2BBPLPYDCLGSPEAKER + LIGHT PROJECTOR

125x145mm 145mm 125mm RF warning statement: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

-TRUSTSTONEGROUP,LLC- FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 8/24/23 U.S.AgentDesignation [TRUSTSTONEGROUP,LLC]acknowledgestheirconsentforthefollowingcontactlocatedintheUnitedStates toactastheiragentforserviceofprocessfortheequipmentforwhichauthorizationissought(FCCID: [2BBPLPYDCLG]): NameandcompanyofU.S.agent:TRUSTSTONEGROUP,LLC PhysicalU.S.addressofagent:1370Broadway,9thfloor,NewYork,NY10018,UnitedStates FRNofU.S.agent:0033900465 EmailaddressofU.S.agent:[email protected] [TRUSTSTONEGROUP,LLC]acknowledgestheirobligationtoacceptserviceofprocessonbehalfof [TRUSTSTONEGROUP,LLC]. [TRUSTSTONEGROUP,LLC]withtheFRN[0033900465]acceptsitsobligationtomaintainanagentforservice ofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanentlyterminatedall marketingandimportationoftheapplicableequipmentwithintheU.S.,ortheconclusionofanyCommission- relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheverislater. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirementslistedunder§ 2.911(d)(7). TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB 986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotify theFCCwithin30daysviathegrantingTCB. Sincerely, Signature [MarcFaham] [CEO] [TRUSTSTONEGROUP,LLC] Signature [MarcFaham] [CEO] [TRUSTSTONEGROUP,LLC] 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 5

-TRUSTSTONEGROUP,LLC- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 8/24/23 Towhomitmayconcern: We,[TRUSTSTONEGROUP,LLC],herebycertifythattheequipmentforwhichauthorizationis sought(FCCID:[2BBPLPYDCLG])isnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuantto§2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,wearenotidentifiedontheCovered List(https://www.fcc.gov/supplychain/coveredlist)asanentityproducing“covered”equipment. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(b)and(d)(5)and(6). Sincerely, Signature [MarcFaham] [CEO] [TRUSTSTONEGROUP,LLC] 6 2 _ [ m o d e l ] C o v e r e d E q u _ 2 . 9 1 1 ( d ) ( 5 ) ( i ) a n d ( i i ) - U , V 0 2

ProjectNo.:18220WC301490Page 1 of 4 AppendixII--ExternalPhotograph ProjectNo.:18220WC301490Page 2 of 4 ProjectNo.:18220WC301490Page 3 of 4 ProjectNo.:18220WC301490Page 4 of 4

40 22 size: 40x22mm label location

ProjectNo.:18220WC301490Page 1 of 3 AppendixIII--InternalPhotograph ProjectNo.:18220WC301490Page 2 of 3 ProjectNo.:18220WC301490Page 3 of 3

RFEXPOSUREEVALUATION FCCID:2BBPLPYDCLG AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) Radiationasspecifiedin§1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. Channel (MHz) Maximum output power (dBm) Tuneup tolerance (dBm) MaxTuneUp Power(dBm) Distance (mm) Calculation results Limit Operating Mode 24020.590.59 ±1 1.5950.4473 GFSK24410.770.77±11.7750.4703 24801.001.00±12.0050.4993 24021.411.41 ±1 2.4150.5403 π/4-DQPSK24411.621.62±12.6250.5713 24801.801.80±12.8050.6003 24021.791.79 ±1 2.7950.5893 8DPSK24412.142.14±13.1450.6443 24802.252.25±13.2550.6663 Result:NoStandaloneSARtestisrequired.

