About playing "left and right channels Test" confirmation channel right track. TWS headset supports the primary and secondary ears, the switchover time after confirmation, when the monaural output channels using a mono or mixed output
Play the "left and right channel test" track to confirm that the left and right channels are correct. TWS headset supports the switching of main and auxiliary ears. Confirm it again after switching. When the single ear is used, whether the channel output is mono output or mixed output