iPhone 4s Specs: Dimensions: * Height: 4.5 in (115.2 mm) * Width: 2.31 in (58.6 mm) * Depth: 0.37 in (9.3 mm) * Weight: 4.9 oz (140 grams) Cellular & Wireless: * World phone * UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz); * GSM/EDGE (850, 900, 1800, 1900 MHz) * CDMA EV-DO Rev. A (800, 1900 MHz)4 * 802.11b/g/n Wi-Fi (802.11n 2.4GHz only) * Bluetooth 4.0 technology Location: * Assisted GPS * Digital compass * Wi-Fi * Cellular Display: * Retina display * 3.5" (diagonal) widescreen Multi-Touch display * 960-by-640-pixel resolution at 326 ppi * 800:1 contrast ratio (typical) * 500 cd/m2 max brightness (typical) * Fingerprint-resistant oleophobic coating on front and back * Support for display of multiple languages and characters simultaneously Camera, Photos, and Video: * 8-megapixel camera * Autofocus * Tap to focus * Face detection in still images * LED flash * Video recording, HD (1080p) up to 30 frames per second * Video stabilization * Front camera with VGA-quality photos and video at up to 30 frames per second * Photo and video geotagging Power & Battery: * Built-in rechargeable lithium-ion battery * Charging via USB to computer system or power adapter * Talk time: Up to 8 hours on 3G, up to 14 hours on 2G (GSM) * Standby time: Up to 200 hours * Internet use: Up to 6 hours on 3G, up to 9 hours on Wi-Fi * Video playback: Up to 10 hours * Audio playback: Up to 40 hours Audio Playback: * Frequency response: 20Hz to 20,000Hz * 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 & Video: * AirPlay Mirroring to Apple TV support at 720p * Video mirroring and video out support: Up to 1080p with Apple Digital AV Adapter or Apple VGA Adapter (adapters sold separately) * Video out support at 576p and 480p with Apple Component AV Cable; 576i and 480i with Apple Composite AV Cable (cables sold separately) * Video formats supported: H.264 video up to 1080p, 30 frames per second, High Profile level 4.1 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 Headphones: * Apple Earphones with Remote and Mic * Frequency response: 20Hz to 20,000Hz * Impedance: 32 ohms Mail Attachment Support: * Viewable Document Types: .jpg, .tiff, .gif (images); .doc and .docx (Microsoft Word); .htm and .html (web pages); .key (Keynote); .numbers (Numbers); .pages (Pages); .pdf (Preview and Adobe Acrobat); .ppt and .pptx (Microsoft PowerPoint); .txt (text); .rtf (rich text format); .vcf (contact information); .xls and .xlsx (Microsoft Excel) Sensors: * Three-axis gyro * Accelerometer * Proximity sensor * Ambient light sensor System Requirements: * Apple ID (required for some features) * Internet access * Syncing with iTunes on a Mac or PC requires: * Mac: OS X v10.5.8 or later * PC: Windows 7; Windows Vista; or Windows XP Home or Professional with Service Pack 3 or later * iTunes 10.5 or later (free download from www.itunes.com/download) In the Box: * iPhone 4S * Apple Earphones with Remote and Mic * Dock Connector to USB Cable * USB Power Adapter * Documentation