2A448-K55Smart Watch

1 2 SmartBraceletUser3 Manual 4 5 6 7 8 Pleasemakeafullchargebeforeuseit.9 APP:DaFit 10 11 12 DownloadAPP13 14 1.1Longpresshomekeytoturnon.15 1.2ScanbelowQRcodetoinstallDaFitAPP,Or16 download“DaFit”fromAppStore,Google 17 Playertheninstallit.18 19 CompatibleSystem:Android4.4andabove，20 iOS8.0andabove21 22 23 24 25 26 27 28 29 30 31 32 33 34 BTCallingVersionconnecting35 Step1：TurnonmobilephoneBluetooth 36 Step2：Open“DaFit”APP，Tap“Adda37 device”toconnect. 38 Step3:Turnonphonemenuonthewatch. 39 40 Step4:Checkwatchmenu“about”MAC 41 addresslastfournumberlike“6326”,thengo42 mobilephone“setting-bluetooth”tosearch 43 thesamebluetoothnamewithlast4numbers44 “6326”tofinishBTconnectionasbelow45 operation.46 47 48 49 2.SmartbraceletFunctions 50 2.1.TimeInterface51 2.1.1Poweron：LongpressOPENkeyfor352 seconds. 53 2.2.2Poweroff：Onthetimeinterface，press 54 “OPEN”sidebuttonfor3seconds,thenclick”55 √“icontoturnoff 56 2.2.3Switchwatchface：Longpressthescreen57 basedonmainwatchface,4interface 58 options,andthe4 th dialcanmanually 59 replaceuser-definedpicturesorphotos60 ontheAPP 61 2.2.Functionsmenu 62 2.2.1.Activityrecords（Steprecords)63 2.2.2.Sleepmonitor64 Sleepmonitorperiod:20:00PMto10:00AM65 Plsmakesurewearedthebraceletdevice66 2.2.3.Exercise 67 2.2.4.HeartRatemonitor68 2.2.5.BloodPressureDetection69 2.2.6.BloodOxygenDetection 70 2.2.7.Weather（Slideupscreencancheckthis71 weekweatherinformation) 72 73 2.2.8.Shutter 74 Android:TurnonDaFitapp,fromsmart 75 braceletenter“shutter”,shakethebraceletor 76 clicktotakephoto.77 IOS:Entersmartbracelet“shutter”,makesure 78 turnonmobile’scamera,shakethebraceletor79 clickicon.80 2.2.9.Player（EnterBTmusic,clickmiddleicon 81 topauseorcontinue，taplefticontoplaylast82 song，taprighticontoplaynextsong）83 2.2.10.Notificationspush（TurnonDaFit84 app”Notifications”socialapplike85 Facebook,Twitter,Skypeetc, 86 PayattentiononAndroidmobilephonesetup:87 DaFitapp/Notification/Accessibilitytoturn88 on“DaFit” 89 2.2.11.Breathe90 3.FunctionsonDaFitApp91 3.1.Datasync 92 Allmeasureddatafromsmartbraceletwillbe93 synconmobilephoneDaFitappeg:step,sleep94 monitor,heartrate,bloodpressure,bloodoxygen 95 andotherdataasbelowPic.96 3.2.smartbraceletconnectioninterface97 3.2.1WatchFaces（userscanmanuallyreplace98 user-definedpicturesorphotos)99 100 3.2.2Notifications（Turnonsocialapps101 messagepushlikeWeChat,Facebook,102 Whats’App,Twitteretc)103 3.2.3.Alarms（3options） 104 3.2.4.Shutter105 3.2.5.Others（Findmysmartbracelet,Time 106 formats,Settingtimeofnodisturbing, 107 Sedentaryreminder,Full-dayhear-rate108 monitor，QuickViewscreen,Weather,Drink 109 Waterreminder,Physiologicalcyclereminder）110 A.Poweron“Findmybracelet”mode,the 111 braceletwillvibratewhentheBluetoothis 112 connectedsuccessfullybetweenmobilephone113 andsmartbracelet. 