Silvercrest STSK 2 D4 User manual

IAN 351364_2007
TRUE WIRELESS BLUETOOTH®
IN-EAR HEADPHONES
Operation and safety notes
ÉCOUTEURS INTRA-AURICULAIRES TRUE
WIRELESS BLUETOOTH®
Instructions d‘utilisation et consignes de sécurité
TRUE WIRELESS BLUETOOTH®
IN-EAR OORDOPJES
Bedienings- en veiligheidsinstructies
TRUE WIRELESS BLUETOOTH®-
IN-EAR-KOPFHÖRER
Bedienungs- und Sicherheitshinweise
TRUE WIRELESS BLUETOOTH®
IN-EAR HEADPHONES STSK 2 D4

GB/IE/NI Page 5
FR/BE Page 61
NL/BE Pagina 120
DE/AT/CH Seite 178

A1
8
9
11
14
10
2
7
5
4
3
12
6
13

B

5GB/IE/NI
Warning remarks and
symbols used............... Page 7
Introduction ................ Page 10
Intended use ............... Page 11
Trademark notices.......... Page 12
Scope of delivery ........... Page 13
You will need............... Page 14
Description of parts......... Page 14
Technical data .............. Page 15
Safety...................... Page 19
Safety instructions for built-in
rechargeable batteries ........ Page 29
Prior to first use ............ Page 30
Charging the charging/
storage box battery........... Page 30
Charging the headphones...... Page 33
Operation .................. Page 34
Charging/storage box ........ Page 34

6 GB/IE/NI
Headphones................ Page 35
Turning on the headphones..... Page 35
Turning off the headphones..... Page 36
Manually turning off the
headphones................. Page 37
LED status .................. Page 38
Pairing the headphones to
each other .................. Page 39
Pairing the headphones with a
Bluetooth device ............. Page 40
Reset ...................... Page 41
Headset for phone calls /
Playback control ............. Page 43
Voice control function with
Siri / Google Assistant ........ Page 46
Cleaning and maintenance .. Page 48
Storage during periods of non-use Page 48
Troubleshooting ............ Page 49
Disposal.................... Page 54
Simplified EU declaration
of conformity............... Page 56
Warranty .................. Page 57

7GB/IE/NI
Warning remarks and symbols used
The following warnings are used in
this manual:
DANGER! This symbol with the
signal word “Danger” indicates
a hazard with a high level of risk
which, if not avoided, will result in
serious injury or death.
WARNING! This symbol with the
signal word “Warning” indicates a
hazard with a medium level of risk
which, if not avoided, could result in
serious injury or death.
CAUTION! This symbol with the
signal word “Caution” indicates
a hazard with a low level of risk
which, if not avoided, could result in
minor or moderate injury.

8 GB/IE/NI
ATTENTION! This symbol with the
signal word “Attention” indicates a
potential property damage.
NOTE: This symbol with the signal
word “Note” provides additional
useful information.
WARNING! EXPLOSION
HAZARD! A warning with this
symbol and word “WARNING!
EXPLOSION HAZARD” indicates
the potential threat of explosion.
Failure to observe this warning may
result in serious or fatal injuries and
potential property damage.
Follow the instructions in this
warning to prevent serious
injuries, a danger to life or
property damage!

9GB/IE/NI
This symbol reminds the user to
wear suitable protective hand wear!
Follow this warning to prevent hand
injury by objects or contact with hot
or chemical materials!
A warning with this symbol notifies
the user of possible hearing
damage. Avoid listening at
excessive volumes for prolonged
periods.
Direct current / voltage
“Qi“ and the Qi logo mark are
trademarks of the Wireless Power
Consortium (WPC).
The charging box built with Qi
wireless charging technology.You
can charge up the charging box via
Qi wireless technology.
This symbol means that the
operating instructions must be read
prior to using the product.

10 GB/IE/NI
TRUE WIRELESS BLUETOOTH®
IN-EAR HEADPHONES
Introduction
We congratulate you on the purchase of your
new product. You have chosen a high quality
product. The instructions for use are part of the
product. They contain important information
concerning safety, use and disposal. Before
using the product, please familiarise yourself
with all of the safety information and
instructions for use. Only use the product as
described and for the specified applications.
If you pass the product on to anyone else,
please ensure that you also pass on all the
documentation with it.

11GB/IE/NI
Intended use
These headphones are a consumer electronics
device. The headphones are intended for
playback of audio material via a Bluetooth®
connection. If the headphones are connected
to a smartphone, the headphones can also be
used as a headset.
The charging and storage box is intended
solely for charging and storing the
headphones.
The product is intended for private use only.
Any other use beyond what is specified is not
intended. Do not use the product for industrial
or commercial purposes.

