SHUFFLE ADAPTER FOR ALTEC INMOTION SPEAKERS The SA1 adapter allows you to dock your iPod shuffle on any made-for-iPod inMotion speaker system, delivering high quality, crystal-clear sound. With the SA1 adapter and inMotion, your iPod shuffle can get a fresh charge when away from your computer. Use the SA1 with the inMotion iMplus, iM3, iM5 or iM11 to sync your iPod shuffle with your computer.