charging case.

Leave the lid open.

Press and hold the button on the case for about 10–15 seconds until the LED flashes red/white (or similar reset indication).

Remove the earbuds from your phone’s Bluetooth list.

Close the case for a few seconds.

Open the case and pair again from scratch.