I also have one of these which i am very pleased with as well, I think they are not available new any more. The Bose outlet store near me was selling factory reconditioned ones when i bought mine new. I don't really move this one around do to its size but it sounds great.
https://www.bose.com/en_us/support/products/bose_speakers_support/bose_smarthome_speakers_support/soundtouch-30-wireless-music-system.html