Teufel REAL BLUE TWS Parts list manual

Teufel REAL BLUE TWS
Bluetooth In-Ear Headphone
You can find an extensive user manual
online at
www.teufelaudio.com/real-blue-tws
Technical Description And
User Manual

2• REAL BLUE TWS
Table of contents
General Information ......................... 3
Notice ............................................ 3
Right of Return .............................. 3
Complaints .................................... 3
For Your Safety .................................. 4
Proper Use..................................... 4
Safety notes....................................... 5
Explanation of terms..................... 5
Disposal............................................. 7
Trademarks........................................ 8
1. Introduction................................... 9
2. What’s in the box......................... 10
3. Product overview.........................11
3.1 Headphones .........................11
3.2 Charging Case ......................12
3.3 Headphone LED
indications...................................13
3.4 Charging case LED
indications................................... 14
4. Getting started............................15
4.1 Powering on & off .................15
4.2 Choosing the correct
eartips .........................................15
4.3 Connecting with the
headphones ................................ 16
4.4 Information on the Bluetooth
wireless connection.................... 16
5. Using the Headphones ............... 17
6. Charging ......................................18
6.1 Charging the headphones....18
6.1.1 Charging time ...............18
6.1.2 Check the headphone
battery level ...........................18
6.2 Charging the charging case .19
6.2.1 Charging time ...............19
6.2.2 Check the case battery
level .........................................19
7. Care and maintenance................21
7.1 Cleaning the headphones
and charging case.......................21
7.2 Storing the headphones
in the charging case....................21
8. Troubleshooting ..........................22
9. Technical Data.............................25
10. Declaration Of Conformity........26

3• REAL BLUE TWS
General Information
Notice
The information in this document is
subject to change without prior notice
and in no way constitutes any liability
on the part of Lautsprecher Teufel
GmbH.
No part of this user manual may
be reproduced in any form or be
broadcasted in any way electronically,
mechanically, by photocopying
or recording without the written
permission of Lautsprecher Teufel
GmbH.
© Lautsprecher Teufel GmbH
Version 1.0
May 2021
Right of Return
If you wish to exercise your 8 weeks
right of return, we ask that you make
sure that you hold onto the original
packaging. We can only accept the
return of headphones WITH THE
ORIGINAL PACKAGING. Headphones
returned without the original
packaging will not be accepted.
Complaints
In the event of a complaint, the
invoice number is required in order
for your complaint to be processed.
The invoice number can be found
on the sales slip (enclosed with the
product) or on the order confirmation
PDF document.
Thank you for your support!

4• REAL BLUE TWS
For Your Safety
Proper Use
The “Teufel REAL BLUE TWS”
Headphone are designed for the
playback of audio signals that
can be wirelessly transmitted via
Bluetooth®from the external player.
The headphones are also suitable
as a headphone for connecting
to Bluetooth compatible (mobile)
phones. Only use the headphones
as described in this user manual.
Any other use will be deemed as not
in accordance with the instructions
and may lead to damage to property
or even persons. The manufacturer
accepts no liability for damage
caused by improper use. The
headphones are intended for private
use only.
Before operating the
headphones, please first
read the safety notes and
user manual carefully. This
is the only way to use all functions
safely and reliably. Store the user
manual in a safe place and also be
sure to pass it on to any subsequent
owner.

5• REAL BLUE TWS
Safety notes
This chapter contains general safety
notices. You should always observe
these notices to protect both yourself
and third parties. You should also
observe the warning notices in each
chapter of this user manual.
Explanation of terms
You can find the following signal
terms in this user manual:
WARNING
This signal term indicates a
moderate risk, which, if not
avoided, may result in death
or severe injury.
CAUTION
This signal term indicates a
low risk, which, if not avoided,
may result in minor or
moderate injury.
NOTICE
This signal term warns you of
potential damage.
This symbol advises of useful
additional information.
WARNING
Danger of suffocation! Children
can become trapped in the
packaging film when playing and
suffocate.
• Make sure that children do not play
with the packaging, and that they
do not pull off small parts of the
headphones and put them in their
mouth.
Risk in road traffic and at work!
Your headphones significantly
dampen external noise so that
you are not entirely aware of your
surroundings.
• Do not in any case wear your
headphones while performing
activities where you are required to
pay attention to your surroundings.
This particularly applies to when
you are operating machinery or
driving on the road. You should
also observe the legal guidelines
and provisions of the country
which you are in when using the
headphones.

