Wireless Stereo Headset
WI-C100
Low sound quality, or noise or unusual sound can be heard.
If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your
ears, you may not obtain the correct sound qualities or volume.
If any of this is the case, try the following.
Check that you are wearing the headset properly in your ears. Wear the headset so that the earbud tip is
comfortably situated as deep in the ear canal as possible.
Turn down the volume of the connected device if it is too loud.
When playing music, if the headset and the transmitting Bluetooth device are connected via an HFP or HSP
Bluetooth connection, switch the Bluetooth connection to A2DP with the connected device.
When using a video calling application on a computer, switch the Bluetooth connection to HFP or HSP with the
computer.
During a video call, sound quality may become low due to the conditions of the communication line.
If the headset connects to the previously connected Bluetooth device, the headset may only establish the HFP/HSP
Bluetooth connection when it is turned on. Use the connected device to connect via an A2DP Bluetooth connection.
When listening to music from a computer on the headset, the sound quality may be poor (e.g., difficult to hear the
singer’s voice, etc.) for the first few seconds after a connection is established. This is due to the computer
specifications (priority on stable connection at the start of transmission and then switches to priority on sound quality
several seconds later) and is not a headset malfunction.
If the sound quality does not improve after a few seconds, use the computer to establish an A2DP connection. As for
the operations on your computer, refer to the operating instructions supplied with the computer.
Related Topic
Listening to music from a device via Bluetooth connection
Making a video call on your computer
What you can do with the “Sony | Headphones Connect” app
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