bt-device
# bt-device --set $NAME Alias $ALIAS
# bt-device --set $MAC_ADDRESS Alias $ALIAS
# systemctl restart bluetooth
For example:
# bt-device --set 95:05:BB:22:E2:A4 Alias "Soundcore Life Q20+ (work)"
Alias: Soundcore Life Q20+ -> Soundcore Life Q20+ (work)
# systemctl restart bluetooth
bluetoothctl
# bluetoothctl
> devices
> connect $MAC_ADDRESS
> set-alias $ALIAS