The technical specifications for the early model iPhone are as such:

Size and weight

Height: 115 mm (4.5 inches)
Width: 61 mm (2.4 inches)
Depth: 11.6 mm (0.46 inch)
Weight: 135 grams (4.8 ounces)

Features

Capacity: 4GB or 8GB flash drive
Display: 3.5-inch (diagonal) wide screen multi-touch display, 480-by-320-pixel resolution at 160 dpi
Operating system: OS X
GSM: Quad-band (850, 900, 1800, 1900 MHz)
2.0 mega pixels Camera
Support for multiple languages and characters simultaneously

Audio

Frequency response: 20Hz to 20,000Hz
Audio formats supported: AAC, Protected AAC, MP3, MP3 VBR, Audible (formats 1, 2, and 3), Apple Loss less, AIFF, and WAV
Headphones: Stereo earphones with built-in microphone
Wireless data: Wi-Fi (802.11b/g), EDGE, Bluetooth 2.0, +EDR

Power and battery

Built-in rechargeable lithium ion battery
Talk time: Up to 8 hours
Standby time: Up to 250 hours
Internet use: Up to 6 hours
Video playback: Up to 7 hours
Audio playback: Up to 24 hours

Video formats

• H.264 video, up to 1.5 Mbps, 640 by 480 pixels, 30 frames per second
• Low-Complexity version of the H.264 Baseline Profile with AAC-LC audio up to 160 Kbps
• 48kHz, stereo audio in .m4v, .mp4, and .mov file formats
• H.264 video, up to 768 Kbps, 320 by 240 pixels, 30 frames per second
• Baseline Profile up to Level 1.3 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, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats

Frequency response: 20Hz to 20,000Hz

Impedance: 32 ohms

In the box

• Handset
• Stereo Headset
• Dock, Connector to USB Cable
• USB Power Adapter
• Documentation
• Cleaning/polishing cloth