2BFN3-X10Bluetooth Speaker

RF exposure statement This equipment complies with the FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. FCC Warning 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. Note: 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 installa- tion. If this equipment does cause harmful interference to radio or television reception, which can be deter- mined 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. NOTE 2: Any changes or modifications to this unit not expressly approved by the party responsible for compli- ance could void the user's authority to operate the equipment. Bluetooth Speaker V4.2 1800

ReferenceNo.:WTX24X03043813W001Page2of12 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EXHIBIT2-EUTEXTERNALPHOTOGRAPHS EUTView1 EUTView2 ReferenceNo.:WTX24X03043813W001Page3of12 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EUTView3 EUTView4 ReferenceNo.:WTX24X03043813W001Page4of12 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EUTView5 EUTView6 ReferenceNo.:WTX24X03043813W001Page5of12 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EUTView7 EUTView8

Reference No.: WTX24X03043813W001 Page 1 of 12 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn ANNEX EXHIBIT 1 - PRODUCT LABELING Proposed FCC ID Label Format FCC ID: 2BFN3-X10 Specifications: The label shall be securely affixed to a permanently attached part of the device, in a location where it is visible or easily accessible to the user, and shall not be readily detachable. The label shall be sufficiently durable to remain fully legible and intact on the device in all normal conditions of use throughout the device’s expected lifetime. Proposed Label Location on EUT FCC ID Label Location

ReferenceNo.:WTX24X03043813W001Page6of12 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EXHIBIT3-EUTINTERNALPHOTOGRAPHS EUTHousingand BoardView1 EUTHousingand BoardView2 ReferenceNo.:WTX24X03043813W001Page7of12 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EUTHousingand BoardView3 Solder Board-Component View1 ReferenceNo.:WTX24X03043813W001Page8of12 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn Solder Board-Component View2 AntennaView BTAntenna

