It has a 3.5-inch display and built-in Wi-Fi (802.11b and g). Like the iPhone and unlike the previous iPod Touch, the new model has a built-in speaker and external volume controls. It has the sensors such as the accelerometer (that allows the display to change its orientation depending on you hold the device), and Apple’s Multi-Touch interface.
There is also internal support for the optional Nike+iPod feature (It doesn’t require a receiver but you still need the in-shoe transmitter) as well as on-the-fly genius playlist creation, all included in the new iPhone 2.1 software.
Apple says the device is smaller and lighter than the previous version. It has a rated battery life of up to 36 hours for music and 6 hours for video on a single charge.
It also comes with new prices: $229 for the 8GB, $299 for the 16GB, and $399 for the 32GB. That is $100 cheaper than before.