Technology wise Apple iPhone is very beautiful whit & Black colors available that mode. The mode is looking very good and the weight of juts 137 grams only. The is amazing features with Windows & Mac supportable. Iphone is supporting 2G & 3G Network also. The Iphone is availbe with CDMA one model & GSM is the another model also.
Feature and Speciation of Iphone 4
Wireless features
GSM Model : UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz)
CDMA Model : CDMA EV-DO Rev. A (800, 1900 MHz)
• 802.11b/g/n Wi-Fi (802.11n 2.4GHz only)
• Bluetooth 2.1 + EDR wireless technology
Dimensional & Weight
Height: 4.5 inches (115.2 mm)
Width: 2.31 inches (58.6 mm)
Depth: 0.37 inch (9.3 mm)
Weight: 4.8 ounces (137 grams)
Power and battery
• Built-in rechargeable lithium-ion battery
• Charging via USB to computer system or power adapter
• Talk time:
Up to 7 hours on 3G
Up to 14 hours on 2G (GSM model only)
• Standby time: Up to 300 hours
• Internet use:
Up to 6 hours on 3G
Up to 10 hours on Wi-Fi
• Video playback: Up to 10 hours
• Audio playback: Up to 40 hours
Mac system requirements
• Mac computer with USB 2.0 port
• Mac OS X v10.5.8 or later
• iTunes 10.1 or later (free download from www.itunes.com/download)
• iTunes Store account
• Internet access
Windows system requirements
• PC with USB 2.0 port
• Windows 7; Windows Vista; or Windows XP Home or Professional with Service Pack 3 or later
• iTunes 10.1 or later (free download from www.itunes.com/download)
• iTunes Store account
• Internet access
Environmental requirements
• Operating temperature: 32° to 95° F (0° to 35° C)
• Nonoperating temperature: -4° to 113° F (-20° to 45° C)
• Relative humidity: 5% to 95% noncondensing
• Maximum operating altitude: 10,000 feet (3000 m)
Capacity3
• 16GB or 32GB flash drive
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
Display
• Retina display
• 3.5-inch (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
TV and video
• Video formats supported: H.264 video up to 720p, 30 frames per second, Main Profile level 3.1 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
• Support for 1024 by 768 pixels with Apple VGA Adapter; 576p and 480p with Apple Component AV Cable; 576i and 480i with Apple Composite AV Cable (cables sold separately)
Rating for hearing aids4
iPhone 4 (GSM model)
• 3G network - 850/1900MHz: M4, T4
• 2G network - 850MHz: M3, T3
• 2G network - 1900MHz: M2, T3
iPhone 4 (CDMA model)
• M4, T4
In the box
• iPhone 4
• Apple Earphones with Remote and Mic
• Dock Connector to USB Cable
• USB Power Adapter
• Documentation
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