The second-generation iPod Touch (available with 8, 16 or 32 GB of memory) adds external volume controls and a speaker for sound effects. It also has a faster processor, although Apple doesn't mention this in any of its marketing materials. We found that applications launch faster, Safari displays web pages faster, email fetches faster and everything feels quicker. When running the same apps side-by-side with an iPhone 3G, the second-generation iPod Touch was a clear winner — faster and more responsive. (It probably doesn't hurt that the iTouch doesn't have to run the cell phone communication software in the background like iPhone does... but that software spends most of its time idle on iPhone anyway.)
The speaker is hidden inside the headphone jack. It has a much smaller opening to broadcast its sound than the iPhone, so it's a lot quieter. But it's adequate for casual gaming, and makes the alarm and timer functions useful, finally. The iPod Touch makes a pretty good alarm clock; just make sure the volume is turned up before you go to bed!
The newer iTouch has a lower-capacity battery than the original, yet claims longer life — 36 hours of music vs. the original's 22 hours, and 6 hours of video playback vs. 5 hours. We didn't perform an exhaustive test, but we did watch TV shows for a couple of hours on a plane flight (with the volume up to overcome aircraft noise) and noted the battery indicator was still more than half-full at the end. This follows the trend of Apple's previous iPods; with time, more power-efficient electronics enable longer operation with smaller batteries.
While the second-generation iPod Touch adds Bluetooth hardware, you can't do anything with it yet. Apple says the upcoming OS 3.0 will enable it to support stereo Bluetooth headphones. Third party developers will be able to use it, too — for multiplayer games among iPods, exchanging virtual business card, or whatever else they think up. This flexibility limits interoperability, though; it doesn't use the standard Bluetooth OBEX protocol for sending data objects, so it won't work with non-Apple devices.
Additionally, the new iPod Touch supports the Nike+iPod Sport Kit, which previously worked only with the iPod Nano.For more information on mobile just click Online IT Dunia.
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