iPhone specs...

Screen size: 3.5 inches
Screen resolution: 320 by 480 at 160 ppi
Input method: Multi-touch
Operating system: OS X
Storage: 4GB or 8GB
GSM: Quad-band (MHz: 850, 900, 1800, 1900)
Wireless data: WiFi (802.11b/g) + EDGE + Bluetooth 2.0
Camera: 2.0 megapixels
Battery: Up to 5 hours Talk / Video / Browsing
-Up to 16 hours Audio playback

Dimensions 4.5 x 2.4 x 0.46 inches / 115 x 61 x 11.6mm
Weight 4.8 ounces / 135 grams