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Operation
a) Power On/Off
Automatic
•
Place the earbuds in the charging case to turn them off.
•
Remove the earbuds from the charging case to turn them on.
The earbuds will charge with the case cover open, but to protect the earbuds from damage, it is
recommended to close the cover.
Manually
The earbuds should first be removed from the case.
•
Power on: Press and hold multifunction button (5) on both earbuds for approximately 3 seconds.
- Both LED lights (6) will flash blue then go off.
- A voice prompt "power on" will sound through the earbuds.
•
Power off: Press and hold multifunction button (5) on both earbuds for approximately 5 seconds.
- Both LED lights (6) will flash red then go off.
- A voice prompt "power off" will sound through the earbuds.
b) Calls and Music
Calls
•
Answering incoming call: Press the left or right multifunction button (5).
You can remove the right earbud from your ear and place it closer to your mouth for better voice
quality. The left earbud will stay on so you can listen to the caller, only the right microphone will
be active.
•
End call: Press the left or right multifunction button (5).
Reject incoming call: double press the left or right multifunction button (5).
•
•
Cancel dialling call: Press the left or right multifunction button (5).
•
Switch Function: Double press the left or right multifunction button (5) to switch between the phone
receiver and earbuds during a call.
Music
•
Play/pause: Press the left or right multifunction button (5).
You can listen to music with both earbuds, or just the right earbud in your ear.
Next song: Double press the left multifunction button (5).
•
•
Previous song: Double press the right multifunction button (5).
c) Voice Assistant
Depending on what device your earbuds are connected to, you can access Google or Siri voice assistant.
To connect with an assistant, long press the left or right multifunction button (5) until you hear a beep sound.
Voice assistance should first be enabled on your connected device. Refer to the device
operating instructions for details about how to do this.
d) Resetting Earbuds
Resetting the earbuds restores to factory default settings, you will then need to reconnect to your Bluetooth
device. This is suggested when the left and right earbuds cannot connect to each other or the Bluetooth
device. See section "a) Bluetooth Connection" and "Troubleshooting".
•
Manually turn the earbuds off.
•
Press and hold the both multifunction button (5) for approximately 10 seconds until both LED lights (6)
flash red/blue then go off.
•
The earbuds will be reset to factory defaults.
Troubleshooting
Problem
Cause
Earbuds do not
respond to button
The batteries are flat.
presses.
The volume is set to
the minimum.
The device is no
longer paired.
No sound.
The Bluetooth range
has been exceeded.
Other devices are
interfering with radio
transmission.
Device Bluetooth not
turned on
Cannot connect to
Device already
device.
connected to another
device.
Cannot connect to
device/earbuds not
connected to each
other.
Suggestion
Charge the batteries.
Increase the volume.
Repeat the pairing process.
Bring the earbuds and Bluetooth device closer.
Move away from other wireless devices that may
cause interference (e.g. electric motors, fluorescent
lamps and microwaves).
Activate
Bluetooth
on your device.
The earbuds can only connect to one device at a
time. If there is another connected device in range,
you will need to disconnect the earbuds from that
device.
Remove the earbuds "RF-BTK-150" from your
Bluetooth connection list, reset the earbuds, then
reconnect them. See section "d) Resetting Earbuds",
"Bluetooth Connection" .
Care and Cleaning
•
Disconnect the product from the power supply before each cleaning.
•
Do not use any aggressive cleaning agents, rubbing alcohol or other chemical solutions as they can
cause damage to the housing and malfunctioning.
•
Clean the product with a dry, fibre-free cloth.
Declaration of Conformity (DOC)
Conrad Electronic SE, Klaus-Conrad-Straße 1, D-92240 Hirschau hereby declares that this product
conforms to the 2014/53/EU directive.
Click on the following link to read the full text of the EU declaration of conformity:
www.conrad.com/downloads
Select a language by clicking on a flag symbol and enter the product order number in the search
box. You can then download the EU declaration of conformity in PDF format.
Disposal
Electronic devices are recyclable waste and must not be disposed of in the household waste.
At the end of its service life, dispose of the product in accordance with applicable regulatory
guidelines. You thus fulfill your statutory obligations and contribute to the protection of the
environment.
Technical Data
a) Charging Case
Input voltage / current ........................... 5 V/DC, via microUSB
Rechargeable battery ........................... LiPo, 3.7 V
Battery capacity .................................... 350 mAh
Charging time ....................................... 2.5 h
Dimensions (L x W x H) ........................ 94 x 37 x 30 mm
Weight .................................................. 38 g
b) Earbud
Rechargeable battery ........................... LiPo, 3.7 V
Battery capacity .................................... 50 mAh
Charging time ....................................... 2.5 h
Frequency response ............................. 20 Hz - 20 kHz
Speak Impedance ................................. 32 Ω
Driver diameter ..................................... Φ 8 mm
Sound pressure .................................... max. 93 dB
Playback or talk time ............................ approx. 5 hrs
Simultaneous connections .................... 1
Bluetooth .............................................. Earbud name: RF-BTK-150
Version: 5.0
Profile: BC, AAC
RF frequency ........................................ 2.402 - 2.480 GHz
Transmission power.............................. -4 to +6 dB
Transmission range .............................. max. 15 m
Earbud tip sizes .................................... Small, Large
Microphone ........................................... Impedance: 1 kHz, 400 Ω
Frequency response: 100 Hz - 10 kHz
THD: <1 %
Type: condenser
Dimensions (L x W x H) ........................ 28 x 18 x 22 mm
Weight .................................................. 4.5 g (each)
c) General
Charging cable ..................................... USB type A male to micro B
Cable length ......................................... approx. 220 mm
Operating conditions ............................. 0 to +55 °C, 20 – 90 % RH (non-condensing)
Storage conditions ................................ -20 to +65 °C, 20 - 90 % RH (non-condensing)
This is a publication by Conrad Electronic SE, Klaus-Conrad-Str. 1, D-92240 Hirschau (www.conrad.com). All rights
including translation reserved. Reproduction by any method, e.g. photocopy, microfilming, or the capture in electronic data
processing systems require the prior written approval by the editor. Reprinting, also in part, is prohibited. This publication
represent the technical status at the time of printing.
Copyright 2019 by Conrad Electronic SE.
*2134125_v4_0919_02_dh_m_en
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