IPhone not user-replaceable. The iPhone can be charged when connected to a computer for syncing across the included USB to dock connector cable, similar to charging an iPod. Alternatively, a USB to AC adapter (or "wall charger", also included) can be connected to the cable to charge directly from an AC outlet. Some models of the iPhone support wireless charging. Apple runs tests on preproduction units to determine battery life. Apple's website says that the battery life "is designed to retain up to 80% of its original capacity after 400 full charge and discharge cycles", which is comparable to iPod batteries.
IPod Touch (5th generation) the earpods that comes with the iPod does not include a remote and mic. The Voice Control feature can also be used to identify a track, play songs in a playlist or by a specific artist, or create a Genius playlist. Like the iPhone 4S and later models, the fifth generation iPod Touch was the first in the iPod Touch line-up to include Siri, that allows the user to operate the device by spoken commands. The software was improved in iOS 6 to include the ability to make restaurant reservations, launch apps, dictate Facebook or Twitter updates, retrieve movie reviews