2BBPLPYMRTSPKMARTINI SPEAKER

Stainless Steel Water Bottle Speaker Product Overview Thank you for choosing the Stainless Steel Water Bottle Speaker. This product combines a stainless steel water bottle with a built-in speaker base, allowing you to enjoy music while staying hydrated. The speaker is located at the bottom of the bottle and is controlled by three buttons, providing easy control of power, music playback, track selection, and volume. Product Specifications • • • • • • • Product Type: Stainless steel water bottle speaker Bottle Material: Stainless steel Bottle Capacity: 370 ml Bottle Size (without speaker): 17.4 × 13.3 cm Battery Capacity: 500 mAh Speaker Power: 3W Control Buttons: 3-button control system Button Functions • Main Power Button Press and hold: Power ON / Power OFF Short press: Play / Pause music • Previous Track Button Press and hold: Previous track Short press: Volume down • Next Track Button Press and hold: Next track Short press: Volume up How to Use Power On / Power Off Press and hold the main power button to turn the speaker ON. Press and hold the same button again to turn the speaker OFF. Bluetooth Pairing 1 Press and hold the main power button to turn on the speaker. 2 The speaker will enter Bluetooth pairing mode automatically. 3 Enable Bluetooth on your mobile phone or Bluetooth-enabled device. 4 Search for available devices and select the speaker. 5 Once connected, you can play music through the speaker base. Voice & Sound Prompts • Power On: A prompt sound will be heard when the speaker is turned on. • Power Off: A prompt sound will be heard when the speaker is turned off. • Bluetooth Connected: A prompt sound will be heard once Bluetooth connection is successful. Charging Instructions Connect the charging cable to the charging port on the speaker base and connect the other end to a power source. The built-in 400 mAh battery will begin charging. Charging Indicator Light • Red Light: Charging in progress • Light Off: Fully charged Safety & Usage Notes • Do not immerse the speaker base in water. • Ensure the speaker base remains dry during use. • Do not expose the product to extreme heat or fire. • Do not disassemble the speaker base.

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 2BBPLPYMRTSPK MRTSPK, PY-MRTSPK WHT, PY-MRTSPK PNK We, Applicant Company Name: TRUSTSTONE GROUP, LLC Address: 1359 Broadway 3rd floor, New York 10018, United States Phone: +1-917-533-5333 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, 2026-05-21 Signature Date Name / Title: Marc Faham / CEO Company: TRUSTSTONE GROUP, LLC Address: 1359 Broadway 3rd floor, New York 10018, United States Phone: +1-917-533-5333 Fax: +1-917-533-5333 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 2BBPLPYMRTSPK MRTSPK, PY-MRTSPK WHT, PY-MRTSPK PNK 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 LCS Compliance Testing Laboratory Ltd. Contact Name: Martion Lee Address: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Phone: +86-755-82591330 Email: [email protected] Signature: Date: 2026-04-22

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 2BBPLPYMRTSPK MRTSPK, PY-MRTSPK WHT, PY-MRTSPK PNK 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, 2026-05-21 Signature Date Name / Title: Marc Faham / CEO Company: TRUSTSTONE GROUP, LLC Address: 1359 Broadway 3rd floor, New York 10018, United States Phone: +1-917-533-5333 Fax: +1-917-533-5333 E-Mail: [email protected]

TRUSTSTONE GROUP, LLC 1359 Broadway 3rd floor, New York 10018, United States Date: May 21, 2026 FCC ID: 2BBPLPYMRTSPK Model Number: MRTSPK, PY-MRTSPK WHT, PY-MRTSPK PNK To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We, TRUSTSTONE GROUP, LLC hereby declare that our product (MARTINI SPEAKER) Model Number: MRTSPK, PY-MRTSPK WHT, PY-MRTSPK PNK board, Schematic, Hardware version, Software version, structure and internal photos are same, named differently due to marketing purposes. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, (Signed) Name / Title: Marc Faham / CEO Company: TRUSTSTONE GROUP, LLC Address: 1359 Broadway 3rd floor, New York 10018, United States Phone: +1-917-533-5333 Fax: +1-917-533-5333 E-Mail: [email protected]

Page1of5FCCID:2BBPLPYMRTSPK GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com ExternalPhotosoftheEUT Fig.1 Fig.2 Page2of5FCCID:2BBPLPYMRTSPK GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.3 Fig.4 Page3of5FCCID:2BBPLPYMRTSPK GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.5 Fig.6 Page4of5FCCID:2BBPLPYMRTSPK GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.7 Fig.8 Page5of5FCCID:2BBPLPYMRTSPK GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.9 Fig.10