Page1of52 AppendixTestData ReportNo.:18220WC30149001TestSampleNo.:1-2-2 StartTestDate:2023.07.21FinishTestDate:2023.07.26 TestEngineer:Auditor: Temperature:25.3 °C RelativeHumidity:48% Pressure:1012hPa AppendixA:20dBEmissionBandwidth TestResult TestModeAntennaFrequency[MHz]20dbEBW[MHz]FL[MHz]FH[MHz] DH5Ant1 24021.0532401.4752402.528 24411.0412440.4842441.525 24801.0712479.4602480.531 2DH5Ant1 24021.3832401.3162402.699 24411.3442440.3402441.684 24801.3502479.3402480.690 3DH5Ant1 24021.3052401.3612402.666 24411.3382440.3312441.669 24801.3772479.3132480.690 Page2of52 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page3of52 2DH5_Ant1_2402 2DH5_Ant1_2441 Page4of52 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 Page5of52 3DH5_Ant1_2480 Page6of52 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntennaFrequency[MHz]OCB[MHz]FL[MHz]FH[MHz] DH5Ant1 24020.951752401.52802402.4797 24410.959002440.52182441.4808 24800.972512479.51642480.4889 2DH5Ant1 24021.23442401.40002402.6344 24411.25132440.39312441.6444 24801.24982479.38912480.6389 3DH5Ant1 24021.23372401.38752402.6212 24411.24032440.38392441.6242 24801.23732479.38632480.6236 Page7of52 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page8of52 2DH5_Ant1_2402 2DH5_Ant1_2441 Page9of52 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 Page10of52 3DH5_Ant1_2480 Page11of52 AppendixC:Maximumconductedoutputpower TestResultPeak TestModeAntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict DH5Ant1 24020.59≤20.97PASS 24410.77≤20.97PASS 24801.00≤20.97PASS 2DH5Ant1 24021.41≤20.97PASS 24411.62≤20.97PASS 24801.80≤20.97PASS 3DH5Ant1 24021.79≤20.97PASS 24412.14≤20.97PASS 24802.25≤20.97PASS Page12of52 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page13of52 2DH5_Ant1_2402 2DH5_Ant1_2441 Page14of52 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 Page15of52 3DH5_Ant1_2480 Page16of52 AppendixD:Carrierfrequencyseparation TestResult TestModeAntennaFrequency[MHz]Result[MHz]Limit[MHz]Verdict DH5Ant1Hop0.916≥0.714PASS 2DH5Ant1Hop1.014≥0.922PASS 3DH5Ant1Hop1.126≥0.918PASS Page17of52 TestGraphs DH5_Ant1_Hop 2DH5_Ant1_Hop 3DH5_Ant1_Hop Page18of52 Page19of52 AppendixE:Timeofoccupancy TestResult TestModeAntennaFrequency[MHz] BurstWidth [ms] TotalHops [Num] Result[s]Limit[s]Verdict DH1Ant1Hop0.3753190.120≤0.4PASS DH3Ant1Hop1.6311720.281≤0.4PASS DH5Ant1Hop2.8791080.311≤0.4PASS 2DH1Ant1Hop0.3843180.122≤0.4PASS 2DH3Ant1Hop1.6371640.268≤0.4PASS 2DH5Ant1Hop2.8841080.311≤0.4PASS 3DH1Ant1Hop0.3863150.122≤0.4PASS 3DH3Ant1Hop1.6371620.265≤0.4PASS 3DH5Ant1Hop2.8871150.332≤0.4PASS Page20of52 TestGraphs DH1_Ant1_Hop DH3_Ant1_Hop Page21of52 DH5_Ant1_Hop Page22of52 2DH1_Ant1_Hop 2DH3_Ant1_Hop Page23of52 2DH5_Ant1_Hop Page24of52 3DH1_Ant1_Hop 3DH3_Ant1_Hop Page25of52 3DH5_Ant1_Hop Page26of52 Page27of52 AppendixF:Numberofhoppingchannels TestResult TestModeAntennaFrequency[MHz]Result[Num]Limit[Num]Verdict DH5Ant1Hop79≥15PASS 2DH5Ant1Hop79≥15PASS 3DH5Ant1Hop79≥15PASS Page28of52 TestGraphs DH5_Ant1_Hop 2DH5_Ant1_Hop 3DH5_Ant1_Hop Page29of52 Page30of52 AppendixG:Bandedgemeasurements TestResult TestModeAntennaChNameFrequency[MHz] RefLevel [dBm] Result[dBm] Limit [dBm] Verdict DH5Ant1 Low24020.19-46.37≤-19.81PASS High24800.73-46.55≤-19.28PASS LowHop_24020.20-46.47≤-19.8PASS HighHop_24800.87-46.99≤-19.13PASS 2DH5Ant1 Low24020.24-49.82≤-19.76PASS High24800.07-46.92≤-19.93PASS LowHop_2402-0.72-48.02≤-20.72PASS HighHop_24800.74-47.42≤-19.26PASS 3DH5Ant1 Low24020.10-49.53≤-19.9PASS High2480-0.18-47.32≤-20.18PASS LowHop_2402-3.46-47.47≤-23.46PASS HighHop_24800.07-47.28≤-19.93PASS Page31of52 TestGraphs DH5_Ant1_Low_2402 DH5_Ant1_High_2480 DH5_Ant1_Low_Hop_2402 Page32of52 DH5_Ant1_High_Hop_2480 2DH5_Ant1_Low_2402 Page33of52 2DH5_Ant1_High_2480 2DH5_Ant1_Low_Hop_2402 2DH5_Ant1_High_Hop_2480 Page34of52 3DH5_Ant1_Low_2402 3DH5_Ant1_High_2480 Page35of52 3DH5_Ant1_Low_Hop_2402 3DH5_Ant1_High_Hop_2480 Page36of52 AppendixH:ConductedSpuriousEmission TestResult TestModeAntennaFrequency[MHz] FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 2402 Reference-0.10-0.10---PASS 30~1000-0.10-56.61≤-20.1PASS 1000~26500-0.10-42.57≤-20.1PASS 2441 Reference-0.20-0.20---PASS 30~1000-0.20-56.84≤-20.2PASS 1000~26500-0.20-43.55≤-20.2PASS 2480 Reference0.020.02---PASS 30~10000.02-56.53≤-19.98PASS 1000~265000.02-42.74≤-19.98PASS 2DH5Ant1 2402 Reference-3.39-3.39---PASS 30~1000-3.39-56.76≤-23.39PASS 1000~26500-3.39-45≤-23.39PASS 2441 Reference-0.43-0.43---PASS 30~1000-0.43-57.4≤-20.43PASS 1000~26500-0.43-43.65≤-20.43PASS 2480 Reference-2.98-2.98---PASS 30~1000-2.98-57.42≤-22.98PASS 1000~26500-2.98-43.34≤-22.98PASS 3DH5Ant1 2402 Reference-3.37-3.37---PASS 30~1000-3.37-56.21≤-23.37PASS 1000~26500-3.37-44.53≤-23.37PASS 2441 Reference0.060.06---PASS 30~10000.06-56.54≤-19.94PASS 1000~265000.06-44.05≤-19.94PASS 2480 Reference-0.55-0.55---PASS 30~1000-0.55-56.62≤-20.55PASS 1000~26500-0.55-43.62≤-20.55PASS Page37of52 TestGraphs DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 DH5_Ant1_2402_1000~26500 Page38of52 DH5_Ant1_2441_0~Reference DH5_Ant1_2441_30~1000 Page39of52 DH5_Ant1_2441_1000~26500 DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000 Page40of52 DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference Page41of52 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 2DH5_Ant1_2441_0~Reference Page42of52 2DH5_Ant1_2441_30~1000 2DH5_Ant1_2441_1000~26500 Page43of52 2DH5_Ant1_2480_0~Reference 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 Page44of52 3DH5_Ant1_2402_0~Reference 3DH5_Ant1_2402_30~1000 Page45of52 3DH5_Ant1_2402_1000~26500 3DH5_Ant1_2441_0~Reference 3DH5_Ant1_2441_30~1000 Page46of52 3DH5_Ant1_2441_1000~26500 3DH5_Ant1_2480_0~Reference Page47of52 3DH5_Ant1_2480_30~1000 3DH5_Ant1_2480_1000~26500 Page48of52 AppendixI:DutyCycle TestResult TestModeAntennaFrequency[MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] DH5Ant1 24022.883.7576.801.15 24412.883.7576.801.15 24802.883.7576.801.15 2DH5Ant1 24022.893.7577.071.13 24412.883.7477.011.13 24802.883.7576.801.15 3DH5Ant1 24022.8…

