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We chose a 4th Generation iPod touch because it was readily available. Some of the chips and components we found were a 3.7 volt battery. The battery is 52-mAh and is 0.19-Whr. It also contains a logic board connecting to the battery. On apple.com we found that it has two gigabytes of flash storage. There were no TI components. One of the components is flash storage for the ipod shuffle, another component is the voice over button which tells you what song is playing, the headphone jack is a trrs jack which with the right cable can be connected to usb to charge and sync. I learned how to remove the ipod shuffle battery safety, the components of the IPod, and understanding the motherboard.