2AI6I-TW889RTWS EARBUDS

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GuangzhouHavitTechnologyCo.,Ltd. Room1307,13F,BuildingBandC,PolyWorldTradeCenterPhaseII,1000 XingangdongRoad,HaizhuDistrict,GuangzhouCity,Guangdong,China FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 Date：June3,2026 U.S.AgentDesignation {GuangzhouHavitTechnologyCo.,Ltd.}acknowledgestheirconsentforthefollowingcontactlocatedinthe UnitedStatestoactastheiragentforserviceofprocessfortheequipmentforwhichauthorizationissought(FCC ID:2AI6I-TW889R): NameandcompanyofU.S.agent:BridgeportAdvisoryLLC PhysicalU.S.addressofagent:3330W38THPL,CHICAGO,IL60632,UnitedStates 0025744657ofU.S.agent:0037566148 EmailaddressofU.S.agent:[email protected] ContactNO.:(708)680-6688 BridgeportAdvisoryLLCacknowledgestheirobligationtoacceptserviceofprocessonbehalfof{Guangzhou HavitTechnologyCo.,Ltd.}. {GuangzhouHavitTechnologyCo.,Ltd.}withtheFRN[0025744657]acceptsitsobligationtomaintainanagent forserviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,ortheconclusionofany Commission-relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheverislater. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirementslistedunder§ 2.911(d)(7). TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB 986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotify theFCCwithin30daysviathegrantingTCB. Sincerely, Signature YangWei Manager GuangzhouHavitTechnologyCo.,Ltd. Signature MrYongLiu ManagingMember BridgeportAdvisoryLLC 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 5

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2AI6I-TW889R TW889, SPACE T2 We, Applicant Company Name: Guangzhou Havit Technology Co., Ltd. Address: Room 1307, 13F, Building B and C, Poly World Trade Center Phase II, 1000 Xingangdong Road, Haizhu District, Guangzhou City, Guangdong, China Phone: +86-20-6682 0279 certify that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. This includes the cybersecurity and anti-virus software produced or provided by Kaspersky Lab, Inc. or any of ist successors and assignees. We certify that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2026-06-05 Signature Date Name / Title: Wei Yang / Manager Company: Guangzhou Havit Technology Co., Ltd. Address: Room 1307, 13F, Building B and C, Poly World Trade Center Phase II, 1000 Xingangdong Road, Haizhu District, Guangzhou City, Guangdong, China Phone: +86-20-6682 0279 Fax: N/A E-Mail: [email protected]

Due Diligence Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern FCC ID Model name 2AI6I-TW889R TW889, SPACE T2 Pursuant to KDB 986446 D01 Covered Equipment Guidance the evaluation of the product above shows compliance for the following reasons: Compliance Evaluation process Results Inherent compliance The chipset(s) used is not capable of running the cybersecurity and/or anti-virus software Compliance The memory used does not allow the running the cybersecurity and/or anti-virus software Compliance The storage capacity does not allow the running the cybersecurity and/or anti-virus software Compliance The operating system used is not capable of running the cybersecurity and/or anti-virus software Compliance No inherent compliance Based on software bill of material Based on scan for running software on the device Based on filesystem scan for cybersecurity and/or anti-virus software The equipment for which authorization is sought complies with the rules and fulfils the requirements as detailed in the above mentioned KDB. Evaluation performed by Company Name: Shenzhen Huaxia Testing Technology Co., Ltd Contact Name: Yoyo Zhou Address: 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Phone: +86-755-26648642 Email: [email protected] Signature: Date: 2026-07-24

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2AI6I-TW889R TW889, SPACE T2 For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics • the Part List • the Tune up Information The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2026-06-05 Signature Date Name / Title: Wei Yang / Manager Company: Guangzhou Havit Technology Co., Ltd. Address: Room 1307, 13F, Building B and C, Poly World Trade Center Phase II, 1000 Xingangdong Road, Haizhu District, Guangzhou City, Guangdong, China Phone: +86-20-6682 0279 Fax: N/A E-Mail: [email protected]

GuangzhouHavitTechnologyCo.,LTD ModelConfirmationLetter We,GuangzhouHavitTechnologyCo.,LTDcertifytheproduct: TWSEARBUDS ModelNo.:TW889,SPACET2 FCCID:2AI6I-TW889R Theirelectricalcircuitdesign,layout,componentsusedandinternalwiringareidentical, Onlythemodelnumberweredifferent. Signiture: GranteeContact:YangWei CompanyName:GuangzhouHavitTechnologyCo.,LTD Date:June3,2026

