2BFLT-87564wireless headphone

Skinnydip Limited Attestation Statements Not Covered Entity Applicant To: Federal Communications Commission Date: 2024-05-15 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(ii) filing FCC ID: 2BFLT-87564 Skinnydip Limited (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, ______________________ Signature Printed name: Wah C Chong Title: Senior Production Coordinator

Skinnydip Limited Attestation Statements Not Covered Equipment To: Federal Communications Commission Date: 2024-05-15 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i) filing FCC ID: 2BFLT-87564 Skinnydip 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. Sincerely, ______________________ Signature Printed name: Wah C Chong Title: Senior Production Coordinator

TCB Authority to Act as Agent Number: MS-0045317 Revision: 0 Effective date: Oct 8, 2021 Page 1 of 1 Skinnydip Limited Authority to Act as Agent Date: 2024-05-15 TUV Rheinland of North America, Inc. 1279 Quarry Lane., Suite. A Pleasanton, CA 94566 To Whom It May Concern: I appoint TÜV Rheinland (Shenzhen) Co., Ltd. to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the FCC or Industry Canada’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by TUV Rheinland Group, still resides with Skinnydip Limited, Unit 2, 2 Centric Close, Oval Road, London, NW1 7EP, United Kingdom. For TCB applications, We certify that we are not subject to denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. Thank you, Agency Agreement Date: 2024-05-15 Agreement is valid for 12 months from the above date. By: __________________________ Wah C Chong (Signature) (Print name) Senior Production Coordinator +442072843300 (Title) (Telephone) On behalf of: Skinnydip Limited

Request for Confidentiality Letter MS-0044715 Page 1 of 1 Revision 0 Skinnydip Limited Date: 2024-05-15 Subject: Confidentiality Request for FCC ID: 2BFLT-87564 Pursuant to FCC 47 CRF 0.457(d) and 0.459 and IC RSP-100, Section 10, the applicant requests that a part of the subject FCC/IC application be held confidential. Type of Confidentiality Requested Exhibit Short Term Permanent Block Diagrams Short Term Permanent Internal Photos Short Term Permanent Operation Description/Theory of Operation Short Term Permanent Tune-Up Procedure Short Term Permanent Schematics Short Term Permanent User’s Manual Short Term n/a Test Setup Short Term n/a External Photos Short Term Permanent Part List/ Antenna Construction Skinnydip Limited has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality: The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of 180 days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify TUV Rheinland in the event information regarding the product or the product is made available to the public. TUV Rheinland will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. Sincerely, By: _________________________________ Wah C Chong / Senior Production Coordinator (Signature) (Print name/Title)

Safety Human Exposure 1.1 Radio Frequency Exposure Compliance 1.1.1 Electromagnetic Fields RESULT: Pass Report No. : CN24MLEE 003 Test Specification Test item : wireless headphone Identification / Type No. : 055983-991108035-0804 FCC ID : 2BFLT-87564 Test standard : CFR47 FCC Part 2: Section 2.1093 FCC KDB Publication 447498 D01 Measurement Record: The minimum distance for the EUT is less than 5mm. Since maximum peak output power of the transmitter is -3.80 dBm ≈ 0.42 mW < 3*d f = 9.52 mW. Note: The maximum peak output power test data refer to test report CN24MLEE 002. Hence the EUT is excluded from SAR evaluation according to FCC KDB Publication 447498 D01 General RF Exposure Guidance v06.

AntennaDescribe 1：AntennaDescribe AntennaPCB AntennaGain0dBi FrequencyRange2.4Ghz-2.483Ghz ConnectorTypeDirect Locationofmearement(company name) SHENZHENSHIXINZHONGXN TECHNOLOGY.CO.,LTD 2：ExternalViewDrawing Client:Skinnydip Limited Unit 2, 2 Centric Close, Oval Road, London, NW1 7EP, United Kingdom Refer to Internal Photos of Product. 3：MeasurementResult 3.1ReturnLoss(S11) 3.2SmithChart 3.3Gain

