About sport case, The color of the outline can change , we have 4 colurs.
Each case has already attached this 4 kinds of colurs.
A clear case attached to a colorful lanyard keeps your iPod shuffle safely protected from the elements, so you can enjoy music at the beach, by the pool or on a rainy-day jog. You can even control your music without opening the case.

Use this r ed sport case to shelter your iPod shuffle from the elements. The integrated lanyard and convenient controls keep your iPod shuffle accessible whatever the weather.