2AWNFMACHEAMackenzie Headphone

19-June-20211/2 ©2021Williams-Sonoma,Inc.A Williams-SonomaInc. AssemblyInstructions PotteryBarn–PotteryBarnTeen–PotteryBarnKids–WilliamsSonomaHome–WestElm–Rejuvenation–MarkandGraham MackenzieHeadphone UserManual Pleasereadthismanualcarefullybeforeoperatingthedeviceandsaveitforfurtherreference. Included 1.MackenzieHeadphone2.USBchargingcable3.Audiocable4.Manual ButtonFunction: IndicatorLightFunction: ChargingFunction: 1.Itcontainsabuilt-inrechargeablebattery.Beforethefirstuse,pleasefullychargetheheadphonetoensureoptimalperformanceandbatterylife. 2.ConnectthechargingcabletoanypoweredUSBport.Makesureitisfullypluggedin. NOTE:Operatingtheheadphonewhilechargingmayaffectthebatterylife. BluetoothPairing: 1.TurnontheBluetoothfunctiononthedevicethatyouwishtopair(i.e.smartphoneorothercompatibledevice).Somedevicesmayrequire selecting“SearchforDevices”or“AddNewDevice”inordertocreateaBluetoothpairing.Ifso,initiateamanualsearch. 2.Select“PBKHeadphones”onceitappearsonyourdevicescreen.Onceaconnectionisestablishedandthepairingiscomplete,theindicator lightwillturnblue. *TheheadphonemustbepairedwithaBluetoothoutputdevicebeforeitcanoperate. *Itisadvisedtoturnthevolumeonyourdeviceallthewaydownbeforeconnecting,thengraduallyincreasethevolumeuntilacomfortablelistening levelisreached. *Iftheheadphonedoesnotpairwithanydeviceafter3minutes,itwillturnoffautomaticallytosavepower. FunctionOperation Chargingport InsertthemicroUSBendofthechargingcableintothisportandconnecttheUSBendtopowersupplyto chargethebattery. Audiocableoutputport Inserttheaudiocableintothisporttoplaymusicthroughanon-Bluetoothdevice. IndicatorlightBlueorredlightindicatesoperationstatus.(See“IndicatorLightFunction”belowformoredetails.) MicThisisthesoundreceiverwhenansweringacall. 1.Poweron/off 2.Play/Pause/Answer call/hangupcall. Longpresstoturnthepoweronandoff. QuickpresstoPlay/Pause.Ifthereisanincomingcallontheconnecteddevice,quickpresstoanswerand pressagaintohangup. 1.Volume 2.Lastsong/Nextsong Longpresstoadjustvolume. Shortpressforlastsongornextsong. FunctionIndicatorlight PoweronBluelight Poweroff Redlightflashes Devicehasbeenturnedonandissearching.Blueandredlightflashesalternately. ConnectionSuccessBluelight LowbatteryRedlightflashes ChargeModeRedlightturnsonwhilecharging,andoffwhenchargingiscompleted. 19-June-20212/2 ©2021Williams-Sonoma,Inc.A Williams-SonomaInc. AssemblyInstructions PotteryBarn–PotteryBarnTeen–PotteryBarnKids–WilliamsSonomaHome–WestElm–Rejuvenation–MarkandGraham SafetyandCare: Whentheheadphoneisnotinuse,turnitoffandstoreinacoolanddryplace.Batteryperformancewillbeseverelydecreasedifstoredin extremetemperatures,includingindirectsunlight. Cleanwithasoftanddry(orslightlydamp)cloth.Avoidanyliquidleakingintotheseamsofthedevice.Neveruseanykindofchemicalcleaner. Donotattempttorepairordisassembleanyparttoavoidpermanentdamage. Donotplaceonanywetsurface.Donotusenearwater. Ifthedevicedoescomeincontactwithanyliquids,wipeawayasquickaspossible.Ifsubmergedinwater,donotturnthedeviceonuntil100% dry. Donotdroptheheadphoneonanyhardsurface.Thismaydamagetheproduct. Pressthefunctionbuttonsgently.Pressinghardcouldshortenthelifetimeofthebuttons. DonotplacethespeakernearaTV,speakers,wirelesstelephonesorotherobjectsthatgeneratestrongmagneticfields. Donotusearoundflammablegases,asfireorexplosionmayoccur. Donotblockanyventilationopenings. Donotoperatenearanyheatsourcessuchasradiators,heatregisters,stovesorotherapparatuses(includingamplifiers)thatproduceheat. Protectthepowercordfrombeingwalkedonorpinched,particularlyneartheplugandthepointwherethecordexitsfromtheheadphone. Useonlytheattachments/accessoriesthatcomewiththisdevice. Referallservicingtoqualifiedservicepersonnel.Servicingisrequiredwhenthedevicehasbeendamagedinanyway,includingwhenthe power-supplycordorplughasbeendamaged,objectshavefallenontothedevice,thedevicehasbeenexposedtorainormoisture,orthe devicehasbeendroppedordoesnotoperatenormally. FCCStatements: ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation. NOTE: ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuanttoPart15oftheFCCRules.Theselimits aredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.Thisequipmentgeneratesusesandcan radiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradio communications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmful interferencetoradioortelevisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrect theinterferencebyoneormoreofthefollowingmeasures: -Reorientorrelocatethereceivingantenna. -Increasetheseparationbetweentheequipmentandreceiver. -Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected. -Consultthedealeroranexperiencedradio/TVtechnicianforhelp. Caution:Changesormodificationstothisunitnotexpresslyapprovedbythepartyresponsibleforcompliancecouldvoidtheuse’sauthoritytooper atetheequipment. Thankyouforyourpurchase! stores|catalog|www.potterybarnkids.com 1.800.290.8181 The device has been evaluated to meet general RF exposure requirement. The devicecan be used in portable exposure condition without restriction.

