Vue Lite 2
Vue Lite 2 has an app which allows you to connect to Amazon Alexa and Spotify, so that you can control them via voice straight through your glasses.
Vue Lite 2 can also be used without the app—you can connect it directly to your phone, laptop, or any other device that supports Bluetooth.
Vue Lite
The original Vue Lite does not have a mobile app—it connects directly to your phone, laptop, or other devices, via Bluetooth.