2BDQB-B36Bluetooth headset

Instrukcje Parowanie i połączenie 1. Naciśnij i ” “ przytrzymaj przez trzy sekundy, aż zobaczysz migające na przemian czerwone i niebieskie światła, a następnie zwolnij je Słuchawki wchodzą w tryb parowania. 2. Włącz funkcję Bluetooth telefonu, wyszukaj nazwę parowania słuchawek Bluetooth i wybierz model produktu Możesz się parować i łączyć. Po pomyślnym połączeniu lampka wskaźnika Bluetooth na słuchawkach miga powoli. (1) Kluczowe instrukcje obsługi - ① Długie naciśnięcie przez trzy sekundy, aby włączyć i wyłączyć - ② Odbieraj połączenia w trybie bezprzewodowym. Krótkie naciśnięcie, aby odpowiedzieć na telefon; Długie naciśnięcie, aby odmówić słuchania, naciśnij dwa razy z rzędu, aby ponownie wybrać. - ③ Odtwarzanie: Krótkie naciśnięcie: Play/Pause - ① W trybie bezprzewodowym/MP3 krótko naciśnij: Poprzedni; Długa prasa: głośność... - ① W trybie bezprzewodowym/MP3 krótko naciśnij: następny; Długa prasa: volumt+ (2) Światło wskaźnikowe LED ① Tryb bezprzewodowy: W trybie parowania czerwone i niebieskie światło miga naprzemiennie, a niebieskie światło miga powoli po sparowaniu. ② W trybie MP3: niebieskie światło będzie migać powoli podczas odtwarzania; ③ Tryb ładowania: Czerwone światło pozostaje stale włączone podczas ładowania i wyłącza się po pełnym naładowaniu. INSTRUCTIONS Pairing and Connection 1. Press and hold the " " for three seconds, and when you see the red and blue lights flashing alternately, release it. At this time, the headphones enter pairing mode. 2. Turn on the Bluetooth function of your phone, search for the pairing name of the Bluetooth earphone, select the product model to pair and connect. After a successful connection,The Bluetooth indicator light on the earphones is flashing slowly. (1)KeyOperating Instructions —① Long press three seconds is power on.off —② In Wireless mode when get the calling. Short Press is answer the calls; Long Press is Refuse to listen continuous push 2 times is redial. —③ Playing: Short Press:Play/Pause； —① In Wireless/MP3 mode,Short Press:Previous;Long Press:volume- —① In Wireless/MP3 mode,Short Press:next;Long Press:volumet+ (2)LED Indicator ① Wireless mode:Pairing status flashing red and blue light alternately,after pairing the blue light slow flashing. ② In MP3 mode:the blue light will slow flashing when playing; ③ In charging mode:the red light is on steadily when charging,when it's fully charged,the red light will be off. INSTRUCCIONES Emparejamiento y conexión 1. Presione el " " durante tres segundos y suelte cuando vea que los semáforos rojos y azules parpadean alternativamente, cuando los auriculares entren en el modo de emparejamiento. 