1. Speaker ringer buzzer for Macbook Air 13 Retina A2179 2020 EMC 3302 MWTJ2 MVH22 2. Replace your broken or unusable one with a new one 3. Each item has been checked and in good condition before shipping 4. Completely fit and work 5. Professional installation is highly recommended. We will not be responsible for any damages to your device that you may cause during the changing of replacement parts Specification: General Compatible with Apple: MacBook Air 13.3 inch A2179 (2020)