USB powerbank port: Can I also use a USB stick with music on the USB powerbank port (if available)?

The USB powerbank ports on the following devices are designed exclusively as powerbank charging ports for a cell phone or tablet, for example. Playing music is not possible.

Valid for: ROCKSTER, ROCKSTER AIR, ROCKSTER XS, RADIO ONE, BOOMSTER/BOOMSTER (2020) and BOOMSTER XL.