Product type: Laptop internal speaker Part number: 923-0660 Material:plastic Color: Black Apply to: For MacBookPro10,1 Mid 2012: MC975LL/A (2.3 Core i7) For MacBookPro10,1 Mid 2012: MC976LL/A (2.6 Core i7) For MacBookPro10,1 Mid 2012: MD831LL/A (2.7 Core i7) For MacBookPro10,1 Early 2013: ME664LL/A (2.4 Core i7) For MacBookPro10,1 Early 2013: ME665LL/A (2.7 Core i7) For MacBookPro10,1 Early 2013: ME665LL/A (2.8 Core i7) For MacBookPro11,2 Late 2013 (IG): ME293LL/A (2.0 Core i7) For MacBookPro11,2 Late 2013 (IG): ME293LL/A (2.3 Core i7) For MacBookPro11,2 Late 2013 (IG): ME293LL/A (2.6 Core i7) For MacBookPro11,2 Mid 2014 (IG): MGXA2LL/A (2.2 Core i7) For MacBookPro11,2 Mid 2014 (IG): MGXA2LL/A (2. i7) For MacBookPro11,2 Mid 2014 (IG): MGXA2LL/A (2.8 Core i7) For MacBookPro11,3 Late 2013 (): ME294LL/A (2.3 Core i7) For MacBookPro11,3 Late 2013 (): ME294LL/A (2.6 Core i7) For MacBookPro11,3 Mid 2014 (): MGXC2LL/A (2. i7) For MacBookPro11,3 Mid 2014 (): MGXC2LL/A (2.8 Core i7 For MacBookPro11,4 Mid 2015 (IG): MJLQ2LL/A (2.2 GHz Core i7) For MacBookPro11,4 Mid 2015 (IG): MJLQ2LL/A BTO (2.5 GHz Core i7) For MacBookPro11,4 Mid 2015 (IG): MJLQ2LL/A BTO (2.8 GHz Core i7) For MacBookPro11,5 Mid 2015 (): MJLT2LL/A (2.5 GHz Core i7) For MacBookPro11,5 Mid 2015 (): MJLT2LL/A BTO (2.8 GHz Core i7) Package Contents: 4 X Speaker For Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.