2BKSC-LIGHTPRODUAL LIGHT PRO

FCC Warning Statement: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver. - Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. - Consult the dealer or an experienced radio/TV technician for help. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC Radiation Exposure Statement The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

DongguanWXlndustryCo.,Ltd 2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Section2.911(d)(5)(i)Certification–EquipmentType Companyname:DongguanWXlndustryCo.,Ltd Address:Room502,Building2,No.2,LianhuBeiyuanSecondRoad,Tangxia Town,Dongguan,GuangdongChina ProductName:DUALLIGHTPRO FCCID:2BKSC-LIGHTPRO Model(s):DUALLIGHTPRO 2.911(d)(5)(i)EquipmentType We,[DongguanWXlndustryCo.,Ltd](“theapplicant”)certifythattheequipmentforwhich authorizationissoughtthroughcertificationisnot:  Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules.  Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:YeKaiBingDate:2024.9.4 TitleandCompanyname:Manager/DongguanWXlndustryCo.,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

DongguanWXlndustryCo.,Ltd 2.911(d)(5)(ii)ApplicantAttestationv1.3 Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:DongguanWXlndustryCo.,Ltd Address:Room502,Building2,No.2,LianhuBeiyuanSecondRoad,Tangxia Town,Dongguan,GuangdongChina ProductName:DUALLIGHTPRO FCCID:2BKSC-LIGHTPRO Model(s):DUALLIGHTPRO 2.911(d)(5)(ii)Applicantfiling We,[DongguanWXlndustryCo.,Ltd](“theapplicant”)certifythat,asofthedateofthefilingofthe application,theapplicantisnotidentified NOTE1 onthe“CoveredList” NOTE2 ,establishedpursuantto §1.50002ofthischapter,asanentityproducingcoveredcommunicationsequipment. Yourssincerely, Name:YeKaiBingDate:2024.9.4 TitleandCompanyname:Manager/DongguanWXlndustryCo.,Ltd NOTE1 Deleteoptionnotapplicabletothisapplication. NOTE2 “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

DongguanWXlndustryCo.,Ltd 2.911(d)(7)USAAgentv1.5 Section2.911(d)(7)USAAgentforServiceofProcess Companyname:DongguanWXlndustryCo.,Ltd Address:Room502,Building2,No.2,LianhuBeiyuanSecondRoad,Tangxia Town,Dongguan,GuangdongChina ProductName:DUALLIGHTPRO FCCID:2BKSC-LIGHTPRO Model(s):DUALLIGHTPRO 2.911(d)(7)USADesignatedAgentforServiceofProcess We,[DongguanWXlndustryCo.,Ltd](“theapplicant”)designate[StoneTrading Limited] NOTE1 forthepurposeofacceptingserviceofprocessonbehalfofthe applicant. Applicantconsent:Weacknowledgeourconsenttoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddressofthedesignatedagentandacknowledgeour acceptanceofourobligationtomaintainanagentforserviceofprocessintheUnited Statesfornolessthanoneyearaftereitherwethegranteehavepermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S., orattheconclusionofanyCommission-relatedadministrativeorjudicialproceeding involvingtheequipment,whicheverislater. Agentobligation:Weacknowledgeourobligationtoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipmentatourphysicalU.S. addressandemailaddressfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipment withintheU.S.,orattheconclusionofanyCommission-relatedadministrativeor judicialproceedinginvolvingtheequipment,whicheverislater. USAAgent Companyname:StoneTradingLimited USAAddress:6547NAcademyBlvd #2266,ColoradoSprings,CO80918,United States FRNNumber ： 0033401936 ContactName:DongmeiFang TelephoneNo:+12134573118 Email:[email protected] Applicant Companyname:DongguanWXlndustry Co.,Ltd Address:Room502,Building 2,No.2,LianhuBeiyuanSecond Road,Tangxia Town,Dongguan,GuangdongChina GranteeFRNNumber:0035900711 FCCGranteeCode:2BKSC ContactName:YeKaiBing TelephoneNo:13580746685 Email:[email protected] Signature: Title:Manager Signature: DongguanWXlndustryCo.,Ltd 2.911(d)(7)USAAgentv1.5 Title:Manager Date:2024.9.4Date:2024.9.4 NOTE1:AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforservice ofprocess. Reference;FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

