MXH- BTW510
User Manual
Thank you for purchasing this MAXELL product. Before use, makesure to read this Instruction Manual and use the product correctly
and safely.

■ Contents of the package

Earpieces (S/M/L 2pcs each)* M is attached to the main unit

Main Unit (L x 1pc 、 R x 1pc）

Examples ofSymbolBluetooth®
Wire l e s s Earphone

stands for caution to fire, explosion, high temperaturewhen handling the product. Details will be illustrated
inside the symbol.
stands for prohibited actions when handling the product.
Details will be illustrated inside or next to the symbol orwith written description next to it.
stands for instruction which must be followed. Details
will be illustrated inside or next to the symbol or withwritten description next to it.

DangerCharging Cable(USB-A–USB Micro-B approx. 45cm) x 1pc

When charging, please use USB port of computer etc. or USB adapter.
Using other power exceeding USB rating may result in heatgeneration, ignition, failure, electric shock or injury.



Warning     May cause traffic accident as hard to hear surroundings.

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User Manual(This
Document)

1 Introduction
About the user manual● This Instruction Manual may be subject to change without prior notice.
● In order to improve the product, external appearance or part of thespecifications may be subject to change without prior notice.

Disclaimer (See the warranty certificate for details of the warranty.)
Maxell shall not be responsible for any damage caused by fires,
earthquakes, action of a third party, any accidents, intended or unintended
misuse or other usage under abnormal conditions.
The warranty stated in the warranty certificate is all we warrant, and we do
not warrant anything except for this warranty including express warranty
and implied warranty.
Maxell shall not be responsible for failure due to any damage caused byusage other than described in the instruction manual.
This product is not being designed to be any equipment or device which
could be concerned with human life such as medical device, nuclear device,astronomical device, transportation device etc., nor equipment or devices
which requires high reliability. In case this product is used for the above
equipment and or systems, Maxell do not responsible for any injuries or fire
accident cause by the failure of this product.
This product is Japanese specification. We assume no responsibility if use
outside Japan.

2 Safety Caution

Please strictly follow

Danger

If it is handled incorrectly, the user may suffer
death or severe injury*1 and the urgency is high.

handled incorrectly, it is assumed that
Warning Iftheit isuser
may suffer death or serious injury*1.
If it is handled incorrectly, it is assumed that the user

Caution may suffer minor *3injury*2 or there is a possibility thatproperty damage may occur.”*1: Severe injury is indicated by those that have after effects such as blindness,injury, burns (high temperature burns/low temperature burns, chemical burns),
electric shock, fracture, poisoning, etc. and thoserequiring hospitalization or long-term regular hospital visits for treatment.
*2: Minor injury refers to hurt, burnt, electric shock, etc. which do not result in
hospitalization or long-term follow-up consultation.
*3: Property damage refers broad damages to houses or properties and domestic
animals/ pets.

Even while walking, using it in where it will be dangerous if
surrounding sounds cannot be heard (such as railway crossings,
crosswalks, station platforms, roadways, construction sites, etc.)
can cause unexpected serious accidents.

  

Radio waves may affect cardiac pacemakers and medical equipment.
Please do not use in areas where use of wireless equipment isprohibited such as in hospitals or priority seat of trains etc.

    
Please make sure that small children will not swallow it by accident
In case of accident, seek medical attention immediately.

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   The surface of equipment and parts may deteriorate, result incausing fire. Please take extra care in closed automobile in summer,
or it is under direct sunlight or near a stove.

 This may result in heat generation, ignition, breakage, leakage.

 
This may cause fire or electric shock.

    3 Name of Each Part
Main Unit

Battery Case

Indicator LED / Mic

Continuously listening to loud volume can result in overstimulationof ears for an extended period of time. It may affect the hearing.
Furthermore, if the volume is raised too much from the beginning,
the sudden loud sounds may harm ears. Before using, please reducethe volume of the connected device.

Multi Function
Button*1

Charging
Terminal(back)

Earpiece

Indicator LEDContinued usage may cause irritation or rash.
If you feel an abnormality, please discontinue use and seek medical
attention.