Page1of1FCCID:2BBPLPYMRTSPK GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com LABELANDLOCATION (Size:L4.0cmxW2.0cm) LabelLocation MARTINISPEAKER Model:MRTSPK FCCID:2BBPLPYMRTSPK

Page1of5FCCID:2BBPL-MRTSPK GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com InternalPhotosoftheEUT Fig.1 Fig.2 Page2of5FCCID:2BBPL-MRTSPK GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.3 Fig.4 Page3of5FCCID:2BBPL-MRTSPK GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.5 Fig.6 Antenna Page4of5FCCID:2BBPL-MRTSPK GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.7 Fig.8 Page5of5FCCID:2BBPL-MRTSPK GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.9

Page 1 of 9 FCCID:2BBPLPYMRTSPKReportNo.:LCSC03246010EB GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com RFExposureEvaluation FOR TRUSTSTONEGROUP,LLC MARTINISPEAKER TestModel:MRTSPK AdditionalModelNo.:PleaseRefertoPage6 Preparedfor:TRUSTSTONEGROUP,LLC Address:1359Broadway,3rdFloor|NewYorkNY10018 Preparedby:GuangzhouLCSComplianceTestingLaboratoryLtd. Address: No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou, Guangdong,China Tel:(+86)020-39166689 Fax:(+86)020-39166619 Web:www.LCS-cert.com Mail:[email protected] Dateofreceiptoftestsample:April13,2026 Numberoftestedsamples:2 SampleNo.:C260413012-1,C260413012-2 Serialnumber:Prototype DateofTest:April13,2026~April23,2026 DateofReport:April24,2026 Page 2 of 9 FCCID:2BBPLPYMRTSPKReportNo.:LCSC03246010EB GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com RFExposureEvaluation ReportReferenceNo......................:LCSC03246010EB DateofIssue.......................................:April24,2026 TestingLaboratoryName..............:GuangzhouLCSComplianceTestingLaboratoryLtd. Address................................................: No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou, Guangdong,China TestingLocation/Procedure.............:FullapplicationofHarmonisedstandards■ PartialapplicationofHarmonisedstandards□ Otherstandardtestingmethod□ Applicant’sName.............................:TRUSTSTONEGROUP,LLC Address................................................:1359Broadway,3rdFloor|NewYorkNY10018 TestSpecification Standard..............................................:FCCKDBpublication447498D01GeneralRFExposureGuidance v06 FCCCFR47part11.1310 FCCCFR47part22.1093 TestReportFormNo.........................:TRF-4-E-215A/0 TRFOriginator....................................:GuangzhouLCSComplianceTestingLaboratoryLtd. MasterTRF.........................................:Dated2011-03 GuangzhouLCSComplianceTestingLaboratoryLtd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe GuangzhouLCSComplianceTestingLaboratoryLtd.isacknowledgedascopyrightownerandsourceof thematerial.GuangzhouLCSComplianceTestingLaboratoryLtd.takesnoresponsibilityforandwillnot assumeliabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. TestItemDescription......................:MARTINISPEAKER TradeMark..........................................:N/A TestModel...........................................:MRTSPK Ratings.................................................:PleaseRefertoPage6 Result..................................................:PASS Compiledby:Reviewedby:Approvedby: LifengLe/FileadministratorsJustinZhu/TechniqueDirectorGavinLiang/Manager Page 3 of 9 FCCID:2BBPLPYMRTSPKReportNo.:LCSC03246010EB GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com RFExposureEvaluation TestResultPASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetestlaboratory. TestReportNo.:LCSC03246010EB April24,2026 Dateofissue TestModel..............................:MRTSPK EUT.........................................:MARTINISPEAKER Applicant...............................:TRUSTSTONEGROUP,LLC Address...................................:1359Broadway,3rdFloor|NewYorkNY10018 Telephone...............................:/ Fax..........................................:/ Manufacturer.........................:TRUSTSTONEGROUP,LLC Address...................................:1359Broadway,3rdFloor|NewYorkNY10018 Telephone...............................:/ Fax..........................................:/ Factory...................................:TRUSTSTONEGROUP,LLC Address...................................:1359Broadway,3rdFloor|NewYorkNY10018 Telephone...............................:/ Fax..........................................:/ Page 4 of 9 FCCID:2BBPLPYMRTSPKReportNo.:LCSC03246010EB GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com RevisionHistory ReportVersionIssueDateRevisionContentRevisedBy 000April24,2026InitialIssue--- Page 5 of 9 FCCID:2BBPLPYMRTSPKReportNo.:LCSC03246010EB GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com TABLEOFCONTENTS DescriptionPage 1.PRODUCTINFORMATION....................................................................................................................................6 2.EVALUATIONMETHODANDLIMIT....................................................................................................................7 3.REFEREVALUATIONMETHOD..........................................................................................................................7 4.CONDUCTEDPOWERRESULTS........................................................................................................................8 5.MANUFACTURINGTOLERANCE........................................................................................................................8 6.EVALUATIONRESULTS........................................................................................................................................8 7.CONCLUSION...........................................................................................................................................................9 8.DESCRIPTIONOFTESTFACILITY........…

