
1
Sonic Beat Pro Wireless Headphones
Model No. AVS1644
User Manual
IMPORTANT – RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE

2
IMPORTANT – RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
Sonic Beat Pro Wireless Headphones
Model No. AVS1644
User Manual
READING AND STORING THE USER MANUAL
Before using this product, please read through this manual
carefully paying particular attention to the safety instructions.
Failure to do so may result in personal injury or damage to the
product.
Carefully save this instruction manual for future reference. Ensure the
user manual is included when passing the product on to any third
parties.
IMPORTANT SAFETY INSTRUCTIONS FOR PROPER USE
When using electrical appliances, basic safety precautions should always
be followed.
Only use the product as described in this user manual. Any other use is
considered improper and may result in damage to property or persons.
The manufacturer or vendor cannot be held liable for damages or injury
incurred through improper or incorrect use.
• Read and familiarise yourself with all operating
instructions before using your Wireless Headphones.
• Before using your Wireless Headphones, visually check
that the unit is intact and has not suffered any transit
damage.
• Only charge the headphones from a suitable USB outlet,
any other power source may cause permanent damage to
the headphones.
• The headphones must be fully charged via the USB port
before use.
• Do not operate these headphones after a malfunction or
after being dropped or damaged in any way.
• Never allow children to play with the headphones. Small
parts may be a choking hazard.
• Do not allow the USB charging cable to hang over sharp
edges or come in contact with hot surfaces.
• These headphones are intended for household use only
and should not be used for industrial purposes.
• Do not use these headphones for anything other than
there intended use.

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Sonic Beat Pro Wireless Headphones
Model No. AVS1644
User Manual
IMPORTANT – RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
• Do not immerse the headphones in water or any other
liquids.
• Do not expose the headphones to moisture, rain or
humidity, as they are not waterproof.
• Before cleaning, ensure the earphones are not connected
to the USB supply.
• Never clean the headphones with solvents or harsh or
abrasive cleaners.
• Do not attempt to dismantle the earphones, it does not
contain any user serviceable parts.
• Whilst not in use, store the headphones in a cool dry
place free from extreme temperatures, humidity or dust.

4
IMPORTANT – RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
Sonic Beat Pro Wireless Headphones
Model No. AVS1644
User Manual
Explanation of Symbols
The following warning symbols or words are used in this instruction manual:
Products labelled with UK Conformity Assessment identifies
products conforming to UK statutory requirements.
Products labelled with this symbol conform to applicable
provisions of the European Economic Area.
You should now recycle your waste electrical goods and in doing
so help the environment. This symbol means waste electrical
products at the end of their useful life should not be disposed of
with normal household waste and not sent to landfill. Please
ensure it is taken to a suitable facility for disposal. Check with
your Local Authority or retailer for recycling advice or visit
www.recycle-more.co.uk enter your postcode to find out your
nearest recycling site.
This symbol means batteries and rechargeable batteries may not
be disposed of with household waste!
As the end user you are required by law to bring all batteries and
rechargeable batteries to a collection point run by the Local
Authority or visit www.recycle-more.co.uk, so that they can be
disposed of in an environmentally friendly manner.
This symbol provides useful additional information on the
use of this product.
This symbol indicates that the supply uses an alternating current
mains supply.
This symbol indicates that this product conforms to the Radio
Equipment Directive (RED).
Warning: To prevent possible hearing damage, do not listen at high
volume levels for long periods of time.

5
Sonic Beat Pro Wireless Headphones
Model No. AVS1644
User Manual
IMPORTANT – RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
Description of Parts
Charging Your Headphones
Before first using your Headphones ensure they are fully charged as follows:
1. Insert the C-Type USB Plug (11) of the USB Cable (9) into the USB Charging
Port (6) in the Headphones.
2. Insert the A-Type USB Plug (10) into a suitable USB outlet such as a laptop, PC
or USB Wall Charger.
3. Whilst the Headphones are on charge, the LED Indicator (4) will glow red, once
the internal battery is fully charged the LED Indicator (4) will go out.
NB Charging time will take approximately 1 hour – remove the charging cable once
the headphones are fully charged.
4
3
1
2
7
5
6
8
12
9
1. Next Track/Volume Up
2. Previous Track/Volume Down
3. Play/Pause, Answer Call
4. LED Indicator
5. 3.5mm AUX Input
6. USB Charging Port
7. Microphone
8. ON/OFF
9. USB Cable
10. A-Type USB Plug
11. C-Type USB Plug
12. 3.5mm AUX Cable
10
11

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IMPORTANT – RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
Sonic Beat Pro Wireless Headphones
Model No. AVS1644
User Manual
Re-Charging Your Headphones
A low tone in the Headphones whilst listening to music indicates that the battery is
nearly flat and will need recharging – follow the above procedure to re-charge
your Headphones.
NB the percentage of battery charge will be shown in the ‘Paired Devices’ on your
Wireless device.
Pairing and using Your Headphones
1. Press the ON/OFF Button (8) for 2-3 seconds and the LED Indicator (4) will flash
alternate Red/Blue colour showing the headphones have powered up and are
ready to pair.
2. Enable the wireless mode on your Phone, Tablet or other wireless compatible
device and set it to search.
3. Select ‘AVS1644’ from the search results and the headphones will now pair with
your device.
4. Once the two are paired successfully, the LED Indicator (4) will light blue.
NB The Headphones will reconnect automatically after power up if your device has
previously paired with the headphones and the pairing process will not be needed.
Playing Music after Pairing
1. Press the Play/Pause, Answer Call button (3) to start playing music, press the
button again to pause playing music.
2. Briefly press the Next Track/Volume Up button (1) to increase the volume
level.*
3. Briefly press the Previous Track/Volume Down button (2) to lower the volume
level.
4. Press and hold the Next Track/Volume Up button (1) for one second to skip to
the next music track.
5. Press and hold the Previous Track/Volume Down button (2) for one second to
skip back to the previous music track.
Handling Telephone Calls
Answering a Call
1. A call coming in will mute (cut) the music you are listening to.
2. Press the Play/Pause, Answer Call button (3) to answer the call.
3. Briefly press the Next Track/Volume Up button (1) to increase the call volume
level.*
4. Briefly press the Previous Track/Volume Down button (2) to lower the call
volume level.
5. Press the Play/Pause, Answer Call button (3) to end the call.
NB The callers voice will be heard in the headphones and your voice will be
picked up by the built in Microphone (7) in the headphones.