2. abra la función Bluetooth del teléfono móvil, busque el nombre de emparejamiento de auriculares Bluetooth y elija el modelo de producto para emparejar la conexión. Cuando la conexión es exitosa, El indicador Bluetooth de los auriculares parpadea lentamente. (1) instrucciones de operación de teclas - ① presione tres segundos durante mucho tiempo para encender y apagar - ② contesta el teléfono en modo inalámbrico. El toque corto es para contestar el teléfono; Presionar largo es negarse a escuchar, y presionar dos veces seguidas es redial. - ③ reproducción: pulsación corta: reproducción / pausa - ① en modo inalámbrico / mp3, presione corto: anterior; presione largo: Volume - - ① en el modo inalámbrico / mp3, presione brevemente: siguiente; Presión larga: volumet + (2) Luz LED ① modo inalámbrico: Parpadeo alternativo de rojo y azul en el Estado emparejado, y la luz azul parpadea lentamente después del emparejamiento. ② en modo mp3: la luz azul parpadeará lentamente cuando se reproduzca; ③ modo de carga: la luz roja se enciende constantemente durante la carga y la luz roja se apaga después de la carga completa. ANLEITUNGEN Kopplung und Verbindung 1. Halten Sie das Symbol " " drei Sekunden lang gedrückt. Wenn die roten und blauen Lichter abwechselnd blinken, lassen Sie es los. Zu diesem Zeitpunkt gehen die Kopfhörer in den Kopplungsmodus. 2. Schalten Sie die Bluetooth-Funktion Ihres Telefons ein, suchen Sie nach dem Kopplungsnamen des Bluetooth-Kopfhörers, wählen Sie das Produktmodell aus, das Sie koppeln und verbinden möchten. Nach erfolgreicher Verbindung,Die Bluetooth-Kontrollleuchte an den Kopfhörern blinkt langsam. (1)SchlüsselBedienungsanleitung -① Lange Presse drei Sekunden ist Power on.off -② Im Wireless-Modus, wenn Sie den Anruf erhalten. Short Press ist die Antwort auf die Anrufe; Long Press ist Verweigern Sie das Hören ununterbrochener Push 2-mal ist Wiederholung. -③ Spielen: Kurz drücken:Play/Pause; -① Im Wireless-/MP3-Modus, kurze Drücken:Vorherige;Lange Drücken:Lautstärke- -① Im drahtlosen/MP3-Modus, kurze Drücken: weiter; Langpresse: volumet+ (2)LED-Anzeige ① Drahtloser Modus: Paarungsstatus blinkt abwechselnd rot und blau, nachdem das blaue Licht langsam blinkt. ② Im MP3-Modus: das blaue Licht wird beim Spielen langsamer blinken; ③ Im Lademodus: Das rote Licht leuchtet beim Laden gleichmäßig, wenn es vollständig aufgeladen ist, ist das rote Licht ausgeschaltet. INSTRUCTIONS Appariement et connexion 1, maintenez enfoncé le " " pendant trois secondes pour voir le voyant rouge et bleu clignotant alternativement lorsque vous le relâchez, à ce moment - là, le casque entre en mode d'appariement. 2, ouvrez la fonction Bluetooth du téléphone, recherchez le nom d'appariement du casque Bluetooth, sélectionnez le modèle de produit pour la connexion d'appariement. Lorsque la connexion est réussie, Le voyant Bluetooth du casque clignote lentement. (1) Instructions pour le fonctionnement des touches - ① appuyez longuement sur trois secondes pour allumer et éteindre - ② répondre aux appels en mode sans fil. Un appui Court est pour répondre au téléphone; Une pression longue est un refus d'écouter, deux pressions consécutives sont une recomposition. - ③ Play: presse courte: Play / pause - ① en mode sans fil / MP3, appuyez brièvement sur: précédent; appuyez longuement sur: volume - - ① en mode sans fil / …