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ReportNo.:18220WC30149001FCCID:2BBPLPYDCLGPage1of39 FCCTestReport Applicant:TRUSTSTONEGROUP,LLC Address: 1370Broadway,9thfloor,NewYork,NY10018, UnitedStates ProductName:SPEAKER+LIGHTPROJECTOR ReportDate:Aug.24,2023 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC30149001FCCID:2BBPLPYDCLGPage2of39 Contents 1.GeneralInformation.................................................................................................................................6 1.1.ClientInformation...........................................................................................................................6 1.2.DescriptionofDevice(EUT)..........................................................................................................6 1.3.AuxiliaryEquipmentUsedDuringTest..........................................................................................7 1.4.ChannelList...................................................................................................................................7 1.5.DescriptionofTestModes.............................................................................................................8 1.6.MeasurementUncertainty.............................................................................................................8 1.7.TestSummary................................................................................................................................9 1.8.DescriptionofTestFacility.............................................................................................................9 1.9.TestEquipmentList.....................................................................................................................10 2.Antennarequirement..............................................................................................................................12 2.1.Conclusion...................................................................................................................................12 3.ConductedEmissionatACpowerline..................................................................................................13 3.1.EUTOperation.............................................................................................................................13 3.2.TestSetup....................................................................................................................................13 3.3.TestData......................................................................................................................................14 4.OccupiedBandwidth..............................................................................................................................16 4.1.EUTOperation.............................................................................................................................16 4.2.TestSetup....................................................................................................................................17 4.3.TestData......................................................................................................................................17 5.MaximumConductedOutputPower......................................................................................................18 5.1.EUTOperation.............................................................................................................................18 5.2.TestSetup....................................................................................................................................19 5.3.TestData......................................................................................................................................19 6.ChannelSeparation...............................................................................................................................20 6.1.EUTOperation.............................................................................................................................20 6.2.TestSetup....................................................................................................................................21 6.3.TestData......................................................................................................................................21 7.NumberofHoppingFrequencies...........................................................................................................22 7.1.EUTOperation.............................................................................................................................22 7.2.TestSetup....................................................................................................................................23 7.3.TestData......................................................................................................................................23 8.DwellTime..............................................................................................................................................24 8.1.EUTOperation.............................................................................................................................25 8.2.TestSetup....................................................................................................................................25 8.3.TestData......................................................................................................................................25 9.Emissionsinnon-restrictedfrequencybands.......................................................................................26 9.1.EUTOperation.............................................................................................................................27 9.2.TestSetup....................................................................................................................................27 9.3.TestData....................................…

