Denon HEOS 1 Wireless Speaker (White, Discontinued by Manufacturer) Big sound from a compact, portable, wireless speaker Control the music in every room from any device Stream from your favorite music service such as Amazon Prime Music, Spotify, Pandora, Rhapsody, TuneIn, iHearRadio and SiriusXM on your free HEOS App for IOS, Android or Kindle Sealed enclosure provides humidity protection Optional Go Pack rechargeable battery pack/base with Bluetooth adapter