Et tu, Sony? The FCC posted documents on an upcoming handset and the Charging mode schematic shows a dongle that splits into a USB port and a headphone jack (Page 8 of source link). The next page goes into a bit more detail - the adapter measures 20cm and offers a USB-C port and a headphone jack. This lets you continue listening to music while you charge, addressing a common issue with phones without a headphone jack. Sony has noise-canceling headphones that work on a mostly standard jack (the headphones have an extra ring, but regular headphones work just fine), so it never felt...
Source: https://www.gsmarena.com/sony_xperia_with_no_headphone_jack_spotted_in_fcc_documents-news-29255.php