https://www.theguardian.com/technology/2021/mar/09/sonos-roam-cheaper-multi-room-portable-smart-speaker-launched

Smaller, lighter and water-resistant device has Bluetooth and wifi, aimed at home and outdoor use

The wireless home-audio specialist Sonos has unveiled the Roam, its smaller, cheaper portable speaker with Bluetooth and wifi that works as well at home as it does outdoors.