114 B.Timeformat（2optionsof12&24hours115 system）116 C.Timeformat（2optionsof12&24hours117 system）118 D.Settingmodeofnodisturbing119 E.Sedentaryreminder(Validperiod 120 10:00AM-22:00PM)121 F.Fulldayheart-ratemonitor(Turnonitcan 122 detectyourwholedayheart-rate） 123 G.Quickviewscreen:wakeupscreen（turnon 124 itandchoosevalidtimeperiod) 125 H.DrinkWaterReminder 126 I.Weather（Turnontheweather,choosethe127 cityyouwantorautomaticlocation，theband 128 willshowthelocatedcity’sweather)129 J.Physiologicalcyclereminder130 （Notes：Pleasekindlynoteabovefunctions 131 areworkingbasedonactivatedandsavedthe132 relatedsetup）133 4．Warmnotes134 4.1ConnectBluetooth：135 4.1.1PleasepoweronyourphoneBluetooth 136 andturnonsmartbraceletBluetoothbefore137 connecting;138 4.1.2Pleaseensureyoursmartbraceletdidn’t 139 connectwithotherphonebeforeconnecting；140 4.1.3Pleasekeepclosetoyousmartbracelet 141 whenyouareconnecting. 142 4.2Pleaseturnonmobilephonenotificationsand143 allowpermissionstoruninthebackgroundif your 144 Mobilehasinstalled“Mobilemanager”or145 othersimilarApps,otherwiseyouwillnot146 receivethemessages.147 4.3BatteryRecharge:Poweradaptor:5V148 0.5~1A149 Disclaimer 150 Warning:Thisproductisnotamedicaldevice. 151 Thesmartbandanditsapplicationsshouldnot 152 beusedindiagnosis,treatmentorasa153 preventivetreatmentfordiseasesandsickness.154 Pleaseconsultmedicalprofessionalsbefore155 changingexercisehabitorsleephabittoavoid156 seriousinjuries.Themanufacturerreservesthe157 righttomodifyandimproveanyfunctions 158 descriptioninthisuserguideandcontinuous 159 updateofthenewcontentwithoutfurther 160 notice.Thisuserguideisforreferenceonly,the161 smartbandforsellingissubjecttothefinal162 product.163 Warning：164 Thisdevicecomplieswithpart15oftheFCC165 Rules.Operationissubjecttothefollowingtwo 166 conditions:(1)thisdevicemaynotcause 167 harmfulinterference,and 168 (2)Thisdevicemustacceptanyinterference 169 received,includinginterferencethatmaycause 170 undesiredoperation. 171 Changesormodificationsnotexpressly 172 approvedbythepartyresponsiblefor173 compliancecouldvoidtheuser’sauthorityto174 operatetheequipment.Thisequipmenthas 175 beentestedandfoundtocomplywiththelimits 176 foraClassBdigitaldevice,pursuanttoPart15 177 oftheFCCRules.Theselimitsaredesignedto178 providereasonableprotectionagainstharmful179 interferenceinaresidentialinstallation.This 180 equipmentgeneratesusesandcanradiateradio 181 frequencyenergyand,ifnotinstalledandused 182 inaccordancewiththeinstructions,maycause183 harmfulinterferencetoradiocommunications.184 However,thereisnoguaranteethat185 interferencewillnotoccurinaparticular186 installation.Ifthisequipmentdoescause187 harmfulinterferencetoradioortelevision 188 reception,whichcanbedeterminedbyturning 189 theequipmentoffandon,theuseris 190 encouragedtotrytocorrecttheinterferenceby191 oneormoreofthefollowingmeasures:192 ‐‐Reorientorrelocatethereceivingantenna. 193 ‐‐Increasetheseparationbetweenthe 194 equipmentandreceiver.195 ‐‐Connecttheequipmentintoanoutletona 196 circuitdifferentfromthattowhichthereceiver197 isconnected.198 ‐‐Consultthedealeroranexperienced199 radio/TVtechnicianforhelp.ct. 200 Thedevicehasbeenevaluatedtomeetgeneral201 RFexposurerequirement.202 203 204

SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD CERTIFICATIONSCONCERNING“COVERED”EQUIPMENT Date:Jun.29,2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 FCCID:2A448-K55 ToWhomItMayConcern: Asrequiredbysection 2.911(d)(5)(i),SHENZHENCACGOINTELLIGENTTECHNOLOGY COLTD (“theapplicant”)certifiesthattheequipmentforwhichauthorizationissought isnot“covered”equipmentprohibitedfromreceivinganequipmentauthorization pursuanttosection2.903oftheFCCrules. Asrequiredbysection2.911(d)(5)(ii), SHENZHENCACGOINTELLIGENT TECHNOLOGYCOLTD (“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredListasanentityproducing “covered”equipment. Thankyouforyourattentiontothismatter. Sincerelyyours, Signature: PrintedName:MaggieKuang Company:SHENZHENCACGOINTELLIGENTTECHNOLOGYCOLTD JobTitle:Manager Email:[email protected] Telephone:0755-88398358

SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD LetterofAgency Date：June30,2023 ElementMaterialsTechnology 100FrobisherBusinessPark Malvern Worcestershire WR141BX UK FCCID:2A448-K55 ToWhomItMayConcern: Wecertifythatwearenotsubjecttodenialoffederalbenefits,thatincludesFCCbenefits, pursuanttoSection5301oftheAnti-DrugAbuseACTof1988,U.S.C.862.Further,noparty,as definedin47CFR1.2002(b),totheapplication,issubjecttodenialoffederalbenefits,that includesFCCbenefits. Thankyouforyourattentiontothismatter. Sincerelyyours, Signature: PrintedName:MaggieKuang Company:SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD JobTitle:Manager Email:[email protected] Telephone:0755-88398358

SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD RequestforConfidentialityLetter-FCC Date：June30,2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 Re:Requestforconfidentiality FCCID:2A448-K55 Towhomitmayconcern, Weherebyrespectfullyrequestthatundertheprovisionof47CFR0.459and0.457(d)the documentslistedbelowandattachedwiththisapplicationforcertificationbeprovidedwith confidentialstatus.  Schematics.pdf OperationalDescription.pdf  FrequencyBlockDiagrams.pdf Anyexhibit/informationforwhichwehaverequestedconfidentiality,butwhichmaynotbe accordedsuchtreatmentbytheFCC,shouldbereturnedtous. Thedocumentslistedabovecontaintradesecretsthataretreatedasconfidentialbyus. Substantialcompetitiveharmtouscouldresultshouldtheybemadeavailabletothepublic. Sincerely, Signature: PrintedName:MaggieKuang Company:SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD JobTitle:Manager Email:[email protected] Telephone:0755-88398358

EUTPHOTO(ExternalPhotos)

FCCID:2A448-K55 0.5CM 1.5CM

EUTPHOTO(InternalPhotos) BLE:ANT BT:ANT ※※※※※ENDOFREPORT※※※※※

Antennatestreport  Customer BYM testfrequency BT(2400-2500) Antennamaterial PVB Productname BAND MaterialScienceMetal Testers liuqingyun Consultingphone date 2020.8.21 AntennaappearanceAntennacircuitmatchingdescription matchingparameter E1(0402) 10nH E2(0402) 1pF E3(0402) 3.9nH E4(0402) NC Passiveantennatest frequency frequency Passiveantennaefficiencytest （ antenna 2.4G-3D- benefit ） Contrastdatadiagramofantenna measured （ 10metersdistance ）

FCCID:2A448-K55 RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093， UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, ForBT MaxPower(dBm)MaxPower(mW)Frequency(MHz)Min.distance(mm)Calc.thresholdslimit 4.652.917424415 0.912 3.0 Note:BR/EDRandBLECannotsimultaneoustransmission SoaSARtestisnotrequired

BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-1 Page 1 of 41 FCCPART15C MeasurementandTestReport For SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD FCCID:2A448-K55 FCCRule(s)/Methods: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 ProductDescription: Smartwatch Trademark / Model/Typereference.: K55 ReportNo.:BSL2305318275011F-1 Dateofreceiptoftestitem:Jun.19,2023 Dateofsampling:Jun.19,2023 TestedDate:Jun.19,2023toJun.29,2023 IssuedDate:Jun.29,2023 TestedBy: CindyZheng/Engineer ReviewedBy: HaleyWen/EMCManager Approved&AuthorizedBy: MikeMo/PSQManager BSLTestingCo.,LTD. 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict,Shenzhen,Shiyan Street,Bao'anDistrict,Shenzhen,Guangdong,518052,People’sRepublicofChina Tel:400-882-9628Fax:86-755-26508703 BSLTestingCo.,LTD.ProjectNo.: BSL2305318275011F-1 Page 2 of 41 TableofContentsPage 1.VERSION4 2.SUMMARYOFTESTRESULTS5 2.1TESTFACILITY6 2.2MEASUREMENTUNCERTAINTY6 3.GENERALINFORMATION7 3.1GENERALDESCRIPTION7 3.2DESCRIPTIONOFTESTMODES9 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED9 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)9 3.5EQUIPMENTSLISTFORALLTESTITEMS10 4.EMCEMISSIONTEST12 4.1CONDUCTEDEMISSIONMEASUREMENT12 4.1.11POWERLINECONDUCTEDEMISSIONLIMITS12 4.1.2TESTPROCEDURE12 4.1.3DEVIATIONFROMTESTSTANDARD12 4.1.4TESTSETUP13 4.1.5EUTOPERATINGCONDITIONS13 4.1.6TESTRESULTS13 4.2RADIATEDEMISSIONMEASUREMENT13 4.2.1RADIATEDEMISSIONLIMITS16 4.2.2TESTPROCEDURE17 4.2.3DEVIATIONFROMTESTSTANDARD17 4.2.4TESTSETUP17 4.2.5EUTOPERATINGCONDITIONS18 5.RADIATEDBANDEMISSIONMEASUREMENT23 5.1TESTREQUIREMENT:23 5.2TESTPROCEDURE23 5.3DEVIATIONFROMTESTSTANDARD24 5.4TESTSETUP24 5.5EUTOPERATINGCONDITIONS24 5.6TESTRESULT25 6.POWERSPECTRALDENSITYTEST26 6.1APPLIEDPROCEDURES/LIMIT26 6.2TESTPROCEDURE26 6.3DEVIATIONFROMSTANDARD26 BSLTestingCo.,LTD.ProjectNo.: BSL2305318275011F-1 Page 3 of 41 TableofContentsPage 6.4TESTSETUP26 6.5EUTOPERATIONCONDITIONS26 6.6TESTRESULTS27 7.CHANNELBANDWIDTH29 7.1APPLIEDPROCEDURES/LIMIT29 7.2TESTPROCEDURE29 7.3DEVIATIONFROMSTANDARD29 7.4TESTSETUP29 7.5EUTOPERATIONCONDITIONS29 7.6TESTRESULTS30 8.PEAKOUTPUTPOWERTEST32 8.1APPLIEDPROCEDURES/LIMIT32 8.2TESTPROCEDURE32 8.3DEVIATIONFROMSTANDARD32 8.4TESTSETUP32 8.5EUTOPERATIONCONDITIONS32 8.6TESTRESULTS33 9.CONDUCTEDBANDEDGEANDSPURIOUSEMISSION34 9.1APPLICABLESTANDARD34 9.2TESTPROCEDURE34 9.3DEVIATIONFROMSTANDARD34 9.4TESTSETUP34 9.5EUTOPERATIONCONDITIONS34 10.ANTENNAREQUIREMENT40 11.TESTSETUPPHOTO41 12.EUTCONSTRUCTIONALDETAILS41 BSLTestingCo.,LTD.ProjectNo.: BSL2305318275011F-1 Page 4 of 41 1.VERSION ReportNo.VersionDescriptionApproved BSL2305318275011F-1Rev.01InitialissueofreportJun.29,2023 BSLTestingCo.,LTD.ProjectNo.: BSL2305318275011F-1 Page 5 of 41 2.SUMMARYOFTESTRESULTS Testproceduresaccordingtothetechnicalstandards: FCCPart15(15.247),SubpartC Standard Section TestItemJudgmentRemark FCCpart15.203/15.247 (c) AntennarequirementPASS FCCpart15.207ACPowerLineConductedEmissionPASS FCCpart15.247(b)(3)ConductedPeakOutputPowerPASS FCCpart15.247(a)(2)ChannelBandwidth&99%OCBPASS