Give your music the freedom to move. Introducing the SoundDock#174 Portable digital music system for your iPod#174. A portable iPod speaker system that delivers a quality audio performance #32#151#32 without compromise. Advanced Bose#174 technologies and proprietary acoustic design combine to reproduce music with fullness and clarity unmatched by other battery-powered speakers. A rechargeable lithium-ion battery provides more power and longer playtime than most other types of rechargeable batteries, for hours of listening enjoyment.