Monoprice 43257 User manual

Harmony Puck Portable Bluetooth® Speaker
IPx4 Waterproof, TrueWireless™ Stereo
P/N 43257
User's Manual

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SAFETY WARNINGS AND GUIDELINES
Please read this entire manual before using this device, paying
extra attention to these safety warnings and guidelines. Please
keep this manual in a safe place for future reference.
•Do not expose this device to excessively high
temperatures. Do not place it in, on, or near a heat
source, such as a fireplace, stove, radiator, etc.
•Do not expose this device to excessive vibration,
extreme force, shock, or fluctuations in temperature or
humidity.
•This device contains a Lithium-ion battery. Dispose of this
device only in accordance with local, state, or federal
regulations for electronic waste.
•Charge the battery before first use and at least once
every two months to keep it fresh and capable of holding
the full charge.
•Clean using a soft, dry cloth only. Do not use chemical
cleaners, solvents, or detergents. For stubborn deposits,
moisten the cloth with warm water.
•This device has no user serviceable parts. Do not attempt
to open, service, or modify this device.

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CUSTOMER SERVICE
The Monoprice Customer Service department is dedicated to
ensuring that your ordering, purchasing, and delivery experience
is second to none. If you have any problem with your order,
please give us an opportunity to make it right. You can contact a
Monoprice Customer Service representative through the Live
Chat link on our website www.monoprice.com or via email at
[e-mail]. Check the website for support times
and links.
PACKAGE CONTENTS
Please take an inventory of the package contents to ensure you
have all the items listed below. If anything is missing or damaged,
please contact Monoprice Customer Service for a replacement.
1x Bluetooth® Speaker
1x Micro USB Charging Cable
1x User's Manual

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PRODUCT OVERVIEW
1. Lanyard
2. Power Button
3. Play/Pause Button
4. Volume -
5. Volume +
6. microSD™ Card Slot
7. Micro USB Charging Port
8. 3.5mm AUX Jack

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9. LED Indicator
10. Microphone
CHARGING
Charge the battery before first use and at least once every two
months to keep it fresh and capable of holding a full charge. We
recommend that you charge the speaker for about 10 minutes
prior to use, if it has been unused for at least 7 days.
1. Plug one end of the included Micro USB Charging Cable
into the Micro USB Charging Port on the speaker, then
plug the other end into a USB power source, such as a
wall charger, power bank, computer, etc. (available
separately). The LED Indicator will illuminate solid red,
indicating that charging is in progress.
2. When charging is complete, the LED Indicator will turn
off.
BLUETOOTH PAIRING
1. Press and hold the Power Button for 3 seconds to turn
the speaker on. When the speaker is first powered on, it
will automatically enter Bluetooth pairing mode and the

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LED indicator will flash white, indicating that it is in
Bluetooth pairing mode.
If the speaker is already paired to a device and that
device is powered on and within range, the speaker will
attempt to reconnect to the paired device. If it cannot
automatically reconnect to the paired device, you can
either double press the Power Button to reconnect the
device or proceed with pairing a different device.
2. Open the Bluetooth® settings on your device and scan
for nearby Bluetooth connections.
3. Locate and select the MP43257 entry. If prompted for a
passcode, enter 0000 (four zeros).
4. Once connected, the LED Indicator will stop flashing and
will illuminate solid white, and an audible cue will be
heard.
AUX PLAYBACK
If your audio device does not have Bluetooth or if you do not
want to use Bluetooth, you can listen to audio using a wired
connection to the 3.5mm AUX Jack on the speaker.
1. Plug one end of the included 3.5mm Audio Cable in the
3.5mm AUX Jack on the speaker, then plug the other end

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into the headphones or other analog audio output on
your audio source device.
2. Use the controls on your device to control audio
playback and the volume controls on the speaker to
control the volume. The playback controls on the speaker
do not function with a wired connection.
MICROSD CARD PLAYBACK
This speaker features a microSD™ card slot, which can be used to
play mp3 files on an inserted microSD card.
1. With the speaker powered off, insert a microSD card with
mp3 files into the microSD Card Slot. The speaker
supports microSD cards with capacities up to 32GB and
formatted with the FAT16 or FAT32 file system. The mp3
files on the card can be in any subdirectory.
2. Press and hold the Power Button for 3 seconds to turn
the speaker on. If playback does not automatically begin,
press the Power Button to switch from Bluetooth to
microSD (TF) card playback mode.

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BUTTON OPERATION
Power Button
•With power off, press and hold the Power Button for 3
seconds to turn the speaker on. If it has not already been
paired or if its paired device is off or out of range, the
speaker will enter Bluetooth® pairing mode. If it has been
paired and the paired device is on and in range, the
speaker will reconnect with your device.
•With power on, press and hold the Power Button for 3
seconds to turn the speaker off. Note that after 10
minutes of no audio playback, the speaker will
automatically turn off.
•If the speaker does not automatically reconnect with a
paired device, double press the Power Button to connect
the paired device.
•With a device paired and connected, double press the
Power Button to disconnect the speaker from the paired
device.
•Press the Power Button to switch between Bluetooth®
and microSD™ card playback.
•Press and hold the Power Button for 8 seconds to reset
the speaker.

