2AHHETWSEBV2PRMTrue Wireless Earphones

Sample Agency Request Letter QF094234 Page 1 of 1 Revision 0 Authority to Act as Agent Date: 22 November 2019 TUV Rheinland Group 762 Park Avenue Youngsville, NC 27596 To Whom It May Concern: I appoint TUV 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 THUMBS UP(UK) LTD / Unit L, Braintree Industrial Estate, Braintree Road HA4 0EJ, Ruislip, LONDON, 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 Expiration Date: 12 months By : Summer Lai (Signature) (Print Name) Title : Assistant Telephone : +86-755-86679888 On behalf of : THUMBS UP(UK) LTD (Company Name)

Thumbs Up (UK) Ltd Confidentiality Letter Date: 13 December 2019 Subject: Confidentiality Request for FCC ID: 2AHHETWSEBV2PRM 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 External Photos Short Term Permanent Internal Photos Short Term Permanent Operation Description/Theory of Operation Short Term Permanent Part List/Tune-Up Procedure Short Term Permanent Schematics Short Term Test Setup Photos Short Term Permanent User’s Manual Thumbs Up (UK) Ltd 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: Summer Lai (Signature/Title) (Print name)

Difference Declaration We, THUMBS UP(UK) LTD would like to declare those models are identical in electrical circuit design and PCB layout.The only difference is model name : Model Name Color TWSEBWHV2PRM-FOB White TWSEBPKV2PRM-FOB Pink TWSEBBKV2PRM-FOB Black And the EUTs consist of a left earphone and a right earphone, they are totally identical and support Bluetooth 5.0 technology. Sincerely yours, Applicant : THUMBS UP(UK) LTD Address : Unit L, Braintree Industrial Estate, Braintree Road, South Ruislip, HA4 0EJ, United Kingdom Signature : Name and title : Summer Lai / Management Email : [email protected] Date : 08 January 2020

External Photos of EUT Report No.: 50315559 001 Model No. : TWSEBWHV2PRM Page: 1 of 4 External Photos of EUT Report No.: 50315559 001 Model No. : TWSEBWHV2PRM Page: 2 of 4 External Photos of EUT Report No.: 50315559 001 Model No. : TWSEBWHV2PRM Page: 3 of 4 External Photos of EUT Report No.: 50315559 001 Model No. : TWSEBWHV2PRM Page: 4 of 4 --THE END--

4pt font is not achievable on TWSEBBKV2PRM-FOB due to product dimensions. FCC ID is included in user guide.

Internal Photos of EUT Report No.: 50315559 001 Model No. : TWSEBBKV2PRM-FOB Page: 1 of 6 Right Side Internal Photos of EUT Report No.: 50315559 001 Model No. : TWSEBBKV2PRM-FOB Page: 2 of 6 Internal Photos of EUT Report No.: 50315559 001 Model No. : TWSEBBKV2PRM-FOB Page: 3 of 6 Internal Photos of EUT Report No.: 50315559 001 Model No. : TWSEBBKV2PRM-FOB Page: 4 of 6 Left Side Internal Photos of EUT Report No.: 50315559 001 Model No. : TWSEBBKV2PRM-FOB Page: 5 of 6 Internal Photos of EUT Report No.: 50315559 001 Model No. : TWSEBBKV2PRM-FOB Page: 6 of 6 --THE END--

Produkte Products Prüfbericht - Nr.: Test Report No. 50315559 001 Seite 27 von 28 Page 27 of 28 6 Safety Human Exposure 6.1 Radio Frequency Exposure Compliance 6.1.1 Electromagnetic Fields RESULT: Pass Test Specification Test standard : CFR47 FCC Part 2: Section 2.1093 FCC KDB Publication 447498 v06 Measurement Record: The minimum distance for the EUT is less than 5mm. Since maximum peak output power of the transmitter is -2.75 dBm ≈ 0.53 mW < 3*d f = 9.52 mW. Hence the EUT is excluded from SAR evaluation according to FCC KDB Publication 447498 D01 General RF Exposure Guidance v06.

