2BVJ4-SC3Smartphone case

SC3智能手机壳 操作说明 中文·zh 一、下载与配对 •1.扫描二维码下载并安装官方APP •2.打开APP，按提示完成设备绑定 •3.授权蓝牙、通知及定位权限 •系统要求：Android8.0+/iOS9.0+，蓝牙4.0 二、按键操作 •关机状态长按3秒：开机 •表盘界面长按3秒：关机/重启菜单 • 表盘界面短按：息屏/亮屏 • 其他界面短按：返回上级 触屏手势 •上滑：锁屏（右滑解锁） •下滑：查看通知 • 左→右滑：相机 • 右→左滑：主菜单 • 表盘长按：切换表盘 三、充电 •将充电线磁吸端对准背面圆心孔，屏幕显示充电图标即正常。 •关机状态连接充电线后等待3～5分钟可自动唤醒。 四、功能列表 • 时钟：与APP同步自动校准 • 相机：控制手机同步拍照 •音乐：切换曲目/暂停播放 •天气：显示未来7天天气 • 设置：语言/亮度/时间/关机/重置/版本 • 计算器、秒表、日历、倒计时 •消息通知：下滑查看/删除（需APP后台运行） •游戏：下坠的小鸟、掷骰子、打地鼠 五、常见问题 • Q：蓝牙连接失败？ • 确认系统版本及蓝牙4.0支持 • 关闭并重新开启手机蓝牙 • 确保APP在后台运行 • Q：搜索不到设备？ • 确认SC3已开机且未被其他手机连接 • 靠近手机重新搜索；进入SC3【关于】后重新搜索 •Q：无法充电？ • 检查磁吸连接是否正确 • 关机状态连接后等待3～5分钟 SC3SmartPhoneCase UserManual English·en 1.Download&Pairing •1.ScantheQRcodetodownloadandinstalltheofficialAPP • 2.OpentheAPPandfollowpromptstobindyourdevice • 3.GrantBluetooth,notification,andlocationpermissions • Requirements:Android8.0+/iOS9.0+,Bluetooth4.0 2.ButtonControls • Longpress3s(off):Poweron •Longpress3s(watchface):Poweroff/Restartmenu •Shortpress(watchface):Screenon/off •Shortpress(otherscreens):Goback TouchGestures •Swipeup:Lockscreen(swiperighttounlock) • Swipedown:Viewnotifications •Swipeleft-to-right:Camera • Swiperight-to-left:Mainmenu •Longpresswatchface:Switchwatchface 3.Charging •Alignthemagneticconnectorwiththeroundportontheback.Thechargingiconconfirmsconnection. • Whenpoweredoff,connectcableandwait3–5minforautowake-up. 4.Features • Clock:Auto-syncswithAPP •Camera:Remoteshutterforphonecamera •Music:Next/previoustrack,play/pause •Weather:7-dayforecast • Settings:Language/brightness/time/poweroff/reset/version •Calculator,Stopwatch,Calendar,Countdown • Notifications:Swipedowntoview/delete(APPmustruninbackground) •Games:FlappyBird,DiceRoll,Whack-a-Mole 5.Troubleshooting •Q:Bluetoothwon'tconnect? • CheckOSversionandBluetooth4.0support •ToggleBluetoothoffandonagain • EnsureAPPisrunninginbackground •Q:Devicenotfound? • EnsureSC3isonandnotconnectedtoanotherphone •BringSC3close;gotoSC3Aboutscreenandretry •Q:Notcharging? •Checkmagneticconnectoralignment • Connectwhileoffandwait3–5minutes SC3Smartphonehülle Bedienungsanleitung Deutsch·de 1.Download&Kopplung •1.QR-Codescannen,umdieoffizielleAPPherunterzuladen • 2.APPöffnenundGerätekopplunggemäßAnleitungdurchführen • 3.Bluetooth-,Benachrichtigungs-undStandortberechtigungenerteilen • Anforderungen:Android8.0+/iOS9.0+,Bluetooth4.0 2.Tastenbedienung • 3Sek.gedrückthalten(aus):Einschalten •3Sek.gedrückthalten(Zifferblatt):Ausschalten/Neustart •Kurzdrücken(Zifferblatt):Bildschirmein/aus •Kurzdrücken(andereBildschirme):Zurück Touch-Gesten •Nachobenwischen:Sperrbildschirm(nachrechtswischenzumEntsperren) • Nachuntenwischen:Benachrichtigungen •Linksnachrechtswischen:Kamera • Rechtsnachlinkswischen:Hauptmenü •Zifferblattlangdrücken:Zifferblattwechseln 3.Laden •MagnetischenSteckeramrundenAnschlussaufderRückseiteausrichten.DasLadesymbolbestätigtdieVerbindung. • ImausgeschaltetenZustandKabelanschließenund3–5Min.warten. 4.Funktionen • Uhr:AutomatischeSynchronisationmitAPP •Kamera:FernauslöserfürHandykamera •Musik:Vor-/Zurückspulen,Pause/Play •Wetter:7-Tage-Vorhersage • Einstellungen:Sprache/Helligkeit/Zeit/Ausschalten/Reset/Version •Taschenrechner,Stoppuhr,Kalender,Countdown • Benachrichtigungen:Nachuntenwischen(APPmussimHintergrundlaufen) •Spiele:FlappyBird,Würfeln,Hau-den-Maulwurf 5.Fehlerbehebung •F:Bluetoothverbindetnicht? • SystemversionundBluetooth4.0prüfen •Bluetoothaus-undwiedereinschalten • Sicherstellen,dassAPPimHintergrundläuft •F:Gerätnichtgefunden? • SC3eingeschaltetundnichtmitanderemGerätverbunden? •SC3nahansHandyhalten;SC3"Über"-Bildschirmöffnenundneusuchen •F:Lädtnicht? •Magnetverbindungprüfen • ImausgeschaltetenZustandanschließenund3–5Min.warten SC3CoqueTéléphoneIntelligente Moded'emploi Français·fr 1.Téléchargement&Couplage •1.ScannerleQRcodepourtéléchargerl'APPofficielle • 2.Ouvrirl'APPetsuivrelesinstructionspourassocierl'appareil • 3.AutoriserBluetooth,notificationsetlocalisation • Configurationrequise:Android8.0+/iOS9.0+,Bluetooth4.0 2.Commandesparbouton • Appuilong3s(éteint):Allumer •Appuilong3s(cadran):Éteindre/Redémarrer •Appuicourt(cadran):Activer/désactiverl'écran •Appuicourt(autresécrans):Retour Gestestactiles •Glisserverslehaut:Écranverrouillé(glisseràdroitepourdéverrouiller) • Glisserverslebas:Notifications •Glissergauche→droite:Appareilphoto • Glisserdroite→gauche:Menuprincipal •Appuilongsurlecadran:Changerlecadran 3.Chargement •Alignerleconnecteurmagnétiquesurl'orificecirculaireaudos.L'icônedechargeconfirmelaconnexion. • Éteint,brancherlecâbleetattendre3à5minpourleréveilautomatique. 