Card10 is the badge of the Chaos Communication Camp 2019 and features multiple sensors. However, at the moment support is very limited while its sensors are not yet exposed via BLE. Also note, that the card10 has some compatibility issues with iOS devices and Pixel phones, which hopefully might get fixed or bypassed at some point. At the moment, phyphox support is affected by these too.
As a quick test, reading the light sensor seems to work well (once the device is properly bonded):