  

    Please do not touch the leaked liquid. If liquid leaks from this device
and gets into the eye, do not rub. Rinse with plenty of clean water
immediately and consult a doctor. It may cause blindness.
Charging Case

CautionIt may hurt your ear hole.

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  ~­

Charging and using at temperatures outside this range may cause
leakage, overheating, breakage, or malfunction.


Please remove dust and dirt regularly. Otherwise it may cause
overheating or fire.

Note on wireless use
This device uses 2.4 GHz frequency band. This frequency band is also
used by internal radio stations (radio stations that requires a license),
specific low-power radio stations (radio stations that do not require alicense) and amateur radio stations (radio stations that requires alicense) for moving object identification that are used in industrial,
scientific, and medical equipment such as microwave ovens as well asfactory manufacturing lines.
1. Before using this device, make sure that any internal radio station,
any specific low power radio station or any amateur radio station
for moving object identification are not operated nearby.
2. In the unlikely event of radio interference to an internal radio
station for moving object identification from the device,
immediately change the location of use or stop the emission ofradio waves.
3. In addition, when any troubles arise such as radio interference toa specific low-power radio station or an amateur radio station formoving object identification from this unit happened, pleasecontact our company’s "Customer Service Center”.
4. This unit is certified as a low-power data communication system
based on the Radio Law. Therefore, you do not need a wirelessstation license to use this machine. However, it is prohibited todisassemble, remodel or erase the certification making on the
product.
5. Please do not use in areas where use of mobile phone andwireless equipment is prohibited such as in hospitals or priority
seat of trains etc.
This radio equipment uses the 2.4 GHz band.
The FHSS modulation method is adopted as
the modulation method, and the interference
distance is 10 m.

＊1：The multi function button is a touch sensor. Please operate by touching directlywith the pad of your ﬁnger. It cannot be operated with gloves on. Please remove
and operate. When handling the main unit, please note that unintended
operation may occur if your ﬁnger touches the multi- function button.

4 Preparation
This product has a built-in lithium ion battery. After purchase,
please charge before use.

<Charging the charging case>
1. Connect the supplied USB charging cable to the charging caseand the USB port of PC or USB adapter.
2. Charging of the charging case starts and indicator LED flashes.
3. Charging is completed when the indicator LED turns off. (Charging
time: approx. 3hrs)
4. Remove the charging USB cable.

Connection diagram
Charging

Micro-USB Terminal

USB Port of PC

Back
Charging Cable
AC Adaptor
Front
Charging（flash）<Charging the main units>

Charging
completed（Light off）

1. Place the main units into the charging case. Align the L and R displayof the main units to the corresponding indication in the charging
case for charging.
2. The indicator LED on and charging starts.
3. Charging is completed when the indicator lights on the main units goout. (Charging time: approx. 2hrs)

204 -B00344

Fire, electric shock, injury may occur.

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If smoke or strange smell or sounds comes out, or water or foreign
object gets inside, or the product is dropped, please turn off thepower immediately. Furthermore, if it is being charged via USB,
unplug the USB connection. Continued usage may cause heatgeneration, ignition, malfunction, electric shock, etc.

        
It may cause leakage, overheating, fire or breakage.

※ Please do not use other cables except the supplied cable for charging.
※ Please use 5V DC power supply based on USB standard for a USB port.
※ Charging time varies depending on the battery level. If the charging lamp turns off
immediately, the battery is fully charged.
※ If the battery is not used for a long period of time, charge it at least every 6 months.
Self-discharge may cause complete discharge and may become unable to charge.
※ Lithium ion battery is a consumable item. The usage time will reduce with use. If theusage time becomes extremely short, it indicates the end of battery life.
※ Calls and playback will not work while charging.
※ When the battery level of the main units become low, the guidance sound "battery
low" will be announced from the unit.

