The Sony MDR-EX750BT In-ear Headphone allows you to stream music at a bit-rate higher rate than CD’s 16-bit resolution, providing audio that parses digital signal into more and better defined segments. Therefore, music will sound more faithful to how it was produced in the analog realm; no more carping about lossy MP3s – now the entire audio world is your oyster. The Sony MDR-EX750BT In-ear Headphone accomplishes this feat wirelessly, via Bluetooth, with One-Touch NFC pairing, and utilizing Sony’s proprietary LDAC codec (so long as your device features LDAC at the SRC point). Thanks to the in-line remote and mic, the Sony MDR-EX750BT In-ear Headphone can also be used to take hands-free calls, and switch tracks without ever having to touch your smartphone.