CASIO PRIVIA PX-S3100 Black -Mint Condition Includes Pedals, Stand And Case admin | January 18, 2024 Bluetooth® Audio connectivity makes it easy to use the speaker system of the Privia PX-S3100 as a wireless speaker for your smartphone, tablet or other Bluetooth® Audio enabled device. A key feature of the Privia PX-S3100 is its slim body.