I have bought the Liberty 3 Pro about 3 weeks ago, one of the ear buds (right) stopped charging and working, i tried reseting and deleting the Bluetooth device from my phone, and i can even pair no more, note the left one led works meaning it is charging , but i still can’t pair.
Thanks for bringing this up! 
We’re really sorry to hear that your Liberty 3 Pro right earbud isn’t charging or pairing, and we completely understand how disappointing that must be.
Since you’ve already tried all the troubleshooting steps without success, we’d recommend reaching out directly to us at service@soundcore.com with your order details and a brief description of the issue. Our support team will assist you in starting the warranty process right away and make sure you receive a prompt solution.
We truly appreciate your patience and cooperation — we’re here to help get this resolved for you. 