2AZEQ-B189RWireless Earphone

NOTHINGTECHNOLOGYLIMITED FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:13July2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2AZEQ-B189R [NOTHINGTECHNOLOGYLIMITED](“theapplicant”)certifiesthattheequipmentforwhichauthorization issoughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. [NOTHINGTECHNOLOGYLIMITED](“theapplicant”)certifiesthattheequipmentforwhichauthorization issoughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab, Inc.oranyofitssuccessorsandassignees,includingequipmentwithintegratedKasperskyLab,Inc.(or anyofitssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB 986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, JathanLiu NOTHINGTECHNOLOGYLIMITED FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:13July2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2AZEQ-B189R [NOTHINGTECHNOLOGYLIMITED](“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofits subsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, JathanLiu

Date:26June2026 NothingTechnologyLimited To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 Re:NothingTechnologyLimited FCCID:2AZEQ-B189R FCCCertificationConfidentialityRequest Gentlemen: Thisletteristocomplywith47CFR0.457and0.459pertainingtoconfidentiality material.NothingTechnologyLimitedrequeststhatthefollowingdocuments regardingthissubmissionforFCCID:2AZEQ-B189Rbekeptconfidential: ExhibitTypeFileName BlockDiagramBlockDiagram.pdf SchematicsSchematics.pdf OperationalDescriptionOperationalDescription.pdf Tune-upTune-up.PDF Andbelowexhibitkeptshort-termconfidential(180days): ExternalphotosExternalphotos.pdf Testsetupphotostestphoto.pdf InternalphotosInternalphotos.pdf UsermanualUsermanual.pdf Thosedocumentscontaindetailedsystemandequipmentdescriptionandrelated informationabouttheproductwhichNothingTechnologyLimitedconsiderstobe confidentialproprietary,acustomdesignand,otherwise,notreleasabletothe generalpublic.Sincethisdesignisabasisformwhichfuturetechnological productswillevolve,NothingTechnologyLimitedconsidersthisinformationwould beofbenefittoitscompetitors,andthatthedisclosureoftheinformationinthese documentswouldgivecompetitorsanunfairadvantageinthemarket. YoursSincerely, JathanLiu

Date:26June2026 NothingTechnologyLimited To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 ToWhomItMayConcern: TheNothingTechnologyLimitedtheundersigned,herebyauthorizesMr.WuXuewenfrom ShenzhenBALUNTechnologyCo.,Ltd.,toactonthebehalfoftheNothingTechnologyLimited solelyinmattersrelatingtotheapplicationforanFCCequipmentauthorizationforFCCID: 2AZEQ-B189RincludingthesigningofdocumentsinconnectionwiththisApplication.Necessary actscarriedoutbyShenzhenBALUNTechnologyCo.,Ltd.inconnectionwiththeApplication shallhavethesameeffectasactsoftheSNothingTechnologyLimited TheNothingTechnologyLimitedalsoherebycertifythatnopartytothisapplicationissubject toadenialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuse Actof1988,21U.S.C.Section862. YoursSincerely, JathanLiu

Nothing Technology Limited LabelPlacementDeclaration Print Name:Jathan Liu To Federal Communication Commission Equipment Authorization Branch 7 435 Oakland Mills Road Columbia,MID 21046 For the following product Model Name：B189 FCC ID:2AZEQ-B189R IC:27102-B189R The FCC ID / IC will not affix on the earbuds,but described in the product user manual and the product package due to below reasons. The earbud is too small to put the ID label on it. Sincerely