FCCpart15.247(e)PowerSpectralDensityPASS FCCpart15.247(d)BandEdgePASS FCCpart15.205/15.209SpuriousEmissionPASS NOTE: (1)“N/A”denotestestisnotapplicableinthisTestReport BSLTestingCo.,LTD.ProjectNo.: BSL2305318275011F-1 Page 6 of 41 2.1TESTFACILITY BSLTESTINGCO.,LTD Add.:1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict,Shenzhen,ShiyanStreet, Bao'anDistrict,Shenzhen,Guangdong,518052,People’sRepublicofChina FCCTestFirmRegistrationNumber:562200 DesignationNumber:CN1338 ICRegisteredNo.:11093A DesignationNumber:CN0019 2.2MEASUREMENTUNCERTAINTY Thereporteduncertaintyofmeasurementy±U ， whereexpendeduncertaintyUisbasedonastandard uncertaintymultipliedbyacoveragefactorofk=2，providingalevelofconfidenceofapproximately95 %。 No.ItemUncertainty 1 3mcamberRadiatedspurious emission(9KHz-30MHz) U=4.5dB 2 3mcamberRadiatedspurious emission(30MHz-1GHz) U=4.8dB 3 3mchamberRadiatedspurious emission(1GHz-6GHz) U=4.9dB 4 3mchamberRadiatedspurious emission(6GHz-40GHz) U=5.0dB 5ConducteddisturbanceU=3.2dB 6RFBandEdgeU=1.68dB 7RFpowerconductedU=1.86dB 8RFconductedSpuriousEmissionU=2.2dB 9RFOccupiedBandwidthU=1.8dB 10RFPowerSpectralDensityU=1.75dB 11humidityuncertaintyU=5.3% 12Temperatureuncertainty U=0.59 °C BSLTestingCo.,LTD.ProjectNo.: BSL2305318275011F-1 Page 7 of 41 3.GENERALINFORMATION 3.1GENERALDESCRIPTION Applicant: SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD Addressofapplicant: Room4009,4F,HaseeIndustrialpark,BeierRoad,Bantian, LongGangDistrict,Shenzhen,China Manufacturer: SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD Addressofmanufacturer: Room4009,4F,HaseeIndustrialpark,BeierRoad,Bantian, LongGangDistrict,Shenzhen,China ProductName: Smartwatch ModelNo.: K55 ModelDifferent.: N/A SerialNo.: N/A Sample(s)Status:Engineersample OperationFrequency:2402MHz~2480MHz ChannelNumbers:40 ChannelSeparation:2MHz ModulationType:GFSK AntennaType:Cableantenna Antennagain:-0.84dBi Powersupply: Input:DC3.7V SWITCHINGPOWER ADAPTER: N/A BSLTestingCo.,LTD.ProjectNo.: BSL2305318275011F-1 Page 8 of 41 OperationFrequencyeachofchannel ChannelFrequencyChannelFrequencyChannelFrequencyChannelFrequency 12402MHz112422MHz212442MHz312462MHz 22404MHz122424MHz222444MHz322464MHz 32406MHz132426MHz232446MHz332466MHz 42408MHz142428MHz242448MHz342468MHz 52410MHz152430MHz252450MHz352470MHz 62412MHz162432MHz262452MHz362472MHz 72414MHz172434MHz272454MHz372474MHz 82416MHz182436MHz282456MHz382476MHz 92418MHz192438MHz292458MHz392478MHz 102420MHz202440MHz302460MHz402480MHz Note: Insection15.31(m),regardstotheoperatingfrequencyrangeover10MHz,theLowestfrequency, themiddlefrequency,andthehighestfrequencyofchannelwereselectedtoperformthetest,and theselectedchannelseebelow: ChannelFrequency Thelowestchannel2402MHz Themiddlechannel2440MHz TheHighestchannel2480MHz BSLTestingCo.,LTD.ProjectNo.: BSL2305318275011F-1 Page 9 of 41 3.2DESCRIPTIONOFTESTMODES TransmittingmodeKeeptheEUTincontinuouslytransmittingmode Remark:Duringthetest,thetestvoltagewastunedfrom85%to115%ofthenominalratedsupply voltage,a…

