2AOKX-HP02Harry Potter Book-Style TWS Wireless Earphones

Shenzhen Swetz Sound Technology Co., Limited Code 00018768 Ed. 1 Item 1. The device is able to install software/program installation? ☐ Yes, go to Item 2. ☒ No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky cybersecurity or anti-virus software. Item 2. Technical Requirements for Kaspersky Cybersecurity Software: # General Requirements (For all Devices) Yes / No or N/A Comments 1 Internet connection for activation and updates (For all Operating Systems) N/A Device Harry Potter Book-Style TWS Wireless Earphones Company name Shenzhen Swetz Sound Technology Co., Limited Grantee code 2AOKX FCC ID 2AOKX-HP02 FRN 0027078971 Contact name Feng Yang Address No.19, Jianlong Street, Baoan Community, Yuanshan, Longgang Distict, Shenzhen, China Telephone number +86-755-28404633 E-mail [email protected] Chipset/module information AC7043A Operating System (if applicable) N/A Storage Capacity (hard drive or other permanent memory storage, if applicable) N/A 2 # General Requirements (For Windows Devices) Yes / No or N/A Comments 1 Storage: 1500 MB free space on the hard drive N/A 2 Operating System: Microsoft Windows 8, 8.1, 10 & 11 Home / Pro / Enterprise Microsoft Windows 7 Starter / Home Basic & Premium / Professional / Ultimate SP1 or higher N/A 3 Processor: 1 GHz or higher (x86 or x64) N/A 4 Memory (RAM)1 GB (32-bit) or 2 GB (64-bit) N/A 5 Screen Resolution: Minimum resolution of 1024 x 768 N/A # General Requirements (For macOS devices) Yes / No or N/A Comments 1 Operating System macOS® 13 – 14 N/A 2 Memory (RAM)4 GB N/A 3 Storage: 3455 MB free space on the hard drive N/A # General Requirements (For Android Devices) Yes / No or N/A Comments 1 Storage: 150 MB free space N/A 2 Operating System: Android™ 10 – 14 N/A 3 Screen Resolution: Minimum resolution of 320 x 480 N/A # General Requirements (for iOS devices) Yes / No or N/A Comments 1 Storage: 150 MB free space N/A 2 Operating System: iOS® 17 N/A 3 After reviewed the technical requirements, is the device capable of supporting the installation of Kaspersky software? ☐ Yes, go to Item 3. ☒ No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky software Item 3. Connectivity Capabilities: # Physical Interface Purpose Justification 1 1 # Wireless Interface Purpose Justification 1 1 After the review of this items, the device: ☒ Cannot support installation of any cybersecurity or anti-virus software on the covered list. ☐ Potentially can operate with any cybersecurity or anti-virus software on the covered list – additional third- party proof is provided to demonstrate compliance with requirements as of 2.911(d)5(i),(ii) – “Proof of Compliance with Covered List Software Requirements” of this document applies Signature: Name: Feng Yang Date: 04.28.2025 1 The justification field is used to justify why the software cannot be received through that interface. Check the annex for more indications.

Shenzhen Swetz Sound Technology Co., Limited Product Similarity Declaration Product name: Harry Potter Book-Style TWS Wireless Earphones Model name: HP02, TS627B FCC ID: 2AOKX-HP02 We (Shenzhen Swetz Sound Technology Co., Limited) hereby state that all the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), the only difference is the model name and color. Signature: Name: Feng Yang Title: Manager Date: 3/25/2026

TCB CALL página 1 File FCC ID: 2AOKX-HP02 Please upload an exhibit that explains how does the TCB verify the new agent information: 1- Is the address of the agent a valid physical US mailing address (not a US post office box, not a virtual mailbox, not P.O. Boxes, not a vacant lot, not a public building, etc.) ○ We have checked if the address exists in a real and potential building (Google maps) + official US register, after this verification and the evidence below we can guarantee the following: not a US post office box not a virtual mailbox not P.O. Boxes not a vacant lot not a public building(note) ► We checked the FCC FRN Search based on the information provided by the grantee. Google: TCB CALL página 2 EIN Statement TCB CALL página 3 ► CONCLUSION by TCB: The ASOP defined and provided by grantee is VALID and confirmed. Therefore the exhibit "C5266091_X23_Ed1_US_Agent_Letter" included in the file is ok. 2- Is the agent physically located at that valid US address such that the agent can be legally served at that address? Yes , check above 3- Has the listed agent clearly agreed in writing to serve as the agent for the grantee at that address? Yes, it is included in the exhibit "C5266091_X23_Ed1_US_Agent_Letter"

