Silvercrest SBKO 4.0 D1 Quick guide

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Table of Contents
Important Safety Instructions ...................... 3
Safety.......................................................... 7
Trademarks............................................... 14
Intended use.............................................. 14
Items included ........................................... 15
Technical data............................................ 16
Operating environment............................. 17
Copyright .................................................. 17
Overview of the controls and button
functions.................................................... 18
Before using .............................................. 19
Charging the battery .................................................19
First use ..................................................... 20
Powering the headphones on/off ............................20
Connecting the headphones.....................................20
Using the headphones...............................................21
Replacing the ear pads / ear tips ............................23
Playing music..............................................................24
Making calls...............................................................25
Cleaning .................................................... 27
Troubleshooting ........................................ 29
Notes on non-use....................................... 29
Environmental information and disposal
specifications............................................. 30
FCC hints .................................................... 31
Warranty .................................................. 32

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Congratulations!
By purchasing the SilverCrest SBKO 4.0 D1 Bluetooth®
headphones, referred to as the headphones in the
following text, you have chosen a high-quality product.
Before you start using the headphones, get familiar with
them and read this user manual carefully. Primarily pay
attention to the safety instructions and utilize the
headphones only as described in this user manual and
for the specified purposes.
Keep this user manual for later reference. If you give the
headphones to someone else, also give them all the
documents.
Important Safety Instructions
Read the instruction manual
in its entirety before starting
the device.
Keep the device away from
children.
Do not use the device if damaged.
Only use the device according the
instructions contained in this
manual.

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Do not use in tropical regions.
Keep the instruction manual
in a safe place.
Safety Alert Symbol
This is the safety alert symbol. It is
used to alert you to risk of personal
injury. Observe all safety notices that
follow this symbol to avoid possible
injury or death.
Safety alert symbol

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Meaning of signal words
WARNING indicates a risk or
hazard that, if not avoided, could
result in death or serious injury.
CAUTION indicates a risk or hazard
that, if not avoided, could result in
minor or moderate injury.
NOTICE indicates a situation which
could lead to damage to property.
Take care when using
headphones. Listening for a
long time at high volume
could damage your
hearing. Before you use the
headphones, set the volume
to minimum.

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This symbol indicates other
important information on
the topic.
Terminology
As used in this instruction manual in
general and with regard to safety
information, safety notices, and
warnings in particular, the following
words have the following means:
May: This word is understood to be
permissive.
Shall: This word is understood to be
mandatory.
Should: This word is understood to
be advisory.

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Safety
IMPORTANT SAFETY
PRECAUTIONS
Always observe the following
safety precautions:
Risk of explosion!
Do not throw the device into fire.
Children and people with
disabilities
Keep the device away from
children under the age of eight and
people with restricted physical,
mental, or sensory abilities.
Keep children away from the
device. Risk of small parts being

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swallowed, resulting in the risk of
serious injury or death.
Keep the plastic bags away from
children. Risk of suffocation!
The device and packaging material
are not toys and should be kept
away from children.
Wireless interface
Switch the device off if you are on
a plane, in a hospital, operating
room, or in the vicinity of a medical
electronic system.
The radio waves transmitted can
damage the functioning of sensitive
devices.
Keep the device at least 8 in. away
from a pacemaker or an implanted
defibrillator.

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When wireless components are
switched on, do not place the
device in the vicinity of flammable
gases or in a potentially explosive
environment (for example, paint
shop). Risk of explosion or fire.
Risk coming from too high a
volume
Take care when using
headphones. Listening for
a long time at high
volume could damage
your hearing.
Do not use your headphones with
the volume set too high. You could
damage your hearing and disturb
the people around you. At a
maximum, set the volume so that you

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can still hear ambient noises. Keep in
mind that you could perceive
ambient noise in a different and
unusual way.
Do not use the device in dangerous
situations, for example, when in
traffic, working with machines or
other situations that require your
complete attention. The sound could
distract you or cause you to miss
what is happening around you.
Obey the regulations and laws of the
country of use.
Cables
Always lay the cables plugged into
the device in such a way that
nobody can stand or trip on them.
Risk of injury!

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Maintenance
If the device is damaged, send or
bring it in for repairs by an
authorized technician.
If the device is not working
properly or has been dropped, it
must be repaired.
If you notice any smoke, unusual
noises or smells, immediately switch
off the device and unplug any
cables that may be connected to
the device.
Do not use the device if defective
until it has been checked by a
technician.
All repair work should only be
carried out by qualified technicians.