12 GB/IE/NI
Any claims for damages resulting from
unintended use, improper repairs, unauthorized
modifications or the use of unapproved
replacement parts are excluded. The user
carries the sole risk.
Trademark notices
USB®is a registered trademark of
USB Implementers Forum, Inc.
The Bluetooth®word mark and logos are
registered trademarks owned by Bluetooth
SIG, Inc. and any use of such marks by
OWIM GmbH & Co. KG is under license.
“Qi“ and the Qi logo mark are trademarks
of the Wireless Power Consortium (WPC).
The SilverCrest trademark and trade name
is the property of their respective owners.

13GB/IE/NI
Any other names and products may be
trademarks or registered trademarks of their
respective owners.
Scope of delivery
After unpacking the product, check if the
delivery is complete and if all parts are in good
condition. Remove all packaging materials
before use.
If you notice any damage or missing parts,
please contact the dealer from whim you have
purchased this product.
2x Headphones (1 x left and 1 x right)
1x Charging/storage box
1x USB cable (type A to type C)
1x Quick start guide
1x Instruction manual

14 GB/IE/NI
You will need
USB voltage source (output voltage
5 V, min. 500 mA output current) or a
Qienabled charger with an output power
of at least 2.5 W
Bluetooth®-capable playback device
Description of parts
Before reading, unfold the page containing
the illustration and familiar yourself with all
functions of the product.
[1] Headphones (1 x left and 1 x right)
[2] Charging contact pins
[3] Microphone
[4] Multifunction button (MF button)
[5] LED

15GB/IE/NI
[6] Charging/storage box
[7] Charging ports
[8] Charging status indicator
[9] On button (for activating the built-in
battery’s charging status indicator)
[] USB-C charging port
[] USB cable
[] Qi reception area
[] Instruction manual
[] Quick start guide
Technical data
Charging/storage box
USB-C input voltage USB 5 V
USB-C input current 500 mA
Qi wireless input voltage 5 V

16 GB/IE/NI
Wireless charging power 2.5 W
Wireless charging
distance to the Qi
charger ≤ 5 mm
Frequency band 112.18‒146.15 kHz
Transmitted maximum
radio frequency power
(H-field)
–13.9 dBµA/m at
10 m distance
Rechargeable battery Li-ion polymer, 3.7 V,
550 mAh, 2.0 Wh
Charging capacity up to 5 complete
charge cycles for
fully discharged
headphones
Charging time of the
charging/storage boxes’
built-in battery
approx. 3 hours
(complete charging
cycle)

17GB/IE/NI
Headphones
Wireless standard Bluetooth®5.0
Supported profile A2DP, AVRCP, HSP, HFP
Frequency band 2402 to 2480 MHz
Max. transmitted
power < 20 mW
Range approx. 10 m
Rechargeable
battery
Li-ion polymer, 3.7 V,
40 mAh, 0.15 Wh
Charging time approx. 1.5 hours
(complete charging cycle)
Operating time
(music & phone)
approx. 3 hours
(at medium volume)
Protection class:
Headphones
Charging box
IPX4
IPX0
Operating
temperature +10 to +35 °C
Humidity
(no condensation)
10 to 70 % relative
humidity

18 GB/IE/NI
Storage
temperature 0 to +40 °C
Dimensions approx. 40 x 17 x 18 mm
(headphones)
approx. 53 x 52 x 28 mm
(charging box)
Weight approx. 10 g
(both headphones)
approx. 39 g
(charging box)
Notes on Qi technology:
This product with wireless Qi charging
technology is designed to comply with the Qi
(Wireless Power Consortium) standard, but no
guarantees are given for its compatibility with
all products that comply with the standard.
The specification and design may be changed
without notification.

19GB/IE/NI
Safety
Before using the product, familiarise
yourself with all of the safety information
and instructions for use! When passing this
product on to others, also include all the
documents!
In the case of damage resulting from non-
compliance with these operating instructions
the guarantee claim becomes invalid! No
liability is accepted for consequential damage!
In the case of material damage or personal
injury caused by incorrect handling or non-
compliance with the safety instructions, no
liability is accepted!

20 GB/IE/NI
Children and persons with disabilities
m WARNING! DANGER TO LIFE AND
RISK OF ACCIDENT FOR INFANTS
AND CHILDREN!
m DANGER! Risk of suffocation! Never
leave children unsupervised with the
product, its accessories and the packaging
materials.
The packaging materials pose a
suffocation hazard. Children frequently
underestimate the dangers. The packaging
materials are not toys.