1.RFExposureRequirements 1.1GeneralInformation ClientInformation Applicant:shenzhenshiyouenkejiyouxiangongsi Addressofapplicant: nanhujiedaojiabeishequjianshelu2004haonanyangdasha3ceng302 shenzhenguangdong518005CN Manufacturer:shenzhenshiyouenkejiyouxiangongsi Addressofmanufacturer: nanhujiedaojiabeishequjianshelu2004haonanyangdasha3ceng302 shenzhenguangdong518005CN GeneralDescriptionofEUT: ProductName:BluetoothSpeaker TradeName/ ModelNo.:X10 AddingModel(s):X10Pro,X20,X30,X40,X50,X60,X70,X80,X90,X100 RatedVoltage: Type-CPort:DC5V Battery:DC3.7V BatteryCapacity:1800mAh AdapterModel:/ FCCID:2BFN3-X10 EquipmentType:Mobiledevice TechnicalCharacteristicsofEUT: Bluetooth BluetoothVersion:V4.2(BR/EDRmode) FrequencyRange:2402-2480MHz RFOutputPower:1.96dBm(Conducted) DataRate:1Mbps,2Mbps,3Mbps Modulation:GFSK,π/4DQPSK,8DPSK QuantityofChannels:79 ChannelSeparation:1MHz TypeofAntenna:PCBAntenna AntennaGain:1.54dBi 1.2RFExposureExemption Accordingto§1.1307(b)(3)andKDB447498D04InterimGeneralRFExposureGuidancev01,system operatingundertheprovisionsofthissectionshallbeoperatinginamannerthatthepublicisnotexposedto radiofrequencyenergylevelinexcesslimitformaximumpermissibleexposure. OptionA:FCCRulePart1.1307(b)(3)(i)(A):Theavailablemaximumtime-averagedpowerisnomorethan 1mW,regardlessofseparationdistance. OptionB:FCCRulePart1.1307(b)(3)(i)(B):Theavailablemaximumtime-averagedpoweroreffective radiatedpower(ERP),whicheverisgreater,islessthanorequaltothethresholdP th (mW)describedinthe followingformula.P th isgivenby: OptionC:FCCRulePart1.1307(b)(3)(i)(C):Theminimumseparationdistance(Rinmeters)fromthebodyof anearbypersonforthefrequency(finMHz)atwhichthesourceoperates,theERP(watts)isnomorethanthe calculatedvalueprescribedforthatfrequency.Rmustbeatleastλ/2π,whereλisthefree-spaceoperating wavelengthinmeters. SingleRFSourcesSubjecttoRoutineEnvironmentalEvaluation RFSourcefrequency(MHz)ThresholdERP(watts) 0.3-1.341,920R 2 1.34-303,450R 2 /f 2 30-3003.83R 2 300-1,5000.0128R 2 f 1,500-100,00019.2R 2 ForMultipleRFsources:FCCRulePart1.1307(b)(3)(ii): (A)Theavailablemaximumtime-averagedpowerofeachsourceisnomorethan1mWandthereisa separationdistanceoftwocentimetersbetweenanyportionofaradiatingstructureoperatingandthe nearestportionofanyotherradiatingstructureinthesamedevice,exceptifthesumofmultiplesourcesis lessthan1mWduringthetime-averagingperiod,inwhichcasetheymaybetreatedasasinglesource (separationisnotrequired). (B)InthecaseoffixedRFsourcesoperatinginthesametime-averagingperiod,orofmultiplemobileor portableRFsourceswithinadeviceoperatinginthesametimeaveragingperiod,ifthesumofthe fractionalcontributionstotheapplicablethresholdsislessthanorequalto1asindicatedinthefollowing equation. 1.3CalculatedResult Radio Access Technology Prediction Frequency Output Power Antenna Gain Duty Cycle Tune-Up Time-AveragedPower ERP (MHz)(dBm)(dBi)(%)(dBm)(dBm) Bluetooth24021.961.541002.001.39 Frequency Option Min.DistanceMax.PowerExposureLimit Ratio Result (MHz)(cm)(dBm)(mW)(mW)Pass/Fail 2402B0.52.001.582.7880.57Pass Note:1.Time-AveragedPower=OutputPower*DutyCycle;ERP=Time-AveragedPower+Antenna gain-2.15dB 2.OptionA,BandCrefersasclause1.2. 3.ForoptionB,Max(time-averagedpower,effectiveradiatedpower(ERP))convertstoMax.Power.For optionC,ERPconvertstoMax.Power; 4.ForoptionB,P th (mW)convertstoExposureLimit(mW);ForoptionC,ERP(W)convertstoExposure Limit(mW). 5.Ratio=Tune-UpERP(mW)/ExposureLimit(mW) ModeforSimultaneousMulti-bandTransmission: RadioAccess Technology Ratio1Ratio2 Simultaneous Ratio Limit Result Pass/Fail ------------ Result:Pass

WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cnPage 1 of 64 TESTREPORT ReferenceNo.......................:WTX24X03043813W001 FCCID....................................:2BFN3-X10 Applicant...............................:shenzhenshiyouenkejiyouxiangongsi Address.................................: nanhujiedaojiabeishequjianshelu2004haonanyangdasha3ceng302 shenzhenguangdong518005CN Manufacturer........................:ThesameasApplicant Address.................................:ThesameasApplicant ProductName......................:BluetoothSpeaker ModelNo... ............................: X10 Standards..............................:FCCPart15.247 DateofReceiptsample.....:2024-03-07 DateofTest ...........................: 2024-03-07to2024-03-26 DateofIssue........................:2024-03-26 TestReportFormNo. ......... : WTX_Part15_247W TestResult ............................: Pass Remarks: Theresultsshowninthistestreportreferonlytothesample(s)tested,thistestreportcannotbereproduced, exceptinfull,withoutpriorwrittenpermissionofthecompany.Thereportwouldbeinvalidwithoutspecific stampoftestinstituteandthesignaturesofapprover. PreparedBy: WaltekTestingGroup(Shenzhen)Co.,Ltd. Address:1/F.,Room101,Building1,HongweiIndustrialPark,Liuxian2ndRoad, Block70Bao'anDistrict,Shenzhen,Guangdong,China Tel.:+86-755-33663308Fax.:+86-755-33663309Email:[email protected] Testedby:Approvedby: MikeShiJasonSu ReferenceNo.:WTX24X03043813W001 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cnPage 2 of 64 TABLEOFCONTENTS 1.GENERALINFORMATION.....................................................................................................................................5 1.1PRODUCTDESCRIPTIONFOREQUIPMENTUNDERTEST(EUT)........................................................................5 1.2TESTSTANDARDS.................................................................................................................................................6 1.3TESTMETHODOLOGY...........................................................................................................................................6 1.4TESTFACILITY.......................................................................................................................................................6 1.5EUTSETUPANDTESTMODE..............................................................................................................................7 1.6MEASUREMENTUNCERTAINTY.............................................................................................................................9 1.7TESTEQUIPMENTLISTANDDETAILS................................................................................................................10 2.SUMMARYOFTESTRESULTS.........................................................................................................................13 3.ANTENNAREQUIREMENT.................................................................................................................................14 3.1STANDARDAPPLICABLE......................................................................................................................................14 3.2EVALUATIONINFORMATION................................................................................................................................14 4.FREQUENCYHOPPINGSYSTEMREQUIREMENTS....................................................................................15 4.1STANDARDAPPLICABLE......................................................................................................................................15 4.2FREQUENCYHOPPINGSYSTEM.........................................................................................................................15 4.3EUTPSEUDORANDOMFREQUENCYHOPPINGSEQUENCE..............................................................................16 5.QUANTITYOFHOPPINGCHANNELSANDCHANNELSEPARATION....................................................17 5.1STANDARDAPPLICABLE......................................................................................................................................17 5.2TESTSETUPBLOCKDIAGRAM...........................................................................................................................17 5.3TESTPROCEDURE..............................................................................................................................................17 5.4SUMMARYOFTESTRESULTS/PLOTS................................................................................................................18 6.DWELLTIMEOFHOPPINGCHANNEL............................................................................................................19 6.1STANDARDAPPLICABLE......................................................................................................................................19 6.2TESTSETUPBLOCKDIAGRAM...........................................................................................................................19 6.3TESTPROCEDURE..............................................................................................................................................19 6.4SUMMARYOFTESTRESULTS/PLOTS................................................................................................................20 7.20DBBANDWIDTH................................................................................................................................................21 7.1STANDARDAPPLICABLE......................................................................................................................................21 7.2TESTSETUPBLOCKDIAGRAM...........................................................................................................................21 7.3TESTPROCEDURE...........................................................................................................................................…

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Productspecification QuickReferenceDate ITEM ： Antennamoduleonthesystemboard Antennatype：PCBAntenna FrequencRange ： 2400~2500MHz Efficiency(dB)：70% Gain(dBi) ： 1.54 InputImpendence(ohm) ： 50 PolarizationType：Vertical&Horizontal VSW ： <2 SupplierName:ShenzhenBoaotesElectronicTechnologyCo.,Ltd Address:607ZhenhuaTimesSquare,No.21HepingRoad,LonghuaDistrict,Shenzhen Contactnumber:0755-28125441 AntennaLayout&moduleonthesystemboard AntennaGain TheEnvironmentofAntennaRadiationPattern 3Dradiationpatterndiagram

ReferenceNo.:WTX24X03043813W001Page9of12 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EXHIBIT4-TESTSETUPPHOTOGRAPHS ConductedEmissionTest Setup RadiationEmissionTest Setup(Below30MHz) ReferenceNo.:WTX24X03043813W001Page10of12 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn RadiationEmissionTest Setup(30MHzto1GHz) ReferenceNo.:WTX24X03043813W001Page11of12 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn RadiationEmissionTest Setup(1GHzto18GHz) RadiationEmissionTest Setup(Above18GHz) ReferenceNo.:WTX24X03043813W001Page12of12 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn *****ENDOFREPORT*****