A codec is an audio coding algorithm used when transmitting sound via a Bluetooth connetion.
The headset supports the following 2 codecs for music playback via an A2DP connection: SBC and AAC.
This is an abbreviation for Subband Codec.
This is the standard audio coding technology used by Bluetooth devices.
All Bluetooth devices support SBC.
This is an abbreviation for Advanced Audio Coding.
AAC is mainly used by Apple products such as iPhones, and it provides higher sound quality than that of SBC.