
SIZE: 70x158mm
Portable waterproof Speaker
MMA3639, A023
®
OWNER'S MANUAL
PLEASE READ BEFORE OPERATING THIS EQUIPMENT.
MODEL: MMA3639
FCC NOTICE:
This equipment has been tested and found to comply with 
the limits for a Class B digital device, pursuant to Part 15 of 
the FCC Rules. These limits are designed to provide 
reasonable protection against harmful interference in a 
residential installation. This equipment generates, uses and 
can radiate radio frequency energy and, if not installed and 
used in accordance with the instructions, may cause harmful 
interference to radio communications. However, there is no 
guarantee that interference will not occur in a particular 
installation. If this equipment does cause harmful interference to radio or television reception, which can be 
determined by turning the equipment off and on, the user is 
encouraged to try to correct the interference by one or more 
of the following measures:
 ● Reorient or relocate the receiving antenna. 
 ● Increase the separation between the equipment and 
receiver.  
 ● Connect the equipment into an outlet on a circuit 
different from that to which the receiver is connected. 
 ● Consult the dealer or an experienced radio/TV 
technician for help.
FCC WARNING:
To assure continued operation, follow the attached 
installation instructions and use only shield cables when 
connecting to other devices. Changes or modifications not 
expressly approved by the party responsible for 
compliance could void the user's authority to operate the 
equipment. 
1
LOCATION OF CONTROLS:                                                     
                    1.
                    2.   Button   
                    3. ►Button 
                     4.   Button 
                       5. White Indictor
                    6. Rubber Cover (This cover is for 
                      water and dusts Ingress 
                      Protection; 
                      is completely closed) 
                    7. LINE IN Jack
                    8. Micro USB Port (For charge only)
                    9. Micro SD Card Slot
                   10. Red Charging Indictor
                   11.
                   12. Built-in Microphone                                                                                                                                                        
                   13. Metallic Buckle
M Button                                                                                          
Reset Button (Inside the hole)
always make
 sure it 
POWER SOURCE:
The unit has a built in Li-ion rechargeable battery, recharge it 
before use or when the battery is drained as follows:
1. Open the Rubber Cover on the rear of unit.
2. Connect the Micro USB Plug from the supplied USB 
  Connection Cable to the Micro USB Port.
3. Connect the full sized USB Plug from the supplied USB 
  Connection Cable to the USB Port on Computer or USB 
  Charger (Not included).Charging will automatically start. 
  ● During charging, the Red Charging Indicator on the rear 
    of unit will illuminate. When finished, it will turn off. 
  ● During charging, you can also play and listen music at 
    the same time.
C. Do not charge longer than 24 hours. Excessive charging 
or running the unit until battery fully drains will damage 
battery. Battery life will be extended if you keep the 
battery fully charged.
D. Battery life naturally shortens slowly over time.
The rechargeable battery incorporated in this product is 
E.
not user replaceable.
OPERATION:
BT (Bluetooth) pairing:
First time use or re-pairing the unit to a new BT Device, pair 
as follows:
1. Power on the unit by pressing and holding the M Button 
  on the top of the unit approximately 1 second until the  
  White Indicator on the top of unit is illuminate and blink. 
  The unit will enter to BT (Bluetooth) mode automatically. 
  (If Micro SD Card and/ or Audio Connection Cable was 
  inserted
 into the unit. Unplug them from unit before 
on or press the M Button repeatedly to switch to BT
power 
 mode.)
2. Power on the external BT Device and enter to BT 
  searching mode. Start pairing following the on screen 
  instructions from the external BT Device. After paired, 
  the unit will sound a prompt tone and the White Indicator 
  will stop blinking.
pairing is complete you may now play music and
3. If 
  calls with your external BT Device.
 answer 
4. During playback:
  ● Press the ► Button on the unit to pause, press again 
    to resume normalplayback. 
s and holding the   or   Buttons to adjust
  ● Pres
    level as desired.
 volume 
  ● Press and release the   or   Buttons repeatedly to 
    skip tracks.
