Cheaper wifi speaker has Bluetooth plus Google or Alexa for great indoor and outdoor music
Review: Sonos Roam (2021 Wireless Speaker)
Sonos Roam Battery-Powered Portable Smart Speaker
Sonos Roam review: the portable speaker you'll want to use at home too, Smart speakers
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Sonos Roam review: portable potential - The Verge
Sonos Roam review: Into the unknown
Sonos Roam review: Stupendously good
Sonos Roam review: The right speaker at the right price
Sonos Roam - Portable Bluetooth Speaker and Charger Bundle - Sam's Club
This Sonos System Is the Easiest, Best-Sounding Way to Enjoy Music at Home
First Look: The New Sonos Roam Speaker Is Versatile but Pricey
Sonos Roam review: The right speaker at the right price