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Before using your new Steren´s product, please read this instruction
manual to prevent any damage.
I M P O R T A N T
The instructions of this manual are for reference about the product. There may
be differences due to updates.
Please check our web site (www.steren.com.mx) to obtain the latest version of
the instruction manual.
C A U T I O N S
• Do not attempt to open the device, it may cause malfunction and will be void the warranty.
• Do not expose the device to extreme temperatures.
• Do not expose the device or accessories to dust, smoke or steam.
• Do not use or store this device in wet or damp places.
• Always use a soft, dry cloth to clean the equipment.
H I G H L I G H T S
The portable speaker has MP3 player and FM radio function to listen to your favourite music
everywhere.
MP3 and WMA fi les can be played directly from USB fl ash memories or micro SD cards, or even
using the 3.5mm auxiliary connector.
It features stereo output to connect an amplifi er or audio device, or even just an earphone. Rechar-
geable battery is included in the package. The luminous display shows basic player functions. It is
manufactured in black plastic.
• 60 Wpmpo
• Luminous display
• MP3 and FM player
• Rechargeable battery
• USB and y micro SD (32 GB max.) supported
C O N T R O L S
1. Turn on / off
2. Mode selector (TF card, USB memory or auxiliary)
3. Previous track / volume down
4. Play / pause
5. Next track / volume up
6. Battery compartment
7. Auxiliary audio input
8. Audio output (headphone)
9. Charge indicator: shuts off when charging is completed.
10. USB / TF port for storage devices.
11. 5V USB power input
H O W T O U S E
-Place the battery
Press the battery compartment tab lid and pull straight up. Insert the
supplied battery, paying attention to polarity. Finally, replace the
compartment cover.
You can use the speaker without the battery, if and when you plugged
into a computer using the USB cable.
-Battery charge
Plug the power cord into a computer to charge the BOC-840. During the
charging proces the indicator will remain lit and will turned off when the
battery is charged.
-Play music (TF/USB port)
Press the
sert an USB device or insert a TF card with MP3 fi les into the
corresponding port. Playback will start automatically.
Press the
desired track.
Hold the VOL– (volume down) or VOL + (volume up) buttons to
control the volume level.
Remember that you can only use one slot at the same time.
-Auxiliary mode
Connect an external audio device (ipod/iphone, laptops, cell
phones, etc.) via the AUX connector, start playback of sound
fi les and press the MODE button until select this mode and
listen to the audio.
Hold the VOL– (volume down) or VOL + (volume up) buttons to
control the volume level.
Note that mode auxiliary buttons
/
only serve to control the
volume level.
-Using of headphones
Before using this mode make sure the audio volume level is the
minimum, then you can adjust the desired sound level. Loud
sounds produced by the unit may cause ear damage.
While listening to audio in the speaker, insert the plug 3.5 mm of
your headphones in the jack.
To turn off the speaker, simply press and hold the
-Setting clock
Once the speaker is turned on, press and hold MODE until
the hour fl ashes. Use the VOL- or VOL + buttons to adjust and
press MODE once to adjust minutes.
-Radio FM mode
Press the MODE button to select this mode.
If you want to fi nd and program stations, press and hold the play
button to begin this process. When fi nished, use the forward /
return to go to the station presets.
Hold the VOL–or VOL + buttons to control the volume level.
When making the search only the FM stations with best signal will be stored.
S P E C I F I C A T I O N S
Input:
5 V- - - 500 mA max. (through USB)
Power output:
3 W x 2
Impedance:
4 ohms
Frequency response:
90 Hz –20 KHz
Sensitivity:
600mv @ 1 kHz
Transfer rate:
up to 320 kbps
Operational temperature: -5°C – 40°C
Battery (li-ion):
3.7 V- - - 1050 mAh
Consumption:
60 Wh/day
Stand-by power consumption: not applicable
Product design and specifi cations are subject to change without notice.
Product: Portable MP3 USB speaker
Part number: BOC-840
Brand: Steren
This Steren product is warranted under normal usage against defects in workmanship and materials to the original purchaser for one year from
the date of purchase.
1. This warranty card with all the required information, invoice or purchase ticket, product box or package, and product, must be presented when
warranty service is required.
2. If the product is in the warranty time, the company will repair it free of charge.
3. The repairing time will not exceed 30 natural days, from the day the claim was received.
4. Steren sell parts, components, consumables and accessories to customer, as well as warranty service, at any of the addresses mentioned later.
THIS WARRANTY IS VOID IN THE NEXT CASES:
If the product has been damaged by an accident, acts of God, mishandling, leaky batteries, failure to follow enclosed instructions, improper repair by
unauthorized personnel, improper safe keeping, among others.
a) The consumer can also claim the warranty service in the purchase establishment.
b) If you lose the warranty card, we can reissue it, if you show the invoice or purchase ticket.
RETAILER INFORMATION
Name of the retailer ____________________________________
Address _____________________________________________
Product ______________________________________________
Brand _______________________________________________
Serial number _______________________________________
Date of delivery _______________________________________
In case your product fails or have questions, please contact your nearest dealer. If you are in Mexico, please call to our Call Center.
button to turn on the MP3-840. Subsequently, in-
(return) /
(forward) keys once to select the
WARRANTY
CONDITIONS
01 800 500 9000
button.
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