SCS-F019:ConfidentialityRequestLetterPage 1 of 3 Rev7.0 775MontagueExpressway Milpitas,CA95035 Tel:408-526-1188 Fax:408-526-1088 Email:[email protected] Website:https://www.cps.bureauveritas.com/ Confidentiality RequestLetter ReasonforAmendment(current/obsolete) RevisionHistory ApprovedDate FromTo InitialRelease(obsolete)1.01.0Nov-14-2006 AddingCFR2.459(obsolete)1.02.0August–11-2008 Updatedcompanytemplate&Addedtext box(obsolete) 2.03.0Jan-31-2012 AddedICconfidentialityletterform (obsolete) 3.04.0March-26-2015 CorrectionstoSTCform.Addedreference toKDB(obsolete) 4.05.0Nov-19-2015 Updatedcompanylogo(current)5.06.0Jun-26-2019 UpdatedReferencesandContactInfo6.07.0Aug-30-2020 SCS-F019:ConfidentialityRequestLetterPage 2 of 3 Rev7.0 SHENZHENVITALTRADINGCOLTD (2021-07-28) To: FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046-1609 Cc: BureauVeritasConsumerProductsServicesInc. 775MontagueExpressway Milpitas,CA95035 Subject:ConfidentialityRequestforFCCID:2AWNFMACHEA PursuanttoCFR47sections0.457and0.459,werespectfullyrequestpermanentconfidentialtreatmentofthe followingExhibitsaccompanyingthisapplicationbeheldconfidential: TypeofConfidentialityRequestedExhibit ShortTermPermanentBlockDiagram ShortTermExternalPhotos ShortTermPermanent i InternalPhotos ShortTermPermanentOperationalDescription/TheoryofOperation ShortTermPermanentPartsList ShortTermPermanentTune-UpProcedure ShortTermPermanentSchematics ShortTermTestSetupPhotos ShortTermPermanent i User’sManual Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedtothepublic. Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovideunjustifiedbenefitstoits competitors. PermanentConfidentiality: Theapplicantrequeststheexhibitslistedaboveaspermanentlyconfidentialbepermanentlywithheldfrom publicreviewduetomaterialsthatcontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic. Short-TermConfidentiality: Toavoidprematurereleaseofsensitiveinformationpriortomarketingorreleaseoftheproducttothepublic,the applicantrequeststhefollowingdocumentscontainedinthiscertificationapplicationbetemporarilywithheld frompublicdisclosureforaninitialperiodof45or180days;orforaspecifieddateofnottoexceed 180daysfromtheGrantDate Theapplicantunderstandsthatdisclosureofthisapplicationandallaccompanyingdocumentationwillnotbe madebeforethedateoftheGrantforthisapplication. SCS-F019:ConfidentialityRequestLetterPage 3 of 3 Rev7.0 Sincerely, AceChan SHENZHENVITALTRADINGCOLTD RM2705BLOCKAOFHARBINMANSION,NO.7045BEIHUANRD,LIANHUASTREET, FUTIANDISTRICT,SHENZHEN i PermanentconfidentialitymayberequestedinaccordancewithFCCKDB726920

