Technical specifications of the iPhone 13 Pro Max:

1. Chipset: A15 Bionic chip with next-generation Neural Engine.

2. Display: 6.7-inch Super Retina XDR display with ProMotion technology, HDR10, and Dolby Vision support.

3. Resolution: 2778 x 1284 pixels at 458 ppi.

4. Camera: Triple 12MP Ultra Wide, Wide, and Telephoto cameras with Night mode, Deep Fusion, Smart HDR 4, and sensor-shift optical image stabilization for Wide lens. 4K Dolby Vision HDR recording.

5. Front Camera: 12MP TrueDepth front camera with Night mode, Deep Fusion, Smart HDR 4, and Cinematic mode. 4K Dolby Vision HDR recording.

6. Storage Options: Available in 128GB, 256GB, 512GB, and 1TB storage capacities.

7. Connectivity: 5G capable; Gigabit LTE with 4x4 MIMO and LAA.

8. Battery Life: Up to 28 hours of talk time, up to 95 hours of audio playback, up to 20 hours of video playback, and up to 85 hours of audio playback with MagSafe battery pack (all battery life values are approximate and depend on usage).

9. Water and Dust Resistance: Rated IP68 (maximum depth of 6 meters up to 30 minutes) under IEC standard 60529.

10. Operating System: iOS 15.

11. Dimensions: 160.8mm x 78.1mm x 7.65mm.

12. Weight: 238 grams.

13. Colors: Available in Graphite, Gold, Silver, and Sierra Blue.

These specifications showcase the iPhone 13 Pro Max's powerful performance, advanced camera system, stunning display with ProMotion technology, and sleek design.