2BLT4-F5Bluetooth Headset

User Manual F5 How to Wear *Hold the headset with both hands and gently place it in a comfortable position around your ears to enjoy your music. *Please wear the headset correctly. The speaker unit should be positioned as close to the ear canal as possible. Incorrect wearing may affect sound quality. EN JP DE ES FR *両手でイヤホンを広げ、耳にかけて快適な位置に調整してください。 音楽をお楽しみいただけます。*イヤホンは正しく装着してください。 スピーカー部分をできるだけ耳道に近づけてください。装着方法が正 しくない場合、音質に影響する可能性があります。 *Halten Sie die Kopfhörer mit beiden Händen auseinander und setzen Sie sie in eine bequeme Position um die Ohren. *Achten Sie auf die richtige Trageweise. Die Lautsprechereinheit sollte möglichst nah am Gehörgang positioniert werden. Eine falsche Position kann die Klangqualität beeinträchtigen. *Sujete los auriculares con ambas manos y colóquelos suavemente alrededor de las orejas en una posición cómoda. *Asegúrese de colocarlos correctamente. La parte del altavoz debe estar lo más cerca posible del canal auditivo. Un uso incorrecto puede afectar la calidad del sonido. *Tenez le casque avec les deux mains et placez-le autour des oreilles dans une position confortable. *Assurez-vous de porter correctement le casque. Le haut-parleur doit être positionné le plus près possible du conduit auditif. Un mauvais positionnement peut affecter la qualité sonore. IT *Tenez le casque avec les deux mains et placez-le autour des oreilles dans une position confortable. *Assurez-vous de porter correctement le casque. Le haut-parleur doit être positionné le plus près possible du conduit auditif. Un mauvais positionnement peut affecter la qualité sonore. How to Use Power On: Press and hold the power button for 2 seconds until the blue indicator l ight turns on. You will hear the voice prompt: “Power On”. Power Off: Press and hold the power button for 2 seconds. You will hear the voice prompt: “Power Off”. EN JP 電源オン： 電源ボタンを約2秒間長押しすると青色のインジケーターが点灯し、 音声ガイダンス「電源オン」が流れます。 Headset Diagram Power Button Power On / Off Right Ear Power Button Indicator Light Left Ear Function Button DE ES FR IT 電源オフ： 電源ボタンを約2秒間長押しすると、音声ガイダンス「電源オフ」 が流れます。 Einschalten: Halten Sie die Ein/Aus-Taste etwa 2 Sekunden gedrückt, bis die blaue Anzeige leuchtet.Sie hören die Sprachansage „Power On“. Ausschalten: Halten Sie die Ein/Aus-Taste etwa 2 Sekunden gedrückt.Sie hören die Sprachansage „Power Off“. Encender: Mantenga presionado el botón de encendido durante 2 segundos hasta que se encienda la luz azul.Escuchará el aviso de voz “Power On”. Apagar: Mantenga presionado el botón de encendido durante 2 segundos. Escuchará el aviso de voz “Power Off”. Allumer : Maintenez le bouton d’alimentation enfoncé pendant 2 secondes jusqu’à ce que le voyant bleu s’allume.Vous entendrez l’annonce vocale « Power On ». Éteindre : Maintenez le bouton d’alimentation enfoncé pendant 2 secondes. Vous entendrez l’annonce vocale « Power Off ». Accensione: Tenere premuto il pulsante di accensione per 2 secondi finché la spia blu si accende.Si sentirà il messaggio vocale “Power