JBL Playlist: Yes, it can be used with Bluetooth out of the box, and also Chromecast (setup is done via Google Home, but speaker does not have Google Assistant built-in) JBL Link Bar: Yes, it can be used with Bluetooth and Chromecast after setting the bar up with a Google account - choosing not to activate the Google Assistant. JBL Link Music: No, this speaker requires setup via Google Home JBL Link Portable: No, this speaker requires setup via Google Home JBL Link 10, 20 and Link View: No, these speakers requires setup via Google Home Harman Kardon Citation series: No, this speaker requires setup via Google Home Harman Kardon Allure: Yes, Bluetooth is available from factory settings. Every time it is powered on and off, the speaker will say "Now in setup mode, follow the instructions in the Harman Kardon Alexa App." Harman Kardon Allure Portable: Yes, Bluetooth will be available after initial setup in the Harman Kardon Alexa App. This means that you have to log in with your Amazon account at first, and if you do not want to use the Alexa assistant, log out of you Amazon account afterwards. Harman Kardon Astra: Yes, Bluetooth will be available after initial setup in the Harman Kardon Alexa App. This means that you have to log in with your Amazon account at first, and if you do not want to use the Alexa assistant, log out of you Amazon account afterwards.