2AKI8-TP-BF03WIRELESS HEADSET

USER GUIDE STEREO WIRELESS HEADSET MODEL: 22BF08 BACKGROUND NOISE REDUCTION FOR CALLS THANK YOU FOR CHOOSING TZS In the Box 02 3.5mm Audio Cable Type-C Charging Cable Headset User Guide Overview Boom microphone Mute microphone switch Indicator Previous track Next track Type C charging port 03 Play/Pause Answer calls /End calls 04 2. Position the microphone to your pref er ence. How to Wear 1. The boom microphone can move to accommodate a user’s pref er ence for right side or left side wear. 05 Operation Press and hold the for 3 seconds Power On Power Off Press and hold the for 3 seconds 06 Click the + button to increase the volume, click the - button to decrease the volume. Press and hold the + button to skip to the next song, press and hold the - button to skip to the previous song. Volume +/- Previous/Next song 07 1. How to connect with the Bluetooth device. Press and hold the button 3S 'power on' head, the pairing LED will be ash, and 'pairing' will be heard The LED will ash blue to indicate the headphone is connected, and 'connected' is heard. TZS TP-BF03 Bluetooth Bluetooth ON Devices Now discover able Paired Activate "Bluetooth" in your device‘ s settings and select ”TZS TP-BF03. Connecting 08 When you rst device connected successfully, switch the rst device Bluetooth o, activate your second device Bluetoothconnect the headphone, and then activate the rst device Bluetooth, the headphone will be reconnected the rst device, and then the headphone connected the 2 devices successfully. 2. How to connect with two Bluetooth devices. TZS TP-BF03 Bluetooth Bluetooth ON Devices Now discover able Paired Bluetooth TZS TP-BF03 Device 1 Device 2 09 Calls with a Smartphone Calls with a Smartphone Siri/Cortana/Assistance Press 1 × Press 1 × Press and hold 2 seconds 10m Answer End Call Decline Press and hold 2 seconds then release 10 Charging the Headset Plug the USB-C charging cable in to a computer’s USB port. During charging the red LED will light. When fully charged, Plug the USB-C charging cable in to a USB wall charger. the LED will turn o. The headset will be o during the charging. 11 Muting the Boom Mic: Switch the mute button to the off Other Operations Clearing the pairing: Press and hold the for 10 seconds while the headset is off 12 Product Specifications Bluetooth version: Bluetooth V5.0 Bluetooth Profile: A2DPv1.3.1; AVRCPv1.6;HFPv1.7; HSPv1.2; SPP v1.2; DID v1.3; HID v1.1; PXP v1.0.1; FMP v1.0; BAS v1.0 Working Frequency: 2.402GHz-2.480GHz Frequency Response: 104±3dB Receiving sensitivity: >-89dBm Battery type: Lithium polymer Mic type and sensitivity: Virtual Microphone -42±3dB Headphone Driver Size: 30mm Battery capacity: 400mAh DC Input: 5V_500MA FCC ID: 2AKI8-TP-BF03 Charging voltage: 5V/2A Bluetooth working range: Up to 10m Talk time: Up to 36 hours Charging time: Approximately 2.5 hours Standby time: Approximately 110 hours Compatibility: Windows 10, mac OS 10.14 or later,iOS and Android 13 WARNING Headsets can deliver sounds at loud volumes and high-pitched tones. Avoid prolonged use of the headset at excessive sound pressure levels. Please read the safety guidelines below prior to using this headset. Safety information Use of a headset will impair your ability to hear other sounds. Use caution while using your headset when you are engaging in any activity that requires your full attention. This package contains small parts that may be hazardous to children and should be kept out of reach from children.Do not attempt: To dismantle or service the product as this may cause a short circuits or other malfunction which could result in a fire or electric shock.Avoid exposing your product to rain, moisture or other liquids to avoid damage to the product or injury to you. Keep all products, cords, and cables away from operating machinery. Avoid use while operating a motor vehicle. Built-in battery care: Please observe the following if the product contains a battery. Your product is powered by a rechargeable battery. The full performance of a new battery is achieved only after two or three complete charge and discharge cycles. The battery can be charged and discharged hundreds of times but will eventually wear out. 14 Always try to keep the battery between 15°C and 25°C (59°F and 