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Play/Pause Button
•With audio playing, press the Play/Pause Button to
pause playback.
•With audio playback paused, press the Play/Pause
Button to resume playback.
•When an incoming call is received, press the Play/Pause
Button to answer the call.
•With a call in progress, press the Play/Pause Button to
terminate the call.
•When an incoming call is received, press and hold the
Play/Pause Button for 2 seconds to reject the call.
•When a Bluetooth® connection to your phone is active,
double press the Play/Pause Button to redial the last
called number.
•At any time, other than when an incoming call is
received, press and hold the Play/Pause Button for 2
seconds to make a TrueWireless™ Stereo (TWS)
connection with another 43257 speaker.
•When a TWS connection is active, press and hold the
Play/Pause Button for 2 seconds to disconnect the TWS
connection.

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Volume + and Volume - Buttons
•Press the Volume + Button to increase the volume level.
•Press the Volume - Button to decrease the volume level.
•Press and hold the Volume + Button for 2 seconds to skip
forward to the next track.
•Press and hold the Volume - Button for 2 seconds to skip
back to the previous track.
TWS OPERATION
This speaker features TrueWireless™ Stereo (TWS) functionality,
which allows you to connect two 43257 speakers together to act
as a stereo pair, with one speaker playing left channel audio and
the other playing right channel audio. Perform the following steps
to establish a TWS connection with two 43257 speakers.
1. Press and hold the Power Button on each speaker for 3
seconds to turn each speaker on.
2. Press and hold the Play/Pause Button on one of the
speakers for about 2 seconds until you hear a beep
sound. This will be the primary/left channel speaker in
the TWS array.

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3. Release the Play/Pause Button and the speakers will
connect to each other. The LED Indicator on the
primary/left channel speaker will flash white once every
3 seconds, while the LED Indicator on the right channel
speaker will illuminate solid white.
4. Open the Bluetooth® settings on your phone. Locate and
select the MP43257 entry, which is now the two speakers
operating as a single stereo speaker array.
To disconnect the TWS array, press and hold the Play/Pause
Button on one of the speakers for 2 seconds until you hear a beep
sound.
TECHNICAL SUPPORT
Monoprice is pleased to provide free, live, online technical
support to assist you with any questions you may have about
installation, setup, troubleshooting, or product recommendations.
If you ever need assistance with your new product, please come
online to talk to one of our friendly and knowledgeable Tech
Support Associates. Technical support is available through the
online chat button on our website www.monoprice.com or
through email by sending a message to [email protected].
Check the website for support times and links.

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To download the latest drivers, firmware, manuals, etc., go to
www.monoprice.com and type the P/N into the search bar. If
available, support files are linked at the bottom of the product
page.
SPECIFICATIONS
P/N
43257
Driver Size
ø43mm
Amplifier Power
3 watts
Nominal Impedance
4Ω
Bluetooth® Version
5
Bluetooth Range
Up to 32 feet (10 meters)
Bluetooth Pairing Name
MP43257
microSD™ Card Capacity
32GB
microSD Card Formatting
FAT16 or FAT32
Waterproof Level
IPx4
Battery Type
3.7V Lithium-ion
Battery Capacity
800mAh
Charging Time
About 3 hours

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Playback/Talk Time
About 4 hours
Input Power
5 VDC, 600mA
Dimensions
ø3.4" x 1.9" (ø86 x 49 mm)
Weight
5.4 oz. (153 g)
REGULATORY COMPLIANCE
Notice for FCC
This device complies with Part 15 of the FCC rules. Operation is
subject to the following two conditions: (1) this device may not
cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause
undesired operation.
Modifying the equipment without Monoprice's authorization may
result in the equipment no longer complying with FCC
requirements for Class B digital devices. In that event, your right
to use the equipment may be limited by FCC regulations, and you
may be required to correct any interference to radio or television
communications at your own expense.

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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.

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Radio Notice for FCC
Caution
This FCC Part 15 radio device operates on a non-interference basis
with other devices operating at this frequency. Any changes or
modification to said product not expressly approved by
Monoprice, including the use of non-approved antennas, could
void the user's authority to operate this device.
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions: (1) this device may not
cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause
undesired operation.
Notice for Industry Canada
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme
NMB-003 du Canada.

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Radio Notice for Industry Canada
Caution
This IC RSS-210 radio device operates on a non-interference basis
with other devices operating at this frequency. Any changes or
modification to said product not expressly approved by
Monoprice, including the use of non-approved antennas, could
void the user's authority to operate this device.
This device complies with IC RSS-210. Operation is subject to the
following two conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any interference
received, including interference that may cause undesired
operation.
Monoprice™ and all Monoprice logos are trademarks of
Monoprice Inc.
The Bluetooth® word mark and logos are registered trademarks of
Bluetooth SIG, Inc.
microSD™ is a trademark of SD-3C, LLC.
Qualcomm® is a trademark of Qualcomm Incorporated, registered
in the United States and other countries. TrueWireless™ is a
trademark of Qualcomm Technologies International, Ltd.
Qualcomm® TrueWireless™ is a product of Qualcomm
Technologies International, Ltd.