Sony WI-C100 Reference guide

Help Guide

Wireless Stereo Headset

WI-C100

Model: YY2957

Quick Start Guide

To prevent burning or malfunction due to getting wet

Download the app, and set up the headset

Let’s start to use

Wearing the headset

Put the headset unit with the (left) mark into your left ear and the headset unit with the (right)

mark into your right ear.

To use all functions and improved performances
Update the software of the headset and “Sony | Headphones Connect” app to the latest version. For details, refer to the
following:
https://www.sony.net/elesupport/
Related information
Establishing a BLUETOOTH® connection manually
Charging the headset
Turning on the headset
Press and hold the button for about 2 seconds until the indicator (blue) starts flashing. The headset
is turned on. Follow the downloaded “Sony | Headphones Connect” app instructions.  
Operating with the headset
Operate the audio device.
 Press once: Play/Pause
+ ( ) Press once: Increase the volume
+ ( ) Press and hold: Skip to the beginning of the next track
– ( ) Press once: Decrease the volume
– ( ) Press and hold: Skip to the beginning of the previous track (or the current track during
playback)
Getting started
What you can do with the Bluetooth function
About the voice guidance
Supplied accessories
Checking the package contents
Replacing the earbud tips
Parts and controls
Location and function of parts
About the indicator
Wearing the headset
2

Power/Charging
Charging the headset
Available operating time
Checking the remaining battery charge
Turning on the headset
Turning off the headset
Making connections
How to make a wireless connection to Bluetooth devices
Easy setup with app
Connecting with the “Sony | Headphones Connect” app
Android smartphone
Pairing and connecting with an Android smartphone
Connecting to a paired Android smartphone
iPhone (iOS devices)
Pairing and connecting with an iPhone
Connecting to a paired iPhone
Computers
Pairing and connecting with a computer (Windows® 10)
Pairing and connecting with a computer (Windows 8.1)
Pairing and connecting with a computer (Mac)
Connecting to a paired computer (Windows 10)
Connecting to a paired computer (Windows 8.1)
Connecting to a paired computer (Mac)
Other Bluetooth devices
Pairing and connecting with a Bluetooth device
Connecting to a paired Bluetooth device
Listening to music
Listening to music via a Bluetooth connection
Listening to music from a device via Bluetooth connection
3

Controlling the audio device (Bluetooth connection)
Disconnecting Bluetooth connection (after use)
About 360 Reality Audio
Sound quality mode
About the sound quality mode
Supported codecs
About the DSEE function
Making phone calls
Receiving a call
Making a call
Functions for a phone call
Making a video call on your computer
Disconnecting Bluetooth connection (after use)
Using the voice assist function
Using the voice assist function (Google app)
Using the voice assist function (Siri)
Using the apps
What you can do with the “Sony | Headphones Connect” app
Installing the “Sony | Headphones Connect” app
Accessing support information from the “Sony | Headphones Connect” app
How to keep the software up-to-date (for comfortable use of the headset)
Important information
Precautions
To prevent burning or malfunction due to getting wet
If the headset gets wet
Licenses
Trademarks
Customer support websites
4

5-036-709-11(2) Copyright 2022 Sony Corporation
Troubleshooting
What can I do to solve a problem?
Power/Charging
Unable to turn on the headset.
Charging cannot be done.
Charging time is too long.
The available operating time is short (the duration of the battery is short).
Sound
No sound
Low sound level
Low sound quality, or noise or unusual sound can be heard.
Sound skips frequently.
Bluetooth connection
Pairing cannot be done.
Unable to make a Bluetooth connection.
The headset does not operate properly.
Cannot hear a person during a call/low voice from callers, your voice does not reach the person during a call/your voice is low on
the caller’s side.
Others
Earbud tips are damaged or lost.
An earache occurs.
Resetting or initializing the headset
Resetting the headset
Initializing the headset to restore factory settings
Specifications
Specifications
5

Help Guide

Wireless Stereo Headset

WI-C100

What you can do with the Bluetooth function

The headset uses Bluetooth wireless technology, allowing you to do the following.

Listening to music

You can enjoy music wirelessly from a smartphone or music player, etc.

Talking on the phone

You can make and receive calls hands-free, while leaving your smartphone or mobile phone in your bag or pocket.

Help Guide

Wireless Stereo Headset

WI-C100

About the voice guidance

In the factory settings, you will hear the English voice guidance in the following situations via the headset.

You can change the language of the voice guidance and turn on/off the voice guidance using “Sony | Headphones

Connect” app. For more details, refer to the “Sony | Headphones Connect” app help guide.

https://rd1.sony.net/help/mdr/hpc/h_zz/

When the headset is turned on: “Power on”

When the headset is turned off: “Power off”

When entering pairing mode: “Bluetooth pairing”

When establishing a Bluetooth connection: “Bluetooth connected”

When disconnecting a Bluetooth connection: “Bluetooth disconnected”

When informing the remaining battery charge: “Battery about XX %” (The “XX” value indicates the approximate

remaining charge. Use it as a rough estimate.) / “Battery fully charged”

When the remaining battery charge is low: “Low battery, please recharge headset”

When automatically turning off due to low battery: “Please recharge headset. Power off”

Note

It takes about 4 minutes when you change the language of the voice guidance.

If the voice guidance is not heard after changing the voice guidance language or updating the software, turn the headset off and

on again.

Help Guide

Wireless Stereo Headset

WI-C100

Checking the package contents

After opening the package, check that all of the items in the list are included. If any items are missing, contact your

dealer.

Numbers in ( ) indicate the item amount.

Wireless Stereo Headset

Hybrid silicone rubber earbud tips (SS/M/LL 2 each)

M-sized earbud tips come attached to the left and right units of the headset at the time of purchase.

Depending on the color of the headset, a set of one of the following earbud tip types is supplied.

The size of the earbud tips can be determined based on the number of dotted lines inside the bottom of the

earbud tips.

SS size: 1 line

M size: 3 lines

LL size: 5 lines

The size of the earbud tips can be determined based on the color of the inside of the earbud tips.

SS size: red

M size: green

LL size: purple

Note

Earbud tips are consumables. If the earbud tips are damaged and need replacing, contact your nearest Sony dealer.

Help Guide

Wireless Stereo Headset

WI-C100

Replacing the earbud tips

M-sized earbud tips come attached to the left and right units of the headset at the time of purchase.

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 call performance.

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.

Hybrid silicone rubber earbud tips

Depending on the color of the headset, a set of one of the following earbud tip types is supplied.

The size of the earbud tips can be determined based on the number of dotted lines inside the bottom of the earbud

tips.

SS size: 1 line

M size: 3 lines

LL size: 5 lines

The size of the earbud tips can be determined based on the color of the inside of the earbud tips.

SS size: red

M size: green

LL size: purple

Remove the earbud tip.

Do not pinch the end of the earbud tip when removing it.

Attach the earbud tip.

Firmly insert the earbud tip all the way. Do not attach the earbud tip in a loose or skewed manner.

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