Shenzhen Swetz Sound Technology Co., Limited version02 3/31/2026 Dear Sirs: We hereby declare that because the earphone size is too small, the FCC ID number is printed on the User Manual and product packaging, hereby declare. FCC ID: 2AOKX-HP02 Sincerely, Signature: Name: Feng Yang Title: Manager Company: Shenzhen Swetz Sound Technology Co., Limited

1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company Name: Picus Advisors US LLC FRN: 0034336891 Contact Name: lvan Wang Address: 5855 SOVEREIGN DRSTE B-1, HOUSTON, TX 77036, USA Telephone No: (713) 391-4488 Email: [email protected] Applicant: Company name: Shenzhen Swetz Sound Technology Co., Limited FRN: 0027078971 Product Description: Harry Potter Book-Style TWS Wireless Earphones Grantee code: 2AOKX FCC ID: 2AOKX-HP02 Contact Name: Feng Yang Address: No.19, Jianlong Street, Baoan Community, Yuanshan, Longgang Distict, Shenzhen, China Telephone No: +86-755-28404633 Email: [email protected] [Shenzhen Swetz Sound Technology Co., Limited] certifies that, as of the date of this filing of the application with the TCB, [Picus Advisors US LLC] is our designated US agent for service of process for the above referenced FCC ID. [Shenzhen Swetz Sound Technology Co., Limited] accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any commission related proceeding involving equipment. [Picus Advisors US LLC] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 03.25.2026 Applicant’s Name: Feng Yang US Agent’s Name: lvan Wang Title: Manager Title: CEO Signature Signature

Attestation Statement. Old Code: C5266091 24 New Code: 00015544 Ed.3 Change reason: FRN is added to the Applicant information section. 1/1 TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: Shenzhen Swetz Sound Technology Co., Limited Grantee code: 2AOKX FCC ID: 2AOKX-HP02 FRN: 0027078971 Contact Name: Feng Yang Address: No.19, Jianlong Street, Baoan Community, Yuanshan, Longgang Distict, Shenzhen, China Telephone No: +86-755-28404633 Fax No: +86-755-28404633 Email: [email protected] i. [Shenzhen Swetz Sound Technology Co., Limited] (“the applicant”) certifies 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. The applicant must sign this certification. ii. [Shenzhen Swetz Sound Technology Co., Limited] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. Shenzhen Swetz Sound Technology Co., Limited certifies 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. Date: 03.25.2026 Applicant’s Name: Feng Yang Title: Manager Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist

C5266091_X10_Ed.2 1/1 Shenzhen Swetz Sound Technology Co., Limited Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 3/25/2026 Subject: Request for Confidentiality FCC ID: 2AOKX-HP02 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name: Feng Yang Title: Manager

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: Shenzhen Swetz Sound Technology Co., Limited Address: No.19, Jianlong Street, Baoan Community, Yuanshan, Longgang Distict, Shenzhen, China Product Name: Harry Potter Book-Style TWS Wireless Earphones Model Number: HP02, TS627B FCC Identifier: 2AOKX-HP02 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Feng Yang Date: 3/25/2026 Title: Manager Signature of applicant:

Page 1 of 5 Report No.: MTi260126017-0205 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: 0755-88850135-1439 Mobile: 131-4343-1439 (Wechat same number) Web: http://www.mtitest.cn E-mail: [email protected] Photographs of the EUT (External Photos) Model: HP02 Page 2 of 5 Report No.: MTi260126017-0205 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: 0755-88850135-1439 Mobile: 131-4343-1439 (Wechat same number) Web: http://www.mtitest.cn E-mail: [email protected] Page 3 of 5 Report No.: MTi260126017-0205 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: 0755-88850135-1439 Mobile: 131-4343-1439 (Wechat same number) Web: http://www.mtitest.cn E-mail: [email protected] Page 4 of 5 Report No.: MTi260126017-0205 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: 0755-88850135-1439 Mobile: 131-4343-1439 (Wechat same number) Web: http://www.mtitest.cn E-mail: [email protected] Page 5 of 5 Report No.: MTi260126017-0205 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: 0755-88850135-1439 Mobile: 131-4343-1439 (Wechat same number) Web: http://www.mtitest.cn E-mail: [email protected]

Page1of4ReportNo.:MTi260126017-0205 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] PhotographsoftheEUT(InternalPhotos) Model:HP02 Page2of4ReportNo.:MTi260126017-0205 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Page3of4ReportNo.:MTi260126017-0205 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Page4of4ReportNo.:MTi260126017-0205 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] ANT

Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page 1 of 6 RFEXPOSURE TestReport ReportNo.:MTi260126017-0205E2 DateofIssue:2026-04-07 Applicant:ShenzhenSwetzSoundTechnologyCo.,Limited Product:HarryPotterBook-StyleTWSWirelessEarphones Model(s):HP02,TS627B FCCID:2AOKX-HP02 ShenzhenMicrotestCo.,Ltd. TESTREPORT ReportNo.:MTi260126017-0205E2 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page2of6 Tableofcontents 1StandaloneSARtestexclusionconsiderations.................................................................4 2SARTestExclucsionThresholds.........................................................................................5 TESTREPORT ReportNo.:MTi260126017-0205E2 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page3of6 TestResultCertification ApplicantShenzhenSwetzSoundTechnologyCo.,Limited ApplicantAddress No.19,JianlongStreet,BaoanCommunityYuanshan,LonggangDistrict ShenzhenChina ManufacturerShenzhenSwetzSoundTechnologyCo.,Limited Manufacturer Address No.19,JianlongStreet,BaoanCommunityYuanshan,LonggangDistrict ShenzhenChina FactoryShenzhenSwetzSoundTechnologyCo.,Limited FactoryAddress No.19,JianlongStreet,BaoanCommunityYuanshan,LonggangDistrict ShenzhenChina Productdescription ProductnameHarryPotterBook-StyleTWSWirelessEarphones Trademark ModelnameHP02 SeriesModel(s)TS627B Standards47CFRPart2.1093 TestmethodKDB447498D01v06 TestingInformation Dateoftest2026-03-01to2026-03-08 TestResultPass Preparedby:ManusWang Reviewedby:DavidLee Approvedby:LewisLian TESTREPORT ReportNo.:MTi260126017-0205E2 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page4of6 1StandaloneSARtestexclusionconsiderations UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-g headorbodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions,by measurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARTest ExclusionThresholdcondition(s),listedbelow,is(are)satisfied. Thesetestexclusionconditionsarebasedonsource-basedtime-averagedmaximum conductedoutputpoweroftheRFchannelrequiringevaluation,adjustedfortune-uptolerance, andtheminimumtestseparationdistancerequiredfortheexposureconditions. Theminimumtestseparationdistancedefinedin4.1f)isdeterminedbythesmallestdistance fromtheantennaandradiatingstructuresoroutersurfaceofthedevice,accordingtothehost formfactor,exposureconditionsandplatformrequirements,toanypartofthebodyorextremity ofauserorbystander. ToqualifyforSARtestexclusion,thetestseparationdistancesappliedmustbefullyexplained andjustified,typicallyintheSARmeasurementorSARanalysisreport,bytheoperating configurationsandexposureconditionsofthetransmitterandapplicablehostplatform requirements,accordingtotherequiredpublishedRFexposureKDBprocedures. WhennootherRFexposuretestingorreportingarerequired,astatementofjustificationand compliancemustbeincludedintheequipmentapproval,inlieuoftheSARreport,toqualifyfor SARtestexclusion. Whenrequired,thedevicespecificconditionsdescribedintheotherpublishedRFexposure KDBproceduresmustbesatisfiedbeforeapplyingtheseSARtestexclusionprovisions. a)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 Thevalues3.0and7.5arereferredtoasnumericthresholdsinstepb)below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm, andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto4.1f)isappliedtodetermine SARtestexclusion. b)For100MHzto6GHzandtestseparationdistances>50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing(alsoillustratedinAppendixB): 1){[Powerallowedatnumericthresholdfor50mminstepa)]+[(testseparation distance–50mm)·(f(MHz)/150)]}mW,for100MHzto1500MHz 2){[Powerallowedatnumericthresholdfor50mminstepa)]+[(testseparation distance–50mm)·10]}mW,for>1500MHzand≤6GHz c)Forfrequenciesbelow100MHz,thefollowingmaybeconsideredforSARtestexclusion (alsoillustratedinAppendixC): 1)Fortestseparationdistances>50mmand<200mm,thepowerthresholdatthe correspondingtestseparationdistanceat100MHzinstepb)ismultipliedby[1+ TESTREPORT ReportNo.:MTi260126017-0205E2 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page5of6 log(100/f(MHz))] 2)Fortestseparationdistances≤50mm,thepowerthresholddeterminedbythe equationinc)1)for50mmand100MHzismultipliedby½ 3)SARmeasurementproceduresarenotestablishedbelow100MHz. WhenSARtestexclusioncannotbeapplied,aKDBinquiryisrequiredtodetermineSAR evaluationrequirementsforanySARtestresultsbelow100MHztobeacceptable. 2SARTestExclucsionThresholds Weuse5mmasseparationdistancetocalculated. BluetoothDSS: Transmit Frequency (GHz) Mod…