On”. Spegnimento: Tenere premuto il pulsante di accensione per 2 secondi.Si sentirà il messaggio vocale “Power Off”. Function Operation EN No. Function Operation Voice Prompt Short press the power button (Right ear) Short press the power button (Right ear) Play / Pause Answer / Hang Up Reject Call Voice Assistant Game Mode Spatial Sound Triple press the function button (Left ear) Previous Track Next Track Volume + Volume – Triple press the power button (Right ear) Press and hold the power button (Right ear) Double press the power button (Right ear) Short press the function button (Left ear) Press and hold the function button (Left ear) 2s Double press the function button (Left ear) Quadruple press the function button (Left ear) 3 7 6 5 4 8 9 10 11 12 Press and hold the power button (Right ear) for 2s 1 Power On 2 Press and hold the power button (Right ear) for 2s Power Off Power On Power Off DuDu DuDu Game mode / Music mode Spatial sound ON / OFF JP 番号 機能 再生 / 一時停止 通話応答 / 終了 着信拒否 音声 空間 前曲 次曲 音量＋ 音量－ 3 7 6 5 4 8 9 10 11 12 1 電源 2 操作 電源（右耳）短押 電源（右耳）短押 機能（左耳）3回押 電源（右耳）3回押 電源（右耳）長押 電源（右耳）2回押 機能（左耳）短押 機能（左耳）2秒長押 機能（左耳）2回押 機能（左耳）4回押 電源（右耳）2秒長押 電源（右耳）2秒長押 電源 音声案内 電源 電源 DuDu DuDu / 音楽 空間音効 / DE Nr. Funktion Bedienung Ein/Aus-Taste kurz drücken (rechts) Ein/Aus-Taste kurz drücken (rechts) Wiedergabe / Pause Anruf annehmen / beenden Anruf ablehnen Sprachassistent Spielmodus Raumklang Funktionstaste dreimal drücken (links) Vorheriger Titel Nächster Titel Lautstärke + Lautstärke – Ein/Aus-Taste dreimal drücken (rechts) Ein/Aus-Taste gedrückt halten (rechts) Ein/Aus-Taste zweimal drücken (rechts) Funktionstaste kurz drücken (links) Funktionstaste (links) 2s gedrückt halten Funktionstaste zweimal drücken (links) Funktionstaste viermal drücken (links) 3 7 6 5 4 8 9 10 11 12 Ein/Aus-Taste (rechts) 2s gedrückt halten 1 Einschalten 2 Ein/Aus-Taste (rechts) 2s gedrückt halten Ausschalten Sprachhinweis Power On Power Off DuDu DuDu Spielmodus / Musikmodus Raumklang Ein / Aus ES N.º Función Operación Aviso de voz Pulsación corta del botón de encendido (derecha) Pulsación corta del botón de encendido (derecha) Reproducir / Pausa Responder / Colgar Rechazar llamada Asistente de voz Modo juego Sonido espacial Pulsar tres veces el botón de función (izquierda) Canción anterior Siguiente canción Volumen + Volumen – Pulsar tres veces el botón de encendido (derecha) Mantener presionado el botón de encendido (derecha) Pulsar dos veces el botón de encendido (derecha) Pulsar el botón de función (izquierda) Mantener presionado el botón de función (izquierda) 2s Doble pulsación del botón de función (izquierda) Pulsar cuatro veces el botón de función (izquierda) 3 7 6 5 4 8 9 10 11 12 Mantener presionado el botón de encendido (derecha) 2s 1 Encender 2 Mantener presionado el botón de encendido (derecha) 2s Apagar Power On Power Off DuDu DuDu Modo juego / Modo música Sonido espacial ON / OFF FR N° Fonction Opération Annonce vocale Appui court sur le bouton d’alimentation (droite) Appui court sur l…

