Features: 5.5-inch IPS Multi-Touch screen display, 1920 * 1080pixel resolution at 401 ppi. Features an A9 chip with 64-bit architecture. 2GB RAM and 16GB/64GB/128GB ROM storage capacity. Dual cameras, 12MP iSight rear camera, 5MP front camera with True Tone flashlight and Focus Pixels auto focus. Support Touch ID, fingerprint sensor built into the Home button. Single SIM Card, Single Standby.(Nano card) Built-in 2750mAh rechargeable lithium-ion battery. Support FaceTime, iOS, iCloud, Apple Pay, Cellular and Wireless, etc.