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CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BDQB-B36B36,B37,B38,B41,B42,B43,B44,B45,B46, B47,B48,B49,B50 We, Applicant CompanyName:ShantoucityChaoyangdistrictGuraotown Lanxinelectronicsfactory Address:ShantouChaoyangdistrictGulaotown Xinguangwatetfactoryroadsouth, Shantou,China Phone:18576721496 certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-12-09 SignatureDate PrintedNameofSignee:lichunChen Company:ShantoucityChaoyangdistrict GuraotownLanxinelectronicsfactory Phone:18576721496 Email:[email protected] Address:ShantouChaoyangdistrictGulao townXinguangwatetfactoryroadsouth, Shantou,China Fax:N/A

ShantoucityChaoyangdistrictGuraotownLanxinelectronicsfactory ShantouChaoyangdistrictGulaotownXinguangwatetfactoryroadsouth,Shantou,China Date:2025-12-09 FCCID:2BDQB-B36 ModelNumber:B36,B37,B38,B41,B42,B43,B44,B45,B46,B47,B48,B49,B50 To:FederalCommunicationCommission AuthorizationandEvaluationDivision7435OaklandMillsRoad Columbia,MD21048 ToWhomItMayConcern, We,ShantoucityChaoyangdistrictGuraotownLanxinelectronicsfactoryherebydeclare thatourproduct(WirelessDoorbell ) ModelNumber:B36,B37,B38,B41,B42,B43,B44, B45,B46,B47,B48,B49,B50electricalidentical,theSchematic,PCBlayout,structureand softwarearesame,onlythedifferenceisthemodelnameandcolorformarketpurpose. Shouldyouhaveanyquestionsorcommentsregardingthismatter,pleasehave mybestattention. Sincerely, (Signed) Name/Title:lichunChen/Manager Company:ShantoucityChaoyangdistrictGuraotownLanxinelectronicsfactory Address:ShantouChaoyangdistrictGulaotownXinguangwatetfactoryroadsouth, Shantou,China Phone:18576721496 FaxNumber:N/A E-Mail:[email protected]

ConfidentialityRequestLetter ForCertificationServiceintheUSA FederalCommunicationCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoParagraphs§0.457and0.459oftheCommission’sRules(47C.F.R.)andSection §552(b)(4)oftheFreedomofInformationAct,werequestconfidentialityforthe documentationofthefollowingproducts: FCCIDModelname 2BDQB-B36B36,B37,B38,B41,B42,B43,B44,B45,B46, B47,B48,B49,B50 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-12-09 SignatureDate PrintedNameofSignee/Title:lichunChen/Manager Company:ShantoucityChaoyangdistrictGuraotownLanxin electronicsfactory Address:ShantouChaoyangdistrictGulaotownXinguangwatet factoryroadsouth,Shantou,China Phone:18576721496 Fax:-- Email:[email protected]

ReportNo.:CISRR25112521601 Page 58 of 61 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR25112521601 Page 59 of 61

Label Size:30mm*20mm Bluetooth headset Model No.:B36 FCC ID:2BDQB-B36 Label Location

ReportNo.:CISRR25112521601 Page 60 of 61 9.2.InternalPhotos ANT ReportNo.:CISRR25112521601 Page 61 of 61 ------Endofthereport-----