Text truncated - open the document above for the full version.

BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 61 of 78 CFSNVNT2-DH52480MHzAnt1 CFSNVNT3-DH52402MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 62 of 78 CFSNVNT3-DH52441MHzAnt1 CFSNVNT3-DH52480MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 63 of 78 10.NUMBEROFHOPPINGFREQUENCY TestRequirement:FCCPart15CSection15.247(a)(1)(iii) TestMethod:ANSIC63.10:2013 Receiversetup: RBW=100kHz,VBW=300kHz,Frequencyrange=2400MHz-2483.5MHz, Detector=Peak Limit: 15channels 10.1TestSetup 10.2Testprocedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaporttothespectrum. 2.Setthespectrumanalyzer:RBW=100kHz.VBW=300kHz.Sweep=auto;DetectorFunction=Peak. Trace=Maxhold. 3.Allowthetracetostabilize.Itmayprovenecessarytobreakthespanuptosections.inordertoclearly showallofthehoppingfrequencies.ThelimitisspecifiedinoneofthesubparagraphsofthisSection. 4.Setthespectrumanalyzer:StartFrequency=2.4GHz,StopFrequency=2.4835GHz.Sweep=auto; 10.3DEVIATIONFROMSTANDARD Nodeviation. BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 64 of 78 10.4TestResult TestPlots: 79Channelsintotal GFSK π/4-DQPSK BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 65 of 78 8-DPSK BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 66 of 78 11.DWELLTIME TestRequirement:FCCPart15CSection15.247(a)(1)(iii) TestMethod:ANSIC63.10:2013 Receiversetup: RBW=1MHz,VBW=3MHz,Span=0Hz,Detector=Peak Limit:≤0.4Second 11.1TestSetup 11.2Testprocedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaporttothespectrum. 2.Setspectrumanalyzerspan=0Hz; 3.SetRBW=1MHzandVBW=3MHz.Sweep=asnecessarytocapturetheentiredwelltimeperhopping channel.SettheEUTforDH1/DH2/2DH1/2DH3/3DH1/3DH3DH5/2DH5/3DH5packettransmitting. 4.Usethemarker-deltafunctiontodeterminethedwelltime.Ifthisvaluevarieswithdifferentmodesof operation(e.g..datarate.modulationformat.etc.).repeatthistestforeachvariation.Thelimitisspecifiedin oneofthesubparagraphsofthisSection.Submitthisplot(s). 11.3DEVIATIONFROMSTANDARD Nodeviation. BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 67 of 78 11.4TestResult ModeFrequency (MHz) AntennaPulse Time(ms) TotalDwell Time(ms) Burst Count Period Time(ms) Limit (ms) Verdict 1-DH52402Ant12.905290.510031600400Pass 1-DH52441Ant12.901339.41711731600400Pass 1-DH52480Ant12.901313.30810831600400Pass 2-DH52402Ant12.91299.7310331600400Pass 2-DH52441Ant12.891297.77310331600400Pass 2-DH52480Ant12.908308.24810631600400Pass 3-DH52402Ant12.909299.62710331600400Pass 3-DH52441Ant12.908354.77612231600400Pass 3-DH52480Ant12.91328.8311331600400Pass Note1：TotalDwellTime(ms)=PulseTime(ms)*BurstCount Note2：OnlytheworsttestdataDH5/2DH5/3DH5putinthereport BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 68 of 78 TestPlots DwellNVNT1-DH52402MHzAnt1OneBurst DwellNVNT1-DH52402MHzAnt1Accumulated BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 69 of 78 DwellNVNT1-DH52441MHzAnt1OneBurst DwellNVNT1-DH52441MHzAnt1Accumulated BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 70 of 78 DwellNVNT1-DH52480MHzAnt1OneBurst DwellNVNT1-DH52480MHzAnt1Accumulated BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 71 of 78 DwellNVNT2-DH52402MHzAnt1OneBurst DwellNVNT2-DH52402MHzAnt1Accumulated BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 72 of 78 DwellNVNT2-DH52441MHzAnt1OneBurst DwellNVNT2-DH52441MHzAnt1Accumulated BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 73 of 78 DwellNVNT2-DH52480MHzAnt1OneBurst DwellNVNT2-DH52480MHzAnt1Accumulated BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 74 of 78 DwellNVNT3-DH52402MHzAnt1OneBurst DwellNVNT3-DH52402MHzAnt1Accumulated BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 75 of 78 DwellNVNT3-DH52441MHzAnt1OneBurst DwellNVNT3-DH52441MHzAnt1Accumulated BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 76 of 78 DwellNVNT3-DH52480MHzAnt1OneBurst DwellNVNT3-DH52480MHzAnt1Accumulated BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 77 of 78 12.AntennaRequirement Standardrequirement: FCCPart15CSection15.203/247(c) 15.203requirement: Anintentionalradiatorshallbedesignedtoensurethatnoantennaotherthanthatfurnishedbytheresponsiblepartyshall beusedwiththedevice.Theuseofapermanentlyattachedantennaorofanantennathatusesauniquecouplingtothe intentionalradiator,themanufacturermaydesigntheunitsothatabrokenantennacanbereplacedbytheuser,butthe useofastandardantennajackorelectricalconnectorisprohibited. 15.247(c)(1)(i)requirement: (i)Systemsoperatinginthe2400-2483.5MHzbandthatisusedexclusivelyforfixed.Point-to-pointoperationsmay employtransmittingantennaswithdirectionalgaingreaterthan6dBiprovidedthemaximumconductedoutputpowerof theintentionalradiatorisreducedby1dBforevery3dBthatthedirectionalgainoftheantennaexceeds6dBi. EUTAntenna: TheantennaisCableAntenna,thebestcasegainoftheantennasis-0.84dBi,referencetotheappendixIIfordetails BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 78 of 78 13.TestSetupPhoto ReferencetotheappendixIfordetails. 14.EUTConstructionalDetails ReferencetotheappendixIIfordetails. ※※※※※ENDOFREPORT※※※※※

BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 1 of 78 FCCPART15C MeasurementandTestReport For SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD FCCID:2A448-K55 FCCRule(s)/Methods: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 ProductDescription: Smartwatch Trademark / Model/Typereference.: K55 ReportNo.: BSL2305318275011F-2 Dateofreceiptoftestitem: Jun.19,2023 Dateofsampling: Jun.19,2023 TestedDate: Jun.19,2023toJul.01,2023 IssuedDate: Jul.01,2023 TestedBy: CindyZheng/Engineer ReviewedBy: HaleyWen/EMCManager Approved&AuthorizedBy: MikeMo/PSQManager BSLTestingCo.,LTD. 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict,Shenzhen,Shiyan Street,Bao'anDistrict,Shenzhen,Guangdong,518052,People’sRepublicofChina Tel:400-882-9628Fax:86-755-26508703 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275011F-2 Page 2 of 78 Page 1.VERSION..................................................................................................................................4 2.TESTSUMMARY...................................................................................................................5 2.1TESTFACILITY.........................................................................................................................6 2.2MEASUREMENTUNCERTAINTY......................................................................................6 3.GENERALINFORMATION..................................................................................................7 3.1GENERALDESCRIPTIONOFEUT...................................................................................7 3.2TestSetupConfiguration........................................................................................................8 3.3SupportEquipment...................................................................................................................8 3.4TestMode.................................................................................................................................10 3.5EQUIPMENTSLISTFORALLTESTITEMS................................................................11 4.EMCEMISSIONTEST........................................................................................................13 4.1Conductedemissions............................................................................................................13 4.1.1POWERLINECONDUCTEDEMISSIONLimits.......................................................13 4.1.2TESTPROCEDURE..........................................................................................................13 4.1.3DEVIATIONFROMTESTSTANDARD.......................................................................13 4.1.4TESTSETUP.......................................................................................................................14 4.1.5EUTOPERATINGCONDITIONS..................................................................................14 4.1.6TestResult............................................................................................................................15 4.2Radiatedemissions................................................................................................................17 4.2.1RadiatedEmissionLimits.................................................................................................17 4.2.2TESTPROCEDURE..........................................................................................................17 4.2.3DEVIATIONFROMTESTSTANDARD.......................................................................18 4.2.4TESTSETUP.......................................................................................................................18 4.2.5EUTOPERATINGCONDITIONS..................................................................................19 4.2.6TESTRESULTS..................................................................................................................20 5.RADIATEDBANDEMISSIONMEASUREMENT........................................................29 5.1TestRequirement:..................................................................................................................29 5.2TESTPROCEDURE..............................................................................................................29 5.3DEVIATIONFROMTESTSTANDARD...........................................................................30 5.4TESTSETUP...........................................................................................................................30 5.5EUTOPERATINGCONDITIONS......................................................................................30 5.6TESTRESULT........................................................................................................................31 6.CONDUCTEDBANDEDGEANDSPURIOUSEMISSION.......................................34 6.1Limit.............................................................................................................................................34 6.2TestSetup.................................................................................................................................34 6.3Testprocedure.........................................................................................................................34 6.4DEVIATIONFROMSTANDARD.......................................................................................34 6.5TestResult................................................................................................................................35 7.20DB&99%BANDWIDTH..................................................................................................50 7.1TestSetup.................................................................................................................................50 7.2Limit.............................................................................................................................................50 7.3Testprocedure.…

Text truncated - open the document above for the full version.

EUTTESTPHOTO