ALE12045Bone conduction headphones

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.

CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname ALE1204512045,7SevenLite We, Applicant CompanyName:FreeTekInternationalCo.,Ltd. Address:UnitD,15/F,TaiPingInd.Ctr.,Blk2,55Ting KokRd.TaiPo,HongKong Phone:N/A certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-07-07 SignatureDate PrintedNameofSignee:LouisaZheng Company:FreeTekInternationalCo.,Ltd. Phone:N/A Email:N/A Address:UnitD,15/F,TaiPingInd.Ctr.,Blk2, 55TingKokRd.TaiPo,HongKong Fax:N/A

FreeTekInternationalCo.,Ltd. UnitD,15/F,TaiPingInd.Ctr.,Blk2,55TingKokRd.TaiPo,HongKong Date:2026-07-07 FCCID:ALE12045 ModelNumber:12045,7SevenLite To:FederalCommunicationCommission AuthorizationandEvaluationDivision7435OaklandMillsRoad Columbia,MD21048 ToWhomItMayConcern, We,FreeTekInternationalCo.,Ltd.herebydeclarethatourproduct(Boneconduction headphones ) ModelNumber:12045,7SevenLiteelectricalidentical,theSchematic,PCB layout,structureandsoftwarearesame,theonlydifferencebetweenthesemodelsisthe name. Shouldyouhaveanyquestionsorcommentsregardingthismatter,pleasehave mybestattention. Sincerely, (Signed) Name/Title:LouisaZheng/Manager Company:FreeTekInternationalCo.,Ltd. Address:UnitD,15/F,TaiPingInd.Ctr.,Blk2,55TingKokRd.TaiPo,HongKong Phone:N/A FaxNumber:N/A E-Mail:N/A

ConfidentialityRequestLetter ForCertificationServiceintheUSA FederalCommunicationCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoParagraphs§0.457and0.459oftheCommission’sRules(47C.F.R.)andSection §552(b)(4)oftheFreedomofInformationAct,werequestconfidentialityforthe documentationofthefollowingproducts: FCCIDModelname ALE1204512045,7SevenLite Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-07-07 SignatureDate PrintedNameofSignee/Title:LouisaZheng/Manager Company:FreeTekInternationalCo.,Ltd. Address:UnitD,15/F,TaiPingInd.Ctr.,Blk2,55TingKokRd.Tai Po,HongKong Phone:-- Fax:-- Email:--

ReportNo.:CISRR26061115001 Page 57 of 60 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR26061115001 Page 58 of 60

Label Size:20mm*20mm FCC ID:ALE12045 Label Location

ReportNo.:CISRR26061115001 Page 59 of 60 9.2.InternalPhotos ReportNo.:CISRR26061115001 Page 60 of 60 ------Endofthereport-----