ReportNo.:CISRR25112521602 Reporttemplateversion:CISE-TR-001-A0Page:1of5 TESTREPORT RFExposureEvaluation ReportNo.CISRR25112521602 ProjectNo.CISR251125216 FCCID2BDQB-B36 ApplicantShantoucityChaoyangdistrictGuraotownLanxinelectronicsfactory Address ShantouChaoyangdistrictGulaotownXinguangwatetfactoryroad south,Shantou,China ManufacturerShantoucityChaoyangdistrictGuraotownLanxinelectronicsfactory Address ShantouChaoyangdistrictGulaotownXinguangwatetfactoryroad south,Shantou,China ProductNameBluetoothheadset Trademark- Model/TypereferenceB36 ListedModel(s)B37,B38,B41,B42,B43,B44,B45,B46,B47,B48,B49,B50 Standard 47CFRPart2.1093 DateofsamplereceiptNovember27,2025 TestdateNovember27,2025toDecember2,2025 IssuedateDecember2,2025 TestresultComplied Reviewedby:LucasHuang Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.:CISRR25112521602 Reporttemplateversion:CISE-TR-001-A0Page:2of5 1.APPLICABLESTANDARD 47CFRPart2.1093:Radiofrequencyradiationexposureevaluation:portabledevices ANSIC95.1–3999:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequency ElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevicesRF ExposureProceduresandEquipmentAuthorizationPolicies. 47CFRPart1.1307:Actionsthatmayhaveasignificantenvironmentaleffect,forwhichEnvironmental Assessments(EAs)mustbeprepared. 2.REPORTVERSION VersionNo.IssuedateDescription 00December2,2025Original ReportNo.:CISRR25112521602 Reporttemplateversion:CISE-TR-001-A0Page:3of5 3.RADIOSPECIFICATIONDESCRIPTION Bluetooth Supportedtype:BREDRLE-1Mbps LE-2Mbps Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS ThesedevicesuseasingletransmittermoduleandantennaforbothBluetooth. ReportNo.:CISRR25112521602 Reporttemplateversion:CISE-TR-001-A0Page:4of5 5.TESTRESULT 5.1.Standalonetransmission Limit: KDB447498D01v06,Clause4.3.1a) For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-g SARtestexclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation31The resultisroundedtoonedecimalplaceforcomparison Thevalues3.0and7.5arereferredtoasnumericthresholdsinstepb)below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm, andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto4.1f)isappliedtodetermine SARtestexclusion. Result: Passed TestData Radiotype Frequency (GHz) Maximum output power #1 (dBm) Antenna gain #2 (dBi) Maximum EIRP #3 (dBm) Maximum tune-up EIRP(dBm) Minimum distance (mm) Evaluated value LimitResult BT2.402-1.52-0.58-2.10-15.000.25023.00PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.:CISRR25112521602 Reporttemplateversion:CISE-TR-001-A0Page:5of5 5.2.Simultaneoustransmission Limit: KDB447498D01v06,Clause4.3.2,47CFRPart1.1307 InthecaseofxedRFsourcesoperatinginthesametime-averagingperiod,orof multiplemobileorportableRFsourceswithinadeviceoperatinginthesametime averagingperiod,ifthesumofthefractionalcontributionstotheapplicablethresholds islessthanorequalto1asindicatedinthefollowingequation. Where a=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(B)ofthissectionforP,includingexistingexempttransmittersandthosebeing added. b=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(C)ofthissectionforThresholdERP,includingexistingexempttransmittersand thosebeingadded. c=numberofexistingfixed,mobile,orportableRFsourceswithknownevaluationforthespeci edminimumdistanceincludingexistingevaluatedtransmitters. P j =theavailablemaximumtime-averagedpowerortheERP,whicheverisgreater,forxed, mobile,orportableRFsourceiatadistancebetween0.5cmand40cm(inclusive). P th,j =theexemptionthresholdpower(P)accordingtoparagraph(b)(3)(i)(B)ofthissectionfor xed,mobile,orportableRFsourcei. ERP j =theERPoffixed,mobile,orportableRFsourcej. ERP th,j =exemptionthresholdERPforfixed,mobile,orportableRFsourcej,atadistanceofat leastλ/2πaccordingtotheapplicableformulaofparagraph(b)(3)(i)(C)ofthissection. Evaluated k =themaximumreportedSARorMPEoffixed,mobile,orportableRFsourcekeither inthedeviceoratthetransmittersitefromanexistingevaluationatthelocationofexposure. ExposureLimit k =eitherthegeneralpopulation/uncontrolledmaximumpermissibleexposure (MPE)orspecicabsorptionrate(SAR)limitforeachxed,mobile,orportableRFsourcek, asapplicablefrom§1.1310ofthischapter. Result: NotApplicable --------EndofReport--------

Inverted F Antenna Specification Summary ITEMANT SPEC Model Name 2.4G ANT HorizontalVertical 2400MHz 24 00MHz 2500MHz 2400MHz 2400MHz 2500MHz Center Frequency -1.26-0.76-0.58-5.25-2.46-1.86 MAX. Gain -0.58dBi PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length 38.20mm Manufacture Antenna Photo & Length (mm) Jiangmen Yongxu Circuit Board Co., Ltd. Add:Fengtang Avenue, Fuyongtai Community, Bao'an District, Shenzhen. Building 5, Xunyuan Zhichuanggu, 103. Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(d B) Frequency (MHz) MaxMinAvg 2400-1.26174-30.0801-7.18716 2450-0.765802-36.5604-7.48023 2500-0.585582-22.0315-6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