<Choosing an earpiece><The 1st Device>
Remove the main unit
from the charging case, it will
be in paring mode immediately
PairingMode

At the time of purchase, size M earpiece are attached to the main unit. If size
M does not fit your ears, please replace with the size S or size L earpiece inthe contents. If the earpiece does not fit correctly, it will not be possible to seal
the ear hole with the earpiece, which may cause sound leakage and no bass tobe heard. Also, if you feel that the volume is low, there is a possibility of soundleakage.

Pairingcomplete

5 How to Use<Pairing and connecting><The 2nd or subsequent
devices>
Remove the main unit fromthe charging case,
It will be in pairing mode in
about 15 seconds. Or, after
taking out the main unit,
Press and hold the multibutton of main unit L for about
3 seconds.
Pair this product from yourMain unit LR:
Bluetooth device. Please refer Blue light flashes Connected
to <Pairing and connecting> slowly
After pairing is completed,automatically connects if
Bluetooth of your Bluetooth
device is enabled*4

Connect

In order to use this product, it is necessary to pair with your device.
Once pairing is done, you can connect without pairing again.
1. When the main units are removed from the charging case, the mainunits power turns on automatically, and the indicator LED starts
flashing.
2. After a while, the LED of the main unit (L) starts to flash red and blue
alternately.*1 The LED of The main unit (R) will flash slowly in blue.
3. Enable Bluetooth function on your Bluetooth device.
For details on setting, please refer to the instruction manual of thedevice.
4. Please select "MXH-BTW510" from the list displayed on yourBluetooth device.
5. When pairing is completed, the blue indicator
LED flashes slowly.
*1: When pairing is performed for the first timeafter purchase, it will be in paring mode
immediately after the power is turned on.
When paring the second or subsequent
devices, it will be in pairing mode approx. 15
second after the power is turn on.

Main unit L: Bluelight flashes →Blue light and
Red light flash
Power ONalternatively
Pairing Mode
Main unit R: Bluelight flash slowly

Disconnect the product from
Disconnect your device (or disable
Bluetooth)Main unit LR:
Blue light flashes ConnectedslowlyMain unit L:Blue light flashes
Disconnected
Main unit LR:
Blue light flashes
slowly*4: If it does not connect automatically, please select "MXH-BTW510" from the
Caution After approx. 3 minutes without Bluetooth connection, the power willturns off automatically.

■ Music Playback
Function

Operation

PLAY / PAUSE

Press the multi function button on themain unit L or R to operate play and pause

Volume UP / DOWNThis operation cannot be done with thisproduct. Operate with the connected device

Next song (skip to thenext song)

Press the multi function button on main unit
L or R twice in succession

Previous song (return tothe beginning of thecurrently playing song*5)

Press the multi function button on main unit
L or R three times in succession*5: If the button is pressed at the beginning of the song, it will skip to the previous
song.

<Connection after the second time onward>
1. When the main units are removed from the charging case, the mainunits’ power turns on automatically, and the indicator LED start
flashing.
2. Activate Bluetooth on your Bluetooth device.
3. The earphone will connect automatically.*2 After connect, the display
lamp will flash blue slowly.

Caution Depending on your device, the operation may different or may not be
available.

■Hands free call
Function

Press the multi function button on the main unit L or R when
Receiving a call receiving a call

*2: If it does not connect automatically, please select "MXH-BTW510" from the list
displayed on your device.

Operation

Ending a call

Press the multi function button on the main unit L or R
during a call
The other party disconnects the callCaution● Pairing mode lasts for approximately 3 minutes, and if it is not paired duringthat time, the power will OFF.
● Password*3 input may be requested by your Bluetooth device. In that case,
you can pair it by entering "0000".
● This product can simultaneously store up to 7 paired Bluetooth devices.
When more than 8 pairings are attempted, the information of the 1ststored Bluetooth device is erased and is replaced by the newly paired
device. If you want to use a Bluetooth device whose information has beenerased, please pair it again.
*3: Password may be called passcode, passkey, PIN code, etc.

Caution Depending on your device, the operation may different or may not be<How to operate>

No soundavailable.