DongguanWXlndustryCo.,Ltd AgentAuthorization Company:DongguanWXlndustryCo.,Ltd Address:Room502,Building2,No.2,LianhuBeiyuanSecondRoad,Tangxia Town,Dongguan,GuangdongChina ProductName:DUALLIGHTPRO ModelNumber(s):DUALLIGHTPRO ProductDescription:DUALLIGHTPRO WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2024.9.4 Name:YeKaiBing Title:Manager Company:DongguanWXlndustryCo.,Ltd

DongguanWXlndustryCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024.9.4 Subject;RequestforConfidentiality FCCID:2BKSC-LIGHTPRO 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:YeKaiBing Title:Manager

EUTPHOTO(ExternalPhotos) TestMode:DUALLIGHTPRO ※※※※※ENDOFREPORT※※※※※

Labelandlabellocation FCCIDLABEL: High:1cm Wide:2cm LabelLocation: Model:DUALLIGHTPRO FCCID:2BKSC-LIGHTPRO

EUT PHOTO(Internal Photos) Test Mode: DUAL LIGHT PRO ※※※※※END OF REPORT※※※※※ BT ANT

Approval sheet Page 1 of 9 ASC_RFANT5220110A2T_V02 Apr. 2010 MULTILAYER CERAMIC ANTENNA RFANT Series – RoHS Compliance 2.4 GHz ISM Band Working Frequency P/N: RFANT5220110A2T *Contents in this sheet are subject to change without prior notice. Approval sheet Page 2 of 9 ASC_RFANT5220110A2T_V02 Apr. 2010 FEATURES
Surface Mounted Devices with a small dimension of 5.2 x 2.0 x 1.1 mm 3 meet future miniaturization trend.
Embedded and LTCC (Low Temperature Co-fired Ceramic) technology is able to future integrate with system design as well as beautifying the housing of final product.
High Stability in Temperature / Humidity Change APPLICATIONS
Bluetooth
Wireless LAN
HormRF
ISM band 2.4GHz wireless applications DESCRIPTION Walsin Technology Corporation develops a new ceramic embedded antenna specified for 2.4 GHz ISM Band application, as shown in below “CONSTRUCTION”. Both of Wireless LAN IEEE 802.11b and Bluetooth TM typically located on this unlicensed frequency band which range covers from 2.4GHz to 2.4835GHz. To fulfil the friendly usage for antenna, this antenna has been designed to a typical 150MHz bandwidth through Walsin’s advanced LTCC (Low Temperature Co-fired Ceramic) technology and superior product design via 3D EM Simulation Skill. This antenna has a rectangular ceramic body with a tiny dimension of 5.2x 2.0 x 1.1 mm 3 meet the future SMT automation and miniaturization requirements on modern portable devices. CONSTRUCTION Fig 1. Outline of 2.4GHz Antenna – RFANT5220110A2T Fig 2. Dimension L= 2.0 ±0.2 mm T= 1.15 ±0.10 mm W = 5.2 ± 0.2 mm A = 0.40 ± 0.25 mm A = 0.40 ± 0.25 mm WTC B L= 2.0 ±0.2 mm T= 1.15 ±0.10 mm W = 5.2 ± 0.2 mm A = 0.40 ± 0.25 mm A = 0.40 ± 0.25 mm WTC B Identification mark Soldering terminal W T C W T C B B Feeding Identification mark Soldering terminal W T C W T C B B Feeding Approval sheet Page 3 of 9 ASC_RFANT5220110A2T_V02 Apr. 2010  SOLDER LAND PATTERN DESIGN Figure ELECTRICAL CHARACTERISTICS RFANT5220110A2T Specification Working Frequency Range 2.4 GHz ～ 2.5GHz Gain 2 .07dBi (Typical) VSWR 2 max. Polarization Linear Azimuth Bandwidth Omni-directional Impedance 50Ω Rated Power (max.) 3 Watts Maximum Input Power 5 Watts for 5 minutes Operation Temperature -40 ̊C ~ +85 ̊C Remark: The specification is defined based on the test board dimension as in below To 50Ω RF I/O GROUND 6.4 1.0 1.0 4.4 2.0 Ground Soldering Pad 50 ΩTransmission Line Unit : mm 1.0 To 50Ω RF I/O GROUND 6.46.4 1.0 1.0 4.4 2.0 Ground Soldering Pad 50 ΩTransmission Line Unit : mm 1.0 Approval sheet Page 4 of 9 ASC_RFANT5220110A2T_V02 