The iPhone 8 Plus is a smartphone manufactured by Apple Inc. It was released in September 2017 as part of Apple's iPhone lineup. Here are the key features and specifications of the iPhone 8 Plus:

1. Design: The iPhone 8 Plus features an aluminum frame with glass panels on the front and back, giving it a sleek and premium look. It is available in various colors, including Space Gray, Silver, and Gold.

2. Display: It comes with a 5.5-inch Retina HD display with a resolution of 1920 x 1080 pixels. The display supports True Tone technology, which adjusts the color temperature based on ambient lighting for a more natural viewing experience.

3. Processor: The iPhone 8 Plus is powered by Apple's A11 Bionic chip, which is a six-core processor designed for performance and efficiency. It provides fast and responsive performance, making it capable of handling demanding tasks and graphics-intensive apps.

4. Camera: One of the standout features of the iPhone 8 Plus is its dual-camera system. It has a 12-megapixel wide-angle lens and a 12-megapixel telephoto lens, both with optical image stabilization. This setup enables portrait mode and 2x optical zoom, as well as advanced photo and video capabilities.

5. Face ID: The iPhone 8 Plus does not feature Face ID facial recognition. Instead, it retains the traditional Touch ID fingerprint sensor integrated into the home button for secure authentication.

6. Operating System: It originally shipped with iOS 11 and is compatible with subsequent iOS updates. Users can enjoy a wide range of features and access to the App Store with thousands of applications.

7. Storage Options: The iPhone 8 Plus offers different storage capacities, typically ranging from 64GB to 256GB. However, the exact storage options may vary depending on the region and availability.

8. Battery: It is equipped with a non-removable lithium-ion battery that provides all-day usage on a single charge. The battery supports fast charging and can also be charged wirelessly using Qi-compatible charging pads.

9. Water and Dust Resistance: The iPhone 8 Plus has an IP67 rating for water and dust resistance. It can withstand being submerged in up to 1 meter of water for up to 30 minutes.

10. Other Features: The iPhone 8 Plus includes features like Siri, NFC for Apple Pay, stereo speakers, support for augmented reality (AR) apps, and compatibility with various accessories and peripherals.

Overall, the iPhone 8 Plus offers a powerful performance, a dual-camera system, and a premium design. While it may not have the latest features introduced in newer iPhone models, it remains a capable device for those seeking a reliable and feature-rich smartphone experience.