2AHFT8172Smart sports armband

FIDESERT P01 Operation Manual Thanks for purchasing this product. Please read this Manual carefully before use. EN Quick start guide Safety instructions Do not place the product and its accessories at extreme temperatures, otherwise it may cause hazards such as product failure, fire or explosion. Protect the product from strong impacts or jolts, so as not to damage the product and its accessories, thus avoiding product failures. Do not disassemble or modify the product and its accessories by yourself. Contact us for after-sales service when the product fails. 2. Pairing 1. App downloads App downloads and pairing Turn on Weallup app->Activate Bluetooth connection on your phone -> Search on the app for the device to pair with -> Finish binding on the app . Download and install the "Weallup" app on the App Store, Google Play or by scanning the QR code below. 2. Turning on/off Turning on Whilst the watch is off, it automatically turns on when you put it on charge. Note: Charge the watch to activate it before first use. The original power adapter must be used for charging. Turning off To turn off the watch: go to App -> Turning off menu. Long press the button to turn on the watch. 1. Product overview Physical button operation Short press 1Short press the button: Display battery level 1. Long press for 2 seconds to turn on. 2. Under the power on state, long press for 6s to restart. Long press FIDESERT P01 has features such as 5ATM water resistance. ultra-long battery life, low latency. It supports Find My and Find Hub, Steps and sleep monitoring, etc. For operating instructions and FAQs on these features, please turn on the app and go to "User Guide" section. Three suggestions for use and maintenance: 1. Keep the product clean; 2. Keep the product dry; 3. Do not wear the product too tight; * Do not use household cleansers when cleaning the product. Use soap-free cleansers instead. * For stubborn stains, it is recommended to remove by scrubbing with alcohol. Waterproof: Not suitable for use while diving, swimming in the sea, or in a sauna. Suitable for use in swimming pools, showers (cold water) and shallows. Drei Hinweise zur Verwendung und Wartung: 1. Halten Sie das Produkt sauber; 2. Halten Sie das Produkt trocken; 3. Tragen Sie das Produkt nicht zu eng; * Verwenden Sie zur Reinigung des Produkts keine Haushaltsrein- iger. Verwenden Sie stattdessen seifenfreie Reinigungsmittel. * Bei hartnäckigen Flecken empfiehlt es sich, diese durch Abreiben mit Alkohol zu entfernen. Wasserdicht: Nicht geeignet zum Tauchen, Schwimmen im Meer oder in der Sauna. Geeignet für Schwimmbäder, Duschen (Kaltwasser) und flache Gewässer. Features Care and maintenance Physical button Magnetic charging contacts Buzzer LED IT Guida rapida Istruzioni di sicurezza Non esporre il prodotto e i suoi accessori a temperature estreme, altrimenti potrebbero verificarsi pericoli quali guasti del prodotto, incendi o esplosioni. Proteggere il prodotto da urti o scosse violente, per non danneggiare il prodotto e i suoi accessori, evitando così guasti al prodotto. Non smontare o modificare il prodotto e i suoi accessori da soli. In caso di guasto del prodotto, contattare il servizio post-vendita. 2. Abbinamento 1. Download di app Download e associazione delle app Attiva l'app Weallup -> Attiva la connessione Bluetooth sul tuo telefono -> Cerca sull'app il dispositivo da associare -> Completa l'associazione sull'app. Scarica e installa l'app "Weallup" dall'App Store, da Google Play o scansionando il codice QR qui sotto. 2. Accensione/Spegnimento Accensione Quando l'orologio è spento, si accende automaticamente quando lo metti in carica. Nota: caricare l'orologio per attivarlo prima del primo utilizzo. Per la ricarica è necessario utilizzare l'adattatore di alimentazione originale. Spegnimento Per spegnere l'orologio: vai su App -> Menu di spegnimento. Premere a lungo il pulsante per accendere l'orologio. 1. Panoramica del prodotto Funzionamento tramite pulsante fisico Pressione breve 1Premere brevemente il pulsante: visualizza il livello della batteria 1. Premere a lungo per 2 secondi per accendere. 2. Quando il dispositivo è acceso, premere a lungo per 6 secondi per riavviarlo. Pressione prolungata FIDESERT P01 ha caratteristiche come la resistenza all'acqua 5ATM, durata della batteria ultra lunga,Bassa latenza. Supporta Find My e Find Hub, Passi e monitoraggio del sonno, ecc. Per istruzioni operative e domande frequenti su queste funzionalità, accendere l'app e andare alla sezione "Guida utente". Tre suggerimenti per l'uso e la manutenzione: 1. Mantenere il prodotto pulito; 2. Mantenere il prodotto asciutto; 3. Non indossare il prodotto troppo stretto; * Non utilizzare detergenti per la casa per la pulizia del prodotto. Utilizzare invece detergenti senza sapone. * Per le macchie ostinate, si consiglia di rimuoverle strofinando con alcol. Impermeabile: non adatto per immersioni, nuoto in mare o sauna. Adatto per l'uso in piscine, docce (acqua fredda) e acque poco profonde. Caratteristiche Cura e manutenzione Pulsante fisico Contatti di ricarica magnetici Cicalino LED FR Guide de démarrage rapide Consignes de sécurité Ne placez pas le produit et ses accessoires à des températures extrêmes, car cela pourrait entraîner des risques tels qu'une panne du produit, un incendie ou une explosion. Protéger le produit des chocs ou secousses violentes afin de ne pas endommager le produit et ses accessoires, et ainsi éviter les pannes. Ne démontez ni ne modifiez vous-même le produit et ses accessoires. Contactez-nous pour le service après-vente en cas de dysfonctionnement. 2. Appariement 1. Téléchargements d'applications Téléchargements et appariements d'applications Ouvrez l'application Weallup -> Activez la connexion Bluetooth sur votre téléphone -> Recherchez dans l'application l'appareil à appairer -> Terminez la liaison dans l'application. Téléchargez et installez l'application « Weallup » sur l'App Store, Google Play ou en scannant le code …

