iPhone 4 review

* Color: Black or White
    * Height: 4.5 inches
    * Width: 2.31 inches
    * Thin: 0.37 inches
    * Weight: 137 grams

Capacity:

    * 16GB or 32 GB

Display:

    * Retina Display
    * 3.5-inch (diagonal) widescreen Multi-Touch display
    * Resolution 960 x 640 pixels, with 326 ppi
    * Contrast ratio 800:1
    * Fingerprint-resistant oleophobic coating on the front and rear
    * Supports multiple languages and characters simultaneously

Audio:

    * Frequency response: 20Hz to 20,000 Hz
    * Audio Format: 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
Listen
Read phonetically

TV dan Video:

* Format Video: 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

Cellular and Wireless:

    * UMTS / HSDPA / HSUPA (850, 900, 1900, 2100 MHz)
    * GSM / EDGE (850, 900, 1800, 1900 MHz)
    * 802.11b/g/n Wi-Fi (802.11n 2.4GHz)
    * Bluetooth 2.1 + EDR wireless technology

Location Features:

    * A-GPS
    * Digital Compass
    * Wi-Fi

Batteries and Power:

    * Lithium-ion batteries that can be in charge
    * Power USB via PC / Mac
    * Talk time up to 7 hours (3G), up to 14 hours (2G)
    * Standby time: 300 hours
    * Use of the Internet up to 6 hours (3G), up to 10 hours (WiFi)
    * Video Recording: up to 10 hours
    * Record Audio: up to 40 hours