The product is a back glass replacement specifically designed for the iPhone 16, 15, and 14 series. It is compatible with various Apple models, including the iPhone 14, 15 Pro Max, 15 Pro, 14 Plus, and different iPhone 16 models. The replacement is a battery cover and can be made with metal, magnet, or NFC materials, providing a secure and durable fit for your device. This product is intended for those looking to replace their back glass in case of damage or wear on their iPhone.