SHENZHENVITALTRADINGCOLTD Declarationonmodeldifference Wetheundersignedherebyconfirmthatthesemodelsareidentical,andallmodelshavethe sameRFmoduleandantenna,PCBlayout,schematicsandcomponent.Exceptforthedifferent modelandshellcolors. Production name FCCIDBrandModelno. Mackenzie Headphone 2AWNFMACHEAPBK3146967, 7914694, 548076, 8019035 Sincerely, AceChan SHENZHENVITALTRADINGCOLTD RM2705BLOCKAOFHARBINMANSION,NO.7045BEIHUANRD,LIANHUA STREET,FUTIANDISTRICT,SHENZHEN

ANT

RFEXPOSUREEVALUATION EUTSpecification EUTMackenzieHeadphone ModelNumber3146967,7914694,548076,8019035 FCCID2AWNFMACHEA Antennagain(Max)-0.58dBi OperationFrequencyBT:2402-2480MHz InputRatingDC3.7VBattery ClassificationPer StipulatedTestStandard §15.247(i),§2.1093 Modulation GFSK,π/4-DQPSK Max.outputpower-2.44dBm(0.0006W) TestRequirement: Accordingto§15.247(i)and§1.1307(b)(1),systemsoperatingunderthe provisionsofthissectionshallbeoperatedinamannerthatensuresthatthe publicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines. RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualityforTCBapproval. OneantennaisavailablefortheEUT.Theminimumseparationdistanceis 5mm. BTDSS: AccordingtoKDB447498,nostand-alonerequiredforBTantenna,andno simultaneousSARmeasurementisrequired. Signature: AlanHe Date:2021-07-29 Transmit Frequency (MHz) Mode Measured Power (dBm) Tuneup Power (dBm) Maxtuneup power(dBm) Calculation Result 1-g SAR 2402GFSK-2.63-3±1-20.1955903 2441GFSK-2.72-3±1-20.1971713 2480GFSK -3.53 -3±1-20.1987403 2402 Π/4-DQ PSK -2.44-2±1-10.2462073 2441 Π/4-DQ PSK -2.46-2±1-10.2481983 2480 Π/4-DQ PSK -3.23-3±1-20.1987403