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LocalRepresentativeLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(7),oftheCommission’sRules(47C.F.R.)weattestasfollowsfor theproductlistedbelow: FCCIDModelname 2BLT4-F5F5,T11,T12,T13,T14,T15,A20,A30,F6,F7,F8, F9,LC200,i22,Q30,Q31,A10,A50,A60,Talk15, Talk25 Weherebyacknowledgeasfollows: i.bothsigneesconfirmthatthepointofcontactacceptsresponsibilitytoactasaUS- AmericanRepresentativeonbehalfoftheapplicant ii.thepointofcontactprovidesthephysicalU.S.addressandemailaslistedbelow iii.bothpartiesmaintaintherequirementsofthisagreementwithoutexpirationdate US-AmericanPointofContactApplicant/ApprovalHolder SignatureSignature CompanyName:LOBOSIOWAINCYoulisn(Shenzhen)Technology co.,Ltd. FRN:00364139610036174696 ContactName:HarleyLiXiaoJuanLliu Address:4623BittercreekDrColorado SpringsCO80922US Room501,Building5,No.796 JihuaRoad,YousongCommunity, LonghuaSubdistrict,Longhua District,Shenzhen,China Phone:+18188180538N/A Email:[email protected]@youlisn.com

CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BLT4-F5F5,T11,T12,T13,T14,T15,A20,A30,F6,F7,F8,F 9,LC200,i22,Q30,Q31,A10,A50,A60,Talk15, Talk25 We, Applicant CompanyName:Youlisn(Shenzhen)Technologyco.,Ltd. Address:Room501,Building5,No.796JihuaRoad, YousongCommunity,LonghuaSubdistrict, LonghuaDistrict,Shenzhen,China Phone:N/A certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-04-10 SignatureDate PrintedNameofSignee:XiaoJuanLliu Company:Youlisn(Shenzhen)Technology co.,Ltd. Phone:+8619166367842 Email:[email protected] Address:Room501,Building5,No.796 JihuaRoad,YousongCommunity,Longhua Subdistrict,LonghuaDistrict, Shenzhen,China Fax:N/A

Youlisn(Shenzhen)Technologyco.,Ltd. Room501,Building5,No.796JihuaRoad,YousongCommunity,LonghuaSubdistrict, LonghuaDistrict,Shenzhen,China Date:2026-04-10 FCCID:2BLT4-F5 ModelNumber:F5,T11,T12,T13,T14,T15,A20,A30,F6,F7,F8,F9,LC200,i22,Q30,Q31,A10, A50,A60,Talk15,Talk25 To:FederalCommunicationCommission AuthorizationandEvaluationDivision7435OaklandMillsRoad Columbia,MD21048 ToWhomItMayConcern, We,Youlisn(Shenzhen)Technologyco.,Ltd.herebydeclarethatourproduct(Wireless Doorbell ) ModelNumber:F5,T11,T12,T13,T14,T15,A20,A30,F6,F7,F8,F9,LC200,i22,Q30, Q31,A10,A50,A60,Talk15,Talk25electricalidentical,theSchematic,PCBlayout,structure andsoftwarearesame,onlythedifferenceisthemodelname. Shouldyouhaveanyquestionsorcommentsregardingthismatter,pleasehave mybestattention. Sincerely, (Signed) Name/Title:XiaoJuanLliu/Manager Company:Youlisn(Shenzhen)Technologyco.,Ltd. Address:Room501,Building5,No.796JihuaRoad,YousongCommunity,Longhua Subdistrict,LonghuaDistrict,Shenzhen,China Phone:+8619166367842 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 2BLT4-F5F5,T11,T12,T13,T14,T15,A20,A30,F6,F7,F8,F9, LC200,i22,Q30,Q31,A10,A50,A60,Talk15,Talk 25 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-04-10 SignatureDate PrintedNameofSignee/Title:XiaoJuanLliu/Manager Company:Youlisn(Shenzhen)Technologyco.,Ltd. Address:Room501,Building5,No.796JihuaRoad,Yousong Community,LonghuaSubdistrict,LonghuaDistrict, Shenzhen,China Phone:+8619166367842 Fax:-- Email:[email protected]

ReportNo.:CISRR26033027601 Page 59 of 63 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR26033027601 Page 60 of 63

Label Size:20mm*10mm FCC ID:2BLT4-F5 Label Location

ReportNo.:CISRR26033027601 Page 61 of 63 9.2.InternalPhotos ReportNo.:CISRR26033027601 Page 62 of 63 ReportNo.:CISRR26033027601 Page 63 of 63 ------Endofthereport----- ANT

ReportNo.:CISRR26033027602 Reporttemplateversion:CISE-TR-001-A0Page:1of5 TESTREPORT RFExposureEvaluation ReportNo.CISRR26033027602 ProjectNo.CISR260330276 FCCID2BLT4-F5 ApplicantYoulisn(Shenzhen)Technologyco.,Ltd. Address Room501,Building5,No.796JihuaRoad,YousongCommunity,Longhua Subdistrict,LonghuaDistrict,Shenzhen,China ManufacturerYoulisn(Shenzhen)Technologyco.,Ltd. Address Room501,Building5,No.796JihuaRoad,YousongCommunity,Longhua Subdistrict,LonghuaDistrict,Shenzhen,China ProductNameBluetoothHeadset Trademark- Model/TypereferenceF5 ListedModel(s) T11,T12,T13,T14,T15,A20,A30,F6,F7,F8,F9,LC200,i22,Q30,Q31,A10,A50,A60, Talk15,Talk25 Standard 47CFRPart2.1093 DateofsamplereceiptApril1,2026 TestdateApril1,2026toApril7,2026 IssuedateApril7,2026 TestresultComplied Reviewedby:LucasHuang Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.:CISRR26033027602 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 00April7,2026Original ReportNo.:CISRR26033027602 Reporttemplateversion:CISE-TR-001-A0Page:3of5 3.RADIOSPECIFICATIONDESCRIPTION Bluetooth Supportedtype:BREDRLE-1Mbps LE-2Mbps Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS ThedeviceuseasingletransmittermoduleandantennaforBluetooth,cannottransmitsimultaneously. ReportNo.:CISRR26033027602 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 #4 EIRP(dBm) Minimum distance (mm) Evaluated value LimitResult BT2.441-2.7330.271.005.000.39343.00PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.:CISRR26033027602 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--------