 To Computer or any USB Charger 
  ● Press the M Button repeatedly to switch to other  
    playback mode.
5. If the unit is paired to a Cell Phone and a call is incoming 
NOTES: 
The Rubber cover is for water and dusts Ingress 
Protection; always make sure it is completely closed.
IMPORTANT:
Your battery will last longer if you're following these simple 
guidelines for charging and storing.
  during an active music session, press the ► Button to 
  pause the music playback. Then speak to the built- in 
  microphone
  press the ► Button to disconnect or end the call and 
 to answer the call. When your call is 
complete, 
  resume to music playback.
6. When finished listening, press and hold the M Button to 
  shut off the unit. 
A. Before first time use, charge it approximately 4 hours until 
  the unit is fully charged. 
B. Recharge and store the unit within the temperature range 
  of 5°C~35°(40°F~95°F).
Notes:
 the external BT Device searched the unit, our 
● When
  number “MMA3639” will appear on the display of external 
model 
  BT Device.
● If while pairing you are asked for a code please try "0000" 
  or "1234".
Normal operation after pairing:
1. Power on the unit by pressing and holding the M Button 
  on the top of the unit approximately 1 second until the 
  White Indicator on the front of unit is illuminate and blink. 
  The unit will enter to BT (Bluetooth) mode automatically. 
  (If Micro SD Card and/or Audio Connection Cable was 
  inserted into the unit, press the M Button repeatedly to 
  switch to BT mode.)
2. Wait a few seconds until the unit is automatically paired 
  to the external BT Device
3. After pairing is complete, the unit will sound a prompt 
  tone and the White Indicator will stop blinking. You may 
  now play music and answer calls with your external BT 
  Device.
LINE IN:
from an external Audio Player such as a MP3 
To listen 
Discman …etc.
Player, 
1. Open the Rubber Cover on the rear of unit.
2. Connect one end of the supplied Audio Connection Cable 
  to the AUX Out/Line Out/Phone Jack on the external 
  Audio Player.
3. In power on mode, connect the other end of the cable to 
  the LINE IN Jack as the illustrated below. The unit will 
  turn to LINE IN mode automatically. 
To AUX Out/Line Out/ 
     Phone Jack on the 
     external Audio Player
4. Play the music on the connected Player as usual. (Make 
  sure the volume level of the connected Audio Player is 
  turned to high level.)
5. During playback:
  ● Press the ► Button to mute the sound, press again to 
    turn the sound back. 
  ● Press and holding the   or   Buttons to adjust volume 
    level as desired.
  ● Press the M Button repeatedly to switch to other  
    playback mode. 
6. When finished listening, press and hold the M Button to 
Micro SD Card:
1. Open the Rubber Cover on the rear of unit.
2. Insert the Micro SD Card into the Micro SD Card Slot 
  with contact finger face to up as the illustrated follows:
3. Power on the unit by pressing and holding the M Button 
  on the top of the unit approximately 1 second. The unit 
  will plays the song/music on the Micro SD Card 
  automatically.
4. During playback:
  ● Press the ► Button to mute the sound, press again to 
    turn the sound back. 
  ● Press and holding the   or   Buttons to adjust 
    volume level as desired.
  ● Press and release the   or   Buttons repeatedly to 
    skip tracks.
  ● Press the M Button repeatedly to switch to other  
    playback mode. 
5. When finished listening, press and hold the M Button to 
  shut off the unit.
Notes:
● Up to 16 GB Micro SD Card the unit support to play.
● Before replacing Micro SD Card, make sure the unit has 
  been powered off.
● When inserting the Micro SD Card, make sure the 
  direction you selected is correct. Never insert violently to 
  avoid damaging the Micro SD Card or the unit.
● If it doesn’t work, please check if the direction is correct.
● You also need to download the desired music in MP3 
  format into the Micro SD Card before insert into the unit.
RESET: 
If the unit is halt or abnormal operation, press the 
Reset Button by a small screw driver (not included) to 
shut it off. Press and holding the M Button approximate 1 second to power on it again.
  shut off the unit.
