Monster MH21903 User guide

Brand: Monster

Model: MH21903

Type: User guide

Monster MH21903 true wireless earphones offer a superior audio experience with active noise cancellation and transparency mode. Enjoy crystal-clear calls and immersive music with powerful drivers and a secure, comfortable fit. Seamlessly connect to your devices via Bluetooth and activate voice assistants with a triple-click. Experience superior sound and convenience with Monster MH21903.

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ModelNo.:MH21903

FCCID:2AVD2‐MH21903

Quick Start Guide

Please read this Quick Start Guide carefully and keep it for future use.

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Product Overview

In‐earEarphones(left&right)

ChargingCase

USB‐CChargingCable

EarTips×3pairs(Msizeinstalled)

QuickStartGuideandWarrantyLetter

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1.MultiFunctionButton（MFB）

2.IndicatorLight(White)

3.Microphones

4.EarTip

5.USB‐CChargingPort

6.Pair/ResettoFactorySettingsButton

7.ChargingCase

8.ChargingCaseIndicatorLight



PowerOn/Off

Theearphoneswillbeturnedonwhenopeningthechargingcase.Toturnofftheearphones,putback

tothechargingcaseandclose.Earphoneswillbeturnedoffandstartcharging.



NoiseCancellationOn/Off

PressandholdtheMFBforabout2secondstoswitchdifferentmode.

[NoiseCancellationOn]–[TransparencyMode]–[NoiseCancellationOff]

TransparencyMode 請看看有沒有相關的註冊商標權

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Chargingcase

ConnecttheincludedUSB‐Ccabletochargethechargingcase.Duringthechargingprocess,the

chargingcaselightindicatorwillshowthecurrentchargestatus.Whenthechargingcaseisfully

charged,thelightwillturnoff.



Pairing

Openthechargingcase,theearphoneswillbeturnedonautomatically.Leftandrightearphones

willbeconnectedautomaticallywithinfewseconds.Then“pairing”voicepromptwillbeheard.

Fornewdeviceconnection,gototheBluetoothsettingsonyourdeviceandsetittosearchfor

newdevices(newMonsterdevice).Oncetheearphonesarepairedtothedesignateddevice,you

willhear“connected”.



Connectotherdevices

Keeptheearphonesinthechargingcaseandleavethecoveropen.Pressandholdthepair

buttonwhichislocatedonthebottomofthechargingcaseforabout2secondsuntilthelight

indicatorstarttoflash.Itisnowinpairingmode.ActivatetheBluetoothonyourdeviceandsetit

tosearchfornewdevices.



VolumeControl

Theearphonesdonothavevolumecontrolfunction.AfterBluetoothconnection,volumelevel

canbecontrolledontheconnecteddevice.



Calling

Answer/Endcall:ClicktheMFB.

Rejectacall:Double‐clicktheMFB.



Music

Play/Pausemusic:ShortpresstheMFB.

Previoussong:Double‐clicktheMFBontheleftearphone.

Nextsong:Double‐clicktheMFBontherightearphone.



VoiceControl

Afterconnectingtothephone,triple‐clicktheMFBquicklytoactivatethevoiceassistant.



LEDIndicatorGuide

ModeDescriptionVoiceprompts

PowerOn

Indicatorlightstaysonabout1second.

“PowerOn”

PowerOff

Indicatorlightstaysonabout1second.

“PowerOff”

Pairing

Indicatorlightflashesquickly.

“Pairing”

ConnectedAfterconnected,Indicatorlightgoesoff.“Connected”

Earphonescharging

Whenleftearphonesischarging,theleft

indicatorlightison.

‐

Whenrightearphonesischarging,theright

indicatorlightison.

Whenbothearphonesarecharging,theleftand

rightindicatorlightsareonrespectively.

Chargingcase

Chargingcaseindicatorlightflasheswhile

charging.Whenchargingcaseindicatorlightis

off,itisfullycharged.

‐

Note:

*Afterremovingtheearpiecesfromthechargingcase,withoutpressinganybuttons,theleftand

rightearpieceswillconnectautomatically.Ifthereisnoconnectionfound,itenterstopairing

modeautomatically.

*Pleaseputtheearphonesinthecorrectpositiontocharge.

*Itisnotrecommendedtoreplacethebatteryprivately.

*Thebattery(batterypackorcombinationbattery)mustnotbeexposedtoexcessiveheatsuch

assunlightorfire.

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

FCCStatement

Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecould

voidtheuser'sauthoritytooperatetheequipment.

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

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.

RFwarningstatement:

 ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.Thedevice

 canbeusedinportableexposureconditionwithoutrestriction.

Monster MH21903 User guide

Monster MH21903 User guide

Monster MH21903 User guide

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