1. This is a built-in speaker specially designed for notebook computers with detailed sound quality2. 360° surround sound effect to meet diversified noise reduction needs3. Small size, high volume, high-quality built-in laptop speakers4. Strong compatibility, suitable for Lenovo laptops5. Durable and easy to install.Product name: Built-in speakers for laptopsType: Notebook speakerPurpose: AmplificationApplicable models: For Lenovo Thinkpad E450 E455 E450C E460Material: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.