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Cleaning
Clean the device using a clean, dry
cloth only.
Do not use corrosive liquids.
Never open the housing of the
device, as this will void your
guarantee.
Please note the following:
Protect the device from intense heat
or artificial light, sunlight and open
fire.
Do not expose the device to shock,
vibration, or force.
Never pull on the cable. Always
use the plug when removing the
cable. Do not bend the cable or

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allow it to come into contact with
heat or sharp surfaces.
Do not place foreign objects into
openings on the device.
Do not place the device close to
magnetic fields (for example, other
speakers).
Do not expose the device to major
temperature fluctuations. If this
occurs, wait for approximately two
hours to start the device.
The radio waves transmitted can
cause static noise in hearing aids.
The range of the Bluetooth®
connection depends on the
environmental and ambient
conditions.
It is also possible for unauthorized
third parties to receive this data via
Bluetooth® connections.

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Trademarks
The Bluetooth®word mark and logos are registered
trademarks owned by Bluetooth SIG, Inc. and any use
of such marks by TARGA GmbH is under license. Other
trademarks and the trade names are those of their
respective owners.
Freebit®is a registered trademark of Freebit AS.
USB is a registered trademark.
Other names and products can be the trademarks or
registered trademarks of the corresponding owners.
Intended use
These headphones are an information technology
device and are used to reproduce music at a suitable
volume. In addition, the headphones can be used as a
headset. The headphones are intended only for private
use, not for industrial or commercial purposes. The
headphones should not be used in tropical climates.
Only use the headphones as described in this user
manual. The manufacturer denies any and all liability
from damage or malfunctions resulting from
unauthorized modifications to the headphones. Use
only accessories specified by the manufacturer. Obey
the regulations and laws of the country of use.

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Items included
Take the headphones and accessories from the
packaging and completely remove all packaging
materials. Make sure that you have received all items.
Report any missing or defective parts immediately to the
Service department.
A SilverCrest SBKO 4.0 D1 Bluetooth®
headphones
B Ear tip – medium, mounted (Freebit®)
C Ear pad – medium, mounted
D USB charging cable
E Ear tip – small (Freebit®)
F Ear tip – large (Freebit®)
G Ear pad – small
H Ear pad – large
I This user manual (symbolic representation)

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Technical data
Input voltage 5 V
Battery capacity 90 mAh
Bluetooth
®
specification v4.0 + EDR
Profile support A2DP, AVRCP, HSP, HFP
Headphones frequency
range
(when playing music)
20 Hz – 20,000 Hz
Frequency band 2.402 - 2.480 GHz
Transmission power < 3 dBm
Range, Bluetooth
®
operation
33 ft. / 10 m
(Class II)
Charging time About 1.5 hours
Music playback time About 7 hours *
Talk time About 4.5 hours *
Dimensions
(W x H x D)
Approx. 1.4 x 1.2 x 1 in.
(36 x 30 x 26 mm)
Weight Approx. 0.53 oz (15 g)
Operating temperature 32 °F to 95 °F
(0 °C to +35 °C)
Storage temperature 14 °F to 113 °F
(-10 °C to +45 °C)
Humidity
Max. 85% relative humidity
(non-condensing)
* At medium volume
Technical data and design subject to change without
notice.

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Operating environment
The headphones are not designed to operate in rooms
with a high temperature or humidity (for example,
bathrooms) or those with a large amount of dust.
Operating temperature and humidity: 32 °F to 95 °F
(0 °C to 35 °C), max. 85% relative humidity
Copyright
All contents of this user manual are copyrighted and
are provided to the reader as an information source
only. Copying or duplicating data and information is
prohibited without the express written permission of the
author. This also applies to the commercial exploitation
of the contents and data. The text and figures are up to
date at the time of printing.

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Overview of the controls and
button functions
A figure showing the controls with the reference
numbers used can be found in the fold-out inside page
of this user manual. You can leave this page folded out
while you read the other sections of the user manual.
This gives you an immediate reference to the control
you are viewing.
1 Ear buds (including ear pads)
2 Ear tip*
3 Connecting cable
4 + button
5 Multifunction button
6 - button
7 LED (in the - button)
8 Micro-USB charging connection (including cover)
9 Microphone
* The Freebit®ear tips provide a secure and
comfortable fit.