Idiomas disponibles
Idiomas disponibles
Bluetooth Headset
With MP3 Player
• This product is NOT a toy; keep it away from children.
• Adjust the volume to a level that allows you to hear important external
sounds.
• Do Not place heavy objects over the headhones.
"The operation of this equipment is subject to the following two conditions: (1) it is
possible that this equipment or device may not cause harmful interference and (2)
this equipment or device must accept any interference, including interference that
may cause its undesired operation ".
PARTS
Mode
button
Multifunction
button
Forward
Volume +
On
Off
Indicator LED
MUSIC PLAYBACK
Press
once
Press
/V+
once
Press
/V-
once
Press and hold
/V+
Press and hold
/V-
Before to use the product, please read carefully this manual to avoid any malfunction. The info in this manual is
shown as reference. Due to updates can exist differences. Consult our website www.stern.com to obtain the most
actual version of this manual.
Micro SD card slot
Backward/Volume -
Micro USB
connector
Microphone
3.5 mm input
HANDSFREE
Press
once = Answer / Hang up
Press and hold
= Reject call
Press
twice = Redial
The compatibility of the hands free and playback music
functions depends of the model and OS of your
mobile device
BATTERY CHARGE
Before first use, charge the battery for 3
continuous hours.
During the charge the LED remains lights on
in red color and will off when the battery is
fully charged
Option 1
Option 2
BLUETOOTH MODE
1. Press
for a few seconds to turn on the headphones.
The LED will flash in red and blue.
2. Activate the bluetooth in your mobile device and select:
"STEREN AUD-781".
If the pairing is successful, you will hear a tone and the LED
will remain flashing in blue.
3. Start the audio playback from your mobile device.
MICRO SD MODE
1. Press
to turn on
the headphones.
2. Insert a micro SD
card with MP3 audio
files into the
corresponding
input.
The playback will
start automatica-
lly
Press
MP3
to
change mode
(Bluetooth/micro SD)
USING WITH AUXILIARY CABLE
Insert a 3.5 mm cable into the
corresponding input
SPECIFICATIONS
Input: 5 V - - - 500 mA (x USB)
Battery Capacity: 120 mAh 3.7 V - - -
Audio:
Frequency Response: 20 Hz - 20 kHz
Speaker Sensitivity: 115 dB +/- 3 dB
Impedance: 32 Ohms
Unit: 40 mm
Power: 40 mW
Microphone:
Frequency Response: 50 Hz - 16 kHz
Sensitivity: -58 +/- 3 dB
Specifications may change
without notice
AC adapter and micro USB cable
are not included
MP3
/V+
/V-
and the other end connect it into
an audio device.
