Sony WH-XB900N Help Manual page 11

12.
Indicator (blue/red)
Lights up in red while charging.
Lights up in red or blue to indicate the power or communication status of the headset.
13.
(power) button
14.
USB Type-C port
Connect the headset to a computer or a commercially available USB AC adaptor with the supplied USB Type-C
cable to charge the headset.
15.
INPUT jack
Connect a music player, etc. using the supplied headphone cable. Make sure that you insert the cable until it clicks. If
the plug is not connected correctly, you may not hear the sound properly.
16.
Microphones
Picks up the sound of your voice (when talking on the phone) and noise (when using the noise canceling function).
Use both microphones of the
Related Topic
About the indicator
Checking the remaining battery charge
(left) and (right) units when talking on the phone.
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