6 Troubleshooting
The power ・Insert the main units into the charging case and remove themfrom the charging casedoes not・Please charge the productturn on・Please pair and connect Bluetooth・Power is not turned on. Put the main unit in the charging case and
A2DP■ Common function
Function

Operation

Remove the main units fromPower On the charging case
Place the main units into thecharging casePower OFF Or, press and hold the multifunction button for
approximately 6 seconds

take it out

・Check to see if the connected device supports Bluetooth profile

Display Lamp

Guidance
Sound

Main unit L:Blue light flashes
Main unit R:
Power OnBlue light flashes
slowly・Check if the connected device is playing
・Please increase the volume of the Bluetooth device slowly
・Please reduce the volume of the connected device and this unit
・Please turn off the functions such as bass boost of connection device
Sound isdistorted or ・Remove any obstacles between the connection device and this unit
interrupted ・Keep the connection device close to this unit
・Please keep away from radio equipment or microwave ovens

Main unit LR:
Red light ON

Cannot hear ・Please press the multi function button to receive the callthe voice on
the phone ・Make sure that the Bluetooth device supports HSP

Main unit LR:
Blue light andPower OFFRed light flash
alternatively,
then red lightturns on and off

Unable tocharge・ Insert the charging cable to the charging terminal completely
・ Remove the main units from the charging case and place the mainunits in again
・ Remove dirt from the main units and charging case contacts
・ Charge within the charge temperature range (5°C to 40°C）

If the problem does not improve, please reset the main units. When the mainunits are reset, all paired device information is erased and it will be in the stateat the time of purchase. Please pair again.
1. Put the main unit L and R in the charging case.
2. Press and hold the multi function buttons of the main unit L and R for
approximately 13 seconds, and release when the blue indicator LED flashes.
3. Remove the main unit L and R from the charging case.
4. Please carry out pairing according to the procedure in 5 How to Use<Pairing and connecting>.

7 Specification
Type

Sealed dynamic type

Driver unit

Diameter 6mm

Audio frequency
response

20~20,000Hz

Power supply

Built-in rechargeable lithium ion battery

Using timeContinuous playback: approx. 7 hours,
Continuous standby: approx. 160 hours.
Charging case charge main units forapprox. 2 times*1

Generalspecification Charging time

Main Unit: Approx. 2 hours
Charging Case: Approx. 3 hours

Waterproof level

IPX5（Excluding the charging case）

WeightMain Unit: Approx. 4g x 2Charging Case: Approx. 24g

Accessories

Earpieces (S/M/L 2 units each)※ M size are attached to the main units.
Charging cable (USB-A-USB Micro-B
approx. 45cm) x1, instruction manual,
Quick start guide

Communication
methodCommunication
distance
Wireless
Supported profile
specification
Supported codecs

Bluetooth® Ver.5.0
Max. 10m
A2DP, AVRCP, HFP, HSP
SBC, aptXTM

Supported content
SCMS-T
protection
Multi-pairing

Max. up to 7 units*1: When the main units and the charging case are fully charged, the max. playback time is 21
hours, where 1 time by the charged main units and 2 times by charging from the charging
case. Total 3 times.
※Specifications and appearances are subject to change without prior notice for improvement.
※This device has a lithium ion battery built in. Usage time and battery charging time are basedon our test results. It depends on the usage environment.
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG,
Inc. and any use of such marks by Maxell Asia, Ltd. is under license. The names, logos, andservice marks are registered trademarks and trade names of maxell or their respective
owners.
Qualcomm® aptXTM audio is a product of Qualcomm Technologies International, Ltd.
aptXTMis a trademark of Qualcomm Technologies International, Ltd., registered in the United Statesand other countries, used with permission. Qualcomm® is a trademark of Qualcomm
Incorporated, registered in the United States and other countries, used with permission.

8 Discard This ProductCaution Disposal of rechargeable batteries in JapanThe built-in rechargeable battery can be recycled.
Do not remove the rechargeable battery yourself, pleasecontact our Customer Service Center.
Please refer to the JBRC website for information on
rechargeable battery collection / recycling and recycling
partners.

Maxell, Ltd.
30-13 Motoyoyogi-Cho, Shibuya-Ku, Tokyo 151-8527

PA1899-01