Technical Specifications:

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 - Wi-Fi (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