77°F). A product with a hot or cold battery may not work temporarily, even when the battery is fully charged. Battery performance is particularly limited in temperatures well below freezing. Battery warning! CAUTION – The battery used in this product may present a risk of fire or chemical burn if mistreated. Do not attempt to open the product or replace the battery. This will void the warranty. Troubleshooting & Support Headphones will not power on: • Be sure the headphones are fully charged. • Remove “TZS TP-BF03” from your phone’ s Bluetooth device list and try again. • If the model still does not appear , restart the headset and phone, then try again. After successfully pairing, the headphones disconnect • Be sure the battery has adequate power and recharge. • Headphones must be within 10m of most mobile devices. • Connections may be affected by obstructions such as walls or other electronic devices. Try moving closer to the device you are connected to. When answering a call, I cannot hear anything • Ensure the mobile device is connected to the TZS TP-BF03 headphones and not on phone’s speaker or other audio option. • Increase the volume on your mobile device. 15 There is no sound when listening to music • Increase the volume on your headphones or the mobile device. • Reestablish the Bluetooth wireless connection between the headphones and your mobile device. • Check if the audio app has paused or stopped playback. Headphones will not charge • Confirm that the charging cable is operational or undamaged. • Ensure that the USB charging cable is fully seated in the headphones and wall charger ports. • Confirm that the USB port is outputting power. Some USB ports shut off when the PC is off. • Remove …

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Date:04/17/2018VCB_F-01:OperatingProceduresForm–FCCAuthorizationv02Page1of1 TOPWAYEMENTERPRISELTD. FederalCommunicationsCommission AuthorizationandEvaluationDivision 1435OaklandMillsRoad Columbia,MD21046 Date:2022-10-13 SUBJECT:FCCApplicationfor(FCCID:2AKI8-TP-BF03) ToWhomItMayConcern: We,theundersigned,herebyauthorizeYoyoZhouin ShenzhenHuaxiaTesting TechnologyCo.,Ltdat1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad, DalangStreet,LonghuaDistrict,Shenzhen,Chinaonourbehalf,toapplytotheFederal CommunicationsCommissiononourequipment.Anyandallactscarriedoutby ShenzhenHuaxiaTestingTechnologyCo.,Ltd onourbehalfshallhavethesame effectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We, theapplicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection 5301oftheAnti-DrugActof1988,21USC853a,andnopartytotheapplicationis subjecttoadenialoffederalbenefitspursuanttothatsection. Sincerely, (MustbesignedbythepersonthatislistedontheFCCWebsite) Signature: Contactname:ZHUANGLIANG Companyname:TOPWAYEMENTERPRISELTD. Address:8FBLOCKBBUILDING6BAONENGS&TPARKLONGHUA,SHENZHENGD, China518109

Date:04/17/2018VCB_F-01:OperatingProceduresForm–FCCConfidentialityv02Page1of1 TOPWAYEMENTERPRISELTD. FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2AKI8-TP- BF03 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequest confidentialtreatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName 1.BlockDiagram, 2.Schematics, 3.OperationalDescription 1.2AKI8-TP-BF03-Blockdiagram 2.2AKI8-TP-BF03-SCH 3.2AKI8-TP-BF03-Operationaldescription Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarily releasedtothepublic.Thepublicdisclosureofthesematerialsmaybeharmfultothe applicantandprovideunjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateofthe Grantforthisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,wealso requesttemporaryconfidentialtreatmentofinformationaccompanyingthisapplication asoutlinedbelowforaninitialperiodofxxxx(ie-“45”,“90”or“180”)days: ExhibitTypeFileName N/AN/A Signature: Contactname:ZHUANGLIANG Companyname:TOPWAYEMENTERPRISELTD. Address:8FBLOCKBBUILDING6BAONENGS&TPARKLONGHUA,SHENZHEN GD,China518109

TOPWAYEMENTERPRISELTD. ModelConfirmationLetter We,(TOPWAYEMENTERPRISELTD.)certifytheproduct: STEREOWIRELESSHEADSET ModelNo.: 22BF08,TP-BF03 Theirelectricalcircuitdesign,layout,componentsusedandinternalwiringare identical,Onlythemodelnameisdifferent. Signiture: GranteeContact:ZHUANGLIANG CompanyName:TOPWAYEMENTERPRISELTD. Date:2022-10-13

