iPhone 3G introduced: $199, GPS, white version, flush headphone jack; more

Apple has taken wraps off the 3G iPhone. Among its features:

• Real GPS capabilities
• thinner
• plastic back
• flush headphone jack
• "improved audio"
• same 3.5-inch display
• solid metal buttons
• 2.8 times faster network speeds
• Battery: 300 hours standby; 5 hours of talk-time; 5-6 hours of browsing time; 7 hours of video

The 8GB 3G iPhone will be priced at $199, with a 16GB model priced at $299. The device will be available on July 11th in 22 countries.

Stay tuned for more.