2AXJ7-SPORTS2MIXX StreamBuds Sports Charge 2

ICWarning -English:Thisdevicecontainslicence-exempttransmitter(s)/receiver(s)that complywithInnovation,ScienceandEconomicDevelopmentCanada’slicence- exemptRSS(s).Operationissubjecttothefollowingtwoconditions: 1.Thisdevicemaynotcauseinterference. 2.Thisdevicemustacceptanyinterference,includinginterferencethatmay causeundesiredoperationofthedevice. -French:Cetappareilcontientdesémetteurs/récepteursexemptés delicencequisontconformesauxRSSexemptésdelicenced’ innovation,sciencesetdéveloppementéconomiqueCanada.Le fonctionnementestsoumisauxdeuxconditionssuivantes: 1.Cetappareilnepeutpascauserd’interférences. 2.Cetappareildoitacceptertouteinterférence,ycomprisles interférencesquipeuventcauserunfonctionnementindésirabledel’ appareil. RadiationExposureStatement ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement. Thedevicecanbeusedinportableexposureconditionwithoutrestriction. L'appareilaétéévaluépourrépondreauxexigencesgénéralesd' expositionauxradiofréquences.L'appareilpeutêtreutiliséenconditiond' expositionportablesansrestriction. Thisequipmentshouldbeinstalledandoperatedwithminimumdistance 0cmbetweentheradiator&yourbody. Cetéquipementdoitêtreinstalléetutiliséàunedistanceminimalede0cm entreleradiateuretvotrecorps.

- MIXX LIMITED - Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 6/18/2024 U.S. Agent Designation [ MIXX LIMITED ] acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2AXJ7-SPORTS2 Name and company of U.S. agent: 【USA MEIHUA TRADING INC】 Physical U.S. address of agent: 【5379 Pine Valley Ct Boulder CO 80301 United States】 FRN of U.S. agent: 【0033406166】 Email address of U.S. agent: 【[email protected]】 [ USA MEIHUA TRADING INC] acknowledges their obligation to accept service of process on behalf of [MIXX LIMITED]. MI XX LIMITED with the FRN [0029972973] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). T he information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Sincerely, Signature JOHN WHITEHEAD Manager MIXX LIMITED Signature Harley Quinn Manager USA MEIHUA TRADING INC 48_[mo del] US_Agent_2.911(d)(7) - U, V05

Page1of2 FCCID:2AXJ7-SPORTS2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. ExternalPhotos Photo1 Photo2 Page2of2 FCCID:2AXJ7-SPORTS2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo3 Photo4 ------End------

Label FCCID:2AXJ7-SPORTS2

FCCID:2AXJ7-SPORTS2 Page1of2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. InternalPhotos Photo1 Photo2 Antenna FCCID:2AXJ7-SPORTS2 Page2of2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo3 Photo4 ------End------

RFExposureevaluation FCCID:2AXJ7-SPORTS2 ApplicableStandard Accordingto§1.1307(b)(1),systemsoperatingundertheprovisionsofthissectionshallbeoperatedina mannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines. Accordingto§1.1310and§2.1093RFexposurerequirement KDB447498v06:MobileandPortableDevicesRFExposureProceduresandEquipmentAuthorization Policies 1.1.Requirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1StandaloneSARtest exclusionconsiderations:“UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures, standalone1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions, bymeasurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARTestExclusion Thresholdcondition,listedbelow,issatisfied.Thesetestexclusionconditionsarebasedonsource-based time-averagedmaximumconductedoutputpoweroftheRFchannelrequiringevaluation,adjustedfortune-up tolerance,andtheminimumtestseparationdistancerequiredfortheexposureconditions.22Theminimum testseparationdistanceisdeterminedbythesmallestdistancefromtheantennaandradiatingstructuresor outersurfaceofthedevice,accordingtothehostformfactor,exposureconditionsandplatformrequirements, toanypartofthebodyorextremityofauserorbystander(see5)ofsection4.1).ToqualifyforSARtest exclusion,thetestseparationdistancesappliedmustbefullyexplainedandjustifiedbytheoperating configurationsandexposureconditionsofthetransmitterandapplicablehostplatformrequirements,typically intheSARmeasurementorSARanalysisreport,accordingtotherequiredpublishedRFexposureKDB procedures.WhennootherRFexposuretestingorreportingisrequired,astatementofjustificationand compliancemustbeincludedintheequipmentapproval,inlieuoftheSARreport,toqualifyfortheSARtest exclusion.Whenrequired,thedevicespecificconditionsdescribedintheotherpublishedRFexposureKDB proceduresmustbesatisfiedbeforeapplyingtheseSARtestexclusionprovisions;forexample,handheldPTT two-wayradios,handsets,laptops&tabletsetc.23“ [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)]·[√f(GHz)] ≤ 3.0for1-gSARand ≤ 7.5for10-gextremitySAR,where: • f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation •Theresultisroundedtoonedecimalplaceforcomparison • 3.0and7.5arereferredtoasthenumericthresholdsinthestep2below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mmandfor transmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtestseparationdistanceis<5 mm,adistanceof5mmaccordingto5)insection4.1isappliedtodetermineSARtestexclusion. 1.2.Manufacturingtolerance BR-EDR Frequency (MHz) GFSK 240224412480 Target(dBm)0.73-0.32-0.97 Tolerance±(dB)1.01.01.0 Frequency (MHz) π/4-DQPSK 240224412480 Target(dBm)1.110.11-0.45 Tolerance±(dB)1.01.01.0 Page2of2 2.EvaluationResult EvaluationResults Band/Modef(GHz) Antenna Distance (mm) Max.RFoutputpower (includingtune-up tolerance) SARTest Exclusion Threshold SARTest Exclusion dBmmW BR-EDR2.552.111.630.51<3Yes 3.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1093fortheuncontrolledRFExposure andSARExclusionThresholdperKDB447498v06 .....................EndofReport.........................

