The product is a back glass replacement specifically designed for the iPhone 17, 16, 15, and 14 series. It is compatible with various Apple models such as the iPhone 14, 17 Pro Max, 17 Pro, 14 Plus, 16 Plus, 15 Pro Max, 15 Pro, 16e, 16, and 15. The replacement glass can be secured with metal, magnet, or NFC technology, providing a secure and durable attachment for the phone. This product is essential for maintaining the original look and functionality of your iPhone while ensuring the device's overall aesthetic and performance remain intact.