2BKFS-ZW-T33TWS Wireless Bluetooth headset

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. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction

ZhongshanTODOTechnologyCo.,ltd 2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Section2.911(d)(5)(i)Certification–EquipmentType Companyname:ZhongshanTODOTechnologyCo.,ltd Address:6floor,No22,7streetxiangxian,sanshahenglantown,ZhongshancityChina ProductName:TWSWirelessBluetoothheadset FCCID:2BKFS-ZW-T33 Model(s):ZW-T33,ZW-T35,ZW-T37,TM-077,TM-078,TM-079,TD-01,TD-02,TD-03,TD-05, TD-06,TD-07,TD-08,TD-09,TD-10,TD-11,TD-12,TD-13,TD-15,TD-16,TD-17,TD-18,TD-19, TD-33,TD-35,TD-37,TD-39,TD-66,TD-77,TD-79,TD-87,TD-97,TD-99,T7,T9,T11,T13,T15 2.911(d)(5)(i)EquipmentType We,[ZhongshanTODOTechnologyCo.,ltd](“theapplicant”)certifythattheequipmentforwhich authorizationissoughtthroughcertificationisnot: Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules. Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:JamesLiDate:2024.8.19 TitleandCompanyname:Manager/ZhongshanTODOTechnologyCo.,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

ZhongshanTODOTechnologyCo.,ltd 2.911(d)(5)(ii)ApplicantAttestationv1.3 Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:ZhongshanTODOTechnologyCo.,ltd Address:6floor,No22,7streetxiangxian,sanshahenglantown,ZhongshancityChina ProductName:TWSWirelessBluetoothheadset FCCID:2BKFS-ZW-T33 Model(s):ZW-T33,ZW-T35,ZW-T37,TM-077,TM-078,TM-079,TD-01,TD-02,TD-03,TD-05, TD-06,TD-07,TD-08,TD-09,TD-10,TD-11,TD-12,TD-13,TD-15,TD-16,TD-17,TD-18,TD-19, TD-33,TD-35,TD-37,TD-39,TD-66,TD-77,TD-79,TD-87,TD-97,TD-99,T7,T9,T11,T13,T15 2.911(d)(5)(ii)Applicantfiling We,[ZhongshanTODOTechnologyCo.,ltd](“theapplicant”)certifythat,asofthedateofthefilingof theapplication,theapplicantisnotidentified NOTE1 onthe“CoveredList” NOTE2 ,established pursuantto§1.50002ofthischapter,asanentityproducingcoveredcommunicationsequipment. Yourssincerely, Name:JamesLiDate:2024.8.19 TitleandCompanyname:Manager/ZhongshanTODOTechnologyCo.,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

Zhongshan TODO Technology Co.,ltd 2.911 (d)(7)USA Agent v1.5 Section 2.911(d)(7) USA Agent for Service of Process Company name: Zhongshan TODO Technology Co.,ltd Address:6floor,No22 ,7street xiangxian,sansha henglan town,Zhongshan city China Product Name:TWS Wireless Bluetooth headset FCC ID:2BKFS-ZW-T33 Model(s):ZW-T33, ZW-T35, ZW-T37, TM-077, TM-078, TM-079, TD-01, TD-02, TD-03, TD-05, TD-06, TD-07, TD-08, TD-09, TD-10, TD-11, TD-12, TD-13, TD-15, TD-16, TD-17, TD-18, TD-19, TD-33, TD-35, TD-37, TD-39, TD-66, TD-77, TD-79, TD-87, TD-97, TD-99, T7, T9, T11, T13, T15 2.911(d)(7) USA Designated Agent for Service of Process We, [Zhongshan TODO Technology Co.,ltd] (“the applicant”) designate [Stone Trading Limited] NOTE1 for the purpose of accepting service of process on behalf of the applicant. Applicant consent: We acknowledge our consent to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address of the designated agent and acknowledge our acceptance of our obligation to maintain an agent for service of process in the United States for no less than one year after either we the grantee have permanently terminated all marketing and importation of the applicable equipment within the U.S., or at the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Agent obligation: We acknowledge our obligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email address 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 at the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. USA Agent Company name: Stone Trading Limited USA Address: 6547 N Academy Blvd #2266, Colorado Springs, CO 80918, United States FRN Number: 0033401936 Contact Name: Dongmei Fang Telephone No: +12134573118 Email: [email protected] Applicant Company name: Zhongshan TODO Technology Co.,ltd Address:6floor,No22 ,7street xiangxian,sansha henglan town,Zhongshan city China Grantee FRN Number：0035839067 FCC Grantee Code:2BKFS Contact Name:James Li Telephone No:17688892540 Email:[email protected] Zhongshan TODO Technology Co.,ltd 2.911 (d)(7)USA Agent v1.5 Signature: Title: Manager Signature: Title:Manager Date: 2024.8.19 Date: 2024.8.19 NOTE 1: An applicant located in the United States may designate itself as the agent for service of process. Reference; Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