CMF CLIP PRO 耳夹耳机 耳夾耳機 SKU: MODEL 型号 型號: B189 XXXXXXXXX COLOUR 颜色 顏色: XXXXXXXXX INPUT 输入 輸入CASE 充电盒 充電盒: 5V 0.9A OUTPUT 输出 輸出CASE 充电盒 充電盒: 5V 0.24A INPUT 输入 輸入EARBUDS 耳机 耳機: 5V 0.24A HVIN: B189R,B189L,B189C IC: 27102B189R,27102B189L,27102B189C FCC ID: 2AZEQB189R, 2AZEQB189L,2AZEQB189C RCnOtB189 LIION 3.8V, 475mAh, 1.805Wh 1ICP8/16/34 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. MANUFACTURE & UK IMPORTER: NOTHING TECHNOLOGY LIMITED ADDRESS: BEDFORD HOUSE, 21A JOHN STREET, LONDON, UNITED KINGDOM WC1N 2BF EU IMPORTER: NOTHING TECHNOLOGY B.V. ADDRESS: JAN PIETERSZ. COENSTRAAT 7, 2595WP 'SGRAVENHAGE , THE NETHERLANDS. •INGESTION HAZARD: THIS PRODUCT CONTAINS A BUTTON CELL OR COIN BATTERY. •DEATH OR SERIOUS INJURY CAN OCCUR IF INGESTED. •A SWALLOWED BUTTON CELL OR COIN BATTERY CAN CAUSE INTERNAL CHEMICAL BURNS IN AS LITTLE AS 2 HOURS. •KEEP NEW AND USED BATTERIES OUT OF REACH OF CHILDREN •SEEK IMMEDIATE MEDICAL ATTENTION IF A BATTERY IS SUSPECTED TO BE SWALLOWED OR INSERTED INSIDE ANY PART OF THE BODY. WARNING CANCER AND REPRODUCTIVE HARM WWW.P65WARNINGS.CA.GOV DESIGNED BY NOTHING MADE IN CHINA 中國製造 中國製造 ���- 260436 CCAF��LP��XXXX R�G��� RoHS SN:XXX XXX DATE 日期： XXXX.XX.XX 24 Nothing TECH JP R-C-nOt-B��� CMIIT ID：�XJ��XXXBXXX STANDARDS 执行标准:GB ����.�-���� 制造商：深圳纳欣科技有限公司 地址：广东省深圳市福田区彩田路����号深科技城B座��F Wireless Earphone Charging Case

Report No.: Ti-EE26030595-702 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 38 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Head-2 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen TEST REPORT Applicant: Nothing Technology Limited Address: Bedford House 21A John Street, London, United Kingdom WC1N 2BF Equipment Type: Wireless Earphone Model Name: B189 Brand Name: CMF FCC ID: 2AZEQ-B189R HVIN: B189R Test Standard: FCC 47 CFR Part 2.1093 (refer to section 3.1) Maximum SAR: Head (1 g@0mm): 0.77 W/kg Sample Arrival Date: Apr. 02, 2026 Test Date: Apr. 08, 2026 - Apr. 16, 2026 Date of Issue: Aug. 05, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Liu Haibo Checked by: Xu Rui Approved by: Liao Jianming (Technical Director) _______________ _______________ _______________ Report No.: Ti-EE26030595-702 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 38 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Head-2 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen Revision History Version Issue Date Revisions Content Rev. 01 Jun. 18, 2026 Initial Issue Rev. 02 Aug. 05, 2026 1. Home page added the HVIN. 2. Updated the Test Date. 3. Updated the documents in Annex D. TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 4 1.1 Test Laboratory ............................................................................................................ 4 1.2 Test Location ................................................................................................................ 4 1.3 Test Environment Condition .......................................................................................... 4 2 PRODUCT INFORMATION ....................................................................................................... 5 2.1 Applicant Information .................................................................................................... 5 2.2 Manufacturer Information .............................................................................................. 5 2.3 General Description for Equipment under Test (EUT) ................................................... 5 2.4 Ancillary Equipment ...................................................................................................... 5 2.5 Technical Information ................................................................................................... 6 3 SUMMARY OF TEST RESULT ................................................................................................. 7 3.1 Test Standards ............................................................................................................. 7 3.2 Device Category and SAR Limit ................................................................................... 8 3.3 Test Result Summary ................................................................................................... 9 3.4 Test Uncertainty ......................................................................................................... 10 4 MEASUREMENT SYSTEM ..................................................................................................... 11 4.1 Specific Absorption Rate (SAR) Definition .................................................................. 11 4.2 DASY SAR System .................................................................................................... 12 5 SYSTEM VERIFICATION ........................................................................................................ 19 5.1 Purpose of System Check .......................................................................................... 19 5.2 System Check Setup .................................................................................................. 19 6 TEST POSITION CONFIGURATIONS .................................................................................... 20 7 MEASUREMENT PROCEDURE ............................................................................................. 21 Report No.: Ti-EE26030595-702 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 38 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Head-2 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen 7.1 Measurement Process Diagram ................................................................................. 21 7.2 SAR Scan General Requirement ................................................................................ 22 7.3 Measurement Procedure ............................................................................................ 23 7.4 Area & Zoom Scan Procedure .................................................................................... 23 8 CONDUCTED RF OUPUT POWER ........................................................................................ 24 9 TEST EXCLUSION CONSIDERATION ................................................................................... 26 10 TEST RESULT ........................................................................................................................ 27 10.1 Bluetooth .................................................................................................................... 27 11 SAR Measurement Variability .................................................................................................. 28 12 SIMULTANEOUS TRANSMISSION ......................................................................................... 29 13 TEST EQUIPMENTS LIST ...............................................................…

