Product Details： Features: 1. This Is A Built-in Speaker Specially Designed For Laptop With Detailed Sound Quality 2. 360 Surround Sound Effect To Meet Diversified Noise Reduction Needs 3. Small Size, High Volume, High-quality Built-in Laptop Speakers 4. Strong Compatibility, Suitable For Macbook Pro Laptops 5. Durable And Easy To Install. Specification: Product Name: Built-in Speakers For Laptops Material: Plastic Colour: Black Model:a1502 Type: Laptop Speaker Compatible Brands: For Macbook Pro Applicable Model: For Macbook Pro Retina 13 Inch A1502 Laptop Built-in Left And Right Speaker Package Contents: 1 Pair Laptop Left Right Speakers Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection 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.