WHAT DOES ROLLING BLUETOOTH SPEAKER WITH MICROPHONE MEAN?

It is a smart speaker that connects with Wi-Fi, Bluetooth and Apple AirPlay. You are able to pair the Transfer 2 with other Sonos speakers in your home to create a broader sound system. Plus you can use the Sonos line-in adapter (offered separately) to connect it to other audio sources like turntables, making it more flexible than our other major p