4.Fonctionnalités • Horloge:Synchronisationautomatiqueavecl'APP •Appareilphoto:Déclencheuràdistance •Musique:Pistesuivante/précédente,pause/lecture •Météo:Prévisionssur7jours • Paramètres:Langue/luminosité/heure/arrêt/réinitialisation/version •Calculatrice,Chronomètre,Calendrier,Minuterie • Notifications:Glisserverslebas(APPdoitfonctionnerenarrière-plan) •Jeux:FlappyBird,Lancerdedés,Taupe 5.Dépannage •Q:Bluetoothneseconnectepas? • VérifierlaversiondusystèmeetlesupportBluetooth4.0 •DésactiverpuisréactiverleBluetooth • S'assurerquel'APPfonctionneenarrière-plan •Q:Appareilintrouvable? • VérifierqueleSC3estalluméetnonconnectéàunautretéléphone •RapprocherleSC3dutéléphone;accéderà"Àpropos"surSC3etrelancerlarecherche •Q:Nechargepas? •Vérifierl'alignementduconnecteurmagnétique • Brancheréteintetattendre3à5minutes SC3CoverSmartphoneIntelligente Manualed'uso Italiano·it 1.DownloadeAbbinamento •1.ScansionailcodiceQRperscaricarel'APPufficiale • 2.April'APPeseguileistruzioniperabbinareildispositivo • 3.ConcediipermessiperBluetooth,notificheeposizione • Requisiti:Android8.0+/iOS9.0+,Bluetooth4.0 2.Comandipulsante • Tienipremuto3s(spento):Accendi •Tienipremuto3s(quadrante):Menuspegni/riavvia •Pressionebreve(quadrante):Schermoon/off •Pressionebreve(altreschermate):Tornaindietro Gestitouch •Scorriinalto:Schermatablocco(scorriadestrapersbloccare) • Scorriinbasso:Notifiche •Scorrisinistra→destra:Fotocamera • Scorridestra→sinistra:Menuprincipale •Tienipremutoi…

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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 2BVJ4-SC3SC3,SC3pro,SC5,SC5pro,SC6,SC6pro,SC7, SC7pro,SC8,SC8pro,SC9,SC9pro,SC10, SC10pro Weherebyacknowledgeasfollows: i.bothsigneesconfirmthatthepointofcontactacceptsresponsibilitytoactasaUS- AmericanRepresentativeonbehalfoftheapplicant ii.thepointofcontactprovidesthephysicalU.S.addressandemailaslistedbelow iii.bothpartiesmaintaintherequirementsofthisagreementfornolessthanoneyear afterthegranteehasterminatedallmarketingandimportationortheconclusionof anyCommission-relatedproceedinginvolvingtheequipment. iv.Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,the granteeisobligatedtonotifytheFCCwithin30daysviathegrantingTCB. US-AmericanPointofContactApplicant/ApprovalHolder SignatureDate:2026-4-13SignatureDate:2026-4-13 CompanyName:GLOCERTSTECHNOLOGYINCShenzhenRunjiehaoTechnology Co.,Ltd FRN:00363397370038264412 ContactName:HuiyingFanFENGLINWU Address:19784SUNKISSEDRIDGEDR, RIVERSIDE,CA92507UnitedStates Room501,Building1,No.4, Xiguangyue3rdRoad,Lihu Community,XinhuSub-district, GuangmingDistrict,Shenzhen City,China Phone:(626)588-803915889648548 Email:[email protected]@runjiehaoju.cn

Page 1 of 5FCC ID: 2BVJ4-SC3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China External Photos Photo 1 Photo 2 Page 2 of 5FCC ID: 2BVJ4-SC3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Photo 3 Photo 4 Page 3 of 5FCC ID: 2BVJ4-SC3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Photo 5 Photo 6 Page 4 of 5FCC ID: 2BVJ4-SC3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Photo 7 Photo 8 Page 5 of 5FCC ID: 2BVJ4-SC3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Photo 9 ------End------

Label FCCID:2BVJ4-SC3