Page1of39ReportNo.:AIT24011010FW1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. TESTREPORT ClientInformation: Applicant:MIXXLIMITED Applicantadd.:Unit5ThePavilionsBrightonRoadPeasePottageRH119BJUnitedKingdom Manufacturer:MIXXLIMITED Manufactureradd.:Unit5ThePavilionsBrightonRoadPeasePottageRH119BJUnitedKingdom ProductInformation: ProductName:MIXXStreamBudsSportsCharge2 ModelNo.: SBSC-03-BK-404 SBSC-02-XX-XXX,USSC-02-XX-XXX BrandName:MIXX FCCID: 2AXJ7-SPORTS2 Applicablestandards: FCCCFRTitle47Part15SubpartCSection15.247 PreparedBy: DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang,Huangjiang,Dongguan, Guangdong,China Tel.:+86-769-82020499Fax.:+86-769-82020495 DateofReceipt:Jan.10,2024DateofTest:Jan.10,2024~Jan.23,2024 DateofIssue:Jan.24,2024TestResult:Pass ThisdevicedescribedabovehasbeentestedbyDongguanYaxu(AiT)TechnologyLimitedandthetest resultsshowthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditis applicableonlytothetestedsampleidentifiedinthereport. Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofDongguan Yaxu(AiT)TechnologyLimited,thisdocumentmaybealteredorrevisedbyDongguanYaxu(AiT) TechnologyLimited,personalonly,andshallbenotedintherevisionofthedocument.Thistest reportmustnotbeusedbytheclienttoclaimproductendorsement. Reviewedby:Approvedby: SimbaHuangSeal.chen Page2of39ReportNo.:AIT24011010FW1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. 1Contents Page COVERPAGE 1CONTENTS......................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................4 2.1StatementoftheMeasurementUncertainty................................................................................4 2.2MeasurementUncertainty............................................................................................................4 3TESTFACILITY..............................................................................................................................................................5 3.1Deviationfromstandard...............................................................................................................5 3.2Abnormalitiesfromstandardconditions.......................................................................................5 3.3TestLocation.................................................................................................................................5 4GENERALINFORMATION...........................................................................................................................................6 4.1Testfrequencies............................................................................................................................7 4.2EUTPeripheralList.......................................................................................................................8 4.3TestPeripheralList.......................................................................................................................8 4.4TESTMETHODOLOGY...............................................................................................................9 4.5DescriptionofTestModes..........................................................................................................10 5EQUIPMENTUSEDDURINGTEST.........................................................................................................................11 6TESTRESULTSANDMEASUREMENTDATA.....................................................................................................13 6.1Antennarequirement..................................................................................................................13 6.2PeakPowerMeasurement.........................................................................................................14 6.3FrequencySeparationand20dBBandwidth............................................................................16 6.4NumberofHoppingFrequency..................................................................................................18 6.5TimeofOccupancy(DwellTime)...............................................................................................19 6.6ConductedSpuriousEmissionsandBandEdgesTest.............................................................21 6.7Restrict-bandBand-edgeMeasurements..................................................................................23 6.8RadiatedEmissionsMeasurement............................................................................................25 6.9ConductedEmissions.................................................................................................................35 6.10Pseudorandomfrequencyhoppingsequence...........................................................................38 7TESTSETUPPHOTOGRAPHSOFEUT.................................................................................................................39 8EXTERNALPHOTOGRAPHSOFEUT....................................................................................................................39 9INTERNALPHOTOGRAPHSOFEUT.....................................................................................................................39 Page3of39ReportNo.:AIT24011010FW1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. RevisionHistory RevisionIssueDateRevisionsRevisedBy 000 Jan.12,2024 InitialIssueSealChen Page4of39ReportNo.:AIT24011010FW1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. 2TestSummary TestItemSectioninCFR…