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

Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE038 Ver./Rev.：A1 Page 1 of 93 TestReport ReportNo.:MTi260126017-0205E1 Dateofissue:2026-04-07 Applicant:ShenzhenSwetzSoundTechnologyCo.,Limited Product:HarryPotterBook-StyleTWSWirelessEarphones Model(s):HP02,TS627B FCCID:2AOKX-HP02 ShenzhenMicrotestCo.,Ltd. TESTREPORT ReportNo.:MTi260126017-0205E1 Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE038 Ver./Rev.：A1 Page 2 of 93 Tableofcontents 1GeneralDescription.......................................................................................................................4 1.1DescriptionoftheEUT.........................................................................................................4 1.2Descriptionoftestmodes.....................................................................................................4 1.3EnvironmentalConditions.....................................................................................................6 1.4Descriptionofsupportunits..................................................................................................6 1.5Measurementuncertainty.....................................................................................................6 2SummaryofTestResult................................................................................................................7 3TestFacilitiesandaccreditations................................................................................................8 3.1Testlaboratory......................................................................................................................8 4Listoftestequipment....................................................................................................................9 5EvaluationResults(Evaluation).................................................................................................11 5.1Antennarequirement..........................................................................................................11 6RadioSpectrumMatterTestResults(RF)................................................................................12 6.120dBBandwidth..................................................................................................................12 6.2MaximumConductedOutputPower..................................................................................14 6.3ChannelSeparation............................................................................................................16 6.4NumberofHoppingFrequencies.......................................................................................18 6.5DwellTime..........................................................................................................................20 6.6RFconductedspuriousemissionsandbandedgemeasurement....................................22 6.7Bandedgeemissions(Radiated).......................................................................................24 6.8Radiatedemissions(below1GHz).....................................................................................29 6.9Radiatedemissions(above1GHz)....................................................................................33 Photographsofthetestsetup...........................................................................................................40 PhotographsoftheEUT.....................................................................................................................41 AppendixA:20dBEmissionBandwidth..........................................................................................43 AppendixB:Maximumconductedoutputpower...........................................................................49 AppendixC:Carrierfrequencyseparation......................................................................................55 AppendixD:Timeofoccupancy.......................................................................................................58 AppendixE:Numberofhoppingchannels.....................................................................................66 AppendixF:Bandedgemeasurements...........................................................................................69 AppendixG:ConductedSpuriousEmission..................................................................................75 TESTREPORT ReportNo.:MTi260126017-0205E1 Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE038 Ver./Rev.：A1 Page 3 of 93 TestResultCertification ApplicantShenzhenSwetzSoundTechnologyCo.,Limited ApplicantAddress No.19,JianlongStreet,BaoanCommunityYuanshan,LonggangDistrict ShenzhenChina ManufacturerShenzhenSwetzSoundTechnologyCo.,Limited Manufacturer Address No.19,JianlongStreet,BaoanCommunityYuanshan,LonggangDistrict ShenzhenChina FactoryShenzhenSwetzSoundTechnologyCo.,Limited FactoryAddress No.19,JianlongStreet,BaoanCommunityYuanshan,LonggangDistrict ShenzhenChina Productdescription ProductnameHarryPotterBook-StyleTWSWirelessEarphones Trademark ModelnameHP02 SeriesModel(s)TS627B Standards47CFRPart15.247 TestMethod KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10-2020+COR1-2023 TestingInformation Dateoftest2026-03-01to2026-03-08 TestresultPass Preparedby:ManusWang Reviewedby:DavidLee Approvedby:LewisLian TESTREPORT ReportNo.:MTi260126017-0205E1 Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:mti@5…