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Report No.: Ti-EE26030595-AC 1 / 32 CALIBRATION REPORT F.1 E-Field Probe (EX3DV4 - SN:7664) Report No.: Ti-EE26030595-AC 2 / 32 Report No.: Ti-EE26030595-AC 3 / 32 Report No.: Ti-EE26030595-AC 4 / 32 Report No.: Ti-EE26030595-AC 5 / 32 Report No.: Ti-EE26030595-AC 6 / 32 Report No.: Ti-EE26030595-AC 7 / 32 Report No.: Ti-EE26030595-AC 8 / 32 Report No.: Ti-EE26030595-AC 9 / 32 Report No.: Ti-EE26030595-AC 10 / 32 Report No.: Ti-EE26030595-AC 11 / 32 Report No.: Ti-EE26030595-AC 12 / 32 Report No.: Ti-EE26030595-AC 13 / 32 Report No.: Ti-EE26030595-AC 14 / 32 Report No.: Ti-EE26030595-AC 15 / 32 Report No.: Ti-EE26030595-AC 16 / 32 Report No.: Ti-EE26030595-AC 17 / 32 Report No.: Ti-EE26030595-AC 18 / 32 Report No.: Ti-EE26030595-AC 19 / 32 Report No.: Ti-EE26030595-AC 20 / 32 Report No.: Ti-EE26030595-AC 21 / 32 Report No.: Ti-EE26030595-AC 22 / 32 Report No.: Ti-EE26030595-AC 23 / 32 F.2 Data Acquisition Electronics (DAE4 - SN:1711) Report No.: Ti-EE26030595-AC 24 / 32 Report No.: Ti-EE26030595-AC 25 / 32 Report No.: Ti-EE26030595-AC 26 / 32 F.3 2450 MHz Dipole Report No.: Ti-EE26030595-AC 27 / 32 Report No.: Ti-EE26030595-AC 28 / 32 Report No.: Ti-EE26030595-AC 29 / 32 Report No.: Ti-EE26030595-AC 30 / 32 Report No.: Ti-EE26030595-AC 31 / 32 Report No.: Ti-EE26030595-AC 32 / 32 D2450V2 Dipole impedance and return loss Validation Meas. Results Current Meas. Previous Meas. Max. Deviation Meas. Data 2025.05.06 2024.05.07 / Return Loss(dB) -27.271 -27.884 -2.20% Impedance 51.780 Ω + 5.716 jΩ 51.604 Ω + 3.776 jΩ 1.941Ω (Imaginary part) --END OF REPORT--

