Bixby Assistant Voice Commands provide voice commands that are useful and helpful in making device easier and smarter to use. Bixby Voice supports every device and everywhere. The GalaxyS20, S20+, Fold devices, S10, S10 Plus, S10e, S9, Galaxy S9 Plus, Note 9, Galaxy S8, and Note 8 range all feature a dedicated Bixby Voice button on the left side, just below the volume rocker.