2A448-K57PROSmart 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”MAC40 addresslastfournumberlike“6326”,thengo41 mobilephone“setting-bluetooth”tosearch 42 thesamebluetoothnamewithlast4numbers43 “6326”tofinishBTconnectionasbelow44 operation. 45 46 47 48 2.SmartbraceletFunctions 49 2.1.TimeInterface50 2.1.1Poweron：LongpressOPENkeyfor351 seconds. 52 2.2.2Poweroff：Onthetimeinterface，press53 “OPEN”sidebuttonfor3seconds,thenclick” 54 √“icontoturnoff 55 2.2.3Switchwatchface：Longpressthescreen56 basedonmainwatchface,4interface 57 options,andthe4 th dialcanmanually58 replaceuser-definedpicturesorphotos59 ontheAPP60 2.2.Functionsmenu 61 2.2.1.Activityrecords（Steprecords)62 2.2.2.Sleepmonitor 63 Sleepmonitorperiod:20:00PMto10:00AM64 Plsmakesurewearedthebraceletdevice65 2.2.3.Exercise 66 67 2.2.4.HeartRatemonitor 68 2.2.5.BloodPressureDetection 69 2.2.6.BloodOxygenDetection70 71 72 73 2.2.7.Weather（Slideupscreencancheckthis 74 weekweatherinformation) 75 76 2.2.8.Player（EnterBTmusic,clickmiddleicon 77 topauseorcontinue，taplefticontoplaylast78 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.About 91 3.3.Menuview92 3.4.Vibrationormutemode93 3.5.Brightnessadjustment 94 3.6Setting95 96 4.FunctionsonFitCloudProApp 97 4.1.Datasync98 Allmeasureddatafromsmartbraceletwillbe99 synconmobilephoneFitCloudProappeg: 100 step,sleepmonitor,heartrate,blood101 pressure,bloodoxygenandotherdataasbelow 102 Pic. 103 4.2.smartbraceletconnectioninterface104 4.2.1WatchFaces（userscanmanuallyreplace 105 user-definedpicturesorphotos)106 107 108 109 4.2.2Notifications（Turnonsocialapps 110 messagepushlikeWeChat,Facebook, 111 Whats’App,Twitteretc)112 4.2.3.Alarms（3options） 113 114 4.2.4.Shutter115 4.2.5.Others（Findmysmartbracelet,Time116 formats,Settingtimeofnodisturbing,117 Sedentaryreminder,Full-dayhear-rate118 monitor，QuickViewscreen,Weather,Drink119 Waterreminder,Physiologicalcyclereminder）120 A.Poweron“Findmybracelet”mode,the 121 braceletwillvibratewhentheBluetoothis 122 connectedsuccessfullybetweenmobilephone 123 andsmartbracelet.124 B.Timeformat（2optionsof12&24hours 125 system）126 C.Timeformat（2optionsof12&24hours127 system） 128 D.Settingmodeofnodisturbing129 E.Sedentaryreminder(Validperiod130 10:00AM-22:00PM)131 F.Fulldayheart-ratemonitor(Turnonitcan132 detectyourwholedayheart-rate） 133 G.Quickviewscreen:wakeupscreen（turnon134 itandchoosevalidtimeperiod)135 H.DrinkWaterReminder 136 I.Weather（Turnontheweather,choosethe137 cityyouwantorautomaticlocation，theband 138 willshowthelocatedcity’sweather) 139 J.Physiologicalcyclereminder140 （Notes：Pleasekindlynoteabovefunctions 141 areworkingbasedonactivatedandsavedthe142 relatedsetup）143 5．Warmnotes144 5.1ConnectBluetooth：145 5.1.1PleasepoweronyourphoneBluetooth 146 andturnonsmartbraceletBluetoothbefore 147 connecting; 148 5.1.2Pleaseensureyoursmartbraceletdidn’t149 connectwithotherphonebeforeconnecting； 150 5.1.3Pleasekeepclosetoyousmartbracelet151 whenyouareconnecting.152 5.2 Pleaseturnonmobilephonenotificationsand153 allowpermissionstoruninthebackgroundifyour154 Mobilehasinstalled“Mobilemanager”or155 othersimilarApps,otherwiseyouwillnot156 receivethemessages.157 5.3BatteryRecharge:Poweradaptor:5V 158 0.5~1A159 Disclaimer160 Warning:Thisproductisnotamedicaldevice. 161 Thesmartbandanditsapplicationsshouldnot162 beusedindiagnosis,treatmentorasa163 preventivetreatmentfordiseasesandsickness.164 Pleaseconsultmedicalprofessionalsbefore165 changingexercisehabitorsleephabittoavoid166 seriousinjuries.Themanufacturerreservesthe 167 righttomodifyandimproveanyfunctions 168 descriptioninthisuserguideandcontinuous 169 updateofthenewcontentwithoutfurther 170 notice.Thisuserguideisforreferenceonly,the171 smartbandforsellingissubjecttothefinal172 product. 173 Warning：174 Thisdevicecomplieswithpart15oftheFCC175 Rules.Operationissubjecttothefollowingtwo 176 conditions:(1)thisdevicemaynotcause 177 harmfulinterference,and178 (2)Thisdevicemustacceptanyinterference 179 received,includinginterferencethatmaycause 180 undesiredoperation.181 Changesormodificationsnotexpressly182 approvedbythepartyresponsiblefor183 compliancecouldvoidtheuser’sauthorityto 184 operatetheequipment.Thisequipmenthas 185 beentestedandfoundtocomplywiththelimits186 foraClassBdigitaldevice,pursuanttoPart15187 oftheFCCRules.Theselimitsaredesignedto188 providereasonableprotectionagainstharmful 189 interferenceinaresidentialinstallation.This 190 equipmentgeneratesusesandcanradiateradio 191 frequencyenergyand,ifnotinstalledandused 192 inaccordancewiththeinstructions,maycause193 harmfulinterferencetoradiocommunications.194 However,thereisnoguaranteethat 195 interferencewillnotoccurinaparticular 196 installation.Ifthisequipmentdoescause 197 harmfulinterferencetoradioortelevision198 reception,whichcanbedeterminedbyturning199 theequipmentoffandon,theuseris 200 encouragedtotrytocorrecttheinterferenceby 201 oneormoreofthefollowingmeasures: 202 ‐‐Reorientorrelocatethereceivingantenna.203 ‐‐Increasetheseparationbetweenthe 204 equipmentandreceiver. 205 ‐‐Connecttheequipmentintoanoutletona206 circuitdifferentfromthattowhichthereceiver207 isconnected. 208 ‐‐Consultthedealeroranexperienced209 radio/TVtechnicianforhelp.ct.210 Thedevicehasbeenevaluatedtomeetgeneral 211 RFexposurerequirement.212

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-K57PRO Model(s):K57PRO 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-K57PRO Model(s):K57PRO 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):K57PRO 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-K57PRO 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-K57PRO 0.5CM 1.5CM

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FCCID:2A448-K57PRO 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 2.071.610624025 0.499 3.0 SoaSARtestisnotrequired

BSLTestingCo.,LTD.ProjectNo.:BSL2305318275015F-2 Page 1 of 78 FCCPART15C MeasurementandTestReport For SHENZHENCACGOINTELLIGENTTECHNOLOGYCO.,LTD FCCID:2A448-K57PRO FCCRule(s)/Methods: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 ProductDescription: Smartwatch Trademark / Model/Typereference.: K57PRO ReportNo.: BSL2305318275015F-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.:BSL2305318275015F-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 7.3Testproc…

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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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