Report No.: EA21070232F01001 1 of 74 DongGuan Anci Electronic Technology Co., Ltd 1-2 Floor, Building A, No.11, Headquarters 2 Road, Songshan Lake Hi-tech Industrial Development Zone, Dongguan City, Guangdong Pr., China. Phone: 86-769- 8507 5888; Fax: 86-769- 8507 5898 E-mail: [email protected] Rev. 1.0 ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT INTENTIONAL RADIATOR CERTIFICATION TO FCC PART 15 SUBPART C REQUIREMENT OF Mackenzie Headphone Model No.: 3146967, 7914694, 548076, 8019035 Trademark: PBK FCC ID: 2AWNFMACHEA Report No.: EA21070232F01001 Issue Date: July 24, 2021 Prepared for SHENZHEN VITAL TRADING CO LTD RM2705 BLOCK A OF HARBIN MANSION, NO. 7045 BEIHUAN RD, LIANHUA STREET, FUTIAN DISTRICT, SHENZHEN Prepared by Dong Guan Anci Electronic Technology Co., Ltd. 1-2 Floor, Building A, No.11, Headquarters 2 Road, Songshan, Lake Hi-tech Industrial Development Zone, Dongguan City, Guangdong Pr., China. This report shall not be reproduced, except in full, without the written approval of Dong Guan Anci Electronic Technology Co., Ltd. Report No.: EA21070232F01001 2 of 74 TRF No.: FCC 15.247/A Rev. 1.0 VERIFICATION OF COMPLIANCE Applicant: SHENZHEN VITAL TRADING CO LTD RM2705 BLOCK A OF HARBIN MANSION, NO. 7045 BEIHUAN RD, LIANHUA STREET, FUTIAN DISTRICT, SHENZHEN Manufacturer: SHENZHEN VITAL TRADING CO LTD RM2705 BLOCK A OF HARBIN MANSION, NO. 7045 BEIHUAN RD, LIANHUA STREET, FUTIAN DISTRICT, SHENZHEN Product Description: Mackenzie Headphone Trade Mark: PBK Model Number: 3146967, 7914694, 548076, 8019035 (All models are identical except for the different shell colors. We choose model:8019035 for all tests.) We hereby certify that: The above equipment was tested by Dong Guan Anci Electronic Technology Co., Ltd.The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C63.10-2013 and the energy emitted by the sample EUT tested as described in this report is in compliance with conducted and radiated emission limits of FCC Rules Part 15.247(2020). Date of Test : July 15, 2021 to July 23, 2021 Prepared by : Tomas Yang/Supervisor Reviewer & Authorized Signer : Alan He/Manager Report No.: EA21070232F01001 3 of 74 TRF No.: FCC 15.247/A Rev. 1.0 Modified Information Version Summary Revision Date Report No. Ver.1.0 Original Report / EA21070232F01001 Report No.: EA21070232F01001 4 of 74 TRF No.: FCC 15.247/A Rev. 1.0 Table of Contents 1. GENERAL INFORMATION ......................................................................................................... 6 1.1 PRODUCT DESCRIPTION ............................................................................................................................. 6 1.2 TEST METHODOLOGY ................................................................................................................................. 6 1.3 TEST FACILITY ............................................................................................................................................. 7 2. SYSTEM TEST CONFIGURATION............................................................................................... 8 2.1EUT CONFIGURATION ................................................................................................................................. 8 2.2 EUT EXERCISE..................................................................................................................................... 8 2.3 TEST PROCEDURE..................................................................................................................................... 8 2.4CONFIGURATION OF TESTED SYSTEM ........................................................................................................ 9 3. SUMMARY OF TEST RESULTS ................................................................................................. 10 4. DESCRIPTION OF TEST MODES .............................................................................................. 11 5. TEST SYSTEM UNCERTAINTY .................................................................................................. 12 6. CONDUCTED EMISSIONS TEST ............................................................................................... 13 6.1MEASUREMENT PROCEDURE: ................................................................................................................... 13 6.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ......................................................................... 13 6.3MEASUREMENT EQUIPMENT USED: .......................................................................................................... 13 6.4 MEASUREMENT RESULT: .......................................................................................................................... 13 CONDUCTED MEASUREMENT PHOTOS: ......................................................................................................... 15 6.5 CONDUCTED MEASUREMENT PHOTOS: ................................................................................................... 16 7. RADIATED EMISSION TEST ....................................................................................................... 17 7.1MEASUREMENT PROCEDURE .................................................................................................................... 17 7.2TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) .......................................................................... 19 7.3 MEASUREMENT EQUIPMENT USED: ......................................................................................................... 20 7..4 RADIATED EMISSION LIMIT ...................................................................................................................... 21 7.5 MEASUREMENT RESULT ......................................................................................................................... 22 7.5 RADIATED MEASUREMEN…

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