If your device Apple MacBook 12 A1534 (EMC 2991) Early 2016 has stopped ringing and does not play any sounds, while having the system sounds turned on, this is the part that you need for your device to be functional again.
If your device Apple MacBook 12 A1534 (EMC 2991) Early 2016 has stopped ringing and does not play any sounds, while having the system sounds turned on, this is the part that you need for your device to be functional again.