明 博 电 子 有 限 公 司 Antenna Engineering S TITLE：3.2x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip pecification DOCUMENT MB3216C04 REV. NO. C PAGE 1 OF 12 3.2X1.6X0.4 (mm) WiFi/Bluetooth Ceramic Chip Antenna Engineering Specification 1. Product Number 5 3 4 2 1 0 4 3216CMB LOTUS Address:Room 807, Banli Building, Longhua District, Shenzhen City TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna Engineering Specification DOCUMENT MB3216C04 REV. NO. C PAGE 2 OF 12 2. Features *Stable and reliable in performances *Low temperature coefficient of frequency *Low profile, compact size *RoHS compliance *SMT processes compatible 3. Applications *Bluetooth earphone systems *Hand-held devices when WiFi /Bluetooth functions are needed, e.g., Smart phone. *IEEE802.11 b/g/n *ZigBee *Wireless PCMCIA cards or USB dongle 5-1. Electrical 4.Description Mingbo chip antenna series are specially designed for WiFi/Bluetooth applications. Based on Mingbo proprietary design and processes, this chip antenna has excellent stability and sensitivity to consistently provide high signal reception efficiency. 5.Electrical Specifications (80 x 40 mm 2 ground plane) Table Characteristics Specifications Unit Outline Dimensions 3.2x1.6x0.4 mm Working Frequency 2400~2500 MHz VSWR 2 Max. Impedance 50  Polarization Linear Polarization Gain Peak 3.0(typical) dBi Efficiency 78 (typical) % 5-2. Return Loss & VSWR 明 博 电 子 有 限 公 司 LOTUS TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna Engineering Specification DOCUMENT MB3216C04 REV. NO. C PAGE 3 OF 12 Return Loss (S 11 ) VSWR(S 11 ) 6. Antenna Dimensions & Test Board (unit: mm) a. Antenna Dimensions 明 博 电 子 有 限 公 司 LOTUS TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna Engineering Specification DOCUMENT MB3216C04 REV. NO. C PAGE 4 OF 12 b. Test Board with Antenna 40 80 Unit: mm 7. Radiation Pattern (80 x 40 mm 2 ground plane) 7-1. 3D Gain Pattern @ 2442 MHz Z X Y 明 博 电 子 有 限 公 司 LOTUS TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna Engineering Specification DOCUMENT MB3216C04 REV. NO. C PAGE 5 OF 12 7-2. 3D Efficiency Table Frequency( MHz) 2400 2410 2420 2430 2442 2450 2460 2470 2480 2490 2500 Efficiency (dB) -1.4 -1.0 -0.9 -0.7 -0.7 -0.8 -0.9 -1.1 -1.2 -1.3 -1.4 Efficiency (%) 72.8 73.7 74.3 74.4 75.5 75.0 74.0 73.6 73.1 72.6 71.5 Gain (dBi) 2.1 2.2 2.3 2.4 2.5 2.5 2.4 1.8 1.7 1.6 1.4 Y X Z Y X X Y Z 明 博 电 子 有 限 公 司 LOTUS TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna Engineering Specification DOCUMENT MB3216C04 REV. NO. C PAGE 6 OF 12 7-3. 3D Efficiency vs. Frequency 8. Layout Guide a. Solder Land Pattern: Land pattern for soldering (gray marking areas) is as shown below. Depending on Customer’s requirement, matching circuit as shown below is also recommended. Efficiency vs. Frequency 50 60 70 80 90 100 24002410242024302442245024602470 248024902500 Frequency(MHz) Efficiency(%) 明 博 电 子 有 限 公 司 LOTUS TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna Engineering Specification DOCUMENT MB3216C04 REV. NO. C PAGE 7 OF 12 Top View Bottom View Unit： mm 明 博 电 子 有 限 公 司 LOTUS TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna Engineering Specification DOCUMENT MB3216C04 REV. NO. C PAGE 8 OF 12 9. Frequency tuning a. Chip antenna tuning scenario： b. Matching circuit：(Center frequency is about 2442 MHz @ 80 x 40 mm 2 ground plane) System Matching Circuit Component Location Description Vendor Toleranc e 1 1.2 pF* Murata (0402) ±0.1 pF 2 10PF* Murata(0402) ±0.5 PF 3 N/A* - - Fine tuning element 4 1.5 pF* Murata (0402) ±0.1 pF *Typical reference values which may need to be changed when circuit boards or part vendors are different. Matching circuit Feed 4. Fine tuning elemet 1 2 3 明 博 电 子 有 限 公 司 LOTUS TITLE：3.2x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna Engineering Specification DOCUMENT MB3216C04 REV. NO.C PAGE9OF 12 c. Fine tuning element vs. Center frequency a. 10.Soldering Conditions Typical Soldering Profile for Lead-free Process Time 60-150s 20- Pre- 150-200° 217°C 260° Temperature (°C) LOTUS TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna Engineering Specification DOCUMENT MB3216C04 REV. NO. C PAGE 10 OF 12 11. Packing (1) Quantity/Reel: 5000 pcs/Reel (2) Plastic tape: 明 博 电 子 有 限 公 司 LOTUS TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna Engineering Specification DOCUMENT MB3216C04 REV. NO. C PAGE 11 OF 12 明 博 电 子 有 限 公 司 LOTUS TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna Engineering Specification DOCUMENT MB3216C04 REV. NO. C PAGE 12 OF 12 明 博 电 子 有 限 公 司 LOTUS

