The Marshall Voice app supports German, English, French and Spanish.
No, the Uxbridge is not a portable speaker, it must be plugged in to a power source in order to function.
Yes, this speaker uses the Marshall Voice app.
Yes, the microphone can be muted.
Yes, all updates are released OTA (Over-The-Air) as long as the power of the speaker is left on and the speaker is connected to a Wi-Fi network.
No, the Uxbridge doesn't have the APTX or AAC codecs.