1. This is a built-in speaker specially designed for notebook computers 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 laptops 5. and easy to install. Product name: Built-in speakers for laptops Type: laptop speaker Applicable models: For Pro MC700 A1278 MD101 102 11-12 year laptop speaker colour: black Material: plastic Package Contents: 1 x laptop built-in speaker Only the above package content, other products are not included. Note: Light 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.