ZhongshanTODOTechnologyCo.,ltd AgentAuthorization Company:ZhongshanTODOTechnologyCo.,ltd Address:6floor,No22,7streetxiangxian,sanshahenglantown,ZhongshancityChina ProductName:TWSWirelessBluetoothheadset ModelNumber(s):ZW-T33,ZW-T35,ZW-T37,TM-077,TM-078,TM-079,TD-01,TD-02, TD-03,TD-05,TD-06,TD-07,TD-08,TD-09,TD-10,TD-11,TD-12,TD-13,TD-15,TD- 16,TD-17,TD-18,TD-19,TD-33,TD-35,TD-37,TD-39,TD-66,TD-77,TD-79,TD-87, TD-97,TD-99,T7,T9,T11,T13,T15 ProductDescription:TWSWirelessBluetoothheadset WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2024.8.19 Name:JamesLi Title:Manager Company:ZhongshanTODOTechnologyCo.,ltd

ZhongshanTODOTechnologyCo.,ltd ModelDifference Productdescription:TWSWirelessBluetoothheadset Modelname:ZW-T33 ZW-T35,ZW-T37,TM-077,TM-078,TM-079,TD-01,TD-02,TD-03,TD-05, TD-06,TD-07,TD-08,TD-09,TD-10,TD-11,TD-12,TD-13,TD-15,TD-16,TD- 17,TD-18,TD-19,TD-33,TD-35,TD-37,TD-39,TD-66,TD-77,TD-79,TD-87, TD-97,TD-99,T7,T9,T11,T13,T15 TradeName:N/A Onlytheappearanceofthecolorisdifferent Regards Sincerely Client’ssignature: Client’sname/title:JamesLi/Manager Contactinformation/address:6floor,No22,7streetxiangxian,sanshahenglan town,Zhongshancity

ZhongshanTODOTechnologyCo.,ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024.8.19 Subject;RequestforConfidentiality FCCID:2BKFS-ZW-T33 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:JamesLi Title:Manager

EUTPHOTO(ExternalPhotos) Leftearheadphones Rightearheadphones ※※※※※ENDOFREPORT※※※※※

Labelandlabellocation 1cm TWSWirelessBluetoothheadset FCCID:2BKFS-ZW-T33 0.25cm

EUTPHOTO(InternalPhotos) Leftearheadphones ANT Rightearheadphones ANT ※※※※※ENDOFREPORT※※※※※

FCCID:2BKFS-ZW-T33 RFExposureEvaluation AccordingtoWS-1GeneralRFExposureGuidancev06andpart2.1093 ， Unless specificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-ghead orbodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions,by measurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARTest ExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, ForBLE TestMode Max Power(dBm) Max Power(mW) Frequency(MHz) Min. distance(mm) Calc. thresholds limit GFSK-0.6550.86240250.266573.0 ForEDR TestMode Max Power(dBm) Max Power(mW) Frequency(MHz) Min. distance(mm) Calc. thresholds limit GFSK-0.5630.88240250.272283.0 π/4-DQPSK-0.5780.88240250.271343.0 SoaSARtestisnotrequired

