1. This is a special built-in speaker for laptops with perfect sound 2. Replacement of high-quality sound built-in laptop speakers 3. Project notebook computer parts 4. Strong compatibility, suitable for HP laptops 5. Durable and easy to install. specification: Product name: Built-in speakers for laptops Material: Plastic + Metal colour: black Type: laptop speaker Compatible brands: for HP Applicable models: for HP EliteBook840 G1 840 G2 850 G1 Package Contents:1 x Laptop built-in 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.