This Notebook USB Audio Board is an essential part for HP ProBook 440, 450 and 470 G2 laptops to improve audio sound and connect external devices via USB. This specific audio board comes with a 20cm long cable for easy installation and optimal performance. The biggest advantage of this Notebook USB Audio Board is that it is refurbished. This means that the product has been previously used, but has been completely overhauled and repaired to meet original factory specifications. This makes the product of the same quality as a new product, but at a much lower price. By choosing refurbished products, such as this audio board, you also contribute to a more sustainable society by promoting the reuse of electronic devices. This refurbished Notebook USB Audio Board is compatible with several models of HP ProBook laptops, making it a versatile and cost-effective solution for upgrading your current system. Whether you want to enhance your audio experience while watching movies or listening to music, or need more USB ports for connecting peripherals, this audio board provides the functionality you need. Installing this refurbished Notebook USB Audio Board is easy and requires no technical knowledge. The 20cm long cable gives you enough space to connect the board to the right place in your laptop. Once the board is installed, you will immediately notice an improvement in audio quality and the ability to connect additional devices. In short, this Notebook USB Audio Board is an affordable and durable solution for upgrading your HP ProBook laptop. With the benefits of a refurbished product and the improved functionality it offers, it is a must-have accessory for any laptop user.