Features: Brand new and high quality This is a special built-in speaker for laptops with perfect sound and long life. Replaces your old internal speaker and provides excellent clear audio performance for your laptop. Perfect repair accessories to keep your laptop speaker in good condition. Easy to install, no additional tools are needed, and the installation process is very convenient. Suitable for 3542 3541 3442 3543 02RJ7P laptop. Specifications: Material: ABS Black color Length: About 15 cm/5.91 inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 pair of laptop built-in speakers