6• REAL BLUE TWS
Attention! Risk of explosion/
fire! Lithium rechargeable
batteries can explode if handled
improperly.
• Do not heat or burn the
rechargeable battery. Only charge
the rechargeable battery at
ambient temperature of -10–45°C.
Do not use the headphones in
environments where there is a
risk of explosion. Do not expose
batteries and rechargeable
batteries to direct sunlight.
Interference caused by radio
waves! Radio waves could affect
the function of other sensitive
devices that are not protected.
• Only use the headphones in
environments where the use of
Bluetooth®is permitted.
CAUTION
Extended listening at high
volumes may lead to
hearing loss!
• To avoid damage to your health,
avoid extended listening at high
volumes.
• If the headphones are set to full
volume, it may produce very high
sound pressure. This might have
psychological consequences and
also cause physical injury. Children
are especially at risk. Set the
volume control of your player to low
volume before you turn it on.
NOTICE
Risk of damage! Improper
handling of the headphones may
result in damage.
• Ensure that the headphones do
not become wet, and protect them
from moisture, heat (e.g. during the
summer in cars) and mechanical
influences (e.g. severe shocks,
pressure and falling).

7• REAL BLUE TWS
Disposal
Old devices must not be
disposed of with house-
hold waste!
Electrical equipment
contains harmful
substances and valuable resources.
Every consumer is required by law
to bring all old electrical devices to
an authorised collection or return
point so that they can be disposed of
in a manner that is environmentally
friendly and preserves resources.
You can hand your old electrical
devices over to the local reusable
materials/recycling centre.
Please contact your vendor directly
for more information about this topic.
Batteries and rechargeable
batteries do not belong in
the household garbage!
Every consumer is required
by law to bring all batteries and
rechargeable batteries, regardless
whether they contain harmful
substances* or not, to a collection
point run by local authority, borough,
or to a retailer, so that they can be
disposed of in an environmentally
friendly manner.
Please only turn in batteries and
rechargeable batteries that are
empty!
* labelled with: Cd = cadmium,
Hg=mercury, Pb = lead

8• REAL BLUE TWS
Trademarks
© All trademarks are the property of
their respective owners.
Apple, iOS and Siri are trademarks of
Apple Inc., registered in the U.S. and
other countries.
Android and Google Assistant are
trademarks of Google LLC.
The Bluetooth®word mark and logos
are registered trademarks owned by
the Bluetooth SIG, Inc. and any use of
such marks by Lautsprecher Teufel is
under license.

9• REAL BLUE TWS
1. Introduction
Thank you for purchasing the
Teufel REAL BLUE TWS Bluetooth
headphones which are designed
to bring an extraordinary sound
experience for your entertainment.
Please read this user manual before
using the headphones for the first
time, it will provide you with useful
information and help you get started.

