2A448-K52Smart watch

1 SmartBraceletUser2 Manual 3 4 5 6 7 Pleasemakeafullchargebeforeuseit.8 APP:FitCloudPro9 10 11 DownloadAPP12 13 1.1Longpresshomekeytoturnon. 14 1.2ScanbelowQRcodetoinstallFitCloudPro15 APP,Ordownload“FitCloudPro”fromApp 16 Store,GooglePlayertheninstallit.17 18 CompatibleSystem:Android4.4andabove，19 iOS8.0andabove20 21 22 23 24 25 26 27 28 29 30 31 32 33 BTCallingVersionconnecting34 Step1：TurnonmobilephoneBluetooth 35 Step2：Open“FitCloudPro”APP，Tap“Adda 36 device”toconnect.37 Step3:Turnonphonemenuonthewatch. 38 39 Step4:Checkwatchmenu“about”MAC 40 addresslastfournumberlike“6326”,thengo 41 mobilephone“setting-bluetooth”tosearch42 thesamebluetoothnamewithlast4numbers 43 “6326”tofinishBTconnectionasbelow44 operation.45 46 47 48 2.SmartbraceletFunctions49 2.1.TimeInterface50 2.1.1Poweron：LongpressOPENkeyfor351 seconds.52 2.2.2Poweroff：Onthetimeinterface，press 53 “OPEN”sidebuttonfor3seconds,thenclick”54 √“icontoturnoff 55 2.2.3Switchwatchface：Longpressthescreen 56 basedonmainwatchface,4interface 57 options,andthe4 th dialcanmanually 58 replaceuser-definedpicturesorphotos59 ontheAPP 60 2.2.Functionsmenu 61 2.2.1.Activityrecords（Steprecords)62 2.2.2.Sleepmonitor63 Sleepmonitorperiod:20:00PMto10:00AM64 Plsmakesurewearedthebraceletdevice65 2.2.3.Exercise66 67 2.2.4.HeartRatemonitor 68 2.2.5.BloodPressureDetection 69 2.2.6.BloodOxygenDetection 70 71 72 2.2.7.Weather（Slideupscreencancheckthis 73 weekweatherinformation)74 75 76 2.2.8.Player（EnterBTmusic,clickmiddleicon77 topauseorcontinue，taplefticontoplaylast 78 song，taprighticontoplaynextsong）79 80 2.2.9.Notificationspush（TurnonFitCloudPro81 app”Notifications”socialapplike82 Facebook,Twitter,Skypeetc,83 PayattentiononAndroidmobilephonesetup: 84 FitCloudProapp/Notification/Accessibilityto85 turnon“FitCloudPro”86 3.Pop-upmenu（Slidedownscreen87 frommainwatchdial）88 89 3.1.Phone90 3.2.About91 3.3.Menuview92 3.4.Vibrationormutemode 93 3.5.Brightnessadjustment94 3.6Setting95 96 4.FunctionsonFitCloudProApp97 4.1.Datasync 98 Allmeasureddatafromsmartbraceletwillbe 99 synconmobilephoneFitCloudProappeg:100 step,sleepmonitor,heartrate,blood 101 pressure,bloodoxygenandotherdataasbelow102 Pic.103 4.2.smartbraceletconnectioninterface104 4.2.1WatchFaces（userscanmanuallyreplace105 user-definedpicturesorphotos)106 107 108 4.2.2Notifications（Turnonsocialapps 109 messagepushlikeWeChat,Facebook, 110 Whats’App,Twitteretc)111 4.2.3.Alarms（3options） 112 113 4.2.4.Shutter 114 4.2.5.Others（Findmysmartbracelet,Time 115 formats,Settingtimeofnodisturbing, 116 Sedentaryreminder,Full-dayhear-rate117 monitor，QuickViewscreen,Weather,Drink 118 Waterreminder,Physiologicalcyclereminder）119 A.Poweron“Findmybracelet”mode,the120 braceletwillvibratewhentheBluetoothis 121 connectedsuccessfullybetweenmobilephone122 andsmartbracelet.123 B.Timeformat（2optionsof12&24hours124 system）125 C.Timeformat（2optionsof12&24hours 126 system）127 D.Settingmodeofnodisturbing128 E.Sedentaryreminder(Validperiod 129 10:00AM-22:00PM)130 F.Fulldayheart-ratemonitor(Turnonitcan 131 detectyourwholedayheart-rate） 132 G.Quickviewscreen:wakeupscreen（turnon133 itandchoosevalidtimeperiod) 134 H.DrinkWaterReminder135 I.Weather（Turnontheweather,choosethe136 cityyouwantorautomaticlocation，theband137 willshowthelocatedcity’sweather)138 J.Physiologicalcyclereminder139 （Notes：Pleasekindlynoteabovefunctions 140 areworkingbasedonactivatedandsavedthe 141 relatedsetup） 142 5．Warmnotes143 5.1ConnectBluetooth： 144 5.1.1PleasepoweronyourphoneBluetooth145 andturnonsmartbraceletBluetoothbefore146 connecting; 147 5.1.2Pleaseensureyoursmartbraceletdidn’t148 connectwithotherphonebeforeconnecting；149 5.1.3Pleasekeepclosetoyousmartbracelet150 whenyouareconnecting.151 5.2 Pleaseturnonmobilephonenotificationsand152 allowpermissionstoruninthebackgroundifyour153 Mobilehasinstalled“Mobilemanager”or154 othersimilarApps,otherwiseyouwillnot 155 receivethemessages.156 5.3BatteryRecharge:Poweradaptor:5V 157 0.5~1A 158 Disclaimer159 Warning:Thisproductisnotamedicaldevice. 160 Thesmartbandanditsapplicationsshouldnot 161 beusedindiagnosis,treatmentorasa162 preventivetreatmentfordiseasesandsickness.163 Pleaseconsultmedicalprofessionalsbefore164 changingexercisehabitorsleephabittoavoid 165 seriousinjuries.Themanufacturerreservesthe166 righttomodifyandimproveanyfunctions167 descriptioninthisuserguideandcontinuous 168 updateofthenewcontentwithoutfurther 169 notice.Thisuserguideisforreferenceonly,the 170 smartbandforsellingissubjecttothefinal171 product.172 Warning： 173 Thisdevicecomplieswithpart15oftheFCC174 Rules.Operationissubjecttothefollowingtwo175 conditions:(1)thisdevicemaynotcause 176 harmfulinterference,and 177 (2)Thisdevicemustacceptanyinterference178 received,includinginterferencethatmaycause179 undesiredoperation.180 Changesormodificationsnotexpressly181 approvedbythepartyresponsiblefor182 compliancecouldvoidtheuser’sauthorityto183 operatetheequipment.Thisequipmenthas 184 beentestedandfoundtocomplywiththelimits 185 foraClassBdigitaldevice,pursuanttoPart15 186 oftheFCCRules.Theselimitsaredesignedto 187 providereasonableprotectionagainstharmful188 interferenceinaresidentialinstallation.This189 equipmentgeneratesusesandcanradiateradio 190 frequencyenergyand,ifnotinstalledandused 191 inaccordancewiththeinstructions,maycause 192 harmfulinterferencetoradiocommunications.193 However,thereisnoguaranteethat194 interferencewillnotoccurinaparticular 195 installation.Ifthisequipmentdoescause 196 harmfulinterferencetoradioortelevision 197 reception,whichcanbedeterminedbyturning198 theequipmentoffandon,theuseris199 encouragedtotrytocorrecttheinterferenceby200 oneormoreofthefollowingmeasures:201 ‐‐Reorientorrelocatethereceivingantenna. 202 ‐‐Increasetheseparationbetweenthe203 equipmentandreceiver.204 ‐‐Connecttheequipmentintoanoutletona 205 circuitdifferentfromthattowhichthereceiver206 isconnected.207 ‐‐Consultthedealeroranexperienced 208 radio/TVtechnicianforhelp.ct.209 Thedevicehasbeenevaluatedtomeetgeneral 210 RFexposurerequirement.211 212 213

SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD 2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Section2.911(d)(5)(i)Certification–EquipmentType Companyname:SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD Address:Room4009,4F,HaseeIndustrialpark,BeierRoad,Bantian, LongGangDistrict,Shenzhen,China ProductName:Smartwatch FCCID:2A448-K52 Model(s):K52 2.911(d)(5)(i)EquipmentType We,[SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD](“theapplicant”)certifythatthe equipmentforwhichauthorizationissoughtthroughcertificationisnot:  Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules.  Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:MaggieKuangDate:2023-7-6 TitleandCompanyname:manager,SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD NOTE1 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD 2.911(d)(5)(ii)ApplicantAttestationv1.3 Section2.911(d)(5)(ii)Certification– Applicant(CoveredList ) Companyname:SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD Address:Room4009,4F, HaseeIndustrialpark,BeierRoad,Bantian, LongGangDistrict,Shenzhen,China ProductName:Smartwatch FCC ID: 2A448-K52 Model(s):K52 2.911(d)(5)(ii) Applicant filing We, [SHENZHEN CACGO INTELLIGENT TECHNOLOGY CO.,LTD] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 , established pursuant to § 1.50002 of this chapter, as an entity producing covered communications equipment. Yourssincerely, Name:Maggie KuangDate:2023-7-6 Title and Companyname:manager,SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD NOTE1 Deleteoptionnot applicableto this application. NOTE2 “CoveredList ” ; is the List of Equipmentand ServicesCoveredBy Section2 of The SecureNetworksAct, availableat https://www.fcc.gov/supplychain/coveredlist References; 1) 986446D01 CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) FederalRegisterdocument2022-28263publishedon 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD AgentAuthorization Company:SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD Address:Room4009,4F,HaseeIndustrialpark,BeierRoad,Bantian, LongGangDistrict,Shenzhen,China ProductName:Smartwatch ModelNumber(s):K52 ProductDescription:BluetoothDual WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2023-7-6 Name:MaggieKuang Title:Manager Company:SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD

SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2023-7-6 Subject;RequestforConfidentiality FCCID:2A448-K52 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:MaggieKuang Title:Manager

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FCCID:2A448-K52 0.5CM 1.5CM

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FCCID:2A448-K52 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 2.561.80324025 0.559 3.0 SoaSARtestisnotrequired

BSLTestingCo.,LTD.ProjectNo.:BSL2305318275014F-2 Page 1 of 78 FCCPART15C MeasurementandTestReport For SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD FCCID:2A448-K52 FCCRule(s)/Methods: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 ProductDescription: Smartwatch Trademark / Model/Typereference.: K52 ReportNo.: BSL2305318275014F-2 Dateofreceiptoftestitem: Jul.03,2023 Dateofsampling: Jul.03,2023 TestedDate: Jul.03,2023toJul.11,2023 IssuedDate: Jul.11,2023 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.:BSL2305318275014F-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...................................................................................................................9 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.…

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深圳市麒鑫通达科技有限公司 SHENZHENQXTDTechnologyCo.,Ltd样品承认书 PartApprovalSheet Version：V1.0 Customer ： ShenzhenHaikangshengIntelligentCo.,Ltd Project：Bluetoothantenna PartName ： Conductingwire PartColor：Black PartNumber： SampleDeliveryDate ： April3,2021 SampleQuantity：5PCS Sampletype ： Built-inwireANT ReasonforSampleDelivery：○Newtooling○Newsupplier○Toolingchange○Engineeringchange○Other: Remark ： Suppliersampleproductionconfirmation:(stamprequired) FormulateConfirmApproveQualityStamp 代庆蓉龙超群傅梁成曹光平 Customerapproval: Project confirmation ProjectapprovalQuality confirmation QualityapprovalConfirmationdate 深圳市麒鑫通达科技有限公司 SHENZHENQXTDTechnologyCo.,Ltd样品承认书 Page1 Confidentialdocuments 机密文件 1.Graphicforreference Figure20.8*20mmBT 2.OTA(FreeSpace) ChannelTRP（dBm）TIS（dBm） 06.3-91.1 396.5-91.3 786.6-91.2 NameANTENNA ModelLT13 Frequency 2.4Ghz Inputimpedance50Ω Allowedpower5mW Workingtemp.-25~+65°C Storagetemp. -40~+85°C Weight0.25g Antennagain天线 增益 -1dBi 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.Field 4.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 5.Blueprint

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