ReportNo.: CISRR26061115002 Reporttemplateversion:CISE-TR-001-A0Page:1of5 TESTREPORT RFExposureEvaluation ReportNo.: CISRR26061115002 ProjectNo.: CISR260611150 FCCID:ALE12045 Applicant:FreeTekInternationalCo.,Ltd. Address:UnitD,15/F,TaiPingInd.Ctr.,Blk2,55TingKokRd.TaiPo,HongKong Manufacturer: ShenzhenFeilitTechnologyCo.,LTD Address: 531,5F,BuidingB,BairuidaPlaza,BanxuegangAvenue,Longgang District,Shezhen518129,China ProductName: Boneconductionheadphones TradeMark:- Model/Typereference:12045 ListedModel(s):7SevenLite Standard:47CFRPart2.1093 DateofsamplereceiptJune11,2026 TestdateJune11,2026toJune17,2026 Issuedate:June17,2026 Testresult:Complied Reviewedby:GenryLong Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.: CISRR26061115002 Reporttemplateversion:CISE-TR-001-A0Page:2of5 1.APPLICABLESTANDARD 47CFRPart2.1093:Radiofrequencyradiationexposureevaluation:portabledevices ANSIC95.1–2019:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequency ElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevicesRF ExposureProceduresandEquipmentAuthorizationPolicies. 47CFRPart1.1307:Actionsthatmayhaveasignificantenvironmentaleffect,forwhichEnvironmental Assessments(EAs)mustbeprepared. 2.REPORTVERSION VersionNo.IssuedateDescription 00June17,2026Original ReportNo.: CISRR26061115002 Reporttemplateversion:CISE-TR-001-A0Page:3of5 3.RADIOSPECIFICATIONDESCRIPTION Bluetooth Supportedtype:BREDRLE-1Mbps LE-2Mbps Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS ThesedevicesuseatransmittingmoduleandanantennaforBluetooth(BT)communication. ReportNo.: CISRR26061115002 Reporttemplateversion:CISE-TR-001-A0Page:4of5 5.TESTRESULT 5.1.Standalonetransmission Limit: KDB447498D01v06,Clause4.3.1a) For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-g SARtestexclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation31The resultisroundedtoonedecimalplaceforcomparison Thevalues3.0and7.5arereferredtoasnumericthresholdsinstepb)below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm, andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto4.1f)isappliedtodetermine SARtestexclusion. Result: Passed TestData Radiotype Frequency (GHz) Maximum output power #1 (dBm) Antenna gain #2 (dBi) Maximum EIRP #3 (dBm) Maximum tune-up EIRP #4 (dBm) Minimum distance (mm) Evaluated value LimitResult Bluetooth-2.4021.972.54.455.005.000.98023.00PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.: CISRR26061115002 Reporttemplateversion:CISE-TR-001-A0Page:5of5 5.2.Simultaneoustransmission Limit: KDB447498D01v06,Clause4.3.2,47CFRPart1.1307 InthecaseofxedRFsourcesoperatinginthesametime-averagingperiod,orof multiplemobileorportableRFsourceswithinadeviceoperatinginthesametime averagingperiod,ifthesumofthefractionalcontributionstotheapplicablethresholds islessthanorequalto1asindicatedinthefollowingequation. Where a=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(B)ofthissectionforP,includingexistingexempttransmittersandthosebeing added. b=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(C)ofthissectionforThresholdERP,includingexistingexempttransmittersand thosebeingadded. c=numberofexistingfixed,mobile,orportableRFsourceswithknownevaluationforthespeci edminimumdistanceincludingexistingevaluatedtransmitters. P j =theavailablemaximumtime-averagedpowerortheERP,whicheverisgreater,forxed, mobile,orportableRFsourceiatadistancebetween0.5cmand40cm(inclusive). P th,j =theexemptionthresholdpower(P)accordingtoparagraph(b)(3)(i)(B)ofthissectionfor xed,mobile,orportableRFsourcei. ERP j =theERPoffixed,mobile,orportableRFsourcej. ERP th,j =exemptionthresholdERPforfixed,mobile,orportableRFsourcej,atadistanceofat leastλ/2πaccordingtotheapplicableformulaofparagraph(b)(3)(i)(C)ofthissection. Evaluated k =themaximumreportedSARorMPEoffixed,mobile,orportableRFsourcekeither inthedeviceoratthetransmittersitefromanexistingevaluationatthelocationofexposure. ExposureLimit k =eitherthegeneralpopulation/uncontrolledmaximumpermissibleexposure (MPE)orspecicabsorptionrate(SAR)limitforeachxed,mobile,orportableRFsourcek, asapplicablefrom§1.1310ofthischapter. Result:NotApplicable --------EndofReport--------