10 • REAL BLUE TWS
2. What’s in the box
Unpack the box carefully and ensure
that the following parts are included.
If any part is damaged or missing, do
not use it and contact your retailer or
customer service representative.
Headphones
Charging Case
Eartips (M pre-mounted to the
headphones)
USB-C Charging Cable
Quick Start Guide & User Manual

11• REAL BLUE TWS







The User Interface of “REAL BLUE
TWS” has the following elements:
1. Multipurpose Button
2. Built-in Microphone
3. LED indicator
4. Charging contact
5. Logo
6. Built-in Microphone
3. Product overview
3.1 Headphones

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 
3.2 Charging Case
1. Power indicator
2. USB-C charging port

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3.3 Headphone LED
indications
Headphone State LED indicator Voices Alert
Power On The indicator solid on white for 2 seconds. “Power On”
Power Off The indicator solid on blue for 2 seconds. “Power off”
BT Pairing Mode The indicator flashes white and blue
alternately. “Pairing”
Pairing timeout
The indicator flashes blue and white in
the first 3 minutes, and solid on blue for
2seconds.
“Power off”
BT Connected The indicator flashes white 7 times. “Connected”
Standby The indicator flashes white once in
5seconds.
Connection lost
(out of the effective
range)
Reconnect: flashes once in 5 seconds,
before the headphones disconnected in
3minutes;
Turn off: the indicator solid on blue for
2seconds.
“disconnected”
Connection lost
(turn off the
Bluetooth)
The indicator flashes blue and white in
the first 3 minutes, and solid on blue for
2seconds.
“disconnected”
Clear device list The indicator slowly flashes blue 4 times.

14 • REAL BLUE TWS
3.4 Charging case LED
indications
Charging Case State LED indicator
Opening/Closing case Battery Level of case for 5s. Then off.
Battery level
3 LEDs on: Full, can charge headphones 3 times;
2 LEDs on: can charge the headphones 2 times;
1 LED on: can charge the headphones 1 time;
When battery is low: the first LED on the left flashes.
Charging the case
The 1st LED flashes when the battery level falls below
one third.
The 1st LED is always on and the 2nd LED flashes when
the battery level is more than one-third.
The first two LEDs are on and the third LED flashes when
the battery level is more than two-thirds.
3 LEDs are always on when fully charged.
When unplugging the charging cable: 3 LEDs flash
3times and then go out.
Charging the headphones
Put the headphones into the charging case, the LEDs are
in white for 5 seconds and go out, then the LEDs on the
left and right flash in blue (if only one headphone is put in,
then only one LED flashes, left for L headphone, right for
R headphone), when fully charged, the current charging
case battery level is displayed and the LEDs solid on
white for 5seconds and go out.

15• REAL BLUE TWS
4. Getting started
4.1 Powering on & off
1. Open the charging case, the
headphones will automatically turn
on.
2. Place the headphones into the
charging case, then close the
charging case, the headphones will
power off and continue charging.
4.2 Choosing the
correct eartips
For optimal audio performance, it
is important to choose the correct
eartip size. Select the size that gives
you the best comfort and fit in each
ear. To determine the best fit, you
may need to try all three sizes. You
may need a different size for each
ear.
NOTICE
To test the fit, try speaking
aloud. Your voice should
sound muffled in both ears; if
not, select another tip size.
Insert the right headphone into your
right ear and the left headphone into
your left ear.
Insert the headphones at a slight
angle into the ears and twist them
slightly into the ear canal, so that
they sit comfortably and snugly.

16 • REAL BLUE TWS
4.3 Connecting with
the headphones
1. Opening the charging case for the
first time will automatically start
pairing on the headphones. The
LED’s on the headphones will solid
on white for 2 seconds.
2. Enable Bluetooth on your device
and search for the “Teufel REAL
BLUE TWS”. The LED will flash
white 7 times once successfully
paired.
3. If the headphones have been
paired with another device before,
hold both L and R multifunction
buttons for 1.5 seconds. The
headphones will enter pairing
mode and the new device can find
and connect to it.
4. If the headphones have already
been paired to a device, they will
automatically reconnect to that
device. If none of these devices
are available within 60 seconds,
the headphones will enter pairing
mode.
Teufel REAL BLUE TWS
4.4 Information on the
Bluetooth wireless
connection
The headphones are compatible with
Bluetooth 5.2.
If your audio source supports high-
resolution audio encoding methods
SBC, AAC, it will automatically play
high audio quality music.
The paired devices immediately
establish the Bluetooth wireless
connection after switching on and are
ready for use.
When you switch the headphones on,
they automatically try to connect to
the last connected Bluetooth device.