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Report No.: TSEA26050048701 Appendix C EX3DV4-SN 7858 DAE4-SN 1846 D2450V2-SN 1099

Setupphotos 1Photographs-EUTTestSetup 1.1RadiatedSpuriousEmission 9kHz~30MHz: 30MHz~1GHz: Above1GHz: 1.2ConductedEmissionsTestSetup 1.3RFConductedmeasurement

Report No.: TSEA26050048701 Appendix D 1. Test Sample Photo 1: Front View Photo 2: Back View Photo 3: Antenna Locations Report No.: TSEA26050048701 2. Test Positions Photo 4: Front side 0mm Photo 5: Back side 0mm Photo 6: Left side 0mm Photo 7: Right side 0mm Photo 8: Top side 0mm Photo 9: Bottom side 0mm

SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD 102A,102B,Building2,ShanghenglangNewIndustrialZone,ShanghenglangCommunity, DalangStreet,LonghuaDistrict,Shenzhen,Guangdong,People’sRepublicofChina,518000 Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V06 ReportTemplateRevisionDate:2026-01-30 TestReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonly tothesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20260500998E-01 Applicant: ShenzhenDOIntelligentTechnologyCo.,Ltd AddressofApplicant: 11thFloor,3#Building,GuoleTechPark,LirongRoad,Dalang,Longhua District,Shenzhen,China EquipmentUnderTest(EUT): Product:Smartsportsarmband ModelNo.:FIDESERTP01 TestModelNo.:FIDESERTP01 BrandName:IDO FCCID:2AHFT8172 Standards:47CFRPart15,SubpartC KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10:2020 DateofReceipt:2026-05-18 DateofTest: 2026-05-18to2026-05-27 DateofIssue:2026-06-24 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260500998E-01 Page: 2 of 60 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20260500998E-01Rev.01Initialreport2026-06-24 SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260500998E-01 Page: 3 of 60 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement 47CFRPart15,SubpartCSection 15.203/15.247(c) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS ACPowerLine Conducted Emission 47CFRPart15,SubpartCSection 15.207 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS ConductedPeakOutput Power 47CFRPart15,SubpartCSection 15.247(b)(3) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS 6dBOccupied Bandwidth 47CFRPart15,SubpartCSection 15.247(a)(2) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS PowerSpectralDensity 47CFRPart15,SubpartCSection 15.247(e) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS Band-edgeforRF ConductedEmissions 47CFRPart15,SubpartCSection 15.247(d) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS RFConductedSpurious Emissions 47CFRPart15,SubpartCSection 15.247(d) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS RadiatedSpurious Emissions 47CFRPart15,SubpartCSection 15.205/15.209 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS Restrictedbandsaround fundamentalfrequency (RadiatedEmission) 47CFRPart15,SubpartCSection 15.205/15.209 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260500998E-01 Page: 4 of 60 3Contents Page 1VERSION..........................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................3 3CONTENTS......................................................................................................................................................................4 4GENERALINFORMATION...........................................................................................................................................5 4.1CLIENTINFORMATION.................................................................................................................................................5 4.2GENERALDESCRIPTIONOFEUT.................................................................................................................................5 4.3ADDITIONALINSTRUCTIONS........................................................................................................................................7 4.4TESTENVIRONMENT...................................................................................................................................................8 4.5DESCRIPTIONOFSUPPORTUNITS...............................................................................................................................8 4.6TESTCONFIGURATION................................................................................................................................................8 4.7STATEMENTOFTHEMEASUREMENTUNCERTAINTY....................................................................................................9 4.8TESTLOCATION........................................................................................................................................................10 4.9TESTFACILITY..........................................................................................................................................................10 4.10DEVIATIONFROMSTANDARDS................................................................................................................................10 4.11OTHERINFORMATIONREQUESTEDBYTHECUSTOMER..........................................................................................10 4.12EQUIPMENTLIST.....................................................................................................................................................11 5TESTRESULTSANDMEASUREMENTDATA.....................................................................................................12 5.1ANTENNAREQUIREMENT..........................................................................................................................................12 5.2CONDUCTEDEMISSIONS............................................................................................................................................13 5.3CONDUCTEDPEAKOUTPUTPOWER...............................…

