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, built-in laptop speakers 4. Strong compatibility, suitable for Pro laptops 5. and easy to install. specification: Product name: Built-in speakers for laptops Material: Plastic Colour: Black Model:A1502 Type: laptop speaker Compatible : for Pro Applicable model: For 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.