Questions about PowerGuard 2-in-1 Splitter USB-C Headphone DAC & USB-C Charge

The manufacturer unfortunately does not mention any data transfer capabilities, so it is likely not possible.

According to my research, you can use Scrcpy to synchronise your device via USB debugging mode even if you are using the PowerGuard 2-in-1 Splitter USB-C Headphone DAC & USB-C Charge. The splitter allows you to simultaneously charge your device and use headphones while connected via USB debugging