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2.4G-2.48G PIFA Antenna specifications SPECIFICATIONS Frequency（MHz）2400-2480 PeakGain（dBi）2.92 AverageGain（dBi）＞-3 VSWR＜1.6 Impedance（Ω）50Ω AntennaTypePlannarInvertedFonboard Antenna Model2.4GHz PCB ANT Antenna Dimensions Z X Y Antenna Passive S-parameters VSW R, R e t u rnL os s , Smith Chart Antenna Efficiency and Gain Frequency（MHz）Gain（dBi）Effciency（%）AverageGain（dBi）Efficiency（dB） 24002.9272.20%-1.14-1.41 24101.9561.36%-2.05-2.12 24202.0061.00%-1.98-2.15 24300.8047.29%-3.09-3.25 24400.1240.82%-3.87-3.89 24500.9748.41%-3.08-3.15 24601.2853.80%-2.81-2.69 24701.2951.75%-2.98-2.86 24801.7958.79%-2.45-2.31 Average1.4655.05%-2.61-2.65 Peak2.9272.20%-1.14-1.41 2400MHz2D-ThetaPattern 2440MHz2D-ThetaPattern 2480MHz2D-ThetaPattern 2400MHz2D-PhiPattern 2440MHz2D-PhiPattern 480MHz2D-PhiPattern 2400MHz3D-TotalPattern 2440MHz3D-TotalPattern 2480MHz3D-TotalPattern

Page 1 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Appendix A RF Test Data for BT (Conducted Measurement) Product Name: MARTINI SPEAKER Test Model: MRTSPK Environmental Conditions Temperature: 24.1C Relative Humidity: 53.3% ATM Pressure: 100.0 kPa Test Engineer: Zhang hai Supervised by: Fengliu Tang Page 2 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com A.1 20dB Emission Bandwidth Test Result TestMode Antenna Freq (MHz) 20dB EBW[MHz] FL[MHz] FH[MHz] Limit [MHz] Verdict DH5 Ant1 2402 0.954 2401.535 2402.489 --- --- 2441 0.960 2440.535 2441.495 --- --- 2480 0.954 2479.532 2480.486 --- --- 2DH5 Ant1 2402 1.287 2401.361 2402.648 --- --- 2441 1.296 2440.355 2441.651 --- --- 2480 1.287 2479.361 2480.648 --- --- 3DH5 Ant1 2402 1.299 2401.346 2402.645 --- --- 2441 1.302 2440.343 2441.645 --- --- 2480 1.305 2479.343 2480.648 --- --- Page 3 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page 4 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 2DH5_Ant1_2402 2DH5_Ant1_2441 Page 5 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 Page 6 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 3DH5_Ant1_2480 Page 7 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com A.2 Maximum Peak conducted output power Test Result Peak Test Mode Antenna Freq (MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict DH5 Ant1 2402 1.32 ≤30 PASS 2441 2.19 ≤30 PASS 2480 1.38 ≤30 PASS 2DH5 Ant1 2402 2.80 ≤30 PASS 2441 3.41 ≤30 PASS 2480 2.38 ≤30 PASS 3DH5 Ant1 2402 3.11 ≤30 PASS 2441 3.67 ≤30 PASS 2480 2.47 ≤30 PASS Page 8 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page 9 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 2DH5_Ant1_2402 2DH5_Ant1_2441 Page 10 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 Page 11 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 3DH5_Ant1_2480 Page 12 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com A.3 Carrier frequency separation Test Result TestMode Antenna Freq (MHz) Result [MHz] Limit [MHz] Verdict DH5 Ant1 Hop 1.004 ≥0.960 PASS 2DH5 Ant1 Hop 0.974 ≥0.864 PASS 3DH5 Ant1 Hop 1.308 ≥1.305 PASS Page 13 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Test Graphs DH5_Ant1_Hop 2DH5_Ant1_Hop 3DH5_Ant1_Hop Page 14 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Page 15 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com A.4 Time of occupancy Test Result TestMode Antenna Freq (MHz) BurstWidth [ms] TotalHops [Num] Result[s] Limit[s] Verdict DH5 Ant1 Hop 2.908 110 0.32 ≤0.4 PASS 2DH5 Ant1 Hop 2.896 90 0.261 ≤0.4 PASS 3DH5 Ant1 H…