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Report No.: TSEA26050048701 Appendix A System Check 2450 MHz Head Scans Setup Area ScanZoom Scan Grid Extents [mm]40.0 x 96.030.0 x 30.0 x 30.0 Grid Steps [mm]10.0 x 12.05.0 x 5.0 x 1.5 Sensor Surface [mm]3.01.4 Graded GridN/AYes Grading RatioN/A1.5 MAIAN/AN/A Surface DetectionVMS + 6pVMS + 6p Scan MethodMeasuredMeasured Measurement Results Area ScanZoom Scan Date2026-06-10, 08:252026-06-10, 08:32 psSAR1g [W/Kg]5.175.15 psSAR10g [W/Kg]2.402.40 Power Drift [dB]-0.040.01 Power ScalingDisabledDisabled Scaling Factor [dB] TSL CorrectionNo correctionNo correction Test Laboratory: TOWE Lab System Performance Check Report Summary DipoleFrequency [MHz]TSLPower [dBm]Dev. 1g [%]Dev. 10g [%]Dev. Peak [%]Iso. Error [%] D2450V2 - SN10992450.0HSL20.00.30.71.6-1.1 Exposure Conditions Phantom Section, TSLTest Distance [mm]BandGroup, UIDFrequency [MHz], Channel NumberConversion FactorTSL Conductivity [S/m]TSL Permittivity Flat, Head Simulating Liquid10CW, 0--2450.000, 06.971.8340.1 Hardware Setup PhantomTSLProbe, Calibration DateDAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2168HSL2450EX3DV4 - SN7858, 2026-02-20DAE4ip Sn1846, 2026-01-07

SHENZHEN YUSHENG COMMUNICATION EQUIPMENT CO., LTD Add: 407-411, Floor 4, Building 2, Yuntai Chuanggu Park, southeast of the intersection of Guangming Avenue and Dongchang Road, Guangming District, Shenzhen ANTENNA REPORT IDP01 BT 2026-06-22 BT_SWR BT efficiecy BT Gain=1.62dBi Free-space Freq （MHz） Effi (%) Gain （dBi） Freq （MHz） Effi (%) Gain （dBi） 2400 42.141.03 2490 41.481.59 2410 43.561.13 2500 40.161.51 2420 44.561.34 2430 45.121.49 2440 46.521.62 2450 45.591.59 2460 44.581.55 2470 43.881.58 2480 42.141.57 BT Antenna size mm BT Thank you！