2.4GHz 3216 Chip Antenna: RANT3216F245X07 _ Application: WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberInformation RANT3216F24507 (A)(B)(C)(D)(F X (E)) ElectricalSpecification DimensionandTerminalConfiguration No.TerminalName 1Feeding/GNG 2GND/Feeding (A)ProductTypeChipAntenna (B)SizeCode 3.2x1.6mm( ± 0.2mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=07 WorkingFrequencyRange2400~2500MHz Bandwidth120MHz(Min.) PeakGain1.7dBi(Typ.) Impedance50Ohm Returnloss10dB(Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature( °C )-40~85 °C ResistancetoSolderingHeats 10sec.(@280 °C ) TerminationNi/Au(Leadless) Dimension(mm) L 3.20±0.20 W 1.60±0.20 T 0.85±0.20 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd.TEL:13530576606 2.4GHz 3216 Chip Antenna: RANT3216F245X07 _ 1 EvaluationBoardReference PCBDimensionAntennaLayoutReference Unit:mm ElectricalCharacteristics ReturnLoss&Radiation ReturnLoss Frequency(MHz) S11(dB) 2400-10.50 2450-30.62 2500-11.47 Radiation 2400MHz2450MHz2500MHz Efficiency82.52%85.26%83.01% X Y Z 2.4GHz 3216 Chip Antenna: RANT3216F245X07 _ TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 32167”4K/Reel 9.0±0.5 60±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTψDP PaperType3216 1.90±0.203.50±0.208.0±0.201.75±0.103.5±0.054.0±0.102.0±0.050.75±0.10 1.50±0.10 4.0±0.1 _ 2.4GHz 3216 Chip Antenna: RANT3216F245X07 Reliability Table TestItemProcedure Requirements CeramicType Remark (Reference) Electrical Characterization Fulfilltheelectrical specification UserSpec. Thermal Shock 1.Preconditioning: 50±10°C/1hr,thenkeepfor24±1hrsatroomtemp. 2.Initialmeasure:Spec:referInitialspec. 3.Rapidchangeoftemperaturetest: -30°Cto+85°C;100cycles; 15minutesatLowercategorytemperature; 15minutesatUppercategorytemperature. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 107 Temperature Cycling 1.Initialmeasure:Spec:referInitialspec. 2.100Cycles(-30°Cto+85°C),SoakMode=1(2Cycle/hours). 3.Measurementat24±2Hoursaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. JESD22 JA104 HighTemperature Exposure 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered;500hours@T=+85°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 LowTemperature Storage 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered:500hours@T=-30°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 Solderability (SMDBottomSide) Dippingmethod: a.Temperature:235±5°C b.Dippingtime:3±0.5s Thesoldershouldcover over95%ofthecritical areaofbottomside. IEC60384-21/22 4.10 SolderingHeat Resistance (RSH) Preheatingtemperature:150±10°C. Preheatingtime:1~2min. Soldertemperature:260±5°C. Dippingtime:5±0.5s NoVisibleDamage.IEC60384-21/22 4.10 Vibration5g'sfor20min.,12cycleseachof3orientations Note:Use8"X5"PCB.031"thick7securepointson,onelong sideand2securepointsatcornersofoppositesides.Parts mountedwithin2"fromanysecurepoint.Testfrom10-2000 Hz. NoVisibleDamage.MIL-STD-202 Method204 Mechanical Shock Threeshocksineachdirectionshallbeappliedalongthethree mutuallyperpendicularaxesofthetestspecimen(18shocks) Peakvalue:1,500g’s Duration:0.5ms Velocitychange:15.4ft/s Waveform:Half-sine NoVisibleDamage.MIL-STD-202 Method213 Humidity Bias 1.Humidity:85%R.H.,Temperature:85±2°C. 2.Time:500±24hours. 3.Measurementat24±2hrsaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 Method106 2.4GHz 3216 Chip Antenna: RANT3216F245X07 _ Board Flex (SMD) 1.Mountingmethod: IR-Reflow.PCBSize(L:100×W:40×T:1.6mm) 2.Applytheloadindirectionofthearrowuntilbendingreaches 2mm. NoVisibleDamage.AEC-Q200 005 AdhesionForceof1.8Kgfor60seconds.NoVisibleDamage Magnificationof20Xor greatermaybeemployed forinspectionofthe mechanicalintegrityofthe devicebodyterminalsand body/terminaljunction. AEC-Q200 006 Physical Dimension Anyapplicablemethodusingx10magnification,micrometers, calipers,gauges,contourprojectors,orothermeasuring equipment,capableofdeterminingtheactualspecimen dimensions. Inaccordancewith specification. JESD22 JB100 RevisionHistory RevisionDateContent 12019/03/01NewDatasheet 2Add2Dradiationcharacteristi2022/02/22c