Page 1 of 4FCC ID: 2BVJ4-SC3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Internal Photos Photo 1 Photo 2 Page 2 of 4FCC ID: 2BVJ4-SC3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Photo 3 Photo 4 Antenna Page 3 of 4FCC ID: 2BVJ4-SC3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Photo 5 Photo 6 Page 4 of 4FCC ID: 2BVJ4-SC3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Photo 7 Photo 8 ------End------

Page1of8ReportNo.:AiTDG-260318002W3 Note:Thisdevicehasbeentestedandfoundtocomplywiththestandard(s)listed,thistestreportmerelycorrespondstothe testsample.Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetestlaboratory.This reportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofGuangdongAsiaHongkeTestTechnologyLimited. Ifthereisaneedtoalterorrevisethisdocument,therightbelongstoGuangdongAsiaHongkeTestTechnologyLimited,and itshouldgiveapriorwrittennoticeoftherevisiondocument.Thistestreportmustnotbeusedbytheclienttoclaimproduct endorsement. GuangdongAsiaHongkeTestTechnologyLimited B1/F,Building11,JunfengIndustrialPark,ChongqingRoad,Heping Community,FuhaiStreet,Bao'anDistrict,Shenzhen,Guangdong,China RFExposureevaluation ProductName: Smartphonecase BrandName: N/A Model: SC3 SeriesModel: SC3pro,SC5,SC5pro,SC6,SC6pro,SC7,SC7pro,SC8,SC8pro, SC9,SC9pro,SC10,SC10pro FCCID: 2BVJ4-SC3 Applicant: ShenzhenRunjiehaoTechnologyCo.,Ltd Address: Room501,Building1,No.4,Xiguangyue3rdRoad,Lihu Community,XinhuSub-district,GuangmingDistrict,ShenzhenCity, China Manufacturer: ShenzhenRunjiehaoTechnologyCo.,Ltd Address: Room501,Building1,No.4,Xiguangyue3rdRoad,Lihu Community,XinhuSub-district,GuangmingDistrict,ShenzhenCity, China Standard(s): 47CFR§1.1310,47CFR§2.1093 KDB447498D01GeneralRFExposureGuidancev06 DateofReceipt: Mar.18,2026 DateofTest: Mar.18,2026~Mar.30,2026 IssuedDate: Mar.31,2026 IssuedBy: GuangdongAsiaHongkeTestTechnologyLimited B1/F,Building11,JunfengIndustrialPark,ChongqingRoad,HepingCommunity,Fuhai Street,Bao'anDistrict,Shenzhen,Guangdong,China Tel.:+860755-230967639Fax.:+860755-230967639 Reviewedby:Approvedby: Aalen.YeAllenWang Page 2 of 8 ReportNo.:AiTDG-260318002W3 ReportReviseRecord ReportVersionIssuedDateNotes V1.0Mar.31,2026InitialRelease Page 3 of 8 ReportNo.:AiTDG-260318002W3 Contents 1GENERALINFORMATION.............................................................................................................................................4 1.1ENVIRONMENTALCONDITIONS........................................................................................................................................4 1.2GENERALDESCRIPTIONOFEUT......................................................................................................................................4 1.3TESTFACILITY...............................................................................................................................................................5 1.4MEASUREMENTUNCERTAINTY........................................................................................................................................6 2METHODOFMEASUREMENT......................................................................................................................................7 2.1APPLICABLESTANDARD.................................................................................................................................................7 2.2EVALUATIONMETHODANDLIMIT...................................................................................................................................7 2.3MANUFACTURINGTOLERANCE........................................................................................................................................8 2.4EVALUATIONRESULT......................................................................................................................................................8 2.5CONCLUSION................................................................................................................................................................8 Page 4 of 8 ReportNo.:AiTDG-260318002W3 1GENERALINFORMATION 1.1Environmentalconditions