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ShenzhenHuaxiaTestingTechnologyCo.,Ltd 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V05 ReportTemplateRevisionDate:2021-11-03 RFExposureEvaluationReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20220801453E-02 Applicant: TOPWAYEMENTERPRISELTD. AddressofApplicant: 8FBLOCKBBUILDING6BAONENGS&TPARKLONGHUA,SHENZHEN GD,China518109 EquipmentUnderTest(EUT): EUTName:STEREOWIRELESSHEADSET ModelNo.:22BF08,TP-BF03 TestModelNo.:22BF08 BrandName:TZS FCCID:2AKI8-TP-BF03 Standards: 47CFRPart1.1307 47CFRPart2.1093 KDB447498D04InterimGeneralRFExposureGuidancev01 DateofReceipt:2022-08-19 DateofTest: 2022-08-19to2022-08-29 DateofIssue:2022-10-12 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-02 Page:2of8 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-02 Page:3of8 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20220801453E-02Rev.01 Initialreport 2022-10-12 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-02 Page:4of8 2Contents Page 1VERSION............................................................................................................................................................................3 2CONTENTS........................................................................................................................................................................4 3GENERALINFORMATION..............................................................................................................................................5 3.1CLIENTINFORMATION...................................................................................................................................................5 3.2GENERALDESCRIPTIONOFEUT...................................................................................................................................5 3.3GENERALDESCRIPTIONOFBT......................................................................................................................................5 4SAREVALUATION...........................................................................................................................................................6 4.1RFEXPOSURECOMPLIANCEREQUIREMENT.................................................................................................................6 4.1.1StandardRequirement......................................................................................................................................6 4.1.2Limits....................................................................................................................................................................6 4.1.3EUTRFExposure..............................................................................................................................................8 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-02 Page:5of8 3GeneralInformation 3.1ClientInformation Applicant: TOPWAYEMENTERPRISELTD. AddressofApplicant: 8FBLOCKBBUILDING6BAONENGS&TPARKLONGHUA,SHENZHEN GD,China518109 Manufacturer: TOPWAYEMENTERPRISELTD. AddressofManufacturer: 8FBLOCKBBUILDING6BAONENGS&TPARKLONGHUA,SHENZHEN GD,China518109 Factory: ShenzhenJiaHuaLiDianZiYouXianGongSi AddressofFactory: NO101,201,BUILDINGE,NEWINDUSTRIALZONE,SHENZHUROAD, LIUYUESHENKENGVILLAGE,HENGGANG,LONGGANGDISTRICT, SHENZHENCHINA 3.2GeneralDescriptionofEUT ProductName: STEREOWIRELESSHEADSET ModelNo.: 22BF08,TP-BF03 TestModelNo.: 22BF08 TradeMark: TZS SoftwareVersion: V1.0 HardwareVersion: V2.0 PowerSupply: Li-ionbattery:DC3.7V400mAh,ChargebyDC5Vforadapter 3.3GeneralDescriptionofBT OperationFrequency:2402MHz~2480MHz ModulationType:GFSK,π/4DQPSK,8DPSK TransferRate:1Mbps/2Mbps/3Mbps NumberofChannel:79 ProductType:MobilePortableFixLocation AntennaType: PCBantenna AntennaGain: -3dBi ModelNo.:22BF08,TP-BF03 Theirelectricalcircuitdesign,layout,componentsusedandinternalwiringareidentical, Onlythemodelnamesaredifferent. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-02 Page:6of8 4SAREvaluation 4.1RFExposureComplianceRequirement 4.1.1StandardRequirement 447498D04InterimGeneralRFExposureGuidancev01 3.2.SARTestReductionGuidance SARtestreductionprocedures[Glossary]allowusingaparticularsetoftestdataasrepresentative ofother,similar,testconditions.Thismaybeappliedfordatawithindifferenttestpositions(e.g.body, head,extremity),wirelessmodes(e.g.Wi-Fi,cellular),andfrequencybands.Thistestreductionprocess providesfortheuseoftestdataforonespecificchannel,whilereferencingtothosedatafordemonstrating complianceinotherrequiredchannelsforeachtestpositionofanexposurecondition,withintheoperating modeofafrequencyband.Thisislimitedspecificallytowhenthereported1-gor10-gSARforthemid- bandorhighestoutputpowerchannelmeetsanyofthefollowingconditions. 4.1.2Limits SAR-basedthresholdsarederivedbasedonfrequency,power,andseparationdistanceoftheRF source.Theformuladefinesthethresholdsingeneralforeitheravailablemaximumtimeaveragedpoweror maximumtime-averagedERP,whicheverisgreater. IftheERPofadeviceisnoteasilydetermined,suchasforaportabledevicewithasmallform factor,theapplicantmayusetheavailablemaximumtime-averagedpowerexclusivelyifthe deviceantennaorradiatingstructuredoesnotexceedanelectricallengthofλ/4. Asfordeviceswithantennasoflengthgreaterthanλ/4wherethegainisnotwelldefined,but alwayslessthanthatofahalf-wavedipole(lengthλ/2),theavailablemaximumtime-averaged powergeneratedbythedevicemaybeusedinplaceofthemaximumtime-averagedERP,where thatvalueisnotknown.…

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ShenzhenHuaxiaTestingTechnologyCo.,Ltd. 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V05 ReportTemplateRevisionDate:2021-11-03 TestReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20220801453E-01 Applicant: TOPWAYEMENTERPRISELTD. AddressofApplicant: 8FBLOCKBBUILDING6BAONENGS&TPARKLONGHUA,SHENZHEN GD,China518109 EquipmentUnderTest(EUT): Product: STEREOWIRELESSHEADSET ModelNo.: 22BF08,TP-BF03 TestModelNo.:22BF08 BrandName: TZS FCCID: 2AKI8-TP-BF03 Standards:47CFRPart15,SubpartC DateofReceipt:2022-08-19 DateofTest: 2022-08-19to2022-08-29 DateofIssue:2022-10-12 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-01 Page:2of88 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20220801453E-01Rev.01 Initialreport 2022-10-12 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-01 Page:3of88 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement 47CFRPart15,SubpartCSection 15.203/15.247(c) ANSIC63.10(2013)PASS ACPowerLineConducted Emission 47CFRPart15,SubpartCSection 15.207 ANSIC63.10(2013)PASS ConductedPeakOutput Power 47CFRPart15,SubpartCSection 15.247(b)(1) ANSIC63.10(2013)PASS 20dBOccupiedBandwidth 47CFRPart15,SubpartCSection 15.247(a)(1) ANSIC63.10(2013)PASS CarrierFrequencies Separation 47CFRPart15,SubpartCSection 15.247(a)(1) ANSIC63.10(2013)PASS HoppingChannelNumber 47CFRPart15,SubpartCSection 15.247(a)(1) ANSIC63.10(2013)PASS DwellTime 47CFRPart15,SubpartCSection 15.247(a)(1) ANSIC63.10(2013)PASS PseudorandomFrequency HoppingSequence 47CFRPart15,SubpartCSection 15.247(b)(4) ANSIC63.10(2013)PASS Band-edgeforRF ConductedEmissions 47CFRPart15,SubpartCSection 15.247(d) ANSIC63.10(2013)PASS RFConductedSpurious Emissions 47CFRPart15,SubpartCSection 15.247(d) ANSIC63.10(2013)PASS RadiatedSpurious emissions 47CFRPart15,SubpartCSection 15.205/15.209 ANSIC63.10(2013)PASS Restrictedbandsaround fundamentalfrequency (RadiatedEmission) 47CFRPart15,SubpartCSection 15.205/15.209 ANSIC63.10(2013)PASS ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-01 Page:4of88 3Contents Page 1VERSION..........................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................3 3CONTENTS......................................................................................................................................................................4 4GENERALINFORMATION...........................................................................................................................................5 4.1CLIENTINFORMATION.................................................................................................................................................5 4.2GENERALDESCRIPTIONOFEUT.................................................................................................................................5 4.3ADDITIONALINSTRUCTIONS........................................................................................................................................7 4.4TESTENVIRONMENT...................................................................................................................................................8 