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

厂商地址：深圳市南山区桃源街道平山社区平山一路 2 号南山云谷创业园 2 期 7 栋 412 3.2 x 1.6 x 0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF300K) Engineering Specification 1. Product Number (1)Product Type Chip Antenna (2)Size Code 3.6x1.2x0.5mm (3)Type Code F8 (4)Packing Paper bag packaging (5)Frequency 2.45GHz 2. Features *Stable and reliable in performances *Low temperature coefficient of frequency *Low profile, compact size *RoHS compliance *SMT processes compatible 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : harry Designed by : andy Checked by : andy Approved by：oliver TITLE：3.2x1.6 x 0.5mm) WiFi/Bluetooth Ceramic Chip Antenna (YF300K) Engineering Specification DOCUMENT NO. YF3216F8R2G4502 REV. E/2604 PAGE 1 OF 10 厂商地址：深圳市南山区桃源街道平山社区平山一路 2 号南山云谷创业园 2 期 7 栋 412 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 Ying feng 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 (40 x 40 mm 2 ground plane) 5-1. Electrical Table Characteristics Specifications Unit Outline Dimensions 3.2x1.6x0.5 mm Working Frequency 2400~2500 MHz VSWR 2 Max. Impedance 50 Ω Polarization Linear Polarization Gain Peak 3.5 (typical) dBi Efficiency 73 (typical) % 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : harry Designed by : andy Checked by : andy Approved by：oliver TITLE：3.2x1.6 x 0.5mm) WiFi/Bluetooth Ceramic Chip Antenna (YF300K) Engineering Specification DOCUMENT NO. YF3216F8R2G4502 REV. E/2604 PAGE 2 OF 10 厂商地址：深圳市南山区桃源街道平山社区平山一路 2 号南山云谷创业园 2 期 7 栋 412 5-2. Return Loss & VSWR Return Loss (S 11 ) Smith Chart(S 11 ) 6 Outline Dimensions of Antenna & Evaluation Board (unit:mm) 6-1. Antenna Dimensions Configuration and Dimensions: 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : harry Designed by : andy Checked by : andy Approved by：oliver TITLE：3.2x1.6 x 0.5mm) WiFi/Bluetooth Ceramic Chip Antenna (YF300K) Engineering Specification DOCUMENT NO. YF3216F8R2G4502 REV. E/2604 PAGE 3 OF 10 厂商地址：深圳市南山区桃源街道平山社区平山一路 2 号南山云谷创业园 2 期 7 栋 412 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : harry Designed by : andy Checked by : andy Approved by：oliver TITLE：3.2x1.6 x 0.5mm) WiFi/Bluetooth Ceramic Chip Antenna (YF300K) Engineering Specification DOCUMENT NO. YF3216F8R2G4502 REV. E/2604 PAGE 4 OF 10 厂商地址：深圳市南山区桃源街道平山社区平山一路 2 号南山云谷创业园 2 期 7 栋 412 7.Radiation Pattern (40x 40 mm 2 ground plane) 7-1. 3D Gain Pattern @ 2450MHz Z X Y Y Z X 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : harry Designe…

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