Duringthemeasurementtheenvironmentalconditionswerewithinthelistedranges: NormalTemperature:25°C RelativeHumidity:55% AirPressure:101kPa 1.2GeneralDescriptionofEUT ProductName:Smartphonecase Model/Type reference: SC3 SerialModel: SC3pro,SC5,SC5pro,SC6,SC6pro,SC7,SC7pro,SC8,SC8pro,SC9, SC9pro,SC10,SC10pro PowerSupply: Input:DC5V Battery:DC3.8V300mAh1.14Wh Hardwareversion.:N/A Softwareversion.:N/A Testsample(s)ID:AiTDG-260318002-1 BT: Modulation:GFSK Operationfrequency:2402MHz-2480MHz Channelnumber:40Channels Channelseparation:2MHz Antennatype:MonopoleAntenna Antennagain:0dBi Remark:TheaboveDUT'sinformationwasdeclaredbymanufacturer.Formoredetailedfeatures description,pleaserefertothemanufacturer’sspecificationsortheUser'sManual. Page 5 of 8 ReportNo.:AiTDG-260318002W3 1.3TestFacility TestLaboratory: GuangdongAsiaHongkeTestTechnologyLimited B1/F,Building11,JunfengIndustrialPark,ChongqingRoad,HepingCommunity,FuhaiStreet,Bao'an District,Shenzhen,Guangdong,China Thetestfacilityisrecognized,certifiedoraccreditedbythefollowingorganizations: FCC-RegistrationNo.:251906DesignationNumber:CN1376 GuangdongAsiaHongkeTestTechnologyLimitedhasbeenregisteredandfullydescribedinareport filedwiththe(FCC)FederalCommunicationsCommission.TheacceptanceletterfromtheFCCis maintainedinourfiles. IC-RegistrationNo.:31737CABidentifier:CN0165 The3mSemi-anechoicchamberofGuangdongAsiaHongkeTestTechnologyLimitedhasbeen registeredbyCertificationandEngineeringBureauofIndustryCanadaforradioequipmenttestingwith RegistrationNo.:31737 A2LA-LabCert.No.:7133.01 GuangdongAsiaHongkeTestTechnologyLimitedhasbeenaccreditedbyA2LAfortechnical competenceinthefieldofelectricaltesting,andprovedtobeincompliancewithISO/IEC17025:2017 GeneralRequirementsfortheCompetenceofTestingandCalibrationLaboratoriesandanyadditional programrequirementsintheidentifiedfieldoftesting. Page 6 of 8 ReportNo.:AiTDG-260318002W3 1.4Measurementuncertainty Thedataandresultsreferencedinthisdocumentaretrueandaccurate.Thereaderiscautionedthat theremaybeerrorswithinthecalibrationlimitsoftheequipmentandfacilities.Themeasurement uncertaintywascalculatedforallmeasurementslistedinthistestreportaccordingtoCISPR16- 4“Specificationforradiodisturbanceandimmunitymeasuringapparatusandmethods–P…

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Page1of35ReportNo.:AiTDG-260318002W2 GuangdongAsiaHongkeTestTechnologyLimited B1/F,Building11,JunfengIndustrialPark,ChongqingRoad,Heping Community,FuhaiStreet,Bao'anDistrict,Shenzhen,Guangdong,China TESTREPORT ClientInformation: Applicant:ShenzhenRunjiehaoTechnologyCo.,Ltd Applicantadd.: Room501,Building1,No.4,Xiguangyue3rdRoad,LihuCommunity,Xinhu Sub-district,GuangmingDistrict,ShenzhenCity,China Manufacturer:ShenzhenRunjiehaoTechnologyCo.,Ltd Manufactureradd.: Room501,Building1,No.4,Xiguangyue3rdRoad,LihuCommunity,Xinhu Sub-district,GuangmingDistrict,ShenzhenCity,China ProductInformation: ProductName:Smartphonecase ModelNo: SC3,SC3pro,SC5,SC5pro,SC6,SC6pro,SC7,SC7pro,SC8,SC8pro,SC9, SC9pro,SC10,SC10pro BrandName:N/A FCCID:2BVJ4-SC3 Applicablestandards : FCCCFRTitle47Part15SubpartCSection15.247 PreparedBy: GuangdongAsiaHongkeTestTechnologyLimited B1/F,Building11,JunfengIndustrialPark,ChongqingRoad,HepingCommunity,FuhaiStreet,Bao'an District,Shenzhen,Guangdong,China Tel.:+860755-230967639Fax.:+860755-230967639 DateofReceipt:Mar.18,2026DateofTest:Mar.18,2026~Mar.30,2026 DateofIssue:Mar.31,2026TestResult:Pass ThisdevicedescribedabovehasbeentestedbyGuangdongAsiaHongkeTestTechnologyLimited andthetestresultsshowthattheequipmentundertest(EUT)isincompliancewiththeFCC requirements.Anditisapplicableonlytothetestedsampleidentifiedinthereport. Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofGuangdong AsiaHongkeTestTechnologyLimited,thisdocumentmaybealteredorrevisedbyGuangdong AsiaHongkeTestTechnologyLimited,personalonly,andshallbenotedintherevisionofthe document.Thistestreportmustnotbeusedbytheclienttoclaimproductendorsement. Reviewedby:Approvedby: Aalen.YeAllenWang Page2of35ReportNo.:AiTDG-260318002W2 GuangdongAsiaHongkeTestTechnologyLimited B1/F,Building11,JunfengIndustrialPark,ChongqingRoad,Heping Community,FuhaiStreet,Bao'anDistrict,Shenzhen,Guangdong,China 1Contents Page COVERPAGE 1CONTENTS...........................................................................................................................................................................2 2TESTSUMMARY.................................................................................................................................................................4 2.1StatementoftheMeasurementUncertainty.....................................................................................4 2.2MeasurementUncertainty.................................................................................................................4 3TESTFACILITY...................................................................................................................................................................5 3.1Deviationfromstandard....................................................................................................................5 3.2Abnormalitiesfromstandardconditions...........................................................................................5 3.3TestLocation.....................................................................................................................................5 4GENERALINFORMATION................................................................................................................................................6 4.1Testfrequencies................................................................................................................................7 4.2EUTPeripheralList...........................................................................................................................7 4.3TestPeripheralList............................................................................................................................7 4.4TESTMETHODOLOGY....................................................................................................................8 4.4.1EUTConfiguration.......................................................................................................................8 4.4.2EUTExercise...............................................................................................................................8 4.4.3GeneralTestProcedures.............................................................................................................8 4.5DescriptionofTestModes.................................................................................................................9 5EQUIPMENTUSEDDURINGTEST...............................................................................................................................10 6TESTRESULTSANDMEASUREMENTDATA..........................................................................................................12 6.1Antennarequirement.......................................................................................................................12 6.2OnTimeandDutyCycle.................................................................................................................13 6.3MaximumConductedOutputPowerMeasurement.......................................................................14 6.46dBSpectrumBandwidthMeasurement.......................................................................................15 6.5PowerSpectralDensity...................................................................................................................16 6.6ConductedSpuriousEmissionsandBandEdgesTest..................................................................17 6.7Restrict-bandBand-edgeMeasurements.......................................................................................18 6.8RadiatedEmissionsMeasurement.................................................................................................21 6.9ConductedEmissions.....................................................................................................................32 7TESTSETUPPHOTOGRAPHSOFEUT.............................................…