Prüfbericht - Produkte Test Report - Products Prüfbericht-Nr.: Test report no.: CN24MLEE 002 Auftrags-Nr.: Order no.: 168475435 Seite 1 von 24 Page 1 of 24 Kunden-Referenz-Nr.: Client reference no.: N/A Auftragsdatum: Order date: 2024-03-22 Auftraggeber: Client: Skinnydip Limited Unit 2, 2 Centric Close, Oval Road, London, NW1 7EP, United Kingdom Prüfgegenstand: Test item: wireless headphone Bezeichnung / Typ-Nr.: Identification / Type no.: 055983-991108035-0804 Auftrags-Inhalt: Order content: Test Report Prüfgrundlage: Test specification: CFR47 FCC Part 15: Subpart C Section 15.247 CFR47 FCC Part 15: Subpart C Section 15.207 Wareneingangsdatum: Date of sample receipt: 2024-03-29 Please refer to Photo Document Prüfmuster-Nr.: Test sample no: A003692375-001 A003680424-003~005 Prüfzeitraum: Testing period: 2024-04-08 - 2024-04-12 Ort der Prüfung: Place of testing: TÜV Rheinland (Shenzhen) Co., Ltd. Prüflaboratorium: Testing laboratory: TÜV Rheinland (Shenzhen) Co., Ltd. Prüfergebnis*: Test result*: Pass geprüft von: tested by: genehmigt von: authorized by: Datum: Date: 2024-04-18 Ausstellungsdatum: Issue date: 2024-04-18 Stellung / Position: Sachverständige(r)/Expert Stellung / Position: Sachverständige(r)/Expert Sonstiges / Other: FCC ID: 2BFLT-87564 Zustand des Prüfgegenstandes bei Anlieferung: Condition of the test item at delivery: Prüfmuster vollständig und unbeschädigt Test item complete and undamaged * Legende: P(ass) = entspricht o.g. Prüfgrundlage(n) F(ail) = entspricht nicht o.g. Prüfgrundlage(n) N/A = nicht anwendbar N/T = nicht getestet * Legend: P(ass) = passed a.m. test specification(s) F(ail) = failed a.m. test specification(s) N/A = not applicable N/T = not tested Dieser Prüfbericht bezieht sich nur auf das o.g. Prüfmuster und darf ohne Genehmigung der Prüfstelle nicht auszugsweise vervielfältigt werden. Dieser Bericht berechtigt nicht zur Verwendung eines Prüfzeichens. This test report only relates to the above mentioned test sample. Without permission of the test center this test report is not permitted to be duplicated in extracts. This test report does not entitle to carry any test mark. TUV Rheinland (Shenzhen) Co., Ltd., 1601-1604, 17-18F, Tower A Building 2, Shenzhen International Innovation Valley, Dashi 1st Road, Xili Street, Xili Community, Nanshan District, Shenzhen 518052, P. R. China Mail: [email protected] · Web: www.tuv.com Lin Lin Hardy Suo Prüfbericht - Produkte Test Report - Products Prüfbericht-Nr.: CN24MLEE 002 Test report no.: Seite 2 von 24 Page 2 of 24 Anmerkungen Remarks 1 Alle eingesetzten Prüfmittel waren zum angegebenen Prüfzeitraum gemäß eines festgelegten Kalibrierungsprogramms unseres Prüfhauses kalibriert. Sie entsprechen den in den Prüfprogrammen hinterlegten Anforderungen. Die Rückverfolgbarkeit der eingesetzten Prüfmittel ist durch die Einhaltung der Regelungen unseres Managementsystems gegeben. Detaillierte Informationen bezüglich Prüfkonditionen, Prüfequipment und Messunsicherheiten sind im Prüflabor vorhanden und können auf Wunsch bereitgestellt werden. The equipment used during the specified testing period was calibrated according to our test laboratory calibration program. The equipment fulfils the requirements included in the relevant standards. The traceability of the test equipment used is ensured by compliance with the regulations of our management system. Detailed information regarding test conditions, equipment and measurement uncertainty is available in the test laboratory and could be provided on request. 2 Wie vertraglich vereinbart, wurde dieses Dokument nur digital unterzeichnet. Der TÜV Rheinland hat nicht überprüft, welche rechtlichen oder sonstigen diesbezüglichen Anforderungen für dieses Dokument gelten. Diese Überprüfung liegt in der Verantwortung des Benutzers dieses Dokuments. Auf Verlangen des Kunden kann der TÜV Rheinland die Gültigkeit der digitalen Signatur durch ein gesondertes Dokument bestätigen. Diese Anfrage ist an unseren Vertrieb zu richten. Eine Umweltgebühr für einen solchen zusätzlichen Service wird erhoben. As contractually agreed, this document has been signed digitally only. TUV Rheinland has not verified and unable to verify which legal or other pertaining requirements are applicable for this document. Such verification is within the responsibility of the user of this document. Upon request by its client, TUV Rheinland can confirm the validity of the digital signature by a separate document. Such request shall be addressed to our Sales department. An environmental fee for such additional service will be charged. 3 Prüfklausel mit der Note * wurden an qualifizierte Unterauftragnehmer vergeben und sind unter der jeweiligen Prüfklausel des Berichts beschrieben. Abweichungen von Prüfspezifikation(en) oder Kundenanforderungen sind in der jeweiligen Prüfklausel im Bericht aufgeführt. Test clauses with remark of * are subcontracted to qualified subcontractors and descripted under the respective test clause in the report. Deviations of testing specification(s) or customer requirements are listed in specific test clause in the report. 4 Die Entscheidungsregel für Konformitätserklärungen basierend auf numerischen Messergebnisen in diesem Prüfbericht basiert auf der "Null-Grenzwert-Regel" und der "Einfachen Akzeptanz" gemäß ILAC G8:2019 und IEC Guide 115:2021, es sei denn, in der auf Seite 1 dieses Berichts genannten angewandten Norm ist etwas anderes festgelegt oder vom Kunden gewünscht. Dies bedeutet, dass die Messunsicherheit nicht berücksichtigt wird und daher auch nicht im Prüfbericht angegeben wird. Zu weiteren Informationen bezueglich des Risikos durch diese Entscheidungsregel siehe ILAC G8:2019. The decision rule for statements of conformity, based on numerical measurement results, in this test report is based on the “Zero Guard Band Rule” and “Simple Acceptance” in accordance with ILAC G8:2019 and IEC Guide 115:2021, unless otherwise specified in the applied standard mentioned on Page 1 of this report…

