MPN: MC547LL, 64 GB (Built-in Memory), 16000 Songs, 3.56 oz., Audio Files: MP3, WAV, AAC, MP3 VBR, AIFF, Audible. Video Files: MPE... Apple's popular 64GB iPod touch now reaches its 4th generation, offering an incredible iPod, video camera, pocket computer, and portable game player all in a single sleek unit with exceptional battery life. The iPod touch offers the same powerful A4 processor as the iPhone 4, as well as the stunning Retina Display with a Multi-Touch interface, which allows you to use your fingers to control all aspects of the iPod.