Retina display 4-inch (diagonal) widescreen Multi-Touch display 1136-by-640-pixel resolution at 326 ppi 800:1 contrast ratio (typical) 500 cd/m2 max brightness (typical) Fingerprint-resistant oleophobic coating on front Support for display of multiple languages and characters simultaneously iSight Camera	 8 megapixels with 1.5µ pixels ƒ/2.2 aperture Sapphire crystal lens cover True Tone flash Backside illumination sensor Five-element lens Hybrid IR filter Autofocus Tap to focus Face detection Panorama Auto image stabilization Burst mode Photo geotagging Video Recording	 1080p HD video recording 30 fps True Tone flash Slo-mo video Improved video stabilization Take still photo while recording video Face detection 3x zoom Video geotagging FaceTime Camera	 1.2MP photos (1280 by 960) 720p HD video recording Backside illumination sensor 3Video Calling	 FaceTime iPhone 5s to any FaceTime-enabled device over Wi-Fi or cellular Initiate video calls over LTE, DC-HSDPA, HSPA+, 3G, and 2G HVGA-resolution (480 by 368) calls over Wi-Fi 3Audio Calling	 FaceTime iPhone 5s to any FaceTime-enabled device over Wi‑Fi or cellular Audio Playback	 Audio formats supported: AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV User-configurable maximum volume limit TV and Video AirPlay mirroring and video out to Apple TV (2nd and 3rd generation) Video mirroring and video out support: Up to 1080p through Lightning Digital AV Adapter and Lightning to VGA Adapter (adapters sold separately) Video formats supported: H.264 video up to 1080p, 60 frames per second, High Profile level 4.2 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format 4Intelligent Assistant Siri Use your voice to send messages, set reminders, and more