Here are the technical specifications for the iPhone 6s:
Display:
- 4.7-inch Retina HD display
- Resolution of 1334 x 750 pixels
- 3D Touch technology
Processor:
- A9 chip with 64-bit architecture
- Embedded M9 motion coprocessor
Storage:
- 32GB or 128GB internal storage
Camera:
- 12-megapixel rear camera
- 5-megapixel front-facing camera
- 4K video recording at 30 fps
- 1080p HD video recording at 30 or 60 fps
- Slow-motion video recording in 1080p at 120 fps or 720p at 240 fps
Connectivity:
- LTE Advanced for faster download speeds
- 802.11a/b/g/n/ac Wi-Fi with MIMO
- Bluetooth 4.2 wireless technology
- NFC for Apple Pay
Battery:
- Talk time: up to 14 hours on 3G
- Internet use: up to 10 hours on 3G, up to 10 hours on LTE, up to 11 hours on Wi-Fi
- Standby time: up to 10 days
Other Features:
- Touch ID fingerprint sensor
- Siri intelligent assistant
- iOS 9 operating system
- Apple Pay mobile payment service
The iPhone 6s was released on September 25, 2015 and is available in Space Gray, Silver, Gold, and Rose Gold color options.