Report No.: Ti-EE26030595-603 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 75 Web: www.titcgroup.com Template No.: TRP-FCC&ISED 247 (2022-01-12) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen TEST REPORT Applicant: Nothing Technology Limited Address: Bedford House 21A John Street, London, United Kingdom WC1N 2BF Equipment Type: Wireless Earphone Model Name: B189 Brand Name: CMF FCC ID: 2AZEQ-B189R ISED Number: 27102-B189R HVIN: B189R Test Standard: 47 CFR Part 15 Subpart C RSS-Gen Issue 5 RSS-247 Issue 4 (refer to section 3.1) Sample Arrival Date: Mar. 31, 2026 Test Date: Apr. 07, 2026 - Apr. 29, 2026 Date of Issue: Aug. 05, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Li Renyu Checked by: Li Ganming Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: Ti-EE26030595-603 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 75 Web: www.titcgroup.com Template No.: TRP-FCC&ISED 247 (2022-01-12) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen Revision History Version Issue Date Revisions Rev. 01 Jun. 17, 2026 Initial Issue Rev. 02 Aug. 05, 2026 Home page added the HVIN. TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 4 1.1 Test Laboratory ............................................................................................................ 4 1.2 Test Location ................................................................................................................ 4 2 PRODUCT INFORMATION ....................................................................................................... 5 2.1 Applicant Information .................................................................................................... 5 2.2 Manufacturer Information .............................................................................................. 5 2.3 General Description for Equipment under Test (EUT) ................................................... 5 2.4 Technical Information ................................................................................................... 6 3 SUMMARY OF TEST RESULTS ............................................................................................... 8 3.1 Test Standards ............................................................................................................. 8 3.2 Test Verdict .................................................................................................................. 9 4 GENERAL TEST CONFIGURATIONS .................................................................................... 10 4.1 Test Environments ...................................................................................................... 10 4.2 Test Equipment List .................................................................................................... 10 4.3 Test Software List ....................................................................................................... 10 4.4 Measurement Uncertainty ........................................................................................... 11 4.5 Description of Test Setup ........................................................................................... 11 4.6 Measurement Results Explanation Example ............................................................... 14 5 TEST ITEMS ........................................................................................................................... 15 5.1 Antenna Requirements ............................................................................................... 15 5.2 Frequency Hopping Systems ...................................................................................... 16 5.3 Number of Hopping Frequencies ................................................................................ 18 5.4 Peak Output Power and E.I.R.P ................................................................................. 19 5.5 Occupied Bandwidth ................................................................................................... 20 Report No.: Ti-EE26030595-603 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 75 Web: www.titcgroup.com Template No.: TRP-FCC&ISED 247 (2022-01-12) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen 5.6 Carrier Frequency Separation ..................................................................................... 21 5.7 Time of Occupancy (Dwell time) ................................................................................. 22 5.8 Conducted Spurious Emission & Authorized-band band-edge .................................... 24 5.9 Conducted Emission ................................................................................................... 25 5.10 Radiated Spurious Emission ....................................................................................... 26 5.11 Band Edge (Restricted-band band-edge) .................................................................... 31 ANNEX A TEST RESULT ........................................................................................................... 34 A.1 Number of Hopping Frequency ................................................................................... 34 A.2 Peak Output Power and E.I.R.P ................................................................................. 35 A.3 20 dB and 99% bandwidth .......................................................................................... 38 A.4 Hopping Frequency Separation ..................................…

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CC-JL-RD-36V1.0 1 Antenna Part Specification Project name： NT25211 Antenna name： R-BT antenna Version： V1.0 Date： 2026.3.23 Manufacturer： Shenzhen Cicent Communication Technology Co., Ltd. Manufacturer address： 505-506 ,ABlock,Donglian Building,Chuangye 2 road,Baoan District,Shenzhen,Guangdong,P.R china CC-JL-RD-36V1.0 2 Contents I: The report of passive data ...................................................................................................................................................... 3 II：3D Active test report of antenna ......................................................................................................................................... 6 III：Antenna matching circuit .................................................................................................................................................. 6 IV：Precautions for Handling the Whole Machine Environment ............................................................................................. 7 V：Antenna structure diagram file ........................................................................................................................................... 8 Change record Compile / change date Reason for change Changed content Version 2026.3.23 First edition First edition V1.0 CC-JL-RD-36V1.0 3 I: The report of passive data Angilent E5071C Antenna S11 parameter： CC-JL-RD-36V1.0 4 Antenna efficiency and gain: R Frequency （MHz） Efficiency （dB） Gain (dBi) Efficiency (% ) 2400 -7.56 -3.56 17.54 2410 -7.40 -3.60 18.21 2420 -7.25 -3.61 18.83 2430 -7.19 -3.72 19.10 2440 -7.10 -3.81 19.51 2450 -6.96 -3.84 20.12 2460 -6.89 -3.95 20.46 2470 -6.86 -4.08 20.63 2480 -6.85 -4.25 20.67 2490 -7.02 -4.56 19.86 2500 -7.25 -4.70 18.86 average -7.12 -3.97 19.44 3D Antenna radiation pattern： CC-JL-RD-36V1.0 5 2D Antenna radiation pattern: Theta=90.00deg Phi=0.00deg Phi=90.00deg CC-JL-RD-36V1.0 6 II：3D Active test report of antenna free head model Channel TRP（dBm） TIS（dBm） TRP（dBm） TIS（dBm） R CH 0 5.3 -89.2 0.6 -83.5 CH 39 6.5 -90.2 1.4 -84.3 CH 78 7.2 -90.0 1.0 -84.2 OTA Standard Chamber III：Antenna matching circuit CC-JL-RD-36V1.0 8 V：Antenna structure diagram file