ReportNo.:CISRR26061115001 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of53 TESTREPORT ReportNo.CISRR26061115001 ProjectNo.CISR260611150 FCCID: ALE12045 ApplicantFreeTekInternationalCo.,Ltd. AddressUnitD,15/F,TaiPingInd.Ctr.,Blk2,55TingKokRd.TaiPo,HongKong ManufacturerShenzhenFeilitTechnologyCo.,LTD Address 531,5F,BuidingB,BairuidaPlaza,BanxuegangAvenue,Longgang District,Shezhen518129,China ProductNameBoneconductionheadphones Trademark- Model/Typereference12045 ListedModel(s)7SevenLite Standard 47CFRPart15.247 DateofsamplereceiptJune11,2026 TestdateJune11,2026toJune17,2026 IssuedateJune17,2026 TestresultComplied Reviewedby:GenryLong Approvedby:HansHu ReportNo.:CISRR26061115001 Page 2 of 53 Contents 1.STANDARDANDAPPLICABLETESTMETHODS........................................................................................3 2.REPORTVERSION..........................................................................................................................................3 3.TESTDESCRIPTION.......................................................................................................................................4 4.SUMMARY........................................................................................................................................................5 4.1.ProductDescription*..................................................................................................................................5 4.2.RadioSpecificationDescription*..............................................................................................................5 4.3.ModificationofEUT.....................................................................................................................................6 4.4.Deviationfromstandards...........................................................................................................................6 4.5.TestingSite...................................................................................................................................................6 5.TESTCONFIGURATION.................................................................................................................................7 5.1.Testfrequencylist.......................................................................................................................................7 5.2.Descriptionsoftestmode...........................................................................................................................7 5.3.Testsampleinformation.............................................................................................................................7 5.4.Environmentalconditions...........................................................................................................................7 5.5.Statementofthemeasurementuncertainty.............................................................................................8 5.6.EquipmentUsedduringtheTest................................................................................................................9 6.TESTRESULTS.............................................................................................................................................11 6.1.EvaluationResults(Evaluation)...............................................................................................................11 6.1.1.AntennaRequirement.............................................................................................................................11 6.2.RadioSpectrumMatterTestResults(RF)...............................................................................................12 6.2.1.ConductedEmissionatACpowerline.................................................................................................12 6.2.2.20dBBandwidth......................................................................................................................................15 6.2.3.MaximumConductedOutputPower.....................................................................................................17 6.2.4.ChannelSeparation................................................................................................................................18 6.2.5.NumberofHoppingFrequencies..........................................................................................................19 6.2.6.DwellTime...............................................................................................................................................20 6.2.7.Conductedbandedgeandspuriousemission...................................................................................22 6.2.8.Radiatedbandedgeemission...............................................................................................................24 6.2.9.RadiatedSpuriousEmission(below1GHz).........................................................................................29 6.2.10.RadiatedSpuriousEmission(Above1GHz)......................................................................................32 7.APPENDIXREPORT......................................................................................................................................39 7.1.ConductedOutputPower.........................................................................................................................39 7.2.20dBBandwidth.........................................................................................................................................41 7.3.CarrierFrequenciesSeparation...............................................................................................................43 7.4.NumberOfHoppingChannel...................................................................................................................44 7.…

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深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD No. 412, Building 7, Phase II, Nanshan Yungu Entrepreneurship Park, Pingshan Community, Taoyuan Street, Nanshan District, Shenzhen, China Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：2.0 x 1.2 x 0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012H1) Engineering Specification DOCUMENT YF2012H1P2G45 REV. NO. A PAGE 1 OF 12 2.0X1.2X0.5 (mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012H1) Engineering Specification 1. Product Number (1)Product Type Chip Antenna (2)Size Code 2.0x1.2x0.5mm (3)Type Code H1 (4)Packing Paper &Reel (5)Frequency 2.45GHz YF 2012 H1 P 2 G 45 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 0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012H1) Engineering Specification DOCUMENT YF2012H1P2G45 REV. NO. A PAGE 2 OF 12 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 2.0x1.2x0.5 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 0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012H1) Engineering Specification DOCUMENT YF2012H1P2G45 REV. NO. A PAGE 3 OF 12 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 0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012H1) Engineering Specification DOCUMENT YF2012H1P2G45 REV. NO. A PAGE 4 OF 12 b. Test Board with Antenna 80 40 Unit: mm 7. Radiation Pattern (80 x 40 mm 2 ground plane) 7-1. 3D Gain Pattern @ 2442 MHz Z X Y 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 0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012H1) Engineering Specification DOCUMENT YF2012H1P2G45 REV. NO. A PAGE 5 OF 12 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 Y X Y X 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 0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012H1) Engineering Specification DOCUMENT YF2012H1P2G45 REV. NO. A PAGE 6 OF 12 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 Efficiency vs. Frequency 50 60 70 80 90 100 24002410242024302442245024602470248024902500 Frequency(MHz) Efficiency(%) 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 0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012H1) Engineering Specification DOCUMENT YF2012H1P2G45 REV. NO. A PAGE 7 OF 12 Bottom View Unit： mm 9. Frequency tuning a. Chip antenna tuning scenario： 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 0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012H1) Engineering Specification DOCUMENT YF2012H1P2G45 REV. NO. A PAGE 8 OF 12 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 10 pF* Murata (0402) ±0.1 pF *Typical reference values which may need to be changed when circuit boards or part vendors are different. c. Fine tuning element vs. Center frequency 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 0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012H1) Engineering Specification DOCUMENT YF2012H1P2G45 REV. NO. A PAGE 9 OF 12 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 0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF2012H1) Engineering Specification DOCUMENT YF2012H1P2G45 REV. NO. A PAGE 10 OF 12 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 0.5(mm) WiFi/Bluetoo…

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ReportNo.:CISRR26061115001 Page 55 of 60 8.TESTSETUPPHOTOS ConductedEmissionatACpowerline Radiatedbandedgeemission RadiatedSpuriousEmission(Above1GHz) ReportNo.:CISRR26061115001 Page 56 of 60 RadiatedSpuriousEmission(below1GHz)