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深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：2.0 x 1.2 x 0.6(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012-1) Engineering Specification DOCUMENT YF2012H2P2G4500 REV. NO. D PAGE 1 OF 11 2.0X1.2X0.6 (mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012- 1) Engineering Specification 1. Product Number YF 2012 H2 P 2G45 00 1 2 3 4 5 6 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：2.0 x 1.2 x 0.6(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012-1) Engineering Specification DOCUMENT YF2012H2P2G4500 REV. NO. D PAGE 2 OF 11 2. Features *Stable and reliable in performances *Low temperature coefficient of frequency *Low profile, compact size *RoHS compliance *SMT processes compatible 3. Applications *Bluetooth earphone systems *Hand-held devices when WiFi /Bluetooth functions are needed, e.g., Smart phone. *IEEE802.11 b/g/n *ZigBee *Wireless PCMCIA cards or USB dongle 4. Description Yingfeng chip antenna series are specially designed for WiFi/Bluetooth applications. Based on yingfeng proprietary design and processes, this chip antenna has excellent stability and sensitivity to consistently provide high signal reception efficiency. 5. Electrical Specifications (80 x 40 mm 2 ground plane) 5-1. Electrical Table Characteristics Specifications Unit Outline Dimensions 2.0x1.2x0.6 mm Working Frequency 2400~2500 MHz VSWR 2 Max. Impedance 50  Polarization Linear Polarization Gain Peak 2.5 (typical) dBi Efficiency 75 (typical) % 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：2.0 x 1.2 x 0.6(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012-1) Engineering Specification DOCUMENT YF2012H2P2G4500 REV. NO. D PAGE 3 OF 11 5-2. Return Loss & VSWR Return Loss (S 11 ) VSWR(S 11 ) 6. Antenna Dimensions & Test Board (unit: mm) a. Antenna Dimensions 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：2.0 x 1.2 x 0.6(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012-1) Engineering Specification DOCUMENT YF2012H2P2G4500 REV. NO. D PAGE 4 OF 11 b. Test Board with Antenna Unit: mm 7. Radiation Pattern (80 x 40 mm 2 ground plane) 7-1. 3D Gain Pattern @ 2442 MHz Z X Y Y X 80 40 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：2.0 x 1.2 x 0.6(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012-1) Engineering Specification DOCUMENT YF2012H2P2G4500 REV. NO. D PAGE 5 OF 11 7-2. 3D Efficiency Table Frequency( MHz) 2400 2410 2420 2430 2442 2450 2460 2470 2480 2490 2500 Efficiency (dB) -1.4 -1.0 -0.9 -0.7 -0.7 -0.8 -0.9 -1.1 -1.2 -1.3 -1.4 Efficiency (%) 72.8 73.7 74.3 74.4 75.5 75.0 74.0 73.6 73.1 72.6 71.5 Gain (dBi) 2.1 2.2 2.3 2.4 2.5 2.5 2.4 1.8 1.7 1.6 1.4 7-3. 3D Efficiency vs. Frequency Efficiency vs. Frequency 50 60 70 80 90 100 24002410242024302442245024602470248024902500 Frequency(MHz) Efficiency(%) Y X Z X Y Z 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：2.0 x 1.2 x 0.6(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012-1) Engineering Specification DOCUMENT YF2012H2P2G4500 REV. NO. D PAGE 6 OF 11 8. Layout Guide a. Solder Land Pattern: Land pattern for soldering (gray marking areas) is as shown below. Depending on Customer’s requirement, matching circuit as shown below is also recommended. Top View Bottom View 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：2.0 x 1.2 x 0.6(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012-1) Engineering Specification DOCUMENT YF2012H2P2G4500 REV. NO. D PAGE 7 OF 11 Unit： mm 9. Frequency tuning a. Chip antenna tuning scenario： b. Matching circuit：(Center frequency is about 2442 MHz @ 80 x 40 mm 2 ground plane) System Matching Circuit Component Location Description Vendor Toleranc e 1 1.2 pF* Murata (0402) ±0.1 pF 2 10PF* Murata(0402) ±0.5 PF 3 N/A* - - Fine tuning element 4 1.5 pF* Murata (0402) ±0.1 pF *Typical reference values which may need to be changed when circuit Matching circuit Feed 4. Fine tuning elemet 1 2 3 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：2.0 x 1.2 x 0.6(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012-1) Engineering Specification DOCUMENT YF2012H2P2G4500 REV. NO. D PAGE 8 OF 11 boards or part vendors are different. c. Fine tuning element vs. Center frequency 10. Soldering Conditions a. Typical Soldering Profile for Lead-free Process Time 60-180s 60-150s 20- Pre- 150-200° 217°C 260° Temperature (°C) 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：2.0 x 1.2 x 0.6(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012-1) Engineering Specification DOCUMENT YF2012H2P2G4500 REV. NO. D PAGE 9 OF 11 11. Packing (1) Quantity/Reel: 5000 pcs/Reel (2) Plastic tape: 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：2.0 x 1.2 x 0.6(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012-1) Engineering Specification DOCUMENT YF2012H2P2G4500 REV. NO. D PAGE 10 OF 11 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：2.0 x 1.2 x 0.6(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012-1) Engineering Specification DOCUMENT YF2012H2P2G4500 REV. NO. D PAGE 11 OF 11

DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24011010FW1 FCC ID : 2AXJ7-SPORTS2 Page1 of42 AppendixA RF Test Data for BT(BDR/EDR)(ConductedMeasurement) ProductName:MIXX StreamBudsSportsCharge2 TradeMark:MIXX Test Model:SBSC-03-BK-404 EnvironmentalConditions Temperature:25.4°C RelativeHumidity:52.1 % ATM Pressure:101Kpa Test Engineer:SimbaHuang Supervisedby:Seal Chen DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24011010FW1 FCC ID : 2AXJ7-SPORTS2 Page2 of42 Contents Page COVERPAGE 1Duty Cycle........................................................................................................................................................................................3 1.1Test Result............................................................................................................................................................................3 1.2Test Graphs...........................................................................................................................................................................4 2MaximumConductedPeakOutputPower........................................................................................................................................7 2.1Test Result............................................................................................................................................................................7 2.2Test Graphs...........................................................................................................................................................................8 320dBBandwidth..............................................................................................................................................................................11 3.1Test Result..........................................................................................................................................................................11 3.2Test Graphs.........................................................................................................................................................................12 4CarrierFrequencySeparation.........................................................................................................................................................15 4.1Test Result..........................................................................................................................................................................15 4.2Test Graphs.........................................................................................................................................................................16 5HoppingChannelNumber...............................................................................................................................................................17 5.1Test Result..........................................................................................................................................................................17 5.2Test Graphs.........................................................................................................................................................................18 6DwellTime ......................................................................................................................................................................................19 6.1Test Result..........................................................................................................................................................................19 6.2Test Graphs.........................................................................................................................................................................20 7RF ConductedSpuriousEmissions.................................................................................................................................................22 7.1Test Result..........................................................................................................................................................................22 7.2Test Graphs.........................................................................................................................................................................23 8Band-edgefor RF ConductedEmissions........................................................................................................................................29 8.1Test Result..........................................................................................................................................................................29 8.2Test Graphs.........................................................................................................................................................................30 9Restrict-bandband-edgemeasurements........................................................................................................................................38 9.1Test Result..........................................................................................................................................................................38 9.2Test Graphs.........................................................................................................................................................................39 DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24011010FW1 FCC ID : 2AXJ7-SPORTS2 Page3 of42 1 Duty Cycle 1.1Test Result ModeFrequency(MHz)Duty Cycle(%)Correction Factor 1/T (kHz) 1-DH1240232.014.952.56 1-DH1244131.25.062.63 1-DH1248031.25.062.63 2-DH1240232.814.842.5 2-DH1244132.84.842.5 2-DH12480324.952.56 DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24011010FW1 FCC ID : 2AXJ7-SPORTS2 Page4 of42 1.2Test Graphs Test Graphs 1-DH12402MHz 1-DH12441MHz DongguanYaxu(AiT)TechnologyLimited Report…

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Page1of2 FCCID:2AXJ7-SPORTS2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. TestSetupPhoto RadiatedEmission Page2of2 FCCID:2AXJ7-SPORTS2 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. ConductedEmission ------End------