4.5DESCRIPTIONOFSUPPORTUNITS...............................................................................................................................8 4.6STATEMENTOFTHEMEASUREMENTUNCERTAINTY....................................................................................................9 4.7TESTLOCATION........................................................................................................................................................10 4.8TESTFACILITY..........................................................................................................................................................10 4.9ABNORMALITIESFROMSTANDARDCONDITIONS......................................................................................................10 4.10OTHERINFORMATIONREQUESTEDBYTHECUSTOMER..........................................................................................10 4.11EQUIPMENTLIST.....................................................................................................................................................11 5TESTRESULTSANDMEASUREMENTDATA.....................................................................................................12 5.1ANTENNAREQUIREMENT..........................................................................................................................................12 5.2CONDUCTEDEMISSIONS............................................................................................................................................13 5.3CONDUCTEDPEAKOUTPUTPOWER.........................................................................................................................17 5.420DBOCCUPYBANDWIDTH......................................................................................................................................24 5.5CARRIERFREQUENCIESSEPARATION........................................................................................................................30 5.6HOPPINGCHANNELNUMBER.....................................................................…

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ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-01 Page:61of88 DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-01 Page:62of88 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-01 Page:63of88 2DH5_Ant1_2441_0~Reference 2DH5_Ant1_2441_30~1000 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-01 Page:64of88 2DH5_Ant1_2441_1000~26500 2DH5_Ant1_2480_0~Reference ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-01 Page:65of88 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-01 Page:66of88 3DH5_Ant1_2402_0~Reference 3DH5_Ant1_2402_30~1000 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-01 Page:67of88 3DH5_Ant1_2402_1000~26500 3DH5_Ant1_2441_0~Reference ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-01 Page:68of88 3DH5_Ant1_2441_30~1000 3DH5_Ant1_2441_1000~26500 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-01 Page:69of88 3DH5_Ant1_2480_0~Reference 3DH5_Ant1_2480_30~1000 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-01 Page:70of88 3DH5_Ant1_2480_1000~26500 Remark: Pretest9kHzto25GHz,findthehighestpointwhentesting,soonlytheworstdatawereshowninthetest report.PerFCCPart15.33(a)and15.31(o),Theamplitudeofspuriousemissionsfromintentionalradiators whichareattenuatedmorethan20dBbelowthepermissiblevalueneednotbereportedunlessspecifically requiredelsewhereinthispart. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-01 Page:71of88 5.10 OtherrequirementsFrequencyHoppingSpreadSpectrumSystem TestRequirement:47CFRPart15CSection15.247(a)(1),(h)requirement: Thesystemshallhoptochannelfrequenciesthatareselectedatthesystemhopping ratefromaPseudorandomorderedlistofhoppingfrequencies.Eachfrequencymustbeusedequally ontheaveragebyeachtransmitter.Thesystemreceiversshallhaveinputbandwidthsthatmatchthe hoppingchannelbandwidthsoftheircorrespondingtransmittersandshallshiftfrequenciesin synchronizationwiththetransmittedsignals. Frequencyhoppingspreadspectrumsystemsarenotrequiredtoemployallavailablehopping channelsduringeachtransmission.However,thesystem,consistingofboththetransmitterandthe