The Sony WF-C500 are IPX4 water-resistant, Bluetooth 5.0 earbuds featuring 5.8mm dynamic drivers, DSEE sound enhancement, physical buttons, and up to 10 hours of playback (20 with case). Key specs include 20Hz-20kHz frequency response, support for SBC/AAC codecs, a 10m range, USB-C charging, and physical controls, offering great value without ANC but with customizable EQ via the app.