Features of iPhone 4S Include:

• 2G Network: GSM 850 / 900 / 1800 / 1900, CDMA 800 / 1900
• 3G Network: HSDPA 850 / 900 / 1900 / 2100, CDMA2000 1xEV-DO
• Dimensions: 115.2 x 58.6 x 9.3 mm
• Weight: 140 g
• Display: LED-backlit IPS TFT, capacitive touchscreen, 16M colours, 640 x 960 pixels, 3.5 inches (~330 ppi pixel density), Scratch-resistant oleophobic surface, Multi-touch input method
• Camera: 8 MP, 3264x2448 pixels, autofocus, LED flash, Touch focus, geo-tagging, face detection
• Video: Yes, 1080p@30fps, LED video light, video stabilization, geo-tagging
• Secondary camera: Yes, VGA
• Internal memory: 16/32/64 GB storage, 512 MB RAM
• GPRS: Yes
• EDGE: Yes
• 3G: HSDPA, 14.4 Mbps; HSUPA, 5.8 Mbps
• WLAN: Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
• Bluetooth: Yes, v4.0 with A2DP
• USB: Yes, v2.0
• OS: iOS 5
• CPU: 1 GHz dual-core ARM Cortex-A9 processor, PowerVR SGX543MP2 GPU, Apple A5 chipset
• Messaging: iMessage, SMS (threaded view), MMS, Email, Push Email
• Browser: HTML (Safari)
• Games: Downloadable, incl. motion-based
• GPS: Yes, with A-GPS support
• MicroSIM card support only
• Scratch-resistant glass back panel
• Active noise cancellation with dedicated mic
• Siri natural language commands and dictation
• iCloud cloud service
• Twitter integration
• Digital compass
• Google Maps
• Audio/video player and editor
• Image editor
• Voice command/dial
• TV-out
• Standard battery, Li-Po 1432 mAh
• Talk time: Up to 14 hrs (2G) / Up to 8 hrs (3G)
• Standby: Up to 200 hrs (2G) / Up to 200 hrs (3G)
• Music play: Up to 40 hrs