Externalphotos FCC ID: 2AI6I-TW889R

Internalphotos FCC ID: 2AI6I-TW889R Antenna

SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD 102A,102B,Building2,ShanghenglangNewIndustrialZone,ShanghenglangCommunity, DalangStreet,LonghuaDistrict,Shenzhen,Guangdong,People’sRepublicofChina,518000 Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V06 ReportTemplateRevisionDate:2026-01-30 RFExposureEvaluationReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20260400721E-03 Applicant:GuangzhouHavitTechnologyCo.,Ltd. AddressofApplicant:ROOM1307,13F,PHASE2B,CBUILDINGOFPOLYWORLDTRADE CENTER,NO.1000,XINGANGEASTROAD,HAIZHU,GUANGDONG510000 China EquipmentUnderTest(EUT): EUTName:TWSEARBUDS ModelNo.:TW889 TestModelNo.:TW889 BrandName:HAVIT FCCID:A16I-TW889R Standards: 47CFRPart1.1307 47CFRPart2.1093 KDB447498D04InterimGeneralRFExposureGuidancev01 DateofReceipt:2026-04-08 DateofTest:2026-04-08to2026-04-17 DateofIssue:2026-7-24 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD. ReportNo.:CQASZ20260400721E-03 Page:2of9 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20260400721E-03Rev.01 Initialreport 2026-7-24 SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD. ReportNo.:CQASZ20260400721E-03 Page:3of9 2Contents Page 1VERSION............................................................................................................................................................................2 2CONTENTS........................................................................................................................................................................3 ..................................................................................................................................................................................................3 3GENERALINFORMATION..............................................................................................................................................4 3.1CLIENTINFORMATION...................................................................................................................................................4 3.2GENERALDESCRIPTIONOFEUT...................................................................................................................................4 3.3GENERALDESCRIPTIONOFBLE...................................................................................................................................4 3.4GENERALDESCRIPTIONOFBT......................................................................................................................................4 4RFEXPOSUREEVALUATION.......................................................................................................................................6 4.1SAREVALUATIONFORPORTABLECONDITION...........................................................................................................6 4.1.1StandardRequirement......................................................................................................................................6 4.1.2Limits....................................................................................................................................................................6 4.1.3SARExclusionEvaluationResult...................................................................................................................8 SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD. ReportNo.:CQASZ20260400721E-03 Page:4of9 3GeneralInformation 3.1ClientInformation Applicant:GuangzhouHavitTechnologyCo.,Ltd. AddressofApplicant:ROOM1307,13F,PHASE2B,CBUILDINGOFPOLYWORLDTRADE CENTER,NO.1000,XINGANGEASTROAD,HAIZHU,GUANGDONG 510000China Manufacturer: GuangzhouHavitTechnologyCo.,Ltd. AddressofManufacturer: ROOM1307,13F,PHASE2B,CBUILDINGOFPOLYWORLDTRADE CENTER,NO.1000,XINGANGEASTROAD,HAIZHU,GUANGDONG 510000China Factory: GuangzhouHavitTechnologyCo.,Ltd. AddressofFactory: ROOM1307,13F,PHASE2B,CBUILDINGOFPOLYWORLDTRADE CENTER,NO.1000,XINGANGEASTROAD,HAIZHU,GUANGDONG 510000China 3.2GeneralDescriptionofEUT ProductName: TWSEARBUDS ModelNo.: TW889 TestModelNo.: TW889 TradeMark: HAVIT SoftwareVersion: V2.0.2 HardwareVersion: V1.2 PowerSupply: earphone:3.7V40mAh0.148Wh chargingcompartment:3.7V400mAh1.48Wh,ChargebyDC5Vforadapter SimultaneousTransmissionSimultaneousTXissupportedandevaluatedinthisreport. SimultaneousTXisnotsupported. 3.3GeneralDescriptionofBLE OperationFrequency:2402MHz~2480MHz ModulationType:GFSK TransferRate:1Mbps NumberofChannel:40 ProductType:MobilePortableFixLocation AntennaType: Chipantenna AntennaGain: 3.08dBi 3.4GeneralDescriptionofBT OperationFrequency:2402MHz~2480MHz ModulationType:GFSK,π/4DQPSK TransferRate:1Mbps/2Mbps NumberofChannel:79 ProductType:MobilePortableFixLocation SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD. ReportNo.:CQASZ20260400721E-03 Page:5of9 AntennaType: Chipantenna AntennaGain: 3.08dBi SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD. ReportNo.:CQASZ20260400721E-03 Page:6of9 4RFExposureEvaluation 4.1 SAREvaluationforPortablecondition 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…

