This one is very expensive but has some kind of wheel and can support up to 1 TB of music... (and is said to have great sound quality). https://drop.com/buy/au

This one is very expensive but has some kind of wheel and can support up to 1 TB of music... (and is said to have great sound quality). https://drop.com/buy/aurender-flow https://drop.com/buy/aurender-flow