Altec Lansing inMotion iM414 Portable Audio System for Zune Works with Zune 30 GB, 80 GB, 8 GB, 4 GB, NOT Compatible with Zune HD Robust and sleek speaker system and dock designed for use with Zune MP3 players Delivers crystal clear playback via custom, full-range, twin bass-enhanced neodymium speakers Built-in radio with programmable presets; easy-to-read LED display Charges your Zune player while docked 1-year limited warranty