Produkte Products Prüfbericht-Nr.: Test report No.: 50315559 001 Auftrags-Nr.: Order No.: 168137657 Seite 1 von 26 Page 1 of 26 Kunden-Referenz-Nr.: Client reference No.: N/A Auftragsdatum: Order date.: 30.10.2019 Auftraggeber: Client: THUMBS UP(UK) LTD Unit L, Braintree Industrial Estate, Braintree Road, HA4 0EJ, Ruislip, London, United Kindom Prüfgegenstand: Test item: True Wireless Earphones Bezeichnung / Typ-Nr.: Identification / Type No.: TWSEBBKV2PRM-FOB, TWSEBWHV2PRM-FOB, TWSEBPKV2PRM-FOB (Trademark: Primark) Auftrags-Inhalt: Order content: FCC approval Prüfgrundlage: Test specification: CFR47 FCC Part 15: Subpart C Section 15.247 CFR47 FCC Part 15: Subpart C Section 15.207 CFR47 FCC Part 15: Subpart C Section 15.209 CFR47 FCC Part 15: Subpart B Section 15.107 CFR47 FCC Part 15: Subpart B Section 15.109 CFR47 FCC Part 2: Section 2.1093 Wareneingangsdatum: Date of receipt: 31.10.2019 Please refer to photo documents Prüfmuster-Nr.: Test sample No.: A001012715-002 A001012715-001 Prüfzeitraum: Testing period: 31.10.2019 - 14.11.2019 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: kontrolliert von / reviewed by: 06.01.2020 Ryan Yang / Assistant Project Manager 06.01.2020 Winnie Hou / Technical Certif ier Datum Date Name/Stellung Name/Position Unterschrift Signature Datum Date Name/Stellung Name/Position Unterschrift Signature Sonstiges / Other: FCC ID: 2AHHETWSEBV2PRM Zustand des Prüfgegenstandes bei Anlieferung: Condition of the test item at delivery: Prüfmuster vollständig und unbeschädigt Test item complete and undamaged: * Legende: 1 = sehr gut 2 = gut 3 = bef riedigend 4 = ausreichend 5 = mangelhalt P(ass) = entspricht o.g. Prüfgrundlage(n) F(ail) = entspricht nicht o.g. Prüfgrundlage(n) N/A = nicht anwendbar N/T = nicht getestet Legend: 1 = v ery good 2 = good 3 = satisfactory 4 = suf ficient 5 = poor P(ass) = passed a.m. test specifications(s) F(ail) = f ailed a.m. test specifications(s) N/A = not applicable N/T = not tested Dieser Prüfbericht bezieht sich nur auf das o.g. Prüfm uster und darf ohne Genehm igung der Prüfstelle nicht auszugsw eise vervielfältigt w erden. Dieser Bericht berechtigt nicht zur Verwendung eines Prüfzeichens. This test report only relates to the a. m. test sample. Without permission of the test center this test report is not permitted to be V04 duplicated in extracts. This test report does not entitle to carry any test mark. T ÜV Rheinland (Shenzhen) Co., Ltd., 1F East & 2-4F, Cybio T echnology Building No.1, No.16 Langshan 2nd Road, High-Tech Industrial Park North Nanshan District, 518057, Shenzhen, China http://www.tuv.com Produkte Products Prüfbericht - Nr.: Test Report No. 50315559 001 Seite 2 von 26 Page 2 of 26 Test Summary 5.1.1 ANTENNA REQUIREMENT RESULT: Pass 5.1.2 MAXIMUM PEAK CONDUCTED OUTPUT POWER RESULT: Pass 5.1.3 99% BANDWIDTH RESULT: Pass 5.1.4 20DB BANDWIDTH RESULT: Pass 5.1.5 CARRIER FREQUENCY SEPARATION RESULT: Pass 5.1.6 NUMBER OF HOPPING FREQUENCY RESULT: Pass 5.1.7 TIME OF OCCUPANCY RESULT: Pass 5.1.8 CONDUCTED SPURIOUS EMISSIONS MEASURED IN 100 KHZ BANDWIDTH RESULT: Pass 5.1.9 RADIATED SPURIOUS EMISSION RESULT: Pass 5.1.10 CONDUCTED EMISSION ON AC MAINS RESULT: Pass 5.1.11 RADIATED EMISSION RESULT: Pass Produkte Products Prüfbericht - Nr.: Test Report No. 50315559 001 Seite 3 von 26 Page 3 of 26 Contents 1 GENERAL REMARKS .......................................................................................................... 4 1.1 COMPLEMENTARY MATERIALS ............................................................................................. 4 2 TEST SITES ..................................................................................................................... 5 2.1 TEST FACILITIES ............................................................................................................... 5 2.2 LIST OF TEST AND MEASUREMENT INSTRUMENTS ..................................................................... 5 2.3 TRACEABILITY.................................................................................................................. 7 2.4 CALIBRATION................................................................................................................... 7 2.5 MEASUREMENT UNCERTAINTY ............................................................................................. 7 2.6 LOCATION OF ORIGINAL DATA ............................................................................................. 7 2.7 STATUS OF FACILITY USED FOR TESTING ............................................................................... 7 3 GENERAL PRODUCT INFORMATION........................................................................................ 8 3.1 PRODUCT FUNCTION AND INTENDED USE................................................................................ 8 3.2 RATINGS AND SYSTEM DETAILS ........................................................................................... 8 3.3 INDEPENDENT OPERATION MODES ...................................................................................... 10 3.4 NOISE GENERATING AND NOISE SUPPRESSING PARTS............................................................. 10 3.5 SUBMITTED DOCUMENTS .................................................................................................. 10 4 TEST SET-UP AND OPERATION MODES................................................................................. 11 4.1 PRINCIPLE OF CONFIGURATION SELECTION ........................................................................... 11 4.2 TEST OPERATION AND TEST SOFTWARE............................................................................... 11 4.3 SPECIAL ACCESSORIES AND AUXILIARY EQUIPMENT ............................................................... 12 4.4 COUNTERMEASURES TO ACHIEVE EMC COMPLIANCE .......…

