Bluetooth earphone that can enjoy high sound quality equivalent to HiReso wirelessly compatible with SONY proprietary LDAC
It is a new codec used in the Bluetooth audio profile (A2DP). Compared with conventional technology, it can transmit up to about 3 times the amount of information and reproduce high sound quality, high bit rate sound source including high resolution sound source. 
Compared to music playback with Bluetooth equipment so far, it achieves high resolution Bluetooth radio transmission with high sound quality.
※ DSD format is excluded.