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Features 1.Surface Mounted Devices with a small dimension of 1.6 x 0.8 x 0.8 mm meet future miniaturization trend. 2,Embedded and LTCC (low temperature co-fired ceramic) technology is able to integrate with system design as well as beatifying the housing of final product. 3.High stability and low tolerance. Applications 1. Bluetooth 2. Wireless LAN 3. ISMband 2.4GHz wireless applications Dimensions（Unit：mm） Shenzhen Helixun Technology Co., Ltd. Room 1004, Jinhuanyu Building, No. 56 Tiezai Road, Xixiang Street, Bao'an District, Shenzhen City, Guangdong Province, China Symbols LWTA Dimensions 1.60±0.200.80±0.200.80±0.200.30±0.10 ① ② Number Terminal Name ① INPUT ② NC P/N:HLX160808D06 ( Bottom View) T ( Side View) ( Top View) A L w Evaluation Board and Matching Circuits P/N:HLX160808D06 Frequency(MHz) 2400245024802500 VSWR1.561.161.481.79 P/N:HLX160808D06 S11-Parameter P/N:HLX160808D06 Radiation Pattern Y-Z Plane X - Z Pl a n e 2400MHz 2450MHz Y - ZPl a n e 2500MHz 2400MHz Frequ ency 2400MHz 2450MHz 2 500MHz Average Gain (dBi) 1.30 0.93 0.45 Peak Gain (dBi) 2.70 2.60 2.50 Efficiency (%) 57% 54% 53% P/N:HLX160808D06 X - Y Pl a n e X - Z Pl a n e 2450MHz 2500MHz 2400MHz 2450MHz 2500MHz Temperature：40±2°C Humidity：90~95%RH Duration：500h Recovery conditions：Room temperature Recovery Time：24h (Class1) or 48h (Class2) Solderability At least 95% of the terminal electrode is covered by new solder.Preheating conditions:80 to 120°C; 10~30s. SolderTemperature:235± 5°C Duration:2 ±0.5s , SolderTemperature:245±5°C Duration:2±0.5s Optimum Solder Amount for Reflow Soldering P/N:HLX160808D06 Dependability Test Test Temperature: 25°C±3°C 天线厚度 Operating Temperature Temperature Relative Humidity Moisture Proof Weak holding force may cause bad connection between the capacitor and PCB. Recommended Soldering amounts -25°C~+85°C 5~40°C 20~70% Cracks tend to occur due to large stress. The optimal solder fillet amounts for re-flow solderingThe optimal solder fillet amounts for wave soldering Not enough solder Too much solder 以下 Test Board: Al2O3 orPCB Warp: 1mm Speed: 0.5mm/sec. Unit: mm The measurement should be made with the board in the bending position. Resistanceto SolderingHeat Preheating80 to 120°C; 10~30s.SolderTemperature:235±5°C Duration:2±0.5s，SolderTemperature:245±5°C Duration:2±0.5s，Preheating100to200°C;10±2min. Solder Temperature: 265±5°C Duration: 10±1s Clean the capacitor with solvent and examine it with a 10X(min.) microscope. Recovery Time: 24±2h Recovery condition: Room temperature Resistance to Flexure of Substrate Temperature Cycle Test 10±1S Applied Force: 5N Duration: 10±1S Preheating conditions: up-category temperature, 1h Recovery time: 24±1h Initial Measurement Cycling Times: 5 times, 1 cycle, 4 steps: P/N:HLX160808D06 While in preheating,please keep the temperature difference between soldering temperature and surface temperature of chips as: T≤150°C. P/N:HLX160808D06 Storage Period The guaranteed period for solderability is 6 months (Under deliver package condition).Temperature 5~40°C /Relative Humidity20~70% P/N:HLX160808D06 Dimensions of paper taping for 0603types Reel（4000 pcs/Reel） Unit：mm