17• REAL BLUE TWS
5. Using the Headphones
Double-tap the L/R multipurpose area to play/pause music.
Triple-tap the R multipurpose area to skip to the next track.
Triple-tap the L multipurpose area to go back to the previous track.
Play music
Double-tap L/R multipurpose area to answer a call.
Tap and hold L/R multipurpose area 1.5 seconds to refuse a call.
Double-tap L/R multipurpose area to end a call.
Phone
During play or call, single-tap R multipurpose area for volume up,
Lmultipurpose area for volume down.
Volume
Tap and hold R multipurpose area for 1.5 seconds to enable/disable the
Voice Assistant.
Tap and hold L multipurpose area for 1.5 seconds to cycle through:
Noise Cancelling on--> Transparency On --> Noise Cancelling off.
Put both earbuds inside the charging case, tap either one 5 times to
clear the BT list.
Voice Assistant
Transparency/ANC
Clear BT List

18 • REAL BLUE TWS
6. Charging
6.1 Charging the
headphones
The headphones charge while they
are in the charging case.
6.1.1 Charging time
Allow up to two hours (TBC) to fully
charge the headphones.
NOTICE
A full charge of the
headphones allows up to 7.5
hours of use.
6.1.2 Check the headphone
battery level
While using the headphones
If connected to an Apple or Android
device, the device displays the
approximate battery level near the
upper right corner of the screen and
in the notification bar.
This displayed battery level is not
accurate. To get the real-time battery
level, use a Battery Widget for
Android or iOS or the companion app.
While charging the headphones
When an headphone is inserted, its
corresponding charging indicator
glows according to charging status.
Battery status
1-32% LED 1 flashes
33-65% LED 1 solid on and LED
2 flashes
66-99% LED 1 + 2 solid on and
LED 3 flashes
100% LED 1 + 2 + 3 solid on

19• REAL BLUE TWS
6.2 Charging the
charging case
The charging case stores and
charges the headphones when not in
use.
CAUTION
Use this product only with
an agency approved power
supply which meets local
regulatory requirements (e.g.,
UL, CSA, VDE, CCC).
1. Connect the small end of the
supplied USB cable into the USB-C
port.
2. Connect the other end into a USB
wall charger (not provided).
NOTICE
Before charging, be sure that
the headphones are at the
correct operating temperature
of between -10°C and 40°C.
6.2.1 Charging time
Allow up to three hours (TBC) to
fully charge the case. When the
headphones are inside of the case,
charging time varies.
NOTICE
When the case in fully
charged, you can charge the
headphones up to 3 times.
6.2.2 Check the case battery
level
The LED power indicators are on the
front of the case, they glow according
to the battery level as follows:

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Overview of the LED indications of the charging case.
Charging Case State Charging Case LED Behavior
Battery Level of charging
case 66% - 100% All 3 LEDs solid on for 5s. Then off.
Battery Level of charging
case 33% - 65% LED 1 and LED 2 solid on for 5s. Then off.
Battery Level of charging
case 11% - 32% LED 1 solid on for 5s. Then off.
Battery Level of charging
case 1% - 10% LED 1 keeps repeating fast flashing.
Charging the case
Status LEDs flash according to charging progress:
0% - 32% power: LED 1 flashes
33% - 65% power: LED 1 solid on, LED 2 flashes
66% - 99% power: LED 1 and 2 solid on, LED 3
flashes
Charging Complete All 3 LEDs solid on while charging cable is
connected, then flash 3 times and off.
On connecting charging
cable
LEDs display current battery level for one second
and then repeat charging pattern according to
charging progress.
On disconnecting
charging cable LEDs display current battery level for 5s. Then off.