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Page 31 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com DH5_Ant1_2441_1000~26500 DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000 Page 32 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference Page 33 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 2DH5_Ant1_2441_0~Reference Page 34 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 2DH5_Ant1_2441_30~1000 2DH5_Ant1_2441_1000~26500 Page 35 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 2DH5_Ant1_2480_0~Reference 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 Page 36 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 3DH5_Ant1_2402_0~Reference 3DH5_Ant1_2402_30~1000 Page 37 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 3DH5_Ant1_2402_1000~26500 3DH5_Ant1_2441_0~Reference 3DH5_Ant1_2441_30~1000 Page 38 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 3DH5_Ant1_2441_1000~26500 3DH5_Ant1_2480_0~Reference Page 39 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 3DH5_Ant1_2480_30~1000 3DH5_Ant1_2480_1000~26500 Page 40 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com A.8 Duty Cycle Test Result TestMode Antenna Freq (MHz) ON Time [ms] Period [ms] DC [%] xFactor Limit Verdict DH5 Ant1 2402 2.92 3.76 77.66 1.10 --- --- 2441 2.91 3.75 77.60 1.10 --- --- 2480 2.91 3.75 77.60 1.10 --- --- 2DH5 Ant1 2402 2.89 3.74 77.27 1.12 --- --- 2441 2.90 3.75 77.33 1.12 --- --- 2480 2.89 3.74 77.27 1.12 --- --- 3DH5 Ant1 2402 2.90 3.75 77.33 1.12 --- --- 2441 2.89 3.75 77.07 1.13 --- --- 2480 2.89 3.75 77.07 1.13 --- --- Page 41 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page 42 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 2DH5_Ant1_2402 2DH5_Ant1_2441 Page 43 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 Page 44 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 3DH5_Ant1_2480 Page 45 of 54 FCC ID: 2BBPLPYMRTSPK Report No.: LCSC03246010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com A.9 Emissions in Restricted Bands Test Result TestMode Antenna ChName Freq (MHz) Detector Freq [MHz] Result [dBm] Limit [dBm] Gain [dBi] DC Factor [dB] Result [dBuV/m] Limit [dBuV/m] Verdict DH5 Ant1 Low 2402 AV 2310.000 -60.81 ≤-44.30 2.92 1.10 38.41 ≤54 PASS AV 2356.280 -59.86 ≤-44.30 2.92 1.10 39.36 ≤54 PASS AV 2390.000 -60.48 ≤-44.30 2.92 1.10 38.74 ≤54 PASS Peak 2310.000 -53.76 ≤-23.20 2.92 0.00 44.36 ≤74 PASS Peak 2355.755 -50.13 ≤-23.20 2.92 0.00 47.99 ≤74 PASS Peak 2390.000 -52.83 ≤-23.20 2.92 0.00 45.29 ≤74 PASS High 2480 AV 2483.500 -59.04 ≤-44.30 2.92 1.10 40.18 ≤54 PASS AV 2483.520 -59.04 ≤-44.30 2.92 1.10 40.18 ≤54 PASS AV 2500.000 -60.16 ≤-44.30 2.92 …

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Page 1 of 37 FCCID:2BBPLPYMRTSPKReportNo.:LCSC03246010EA GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com FCCTESTREPORT FOR TRUSTSTONEGROUP,LLC MARTINISPEAKER TestModel:MRTSPK AdditionalModelNo.:PleaseRefertoPage6 Preparedfor:TRUSTSTONEGROUP,LLC Address:1359Broadway,3rdFloor|NewYorkNY10018 Preparedby:GuangzhouLCSComplianceTestingLaboratoryLtd. Address: No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou, Guangdong,China Tel:(+86)020-39166689 Fax:(+86)020-39166619 Web:www.LCS-cert.com Mail:[email protected] Dateofreceiptoftestsample:April13,2026 Numberoftestedsamples:2 SampleNo.:C260413012-1,C260413012-2 Serialnumber:Prototype DateofTest:April13,2026~April23,2026 DateofReport:April24,2026 Page 2 of 37 FCCID:2BBPLPYMRTSPKReportNo.:LCSC03246010EA GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com FCCTESTREPORT FCCCFR47PART15C(15.247) ReportReferenceNo......................:LCSC03246010EA DateofIssue.......................................:April24,…

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