Sushi TOWE Wireless Testing (Shenzhen) Co., Ltd. Report No.: TSEA26050048701 Sushi TOWE Wireless Testing(Shenzhen) Co., Ltd. Email: [email protected] Tel.: +86-755-27212361 TOWE-QP-15-F05 Rev.1.1 All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from TOWE. FCC SAR Test Report Applicant: Shenzhen DO Intelligent Technology Co., Ltd EUT Description: Smart sports armband Model: FIDESERT P01 Brand: IDO FCC ID: 2AHFT8172 Standards: FCC 47CFR §2.1093 Date of Receipt: 2026/05/25 Date of Test: 2026/06/10 Date of Issue: 2026/07/02 TOWE. tested the above equipment in accordance with the requirements set forth in the above standards. The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. the results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein. It is the manufacturer's responsibility to assure that additional production units of the model are manufactured with identical electrical and mechanical components. All sample tested were in good operating condition throughout the entire test program. Measurement Uncertainties are published for informational purposes only and were not taken into account unless noted otherwise. without written approval of TOWE, the test report shall not be reproduced except in full. Jim Huang Approved By: Jack Li Reviewed By: Page 2 / 21 Report No.: TSEA26050048701 Sushi TOWE Wireless Testing(Shenzhen) Co., Ltd. Email: [email protected] Tel.: +86-755-27212361 TOWE-QP-15-F05 Rev.1.1 All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from TOWE. Revision History Rev. Issue Date Description Revised by 01 2026/07/02 Original Jack Li Page 3 / 21 Report No.: TSEA26050048701 Sushi TOWE Wireless Testing(Shenzhen) Co., Ltd. Email: [email protected] Tel.: +86-755-27212361 TOWE-QP-15-F05 Rev.1.1 All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from TOWE. Table of Contents 1 Summary of Test Results .............................................................................................................................. 4 2 Guidance Applied ........................................................................................................................................... 5 3 Lab Information ............................................................................................................................................... 5 3.1 Testing Location ...................................................................................................................................................................... 5 3.2 Test Facility / Accreditations ................................................................................................................................................ 5 3.3 Ambient Condition .................................................................................................................................................................. 5 4 Client Information ........................................................................................................................................... 5 4.1 Applicant ................................................................................................................................................................................... 5 4.2 Manufacturer ............................................................................................................................................................................ 5 4.3 Factory ....................................................................................................................................................................................... 5 5 Product Information ....................................................................................................................................... 6 6 RF Exposure Limits ........................................................................................................................................ 7 7 Introduction ..................................................................................................................................................... 8 7.1 SAR Definition .......................................................................................................................................................................... 8 8 SAR Measurements System .......................................................................................................................... 9 8.1 The SAR Measurement Set-up ............................................................................................................................................. 9 8.2 E-Field Probe .......................................................................................................................................................................... 10 8.3 Data Acquisition Electronics (DAE) .................................................................................................................................. 10 8.4 Phantom .................................................................................................................................................................................. 11 8.5 Device Holder ..............................................................................................................…

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ShenzhenDOIntelligentTechnologyCo.,Ltd Date:June26,2026 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(i)requestforFCCID:2AHFT8172 [ShenzhenDOIntelligentTechnologyCo.,Ltd](“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisnot“covered”equipmentprohibited fromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,theequipmentdoes notutilizecyber-securityoranti-virussoftwarefromKasperskyLab,Inc,oranyofits successorsandassignees,whichisalsoonthe“coveredlist”. Sincerely, (Applicantsignature)： (Applicantprintedname)：WuDajun (Title)：Generalmanager_ (Company)：ShenzhenDOIntelligentTechnologyCo.,Ltd ShenzhenDOIntelligentTechnologyCo.,Ltd Date:June26,2026 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(ii)requestforFCCID:2AHFT8172 [ShenzhenDOIntelligentTechnologyCo.,Ltd](“theapplicant”)certifiesthat,asofthe dateofthefilingoftheapplication,theapplicantisnotidentifiedontheCoveredListas anentityproducing“covered”equipment. Sincerely, (Applicantsignature)： (Applicantprintedname)：WuDajun (Title)：Generalmanager_ (Company)：ShenzhenDOIntelligentTechnologyCo.,Ltd

