The Genuine HP TPN-CAD4 AC Adapter is a high-quality power supply designed specifically for HP laptops. With a voltage of 19.5V and an output current of 2.31A, this adapter is compatible with various HP Envy x360 models, as well as EliteBook notebooks. The OEM blue tip ensures a secure connection, while the sleek black design complements the look of your device. Made by HP, this charger is a reliable and efficient accessory for keeping your laptop powered up and ready for use.