The product is a pack of 6 JCB CR2032 CR2025 CR2016 3V lithium button coin cell batteries. These batteries have a long expiry date and are suitable for high and low drain devices. Made with lithium-based chemical composition, these coin cell/button batteries are reliable for various applications in the Sound & Vision category. The brand JCB ensures quality and performance, making them a practical choice for powering electronic devices.