ReportNo.:CISRR25112521601 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of54 TESTREPORT ReportNo.CISRR25112521601 ProjectNo.CISR251125216 FCCID2BDQB-B36 ApplicantShantoucityChaoyangdistrictGuraotownLanxinelectronicsfactory Address ShantouChaoyangdistrictGulaotownXinguangwatetfactoryroad south,Shantou,China ManufacturerShantoucityChaoyangdistrictGuraotownLanxinelectronicsfactory Address ShantouChaoyangdistrictGulaotownXinguangwatetfactoryroad south,Shantou,China ProductNameBluetoothheadset Trademark- Model/TypereferenceB36 ListedModel(s)B37,B38,B41,B42,B43,B44,B45,B46,B47,B48,B49,B50 Standard 47CFRPart15.247 DateofsamplereceiptNovember27,2025 TestdateNovember27,2025toDecember2,2025 IssuedateDecember2,2025 TestresultComplied Reviewedby:LucasHuang Approvedby:HansHu ReportNo.:CISRR25112521601 Page 2 of 54 Contents 1.STANDARDANDAPPLICABLETESTMETHODS........................................................................................3 2.REPORTVERSION..........................................................................................................................................3 3.TESTDESCRIPTION.......................................................................................................................................4 4.SUMMARY........................................................................................................................................................5 4.1.ProductDescription*..................................................................................................................................5 4.2.RadioSpecificationDescription*..............................................................................................................5 4.3.ModificationofEUT.....................................................................................................................................6 4.4.Deviationfromstandards...........................................................................................................................6 4.5.TestingSite...................................................................................................................................................6 5.TESTCONFIGURATION.................................................................................................................................7 5.1.Testfrequencylist.......................................................................................................................................7 5.2.Descriptionsoftestmode...........................................................................................................................7 5.3.Testsampleinformation.............................................................................................................................7 5.4.Environmentalconditions...........................................................................................................................7 5.5.Statementofthemeasurementuncertainty.............................................................................................7 5.6.EquipmentUsedduringtheTest................................................................................................................8 6.TESTRESULTS.............................................................................................................................................10 6.1.EvaluationResults(Evaluation)...............................................................................................................10 6.1.1.AntennaRequirement............................................................................................................................10 6.2.RadioSpectrumMatterTestResults(RF)...............................................................................................11 6.2.1.ConductedEmissionatACpowerline.................................................................................................11 6.2.2.MaximumConductedOutputPower.....................................................................................................14 6.2.3.ChannelSeparation................................................................................................................................15 6.2.4.NumberofHoppingFrequencies..........................................................................................................16 6.2.5.DwellTime...............................................................................................................................................17 6.2.6.Conductedbandedgeandspuriousemission...................................................................................19 6.2.7.Radiatedbandedgeemission...............................................................................................................21 6.2.8.RadiatedSpuriousEmission(below1GHz).........................................................................................27 6.2.9.RadiatedSpuriousEmission(Above1GHz)........................................................................................31 7.APPENDIXREPORT......................................................................................................................................39 7.1.20dBBandwidth.........................................................................................................................................39 7.2.ConductedOutputPower.........................................................................................................................41 7.3.DutyCycle..................................................................................................................................................44 7.4.NumberOfHoppingChannel...................................................................................................................46 7.5.CarrierFrequenciesSeparat…

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ReportNo.:CISRR25112521601 Page 56 of 61 8.TESTSETUPPHOTOS ConductedEmissionatACpowerline Radiatedbandedgeemission ReportNo.:CISRR25112521601 Page 57 of 61 RadiatedSpuriousEmission(below1GHz) RadiatedSpuriousEmission(Above1GHz)