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Sonic Beat Pro Wireless Headphones
Model No. AVS1644
User Manual
IMPORTANT – RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
Rejecting a Call
1. A call coming in will mute (cut) the music you are listening to.
2. Press the Play/Pause, Answer Call button (3) for two seconds to reject a call.
Redialing the last Call Made
1. Press the Play/Pause, Answer Call button (3) twice to redial the last call made.
2. Briefly press the Next Track/Volume Up button (1) to increase the call volume
level.*
3. Briefly press the Previous Track/Volume Down button (2) to lower the call
volume level.
4. Briefly press the Play/Pause, Answer Call button (3) to end the call.
NB The callers voice will be heard in the headphones and your voice will be
picked up by the built in Microphone (7) in the headphones.
*One high pitched beep will be heard warning when the maximum volume
setting has been reached.
Using Your Headphones 3.5mm AUX Input (5)
If the Headphone battery goes flat whilst in use or the device you are using has no
Wireless output, plugging your device or audio source into the 3.5mm AUX Input
(5) via the supplied 3.5mm AUX Cable (12) will allow normal playback through the
headphones.
NB The wireless mode will not operate whilst using the wired AUX connection.
Powering Off
After use, press the ON/OFF Button (8) for 2-3 seconds to power off the
headphones.
Technical Specification
Model Number
AVS1644
Wireless Version
5.4
Wireless Range
10M
Operating Frequency
2402-2480MHz
Audio Frequency Response
20Hz – 20kHz
Drive Unit
40mm
Battery
400mAh 3.7V Rechargeable Battery
Unpacked Weight
Approx. 210g
Dimensions (Approx.)
Approx. 155 (w) x 80 (d) x 210 (h) mm
Playing Time
40 hours (100% volume)
Charging Time
1 hour
This product conforms to Radio Equipment Directive 2014/53/EU

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IMPORTANT – RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
Sonic Beat Pro Wireless Headphones
Model No. AVS1644
User Manual
Recycling Information
Disposal of the Packaging
Dispose of paper and cardboard in appropriate paper recycling facilities.
Dispose of recyclable plastics in appropriate plastic recycling facilities.
Dispose of non-recyclable plastics in the appropriate plastics collection service.
Disposal of the Product
You should now recycle your waste electrical goods and in doing so
help the environment. This symbol means waste electrical products
at the end of their useful life should not be disposed of with normal
household waste and sent to landfill. Please ensure it is taken to a
suitable facility for disposal. Check with your Local Authority or
retailer for recycling advice or visit www.recycle-more.co.uk, enter
your postcode to find out your nearest recycling site.
This symbol means batteries and rechargeable batteries may not be
disposed of with household waste!
As the end user you are required by law to bring all batteries and
rechargeable batteries to a collection point run by the Local Authority
or visit www.recycle-more.co.uk, so that they can be disposed of in
an environmentally friendly manner.

9
Sonic Beat Pro Wireless Headphones
Model No. AVS1644
User Manual
IMPORTANT – RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE

10
IMPORTANT – RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
Sonic Beat Pro Wireless Headphones
Model No. AVS1644
User Manual
WARRANTY
Thank you for purchasing your Daewoo product.
As part of our commitment to quality, we are offering you an extra 2 years warranty in
addition to your 1 year guarantee
Your Daewoo product is guaranteed for 1 year from the date of original purchase, with proof
of purchase or receipt. If any defect should occur due to faulty workmanship or material, your
faulty product should be returned to the place of purchase, replacement or refund is at the
discretion of the retailer.
The guarantee is subject to the following provisions:
•
The product must be correctly installed and operated in accordance with the
requirements contained in the instruction manual.
•
The product must be used solely for domestic purposes.
•
It does not cover general wear and tear, damage, misuse or any consumable parts.
•
The guarantee will be rendered invalid if the product is re-sold or has been damaged through
inexpert repair.
•
The guarantee is only valid within the UK and Eire.
Your standard 1 year guarantee will only be extended to the maximum available for your
individual product upon registration. (Note: products must be registered individually and
covers the main body and housing). If you do not register your product within 28 days of the
original purchase date, your product will only be guaranteed for 1 year.
To validate your extended 2 year warranty*please register your purchase online within 28
days of the original purchase date by registering at:
https://help.daewooelectricals.com
or
Contact Us (daewooelectricals.com)
*Your extended warranty is only valid with proof of purchase receipt and subject to the
conditions outlined above.
Daewoo is a registered trademark.
Produced and imported under licence by
Eurosonic Group Limited
Brightgate House
1 Brightgate Way
Manchester M32 0TB UK
EU Rep: EuroSonic Magppie (ESM) Ltd. Ireland D05 X006
www.esgltd.com
