Operating Elements
L
1
2
3
4
5
6
7
8
1 Red LED: Charging case
2 MicroUSB power input
3 Blue LED: Charging case
4 Earbuds: L (Left) / R (Right)
5 Multifunction button
6 Red/blue LED: Earbud
7 Ear tip
Charging the Batteries
The earbuds provide approximately 5 hours playback time and the charging case can deliver up
to 3 full recharges.
a) Charging Case
• Connect the MicroUSB power input (2) to a suitable USB power supply.
• When the case is charging or the battery levels are low, the red LED (1) will turn on. When the case is
fully charged, the red LED (1) will turn off.
b) Earbuds
When the earbuds are in the charging case, the blue LED (3) will turn on. The blue LED (3) will
turn off when fully charged.
• Put both earbuds into the charging case. It is recommended to close the charging case lid for protection.
• The earbud LED (6)
indicators will flash red during charging.
• When fully charged, the earbud LED (6) indicators will turn blue for approximately 60 seconds then
turn off.
c) Low battery
• When the earbud battery level drops to 20%, the earbud LED (6)
indicators will flash red and a voice
prompt “low battery, please charge” will sound.
• When the battery completely runs out, the earbud LED (6)
indicators will flash blue and a voice prompt
“power off” will sound before the earbuds shut down.
Wearing the Earbuds
Insert each earbud into your ear and rotate to fit. They should feel
secure in your ear. A small size eartip has been included.
Changing Earbud Tips
Change a tip by gently pulling it away, then pushing a new one
in. Make sure it is securely in place before inserting into your ear.
Bluetooth Connection
The earbuds will automatically power off if not connected to a device within 3 minutes.
The earbuds can only be connected to one device at a time.
• On your device, make sure Bluetooth is turned on.
• Remove both earbuds from the case. The earbud LED lights (6) will glow steady blue to indicate that
power is on.
- The earbuds will enter pairing mode when removed from the charging case.
- If the charging case is out of battery, manually turn the earbuds on to begin the pairing process. Refer
to section “Operation a) Power On/Off”.
• Insert both earbuds into your ears.
• Go to the Bluetooth connection list on your device and select
“RF-BTK-150”.
- Both LED lights (6)
will flash blue to indicate the earbuds are connected.
-
A voice prompt “connected” will sound to confirm the connection.
After initial set up and connection the earbuds will automatically connect to your device next time
you turn them on. Bluetooth should be active on your device for automatic connection.
Operating Instructions
Bluetooth In-Ear Headset RF-BTK-150
Item No. 2134125
Intended Use
This product provides true wireless stereo playback and hands-free voice calling via Bluetooth connection.
The included charging case can store up to three earbud recharge cycles, and is rechargeable via USB. The
earbuds are also Google and Siri voice assistant enabled.
The use of the charging case is only permitted in dry locations. The earbuds can be used outdoors but
must not get damp or wet.
For safety and approval purposes, you must not rebuild and/or modify this product. If you use the product
for purposes other than those described above, the product may be damaged. In addition, improper use can
result in other hazards. Read the instructions carefully and store them in a safe place. Make this product
available to third parties only together with its operating instructions.
This product complies with the statutory national and European requirements. All company names and
product names are trademarks of their respective owners. All rights reserved.
Delivery Content
• Earbuds
• Charging case
• USB charging cable
• Spare earbud tips (small size)
• Operating instructions
Up-to-date Operating Instructions
Download the latest operating instructions at www.conrad.com/downloads or scan the
QR code shown. Follow the instructions on the website.
Explanation of Symbols
The symbol with the exclamation mark in the triangle is used to indicate important information in
these operating instructions. Always read this information carefully.
The arrow symbol indicates special information and advice on operation.
To prevent possible hearing damage, do not listen to high volume levels for long periods.
Safety Instructions
Read the operating instructions
carefully and especially observe
the safety information. If you do not
follow the safety instructions and
information on proper handling in
this manual, we assume no liability
for any resulting personal injury or
damage to property. Such cases will
invalidate the warranty/guarantee.
a) General Information
• The device is not a toy. Keep it out of the reach
of children and pets.
• Do not leave packaging material lying around
carelessly. This may become dangerous playing
material for children.
• Protect the appliance from extreme
temperatures, direct sunlight, strong jolts, high
humidity, moisture, steam and solvents.
• Do not place the product under any mechanical
stress.
• If it is no longer possible to operate the product
safely, take it out of operation and protect it from
any accidental use. Safe operation can no longer
be guaranteed if the product:
- is visibly damaged,
- is no longer working properly,
- has been stored for extended periods in poor
ambient conditions or
- has been subjected to any serious transport-
related stresses.
• Please handle the product carefully. Jolts,
impacts or a fall even from a low height can
damage the product.
• Consult an expert when in doubt about the
operation, safety or connection of the appliance.
•
Maintenance, modifications and repairs must
only be completed by a technician or an
authorised repair centre.
• If you have questions which remain unanswered
by these operating instructions, contact our
technical support service or other technical
personnel.
b) Earbuds
• Do not use the product when driving a vehicle,
operating machinery or performing any other
potentially dangerous activity. You may not hear
warning signals and, as a result, be exposed to
hazards.
• If you use the product when playing sports or as
a pedestrian, adjust the volume so that you can
still hear environmental noises.
• Do not listen to music at an excessive volume
for prolonged periods. This may damage your
hearing.
c) LiPo Battery
• The rechargeable battery is permanently built
into the product and cannot be replaced.
• Never damage the rechargeable battery.
Damaging the casing of the rechargeable
battery might cause an explosion or a fire! Unlike
conventional batteries/rechargeable batteries
(e.g. AA or AAA type), the casing of the LiPo
rechargeable battery does not consist of a thin
sheet but rather a sensitive plastic film only.
• Never short-circuit the contacts of the
rechargeable battery. Do not throw the battery
or the product into fire. There is a danger of fire
and explosion!
• Charge the rechargeable battery regularly, even
if you do are not using the product. Due to the
rechargeable battery technology being used,
you do not need to discharge the rechargeable
battery first.
• Never charge the rechargeable battery of the
product unattended.
• When charging, place the product on a surface
that is not heat-sensitive. It is normal that a
certain amount of heat is generated during
charging.
