
Contents
Introduction....................................................................................3
Function overview..............................................................................3
Accessory overview........................................................................... 3
Basics.............................................................................................4
Charging the handset.........................................................................4
Turning the headset on and off.......................................................... 4
Pairing the headset with compatible devices.................................... 4
Wearing instruction............................................................................ 5
Using your headset........................................................................ 6
Call handling...................................................................................... 6
Multipoint technology........................................................................ 6
Resetting the headset........................................................................7
Troubleshooting..............................................................................8
I cannot answer a second call........................................................... 8
I cannot pair a second Bluetooth® device........................................ 8
The headset turns off automatically...................................................8
Unexpected behaviour.......................................................................8
No connection between headset and other device........................... 8
Legal information............................................................................9
Declaration of Conformity for MBH20............................................. 10
2

Introduction
Function overview
With the Mono Bluetooth® Headset, you can control incoming and outgoing phone
calls while you listen to music from your device. You can connect your Bluetooth®
headset to two Bluetooth® devices at the same time so that you can receive calls
from two devices without having to disconnect and reconnect.
Accessory overview
1. Ear speaker cover
2. Ear speaker
3. Micro USB port
4. Microphone
5. Power key/Call key
6. Notification light
Compatibility information for your accessory is available at
www.sonymobile.com/support
.
3
This is an internet version of this publication. © Print only for private use.

Basics
Charging the handset
Before using the Mono Bluetooth® Headset for the first time, you need to charge it
for approximately 2.5 hours. Sony chargers are recommended.
To charge the battery
1
Plug one end of the USB cable into the charger (or into the USB port of a
computer).
2
Plug the other end of the cable into the Micro USB port on your Mono
Bluetooth® Headset.
Turning the headset on and off
To turn on the headset
•
Press and hold down the Power key until the notification light turns green.
To turn off the headset
•
Press and hold down the Power key until the red notification light flashes once.
Pairing the headset with compatible devices
Before you can use the headset, you need to pair it with a Bluetooth® compatible
device, for example, a phone. After successful pairing, the headset connects to the
Bluetooth® compatible device as soon as the headset is turned on and within range.
You can also pair the headset with a second Bluetooth® compatible device in the
same way.
To manually pair the headset with a Bluetooth® device
1
Make sure the Bluetooth® device has the Bluetooth® function turned on.
2
Turn off the headset.
3
Headset: Press and hold down the Power key until a green notification light
starts flashing rapidly.
4
Bluetooth® device: Scan for Bluetooth® devices, then select MBH20 in the list
of available devices.
5
Bluetooth® device: Follow the pairing instructions that appear.
4
This is an internet version of this publication. © Print only for private use.