2
3
4
5
TROUBLESHOOTING:
Check the following before requesting service:
SYMPTOM
Can’t power on
No sound or 
sound weak
Sound 
distortion
BT not 
functioning
POSSIBLE CAUSE
Built in battery drained
Volume of the unit was set 
to minimum position
Volume level of 
paired/connected device 
is in low level
Volume level too high
Volume level of the 
connected/paired device 
too high
The external BT Device 
had NOT paired to the unit
The external BT device 
too far from the unit
POSSIBLE SOLUTION
Recharge the built-in battery as 
page 2.
Increase the volume by press 
and holding the   Button
Rise the volume level of the 
paired/connected device
Reduce the volume level by 
press and holding the   Button
Reduce the volume level of the 
connected/paired device
Pair the external BT Device to 
the unit as page 2.
Place the external BT device 
close to the unit
SPECIFICATIONS:
Power Source
Dusts/Water Ingress 
Protection Level
Impedance of Speakers
Audio Power
BT Version
BT Operation Distance                  
Built-in DC    3.7V, 1000 mAH(3.7WH) rechargeable Li-ion 
battery; Recharge by DC     5V through Micro USB Port
IP67
2 x 5 W; 3 ohm
3W per Channel (Total 6 W, RMS)
4.1 
≧ 32 Feet in open area 
PACKAGE INCLUDES: 
1 x User's Manual 
1 x USB Connection Cable (For charge only) 
1 x Audio Connection Cables with 3.5mm Plugs 
SPECIFICATIONS AND ACCESSORIES ARE SUBJECT 
TO CHANGE WITHOUT NOTICE.
6
LIMITED WARRANTY
Craig Electronics warrants this product to be free from 
manufacturing defects in material and workmanship 
under normal use for a period of 180 days from date of 
purchase. If service is required, please return the product 
to the store where it was purchased for exchange; or, 
pack the unit in the original packing material with all 
accessories if applicable, a copy of your sales receipt and 
a Cashier’s check or Money Order for $12 (to cover 
shipping and handling costs) payable to Craig Electronics 
Inc. For consumers in Canada, please make sure that the 
cashier check or money order is redeemable through a 
U.S. bank. Ship your product freight pre-paid. Your unit 
will be repaired, replaced or if the unit cannot be repaired 
or replaced, a refund will be forwarded to you within four 
weeks of receipt of your unit. Please ship your unit to:
Craig Electronics Inc.
1160 NW 163 Drive
Miami, Fl 33169
This warranty is void if the product has been: a) Used in a 
commercial application or rental. b) Damaged through 
misuse, negligence, or abuse. c) Modified or repaired by 
anyone other than an authorized Craig service center. d) 
Damaged because it is improperly connected to any other 
equipment. 
Note: This warranty does not cover: a) Ordinary 
adjustments as outlined in the Owner’s Manual which can 
be performed by the customer. b) Damage to equipment 
not properly connected to the product. c) Any cost 
incurred in shipping the product for repair. d) Damage to 
the product not used in the USA.
This warranty is not transferable and only applies to the 
original purchase. Any implied warranties, including the 
warranty of merchantability, are limited in duration to the 
period of this expressed warranty and no warranty 
whether expressed or implied shall apply to the product 
thereafter.
Under no circumstance shall Craig be liable for any loss or 
consequential damage arising out of the use of this 
product. This warranty gives specific legal rights. 
However, you may have other rights which may vary from 
state to state. Some states do not allow limitations on 
implied warranties or exclusion of consequential damage. 
Therefore, these restrictions may not apply to you.
This product has been manufactured by and is sold under 
the responsibility of Craig Electronics Inc, and Craig 
Electronics Inc is the warrantor in relation to this product. 
MAGNAVOX and SMART. VERY SMART are registered 
trademarks of Koninklijke Philips N.V. and are used under 
license from Koninklijke Philips N.V.
To Obtain Service on your Product
email:service@craigelectronics.com
Printed in China  MMA3639_WC_E0FK1_B0WU