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version01 TRUSTSTONEGROUP,LLC DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.:PY-DCLG-BLK FCCID:2BBPLPYDCLG fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsfor internal antennatype(s) describedbelow: ModelNo.ofantenna:2.4GANT Typeofantenna:PCBAntenna Gainoftheantenna:-0.68dBi Frequencyrange:2400-2500MHz Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname:TRUSTSTONEGROUP,LLC Address:1370Broadway,9thfloor,NewYork,NY10018,UnitedStates City:NewYork ZIP/Postalcode:10018 Country:UnitedStates Place:NewYorkDate:8/24/2023 Signature:

Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.73 -0.84 -0.68 -6.15 -3.70 -2.32 MAX. Gain -0.68 Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) 4.5mm 9mm 2.8mm Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.73178 -30.0815 -8.48713 2450 -0.845801 -38.5605 -7.88012 2500 -0.685586 -24.0318 -6.79139 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -6.1530 -24.1420 -13.0295 2450 -3.7054 -26.5836 -10.6700 2500 -2.32122 -30.4301 -9.70536 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

ProjectNo.:18220WC301490Page 1 of 2 AppendixI--TestSetupPhotograph_RF ConductedEmissionatACpowerline Emissionsinrestrictedfrequencybands(below1GHz) ProjectNo.:18220WC301490Page 2 of 2 Emissionsinrestrictedfrequencybands(above1GHz)