The product is a pack of 2 x PHILIPS CR1616 3V Lithium Coin Cell Batteries. These batteries have a long expiry date, making them ideal for high drain devices. With a voltage of 3V and a chemical composition of Lithium, they are suitable for a variety of applications in the Sound & Vision category, such as electronic devices and gaming consoles. The manufacturer warranty for the longest expiry ensures that these batteries will provide reliable power for an extended period of time.