Apr. 2010  Antenna on Test Board ( FR4 Thickness 0.8mm) Antenna S11 on Test Board  Bandwidth>150 MHz Empty Area 50Ω ΩΩ ΩFeed line GROUND 30x18 mm 2.0mm 2.5mm 18mm WTC B Empty Area 18x9 mm 1mm Empty Area 50Ω ΩΩ ΩFeed line GROUND 30x18 mm 2.0mm 2.5mm 18mm WTC B WTC B Empty Area 18x9 mm 1mm Approval sheet Page 5 of 9 ASC_RFANT5220110A2T_V02 Apr. 2010 RADIATION PATTERN Radiation Pattern and Gain were dependent on measurement board design. The specification of RFANT5220110A2T antenna was measured based on the PCB size and installation position as shown in the below figure Test Board V ertical Horizontal Y - Z Plane Average Gain= 0.583 dBi Peak Gain = 1.74dBi Average Gain = -0.57dBi Peak Gain= 0.10dBi Average Gain=-5.74dBi X - Z Plane Average Gain= -1.478 dBi Peak Gain= -3.04 dBi Average Gain= -9.21dBi Peak Gain= 2.00 dBi Average Gain= -2.28 dBi X - Y Plane Average Gain= -1.840 dBi Peak Gain= -1.86 dBi Average Gain= -8.63dBi Peak Gain= 2.07 dBi Average Gain= -2.86 dBi z Y z Y z X z X X Y X Y Empty Area GROUND 30x18 mm X Y Z WTC B Empty Area GROUND 30x18 mm X Y Z X Y Z WTC B WTC B Approval sheet Page 6 of 9 ASC_RFANT5220110A2T_V02 Apr. 2010 RELIABILITY TEST Test item Test condition / Test method Specification Solderability JIS C 0050-4.6 JESD22-B102D *Solder bath temperature：235 ± 5°C *Immersion time：2 ± 0.5 sec *Solder：Sn3Ag0.5Cu for lead-free At least 95% of a surface of each terminal electrode must be covered by fresh solder. Leaching (Resistance to dissolution of metallization) IEC 60068-2-58 *Solder bath temperature：260 ± 5°C *Leaching immersion time：30 ± 0.5 sec *Solder : SN63A Loss of metallization on the edges of each electrode shall not exceed 25%. Resistance to soldering heat JIS C 0050-5.4 *Preheating temperature：120~150°C, 1 minute. *Solder temperature：270±5°C *Immersion time：10±1 sec *Solder：Sn3Ag0.5Cu for lead-free Measurement to be made after keeping at room temperature for 24±2 hrs No mechanical damage. Samples shall satisfy electrical specification after test. Loss of metallization on the edges of each electrode shall not exceed 25%. Drop Test JIS C 0044 *Height：75 cm *Test Surface：Rigid surface of concrete or steel. *Times：6 surfaces for each units；2 times for each side. No mechanical damage. Samples shall satisfy electrical specification after test. Adhesive Strength of Termination JIS C 0051- 7.4.3 *Pressurizing force： 5N(≦0603)；10N(>0603) *Test time：10±1 sec No remarkable damage or removal of the termination. Bending test JIS C 0051- 7.4.1 The middle part of substrate shall be pressurized by means of the pressurizing rod at a rate of about 1 mm/s per second until the deflection becomes 1mm/s and then pressure shall be maintained for 5±1 sec. Measurement to be made after keeping at room temperature for 24±2 hours No mechanical damage. Samples shall satisfy electrical specification after test. Approval sheet Page 7 of 9 ASC_RFANT5220110A2T_V02 Apr. 2010 Temperature cycle JIS C 0025 1. 30±3 minutes at -40°C±3°C, 2. 10~15 minutes at room temperature, 3. 30±3 minutes at +85°C±3°C, 4. 10~15 minutes at room temperature, Total 100 continuous cycles Measurement to be made after keeping at room temperature for 24±2 hrs No mechanical damage. Samples shall satisfy electrical specification after test. Vibration JIS C 0040 *Frequency：10Hz~55Hz~10Hz(1min) *Total amplitude：1.5mm *Test times：6hrs.(Two hrs each in three mutually perpendicular directions) N…