receiver,mustbedesignedtocomplywithalloftheregulationsinthissectionshouldthe transmitterbepresentedwithacontinuousdata(orinformation)stream.Inaddition,asystem employingshorttransmissionburstsmustcomplywiththedefinitionofafrequencyhoppingsystem andmustdistributeitstransmissionsovertheminimumnumberofhoppingchannelsspecifiedin thissection. Theincorporationofintelligencewithinafrequencyhoppingspreadspectrumsystemthatpermits thesystemtorecognizeotheruserswithinthespectrumbandsothatitindividuallyand independentlychoosesandadaptsitshopsetstoavoidhoppingonoccupiedchannelsispermitted. Thecoordinationoffrequencyhoppingsystemsinanyothermannerfortheexpresspurposeof avoidingthesimultaneousoccupancyofindividualhoppingfrequenciesbymultipletransmittersis notpermitted. Complianceforsection15.247(a)(1) AccordingtoBluetoothCoreSpecification,thepseudorandomsequencemaybegeneratedinanine- stageshiftregisterwhose5thand9thstage outputsareaddedinamodulo-twoadditionstage.Andtheresultisfedbacktotheinputofthefirst stage.ThesequencebeginswiththefirstONEof9consecutiveONEs;i.e.theshiftregisterisinitialized withnineones. •Numberofshiftregisterstages:9 •Lengthofpseudo-randomsequence:2 9 -1=511bits •Longestsequenceofzeros:8(non-invertedsignal) AnexampleofPseudorandomFrequencyHoppingSequenceasfollow: Eachfrequencyusedequallyontheaveragebyeachtransmitter. AccordingtoBluetoothCoreSpecification,BluetoothreceiversaredesignedtohaveinputandIF bandwidthsthatmatchthehoppingchannelbandwidthsofanyBluetoothtransmittersandshift frequenciesinsynchronizationwiththetransmittedsignals. Complianceforsection15.247(g) AccordingtoBluetoothCoreSpecification,theBluetoothsystemtransmitsthepacketwiththe pseudorandomhoppingfrequencywithacontinuousdataandtheshortbursttransmissionfromthe Bluetoothsystemisalsotransmittedunderthefrequencyhoppingsystemwiththepseudorandom hoppingfrequencysystem. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-01 Page:72of88 Complianceforsection15.247(h) AccordingtoBluetoothCorespecification,theBluetoothsystemincorporateswithanadaptive systemtodetectotheruserwithinthespectrumbandsothatitindividuallyandindependentlyto avoidhoppingontheoccupiedchannels. AccordingtotheBluetoothCorespecification,theBluetoothsystemisdesignednothavetheability tocoordinatedwithotherFHSSSysteminanefforttoavoidthesimultaneousoccupancyofindividual hoppingfrequenciesbymultipletransmitter. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20220801453E-01 Page:73of88 5.11 RadiatedSpuriousEmission&Restrictedbands TestRequirement:47CFRPart15CSection15.209and15.205 TestMethod:ANSIC63.10:2013 TestSite:MeasurementDistance:3m(Semi-AnechoicChamber) ReceiverSetup: FrequencyDetectorRBWVBWRemark 0.009MHz-0.090MHzPeak10kHz30kHzPeak 0.009MHz-0.090MHzAverage10kHz30kHzAverage 0.090MHz-0.110MHzQuasi-peak10kHz30kHzQuasi-peak 0.110MHz-0.490MHzPeak10kHz30kHzPeak 0.110MHz-0.490MHzAverage10kHz30kHzAverage 0.490MHz-30MHzQuasi-peak10kHz30kHzQuasi-peak 30MHz-1GHzPeak100kHz300kHzPeak Above1GHz Peak1MHz3MHzPeak Peak1MHz10HzAverage Limit: Frequency Fieldstrength (microvolt/meter) Limit (dBuV/m) Remark Measurement distance(m) 0.009MHz-0.490MHz2400/F(kHz)--300 0.490MHz-1.705MHz24000/F(kHz)--30 1.705MHz-30MHz30--30 30MHz-88MHz10040.0Quasi-peak3 88MHz-216MHz15043.5Quasi-peak3 216MHz-960MHz20046.0Quasi-peak3 960MHz-1GHz50054.0Quasi-peak3 Above1GHz50054.0Average3 Note:15.35(b),Unlessotherwisespecified,thelimitonpeakradiofrequency emissionsis20dBabovethemaximumpermittedaverageemissionlimit applicabletotheequipmentundertest.Thispeaklimitappliestothetotal peakemissionlevelradiatedbythedevice. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ2022…

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Product specification 1.Type of antenna (Antenna module on the system board) 2.Electrical Characteristics No. ItemSpecifications 1Frequenc Range2400 ~ 2500MHz 2Band Width100MHz typ. 3 -3dB Peak gain i 4V.S.W.R≤2.0 5PolarizationLinear 6Azimuth Beam widthOmni-directional 7Impedance50 Ω All the technical data and information contained herein are subject to change without prior notice 3.Retum Loss 4.Radiation Pattern 3D Radiation Pattern Frequency (MHz) 240024502500 Avg. Gain (dBi) -6.82 -5.3-3 Efficiency (%) 20.8129.5250.16

1Photographs-EUTTestSetup 1.1RadiatedEmission 9KHz~30MHz: 30MHz~1GHz: Above1GHz: 1.2ConductedEmission