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深圳市麒鑫通达科技有限公司 SHENZHEN QXTD Technology Co., Ltd样 品 承 认 书 Part Approval Sheet Version： V1.0 Customer ： Shenzhen Haikangsheng Intelligent Co., Ltd Project：Bluetooth antenna Part Name ： Conducting wire Part Color：Black Part Number： Sample Delivery Date ： April 3, 2021 Sample Quantity：5PCS Sample type ： Built-in Bluetooth wire Reason for Sample Delivery：○New tooling ○New supplier ○Tooling change ○Engineering change ○Other: Remark ： West side, 3rd floor, Building 1, Shayi North Yongfa Science Park, Xinhe Road, Gonghe Community, Shajing Street, Baoan District, Shenzhen 深圳市麒鑫通达科技有限公司 SHENZHEN QXTD Technology Co., Ltd样 品 承 认 书 Page 1 Confidential documents 机密文件 1.Graphic for reference Figure 20.8*20mmBT 2. OTA(Free Space) ChannelTRP（dBm）TIS（dBm） 06.3-91.1 396.5-91.3 786.6-91.2 NameANTENNA ModelLT13 Frequency 2.4-2.5Ghz Input impedance50Ω Allowed power5mW Working temp.-25 ~ +65°C Storage temp. -40 ~ +85°C Weight0.25g Antenna gain 0dBi 深圳市麒鑫通达科技有限公司 SHENZHENQXTDTechnologyCo.,Ltd样品承认书 Page2 Confidentialdocuments 机密文件 3.BTTest TesttermEnvironmentMaxpairingdistanceBTCalldistance BTOffice16-18m10-12m 深圳市麒鑫通达科技有限公司 SHENZHENQXTDTechnologyCo.,Ltd样品承认书 Page3 Confidentialdocuments 机密文件 4.Blueprint 深圳市麒鑫通达科技有限公司 SHENZHENQXTDTechnologyCo.,Ltd样品承认书 Page4 Confidentialdocuments 机密文件 5.Field

Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-260318002W2 FCC ID: 2BVJ4-SC3 Page 1 of 24 Appendix B RF Test Data for BT (BLE) (Conducted Measurement) Product Name: Smartphone case Trade Mark: N/A Test Model: SC3 Environmental Conditions Temperature: 24.6  C Relative Humidity:52.4% ATM Pressure:100.0 kPa Test Engineer:Emiya lin Supervised by:Simba Haung Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-260318002W2 FCC ID: 2BVJ4-SC3 Page 2 of 24 Contents Page COVER PAGE 1 Duty Cycle........................................................................................................................................................................................ 3 1.1 Test Result............................................................................................................................................................................3 1.2 Test Graphs...........................................................................................................................................................................4 2 Maximum Conducted Output Power................................................................................................................................................. 6 2.1 Test Result............................................................................................................................................................................6 2.2 Test Graphs...........................................................................................................................................................................7 3 -6dB Bandwidth.................................................................................................................................................................................9 3.1 Test Result............................................................................................................................................................................9 3.2 Test Graphs.........................................................................................................................................................................10 4 Maximum Power Spectral Density Level.........................................................................................................................................12 