Welcome to the store! New Product Weight: 0.55g Type: Internal Laptop Speaker Compatible Model: For 13-inch Pro A1278 2011 2012 machine Color: Black Material: Composite Material Compatible Subfamily: Pro inchCore i5 inch 2.3 13-inch Early 2011 Pro inchCore i5 inch 2.4 13-inch Late 2011 Pro inchCore i7 inch 2.7 13-inch Early 2011 Pro inchCore i7 inch 2.8 13-inch Late 2011 Pro inchCore i5 inch 2.5 13-inch Mid 2012 Pro inchCore i7 inch 2.9 13-inch Mid 2012 Compatible Model Number: MC700LL/A, MD313LL/A, MC724LL/A, MD314LL/A, MD101LL/A, MD102LL/A Package Contents: 1 x Left and Right Internal Speaker Only the above package content, other products are not included. Note: Light shooting 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. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!