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Produkte Products Appendix A 50315559 001 Page 1 of 4 Appendix A: Photographs of the Test Set-Up APPENDIX A: PHOTOGRAPHS OF THE TEST SET-UP ....................................................................................................... 1 PHOTOGRAPH 1: SET-UP FOR RADIATED SPURIOUS EMISSION, 30MHZ ~ 1GHZ ............................................................................... 2 PHOTOGRAPH 2: SET-UP FOR RADIATED SPURIOUS EMISSION, 1GHZ ~ 18GHZ ................................................................................ 2 PHOTOGRAPH 3: SET-UP FOR CONDUCTED EMISSION ON AC MAINS ............................................................................................... 3 PHOTOGRAPH 4: SET-UP FOR RADIATED EMISSION, BELOW 1GHZ ................................................................................................. 3 PHOTOGRAPH 5: SET-UP FOR RADIATED EMISSION, ABOVE 1GHZ .................................................................................................. 4 Produkte Products Appendix A 50315559 001 Page 2 of 4 Photograph 1: Set-up for Radiated Spurious Emission, 30MHz ~ 1GHz Photograph 2: Set-up for Radiated Spurious Emission, Above 1GHz Produkte Products Appendix A 50315559 001 Page 3 of 4 Photograph 3: Set-up for Conducted Emission on AC Mains Photograph 4: Set-up for Radiated Emission, Below 1GHz Produkte Products Appendix A 50315559 001 Page 4 of 4 Photograph 5: Set-up for Radiated Emission, Above 1GHz