4.1 Test Result..........................................................................................................................................................................12 4.2 Test Graphs.........................................................................................................................................................................13 5 Band Edge......................................................................................................................................................................................15 5.1 Test Result..........................................................................................................................................................................15 5.2 Test Graphs.........................................................................................................................................................................16 6 Conducted RF Spurious Emission.................................................................................................................................................. 18 6.1 Test Result..........................................................................................................................................................................18 6.2 Test Graphs.........................................................................................................................................................................19 7 Restrict Band.................................................................................................................................................................................. 22 7.1 Test Result..........................................................................................................................................................................22 7.2 Test Graphs.........................................................................................................................................................................23 Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-260318002W2 FCC ID: 2BVJ4-SC3 Page 3 of 24 1 Duty Cycle 1.1 Test Result ModeFrequency (MHz)Duty Cycle (%)Correction Factor 1/T (kHz) BLE 1M2402860.650.47 BLE 1M244085.750.670.47 BLE 1M2480860.650.47 Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-260318002W2 FCC ID: 2BVJ4-SC3 Page 4 of 24 1.2 Test Graphs Test Graphs BLE 1M 2402MHz BLE 1M 2440MHz Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-260318002W2 FCC ID: 2BVJ4-SC3 Page 5 of 24 BLE 1M 2480MHz Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-260318002W2 FCC ID: 2BVJ4-SC3 Page 6 of 24 2 Maximum Conducted Output Power 2.1 Test Result ModeFrequency (MHz)Conducted Power (dBm) Limit (dBm)Verdict BLE 1M24023.830Pass BLE 1M24403.830Pass BLE 1M24803.4830Pass Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-260318002W2 FCC ID: 2BVJ4-SC3 Page 7 of 24 2.2 Test Graphs Test Graphs BLE 1M 2402MHz BLE 1M 2440MHz Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-260318002W2 FCC ID: 2BVJ4-SC3 Page 8 of 24 BLE 1M 2480MHz Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-260318002W2 FCC ID: 2BVJ4-SC3 Page 9 of 24 3 -6dB Bandwidth 3.1 Test Result ModeFrequency (MHz)-6 dB Bandwidth (MHz)Limit -6 dB Bandwidth (MHz)Verdict BLE 1M24020.6930.5Pass BLE 1M24400.6330.5Pass BLE 1M24800.6350.5Pass Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-260318002W2 FCC ID: 2BVJ4-SC3 Page 10 of 24 3.2 Test Graphs Test Graphs BLE 1M 2402MHz BLE 1M 2440MHz Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-26031800…

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Page 1 of 2 FCC ID:2BVJ4-SC3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Test Setup Photo Radiated Emission Page 2 of 2 FCC ID:2BVJ4-SC3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Conducted Emission RF Conduction ------End------