1. This is a special built-in speaker for laptops with perfect sound2. Replacement of high-quality sound built-in laptop speakers3. Project description: notebook computer parts4. Strong compatibility, suitable for ASUS laptops5. Durable and easy to install.Product name: Built-in speakers for laptopsType: laptop speakerCompatible brands: for ASUSApplicable model: for ASUS X550 X550V F550 Y581 K550 W581LMaterial:Plastic + Metalcolour:blackPackage Contents:1 x laptop built-in speakerOnly 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.