Report No.: TSEA26050048701 Appendix B BLE Scans Setup Area ScanZoom Scan Grid Extents [mm]96.0 x 192.030.0 x 30.0 x 30.0 Grid Steps [mm]12.0 x 12.05.0 x 5.0 x 5.0 Sensor Surface [mm]3.01.4 Graded GridN/AYes Grading RatioN/A1.5 MAIAYY Surface DetectionVMSVMS + 6p Scan MethodMeasuredMeasured Measurement Results Area ScanZoom Scan Date2026-06-10, 11:312026-06-10, 11:39 psSAR1g [W/Kg]0.0030.004 psSAR10g [W/Kg]0.0020.002 Power Drift [dB]0.040.02 Power ScalingDisabledDisabled Scaling Factor [dB] TSL CorrectionNo correctionNo correction M2/M1 [%]58.9 Dist 3dB Peak [mm]8.0 Test Laboratory: TOWE Lab Measurement Report for Device, EDGE TOP, ISM 2.4 GHz Band, Bluetooth Low Energy, Channel 19 (2440.000 MHz) Device Under Test Properties ModelDimensions [mm] Device30.0 x 60.0 x 20.0 Exposure Conditions Phantom Section, TSLPosition, Test Distance [mm] BandGroup, UIDFrequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, Head Simulating Liquid EDGE TOP, 0.00ISM 2.4 GHz Band Bluetooth, 10670- AAA 2440.000, 196.971.8240.1 Hardware Setup PhantomTSLProbe, Calibration DateDAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2168HSL2450EX3DV4 - SN7858, 2026-02-20DAE4ip Sn1846, 2026-01-07

Internalphotos Antenna

FIDESERT P01底壳镭雕 FIDESERT P01 FCC ID: 2AHFT8172 IDO

Externalphotos

ShenzhenDOIntelligentTechnologyCo.,Ltd Date:June26,2026 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:LETTEROFAGENTAUTHORIZATION FCCID:2AHFT8172 ToWhomItMayConcern: We,theundersigned,herebyauthorizeShenzhenHuaxiaTestingTechnologyCo.,Ltd.toacton ourbehalfinallmattersrelatingtoapplicationforequipmentauthorization,includingthesigning ofalldocumentsrelatingtothesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothe denialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseAct of1988,21U.S.C.853(a). Thisagreementexpiresoneyearfromthecurrentdate. Sincerely, (Signature) ： (Printname)：WuDajun (Title)：Generalmanager_ (Company)：ShenzhenDOIntelligentTechnologyCo.,Ltd

ShenzhenDOIntelligentTechnologyCo.,Ltd Date:June26,2026 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:CONFIDENTIALITYREQUESTFOR Product:Smartsportsarmband ModelNO.: FIDESERTP01 FCCID:2AHFT8172 ToWhomItMayConcern: Thisletterservesasanofficialrequestforconfidentialityundersections0.457and0.459 ofCFR47.Wehaverequestedthatthe(Blockdiagram,circuitschematic,and operatingdescription)requiredtobesubmittedwiththisapplicationbepermanently withheldfrompublicreview. SPECIFYREASONFORREQUEST(i.e.theabovedocumentsarecompany proprietaryinformationthatcouldnevergetintothepossessionofyour competition). Pleasecontactmeifthereisanyinformationyoumayneed. Sincerely, (Signature) ： (Printname)：WuDajun (Title) ： Generalmanager_ (Company) ： ShenzhenDOIntelligentTechnologyCo.,Ltd

ShenzhenDOIntelligentTechnologyCo.,Ltd 11thFloor,3#Building,GuoleTechPark,LirongRoad,Dalang,LonghuaDistrict, Shenzhen,China FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 2026-6-2 U.S.AgentDesignation {ShenzhenDOIntelligentTechnologyCo.,Ltd}acknowledgestheirconsentforthefollowingcontactlocatedin theUnitedStatestoactastheiragentforserviceofprocessfortheequipmentforwhichauthorizationissought (FCCID:2AHFT8172): NameandcompanyofU.S.agent:BridgeportAdvisoryLLC PhysicalU.S.addressofagent:3330W38THPL,CHICAGO,IL60632,UnitedStates FRNofU.S.agent:0037566148 EmailaddressofU.S.agent:[email protected] ContactNO.:(708)680-6688 BridgeportAdvisoryLLC.acknowledgestheirobligationtoacceptserviceofprocessonbehalfof{Shenzhen DOIntelligentTechnologyCo.,Ltd}. {ShenzhenDOIntelligentTechnologyCo.,Ltd}withtheFRN[{0025289893}]acceptsitsobligationtomaintain anagentforserviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,orthe conclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheveris later. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirementslistedunder§ 2.911(d)(7). TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB 986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotify theFCCwithin30daysviathegrantingTCB. Sincerely, Signature {WuDajun} {Generalmanager} {ShenzhenDOIntelligentTechnologyCo.,Ltd} Signature MrYongLiu ManagingMember BridgeportAdvisoryLLC 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 5