a) Make sure your Earbuds and the mobile device are within the 10m range to each other. Low battery level may cause the disconnection from the mobile. If the battery level is less than 10% charge the Earbuds
If this does not solve your issue, then:
b) Power OFF and Power ON the device then again connect it with Mobile Phone
c) Set your Mobile Phone to Airplane Mode and then again normal mode. Mobile's BT working will back to normal if any unknown error is happening with BT
d) Chances are; you might have an issue with the mobile. You can check if the Earbuds is working well using a different mobile.
e) Restart mobile phone to refresh Mobile Phone's working now again try and follow the pairing process
f) RESET the device (Earbuds)
g) After following the above process, if the issue still persists with an alternate device please raise a complaint on our support portal.