Operation
During operation, messages are made in English in addition to the signals provided
by the LED indicators (6). This makes operation easier since the LED indicators (6)
are not always visible when wearing the headset.
a) Switching on/off
• The headset is switched on or off with the POWER (8) switch.
• The LED indicator (6) will flash.
b) Pairing
Both devices must be coupled with each other before transmission between your Bluetooth
device and the headset can take place. This process is called „pairing".
If there is already a connection to a Bluetooth
tored as soon as both devices are within range and switched on. To enable this
automatic reconnection, this function may need to be activated on the Bluetooth
device (please inform yourself on this point in the instructions for your Bluetooth
device).
• If the headset is not paired with a Bluetooth
red and blue after start-up. The headset will be in pairing mode for 150 seconds.
• Turn on your Bluetooth
device with which the headset is to be connected, and activate
®
pairing mode here (for more information, see the instruction manual of the corresponding
device). Now the device searches for Bluetooth
• When the headset is found, your Bluetooth
• Select the headset in your Bluetooth
• A code (0000) might have to be entered during pairing.
• After successful pairing, the LED display (6) flashes blue once every five seconds.
Pairing must take place within 150 seconds of power-up, otherwise the headset will
go into standby mode. To reactivate pairing mode, turn the headset off and then on
again.
If out of range, you will hear a message and the headset will attempt to reconnect. If
a connection cannot be established, the headset will automatically switch off.
Multipoint function
• Pair the headset with the first Bluetooth
• Then turn off the Bluetooth
function on the first Bluetooth
®
• Pair the headset with the second Bluetooth
bed under "Pairing".
• After pairing with the second Bluetooth
first Bluetooth
device.
®
• When auto-connect is enabled on the first Bluetooth
the headset.
• If auto-connect on the first Bluetooth
(please refer to the instructions for your Bluetooth
• Headset and both Bluetooth
devices are now paired.
®
c) General operation
Function
Operation
Switching on/off
Activate the POWER (8) switch
Pairing
Automatically within 150 seconds of power-up
Changing the language
In standby mode, press and hold the call button (5) and VOL+
for messages
(1)
Increases the volume
Press VOL+ (1) briefly; at max. volume you will hear a mes-
sage.
Decreases the volume
Press VOL- (2) briefly; at min. volume you will hear a message.
d) Use as a hands-free system
Function
Operation
Accept a call
Press the call key (5) briefly.
Reject a call
Press and hold the call key (5).
End a call
Press the call key (5) briefly.
Redial
Press and hold the call key (5).
Toggle
Press and hold the call key (5) when a second call is incoming
to put the first call on hold and answer the second call.
Press and hold the call key (5) again to toggle between the
two calls.
Switching between head-
Press the call key (5) 2x briefly.
set and Bluetooth
device
®
during a call.
device, it will be automatically res-
®
device, the LED indicator (6) will flash alternately
®
devices in the reception range.
®
device displays its name (TWNT-R552).
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device.
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device as described above.
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device.
®
device as described above. Proceed as descri-
®
device, turn on again the Bluetooth
®
device, it will automatically connect to
®
device is not active, connect it manually to the headset
®
device).
®
e) Music playback
Function
Pause playback
Resume playback
Skip to next track
Skip to previous track
Care and cleaning
®
Do not use abrasive cleaning agents, cleaning alcohol or other chemical solutions
since these could damage the housing or even impair operation.
Use a dry, lint-free cloth to clean the headset.
®
Troubleshooting
®
The headphones do not respond to button commands, stop playback automatically, or
cannot be turned on
• The battery is discharged, please recharge completely.
No sound
• The volume on the Bluetooth
• The Bluetooth
• The operating range (max. 10 m) was exceeded.
In the sound playback there are dropouts
• The operating range (max. 10 m) was exceeded.
• Other devices nearby are interfering with the radio transmission. Increase the distance to
radio-controlled devices or devices that have a high level of interference (strong electric
motors, fluorescent lamps, microwaves, etc.).
Disposal
Electronic devices are recyclable material and do not belong in the household was-
te. Dispose of an unserviceable product in accordance with the relevant statutory
regulations.
The built-in rechargeable battery cannot be removed and must therefore be dispo-
sed along with the device.
Technical data
function on the
®
Charging units ....................... 5 V/DC / 500 mA (USB)
Rechargeable battery ............ Lithium battery, 3.7 V/100 mAh
Operating time ....................... approx. 5/6/160 h (music playback/handsfree mode/standby)
Charging time ........................ approx. 2 hours
Transmission frequency......... 2.4 GHz
Transmission power............... 0 dBm
Range .................................... approx. 10 m
Bluetooth
version ................. 4.1
®
Pairing devices ...................... 2
Bluetooth
profiles ................. A2DP / AVRCP / HSP / HFP / Voice Reminder / DSP /
®
Weight ................................... 9 g
Dimensions ............................ 59 x 16 x 22 mm
Working conditions ................ -10 °C bis +45 °C / 10-85% rH
Storage conditions ................. -10 °C bis +45 °C / 10-90% rH
Declaration of conformity (DOC)
We, Conrad Electronic SE, Klaus-Conrad-Straße 1, D-92240 Hirschau, hereby declare that this
product conforms to the 2014/53/EU directive.
The full text of the EU declaration of conformity is available at the following Internet
address: www.conrad.com/downloads.
Select the language by clicking a flag symbol and enter the order number of the
product in the search field; then you will be able to download the EU declaration of
conformity in PDF format.
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 2017 by Conrad Electronic SE.
Operation
Press the call key (5) briefly.
Press the call key (5) briefly.
Press and hold VOL+ button (1).
Press and hold VOL- button (2).
device is set to minimum.
®
pairing is no longer available; repeat the pairing process.
®
Advanced Multipoint / iOS Battery Display Monitor
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