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Prüfbericht - Produkte Test Report - Products Appendix A CN24MLEE 002 Page 1 of 56 Appendix A: Test Results of Bluetooth BR & EDR APPENDIX A: TEST RESULTS OF BLUETOOTH BR & EDR ................................................................................................. 1 APPENDIX A.1: TEST RESULTS OF 99% BANDWIDTH ................................................................................................................... 2 BR mode (DH5) ............................................................................................................................................................. 2 EDR mode (3-DH5) ....................................................................................................................................................... 5 APPENDIX A.2: TEST RESULTS OF 20DB BANDWIDTH ................................................................................................................. 8 BR mode (DH5) ............................................................................................................................................................. 8 EDR mode (3-DH5) ..................................................................................................................................................... 11 APPENDIX A.3: TEST RESULTS OF CARRIER FREQUENCY SEPARATION ........................................................................................... 14 BR mode (DH5) ........................................................................................................................................................... 14 EDR mode (3-DH5) ..................................................................................................................................................... 15 APPENDIX A.4: TEST RESULTS OF NUMBER OF HOPPING FREQUENCY .......................................................................................... 17 BR mode (DH5) ........................................................................................................................................................... 17 EDR mode (3-DH5) ..................................................................................................................................................... 18 APPENDIX A.5: TEST RESULTS OF TIME OF OCCUPANCY............................................................................................................. 19 BR mode (DH5) ........................................................................................................................................................... 19 EDR mode (3-DH5) ..................................................................................................................................................... 22 APPENDIX A.6: TEST RESULTS OF CONDUCTED SPURIOUS EMISSIONS MEASURED IN 100 KHZ BANDWIDTH ...................................... 25 BR mode (DH5) ........................................................................................................................................................... 25 Fixed mode, Band Edge ............................................................................................................................................... 25 Fixed mode, Conducted Spurious Emission ................................................................................................................. 26 Hopping Mode, Band Edge ......................................................................................................................................... 29 Hopping Mode, Conducted Spurious Emission ........................................................................................................... 30 EDR mode (3-DH5) ..................................................................................................................................................... 31 Fixed mode, Band Edge ............................................................................................................................................... 31 Fixed mode, Conducted Spurious Emission ................................................................................................................. 32 Hopping Mode, Band Edge ......................................................................................................................................... 35 Hopping Mode, Conducted Spurious Emission ........................................................................................................... 36 APPENDIX A.7: TEST RESULTS OF RADIATED SPURIOUS EMISSIONS ............................................................................................. 37 30MHz - 1GHz ............................................................................................................................................................. 37 1GHz - 18GHz .............................................................................................................................................................. 39 APPENDIX A.8: TEST RESULTS OF RADIATED EMISSIONS IN RESTRICTED BANDS ............................................................................. 51 APPENDIX A.9: TEST RESULTS OF CONDUCTED EMISSION ON AC MAINS...................................................................................... 55 Prüfbericht - Produkte Test Report - Products Appendix A CN24MLEE 002 Page 2 of 56 Appendix A.1: Test Results of 99% Bandwidth BR mode (DH5) Occupied Channel Bandwidth 99% (2402 MHz; 10.000 dBm; 1 MHz; Test Mode) Test according to FCC title 47 part 15 §15.247(a), KDB 558074 D01 DTS Meas Guidance v04 and ANSI C63.10- 2013 99 % Bandwidth DUT Frequency (MHz) Bandwidth (MHz) Limit Min (MHz) Limit Max (MHz) Band Edge Left (MHz) Band Edge Right (MHz) 2402.000000 0.850000 --- --- 2401.592500 2402.442500 (continuation of the "99 % Bandwidth" table from column 6 ...) DUT Frequency (MHz) Result 2402.000000 PASS Measurement Setting Instrument Value Targ…

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