ProjectNo.:ZKT-2408079429E Page 1 of 40 FCCTESTREPORT FCCID:2BKFS-ZW-T33 ReportNumber. .................................... : ZKT-2408079429E DateofTest ....................................................... : Aug.07,2024-Aug.14,2024 Dateofissue.........................................: Aug.14,2024 Totalnumberofpages..........................40 TestResult .......................................... : PASS TestingLaboratory............................: ShenzhenZKTTechnologyCo.,Ltd. Address ............................................... : 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname.............................: ZhongshanTODOTechnologyCo.,ltd Address...............................................: 6floor,No22,7streetxiangxian,sanshahenglantown,Zhongshancity Manufacturer'sname ...................... : ZhongshanTODOTechnologyCo.,ltd Address ............................................... : 6floor,No22,7streetxiangxian,sanshahenglantown,Zhongshancity Testspecification: Standard ................................................ : FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 Testprocedure.....................................: / Non-standardtestmethod................:N/A TestReportFormNo. ....................... : TRF-EL-111_V0 TestReportForm(s)Originator ..... : ZKTTesting MasterTRF ........................................ : Dated:2020-01-06 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname.....................................:TWSWirelessBluetoothheadset Trademark ........................................... :N/A Model/Typereference......................:ZW-T33 ZW-T35,ZW-T37,TM-077,TM-078,TM-079,TD-01,TD-02,TD-03, TD-05,TD-06,TD-07,TD-08,TD-09,TD-10,TD-11,TD-12,TD-13, TD-15,TD-16,TD-17,TD-18,TD-19,TD-33,TD-35,TD-37,TD-39, TD-66,TD-77,TD-79,TD-87,TD-97,TD-99,T7,T9,T11,T13,T15 Ratings..................................................: Input:5V1A Earphonesbattery:3.7V,30mAh,0.111Wh*2 Boxbattery:3.7V,350mAh,1.295Wh ProjectNo.:ZKT-2408079429E Page 2 of 40 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-2408079429E Page 3 of 40 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..............9 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)........................................9 3.5EQUIPMENTSLISTFORALLTESTITEMS.................................................................10 4.EMCEMISSIONTEST.............................................................................................12 4.1CONDUCTEDEMISSIONMEASUREMENT..................................................................12 4.1.1POWERLINECONDUCTEDEMISSIONLimits...................................................12 4.1.2TESTPROCEDURE...............................................................................................12 4.1.3DEVIATIONFROMTESTSTANDARD..................................................................12 4.1.4TESTSETUP...........................................................................................................13 4.1.5EUTOPERATINGCONDITIONS...........................................................................13 4.2.1RADIATEDEMISSIONLIMITS...............................................................................16 4.2.2TESTPROCEDURE...............................................................................................17 4.2.3DEVIATIONFROMTESTSTANDARD..................................................................17 4.2.4TESTSETUP...........................................................................................................17 4.2.5EUTOPERATINGCONDITIONS...........................................................................18 5.RADIATEDBANDEMISSIONMEASUREMENT.....................................................23 5.1TESTREQUIREMENT:..............................................................................................23 5.2TESTPROCEDURE..................................................................................................23 5.3DEVIATIONFROMTESTSTANDARD.....................................................................23 5.4TESTSETUP..............................................................................................................24 5.5EUTOPERATINGCONDITIONS..............................................................................24 5.6TESTRESULT...........................................................…

Text truncated - open the document above for the full version.

EUTTESTPHOTO ※※※※※ENDOFREPORT※※※※※