generate questions: Like other digital music players, iPods can serve as external data storage devices. Storage capacity varies by model, ranging from 2 GB for the iPod Shuffle to 128 GB for the iPod Touch (previously 160 GB for the iPod Classic, which is now discontinued).
In addition to playing music, what other function can the iPod perform? {sep_token} What is the smallest data capacity for an iPod product? {sep_token} What is the largest data capacity for an iPod product? {sep_token} Which iPod product features the smallest data storage capacity? {sep_token} Which current iPod product features the largest data storage capacity? {sep_token} What's the storage capacity of the iPod Shuffle? {sep_token} What's the storage capacity for the iPod Touch? {sep_token}