SHENZHEN HUAXIA TESTING TECHNOLOGY CO., LTD 102A, 102B, Building 2, Shanghenglang New Industrial Zone, Shanghenglang Community, Dalang Street, Longhua District, Shenzhen, Guangdong, People’s Republic of China, 518000 Telephone: +86-755-26648640 Fax: +86-755-26648637 Website: www.cqa-cert.com Report Template Version: V06 Report Template Revision Date: 2026-01-30 Test Report The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to the sample(s) tested. Without written approval of CQA, this report can’t be reproduced except in full. Report No.: CQASZ20260400721E-01 Applicant: Guangzhou Havit Technology Co., Ltd. Address of Applicant: ROOM 1307, 13F, PHASE 2 B, C BUILDING OF POLY WORLD TRADE CENTER, NO.1000, XINGANG EAST ROAD, HAIZHU, GUANGDONG 510000 China Equipment Under Test (EUT): Product: TWS EARBUDS Model No.: TW889 Test Model No.: TW889 Brand Name: HAVIT FCC ID: A16I-TW889R Standards: 47 CFR Part 15, Subpart C KDB558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2020 Date of Receipt: 2026-04-08 Date of Test: 2026-04-08 to 2026-04-17 Date of Issue: 2026-7-24 Test Result: PASS* *In the configuration tested, the EUT complied with the standards specified above. Tested By: ( Lewis Zhou ) Reviewed By: ( Timo Lei ) Approved By: ( Jack Ai) SHENZHEN HUAXIA TESTING TECHNOLOGY CO., LTD Report No.: CQASZ20260400721E-01 Page:2 of 49 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20260400721E-01 Rev.01 Initial report 2026-7-24 SHENZHEN HUAXIA TESTING TECHNOLOGY CO., LTD Report No.: CQASZ20260400721E-01 Page:3 of 49 2 Test Summary Test Item Test Requirement Test method Result Antenna Requirement 47 CFR Part 15, Subpart C Section 15.203/15.247 (c) ANSI C63.10- 2020+Cor. 1- 2023+C63.10a-2024 + Errata to C63.10a-2024 PASS AC Power Line Conducted Emission 47 CFR Part 15, Subpart C Section 15.207 ANSI C63.10- 2020+Cor. 1- 2023+C63.10a-2024 + Errata to C63.10a-2024 PASS Conducted Peak Output Power 47 CFR Part 15, Subpart C Section 15.247 (b)(3) ANSI C63.10- 2020+Cor. 1- 2023+C63.10a-2024 + Errata to C63.10a-2024 PASS 6dB Occupied Bandwidth 47 CFR Part 15, Subpart C Section 15.247 (a)(2) ANSI C63.10- 2020+Cor. 1- 2023+C63.10a-2024 + Errata to C63.10a-2024 PASS Power Spectral Density 47 CFR Part 15, Subpart C Section 15.247 (e) ANSI C63.10- 2020+Cor. 1- 2023+C63.10a-2024 + Errata to C63.10a-2024 PASS Band-edge for RF Conducted Emissions 47 CFR Part 15, Subpart C Section 15.247(d) ANSI C63.10- 2020+Cor. 1- 2023+C63.10a-2024 + Errata to C63.10a-2024 PASS RF Conducted Spurious Emissions 47 CFR Part 15, Subpart C Section 15.247(d) ANSI C63.10- 2020+Cor. 1- 2023+C63.10a-2024 + Errata to C63.10a-2024 PASS Radiated Spurious Emissions 47 CFR Part 15, Subpart C Section 15.205/15.209 ANSI C63.10- 2020+Cor. 1- 2023+C63.10a-2024 + Errata to C63.10a-2024 PASS Restricted bands around fundamental frequency (Radiated Emission) 47 CFR Part 15, Subpart C Section 15.205/15.209 ANSI C63.10- 2020+Cor. 1- 2023+C63.10a-2024 + Errata to C63.10a-2024 PASS SHENZHEN HUAXIA TESTING TECHNOLOGY CO., LTD Report No.: CQASZ20260400721E-01 Page:4 of 49 3 Contents Page 1 VERSION ........................................................................................................................................................................ 2 2 TEST SUMMARY .......................................................................................................................................................... 3 3 CONTENTS .................................................................................................................................................................... 4 4 GENERAL INFORMATION .......................................................................................................................................... 5 4.1 CLIENT INFORMATION ................................................................................................................................................ 5 4.2 GENERAL DESCRIPTION OF EUT ................................................................................................................................ 5 4.3 ADDITIONAL INSTRUCTIONS ....................................................................................................................................... 7 4.4 TEST ENVIRONMENT .................................................................................................................................................. 8 4.5 DESCRIPTION OF SUPPORT UNITS ............................................................................................................................... 8 4.6 TEST CONFIGURATION ............................................................................................................................................... 8 4.7 STATEMENT OF THE MEASUREMENT UNCERTAINTY .................................................................................................... 9 4.8 TEST LOCATION ....................................................................................................................................................... 10 4.9 TEST FACILITY ......................................................................................................................................................... 10 4.10 DEVIATION FROM STANDARDS ............................................................................................................................... 10 4.11 OTHER INFORMATION REQUESTED BY THE CUSTOMER .......................................................................................... 10 4.12 EQUIPMENT LIST .................................................................................................................................................... 11 5 TEST RESULTS AND MEASUREMENT DATA .................................................................................................... 12 5.1 ANTENNA REQU…

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Setupphotos 1Photographs-EUTTestSetup 1.1RadiatedSpuriousEmission 9kHz~30MHz: 30MHz~1GHz: FCC ID: 2AI6I-TW889R Above1GHz: 1.2ConductedEmissionsTestSetup 1.3RFConductedmeasurement