ReportNo.:CISRR26033027601 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of55 TESTREPORT ReportNo.CISRR26033027601 ProjectNo.CISR260330276 FCCID2BLT4-F5 ApplicantYoulisn(Shenzhen)Technologyco.,Ltd. Address Room501,Building5,No.796JihuaRoad,YousongCommunity, LonghuaSubdistrict,LonghuaDistrict,Shenzhen,China ManufacturerYoulisn(Shenzhen)Technologyco.,Ltd. Address Room501,Building5,No.796JihuaRoad,YousongCommunity, LonghuaSubdistrict,LonghuaDistrict,Shenzhen,China ProductNameBluetoothHeadset Trademark- Model/TypereferenceF5 ListedModel(s) T11,T12,T13,T14,T15,A20,A30,F6,F7,F8,F9,LC200,i22,Q30,Q31,A10,A50,A60, Talk15,Talk25 Standard 47CFRPart15.247 DateofsamplereceiptApril1,2026 TestdateApril1,2026toApril7,2026 IssuedateApril7,2026 TestresultComplied Reviewedby:LucasHuang Approvedby:HansHu ReportNo.:CISRR26033027601 Page 2 of 55 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 6.2.2.20dBBandwidth......................................................................................................................................14 6.2.3.MaximumConductedOutputPower.....................................................................................................16 6.2.4.ChannelSeparation................................................................................................................................17 6.2.5.NumberofHoppingFrequencies..........................................................................................................18 6.2.6.DwellTime...............................................................................................................................................19 6.2.7.Conductedbandedgeandspuriousemission...................................................................................21 6.2.8.Radiatedbandedgeemission...............................................................................................................23 6.2.9.RadiatedSpuriousEmission(below1GHz).........................................................................................29 6.2.10.RadiatedSpuriousEmission(Above1GHz)......................................................................................33 7.APPENDIXREPORT......................................................................................................................................41 7.1.ConductedOutputPower.........................................................................................................................41 7.2.20dBBandwidth.........................................................................................................................................43 7.3.NumberOfHoppingChannel...................................................................................................................45 7.4.CarrierFre…

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ReportNo.:CISRR26033027601 Page 57 of 63 8.TESTSETUPPHOTOS ConductedEmissionatACpowerline Radiatedbandedgeemission RadiatedSpuriousEmission(Above1GHz) ReportNo.:CISRR26033027601 Page 58 of 63 RadiatedSpuriousEmission(below1GHz)