8.What Bluetooth transmitting codecs does the M5 support?

When working as Bluetooth transmitter,M5 supports SBC, LDAC and APTX Bluetooth codec.

From the status bar, you could check the Bluetooth codec format as Bluetooth transmitter:

S/A/L: M5 has connected to Bluetooth headphone, Bluetooth codec format is SBC/APTX/LDAC.

⑪:Bluetooth transmitter option is on and the M5 hasn't connected to Bluetooth headphone