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ProjectNo.:ZKT-24082110244E Page 1 of 41 FCCTESTREPORT FCCID:2BKSC-LIGHTPRO ReportNumber. .................................. :ZKT-24082110244E DateofTest ....................................................... :Aug.21,2024toAug.27,2024 Dateofissue.........................................:Aug.27,2024 Totalnumberofpages.......................... 41 TestResult .......................................... :PASS TestingLaboratory............................: ShenzhenZKTTechnologyCo.,Ltd. Address...............................................: 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname ............................. :DongguanWXlndustryCo.,Ltd Address...............................................: Room502,Building2,No.2,LianhuBeiyuanSecondRoad,Tangxia Town,Dongguan,Guangdong Manufacturer'sname......................:DongguanWXlndustryCo.,Ltd Address ............................................... : Room502,Building2,No.2,LianhuBeiyuanSecondRoad,Tangxia Town,Dongguan,Guangdong Testspecification: Standard ................................................ : FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 Testprocedure.....................................: / Non-standardtestmethod................:N/A TestReportFormNo. ....................... : / TestReportForm(s)Originator.....: ZKTTesting MasterTRF........................................: Dated:2020-01-06 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname ..................................... :DUALLIGHTPRO Trademark...........................................:N/A Model/Typereference......................:DUALLIGHTPRO Ratings .................................................. : Input:5V2A Batterycapacity:DC3.7V,5000mAh,18.5Wh ProjectNo.:ZKT-24082110244E Page 2 of 41 Testingprocedureandtestinglocation: TestingLaboratory ....................................... : ShenzhenZKTTechnologyCo.,Ltd. Address ............................................................ :1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China JimLiu Testedby(name+signature).......................: JacksonFang Reviewer(name+signature).......................: LakeXie Approved(name+signature).......................: ProjectNo.:ZKT-24082110244E Page 3 of 41 TableofContents Page 1.VERSION....................................................................................................................5 2.SUMMARYOFTESTRESULTS...............................................................................6 2.1TESTFACILITY.................................................................................................................7 2.2MEASUREMENTUNCERTAINTY....................................................................................7 3.GENERALINFORMATION........................................................................................8 3.1GENERALDESCRIPTIONOFEUT.................................................................................8 3.2DESCRIPTIONOFTESTMODES....................................................................................9 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED............10 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)......................................10 3.5EQUIPMENTSLISTFORALLTESTITEMS.................................................................11 4.EMCEMISSIONTEST.............................................................................................13 4.1CONDUCTEDEMISSIONMEASUREMENT..................................................................13 4.1.1POWERLINECONDUCTEDEMISSIONLimits...................................................13 4.1.2TESTPROCEDURE...............................................................................................13 4.1.3DEVIATIONFROMTESTSTANDARD..................................................................13 4.1.4TESTSETUP...........................................................................................................14 4.1.5EUTOPERATINGCONDITIONS...........................................................................14 4.2.1RADIATEDEMISSIONLIMITS...............................................................................17 4.2.2TESTPROCEDURE...............................................................................................18 4.2.3DEVIATIONFROMTESTSTANDARD..................................................................18 4.2.4TESTSETUP...........................................................................................................18 4.2.5EUTOPERATINGCONDITIONS...........................................................................19 5.RADIATEDBANDEMISSIONMEASUREMENT.....................................................24 5.1TESTREQUIREMENT:..............................................................................................24 5.2TESTPROCEDURE..................................................................................................24 5.3DEVIATIONFROMTESTSTANDARD.....................................................................24 5.4TESTSETUP..............................................................................................................25 5.5EUTOPERATINGCONDITIONS..............................................................................25 5.6TESTRESULT...........................................................................................................26 6.POWERSPECTRALDENSITYTEST......................................................................27 6.1APPLIEDPROCEDURES/LIMIT.........................................................................…

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EUTTESTPHOTO TestMode:DUALLIGHTPRO