The chart comparing it to the 700 indicates the lack of voice assistant on the QC45. The PDF instruction manual states: "You can use the headphones powered on

The chart comparing it to the 700 indicates the lack of voice assistant on the QC45. The PDF instruction manual states: "You can use the headphones powered on or off when the the audio cable is connected." I'm hopeful this all means what I want it to mean. https://www.bose.com/en_us/products/headphones/noise_cancelling_headphones/quietcomfort-headphones-45.html https://www.bose.com/en_us/products/headphones/noise_cancell...