This notebook audio jack USB board is an essential part for the Lenovo B50-30 B50-45 laptop. It ensures that you can connect audio devices and USB devices to your laptop smoothly, allowing you to enjoy sound and connectivity to the fullest. This specific audio jack USB board is refurbished, which means that it has been carefully checked, cleaned and repaired to ensure that it functions like new again. Refurbished products offer an affordable alternative to brand new parts, without sacrificing quality or performance. With this refurbished audio jack USB board you can rely on a reliable and durable solution for your Lenovo laptop. The installation of this audio jack USB board is simple and requires no technical knowledge. With the included cable you can easily connect the board to your laptop and enjoy improved audio and USB functionality. Whether you want to listen to music, watch videos or transfer files, this board will keep you connected. By purchasing this refurbished audio jack USB board for the Lenovo B50-30 B50-45 laptop, you invest in the future of your device. By choosing a reliable and affordable part, you can extend the life of your laptop and continue to enjoy optimal performance. In short, this notebook audio jack USB board is the ideal choice for those looking for a quality part for their Lenovo laptop. Thanks to the refurbished quality, easy installation and improved functionality, you are assured of a product that meets all your needs.