2BAR7-KUN-SL-WSmart Sleep Speaker

HunanZennzeTechnologyLimited 2.911(d)(7)USAAgentv1.5 Section2.911(d)(7)USAAgentforServiceofProcess Companyname:HunanZennzeTechnologyLimited Address:Apartment501,XiangluInternationalGardenIIHotelNo.61LufengRoad, High-techDevelopmentZone,Changsha,410221,China FCCID:2BAR7-KUN-SL-W 2.911(d)(7)USADesignatedAgentforServiceofProcess We,[HunanZennzeTechnologyLimited]designate[LinkwldLLC] NOTE1 forthe purposeofacceptingserviceofprocessonbehalfoftheapplicant. Applicantconsent:Weacknowledgeourconsenttoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddressofthedesignatedagentandacknowledgeouracceptance ofourobligationtomaintainanagentforserviceofprocessintheUnitedStatesforno lessthanoneyearaftereitherwethegranteehavepermanentlyterminatedall marketingandimportationoftheapplicableequipmentwithintheU.S.,oratthe conclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolving theequipment,whicheverislater. Agentobligation:Weacknowledgeourobligationtoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipmentatourphysicalU.S. addressandemailaddressfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipment withintheU.S.,orattheconclusionofanyCommission-relatedadministrativeor judicialproceedinginvolvingtheequipment,whicheverislater. USAAgentApplicant Companyname:LinkwldLLCCompanyname:HunanZennzeTechnology Limited USAAddress:7595TechnologyWaySte 100,Denver,CO80237,US Address:Apartment501,Xianglu InternationalGardenIIHotelNo.61Lufeng Road,High-techDevelopmentZone, Changsha,410221,China FRNNumber:0033625682GranteeFRNNumber:0033625922 ContactName:TimothyZhuFCCGranteeCode:2BAR7 TelephoneNo.:(747)717-2691ContactName:HuiFeng Email:[email protected].:0731-89714008 Email:[email protected] HunanZennzeTechnologyLimited 2.911(d)(7)USAAgentv1.5 Signature: Title:Manager Signature: Title:Manager Date:2026-06-25Date:2026-06-25 NOTE1:AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforservice ofprocess. Reference;FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

Attestation Statement. Old Code: C5266091 24 New Code: 00015544 Ed.3 Change reason: FRN is added to the Applicant information section. 1/1 Hunan Zennze Technology Limited 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: Hunan Zennze Technology Limited Grantee code: 2BAR7 FCC ID: 2BAR7-KUN-SL-W FRN: 0033625922 Contact Name: Hui Feng Address: Apartment 501, Xianglu International Garden II Hotel No. 61 Lufeng Road, High-tech Development Zone, Changsha, China Telephone No: 0731-89714008 Fax No: 0731-89714008 Email: [email protected] i. [Hunan Zennze Technology 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. [Hunan Zennze Technology 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. [Hunan Zennze Technology 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 an entity producing “covered” equipment . Date: June 25, 2026 Applicant’s Name: Hui Feng 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 Attestation Statement. Old Code: C5266091 24 New Code: 00015544 Ed.3 Change reason: FRN is added to the Applicant information section. 1/1

Hunan Zennze Technology 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 # General Requirements (For Windows Devices) Yes / No or N/A Comments 1 Storage: 1500 MB free space on the hard drive N/A Device Smart Sleep Speaker Company name Hunan Zennze Technology Limited Grantee code 2BAR7 FCC ID 2BAR7-KUN-SL-W FRN 0033625922 Contact name Hui Feng Address Apartment 501, Xianglu International Garden II Hotel No. 61 Lufeng Road, High-tech Development Zone, Changsha, China Telephone number 0731-89714008 E-mail [email protected] Chipset/module information XR875, NRT82885A1,TYCB3S Operating System (if applicable) / Storage Capacity (hard drive or other permanent memory storage, if applicable) / 2 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 # General Requirements (For Linux system) Yes / No or N/A Comments 1 Hard drive: 1 GB of free space N/A 2 CPU: Intel Pentium 1 GHz or higher N/A 3 3 RAM: 1 GB N/A 4 Minimum software requirements: AlmaLinux OS 8 or later; AlterOS 7.5 or later; Astra Linux Common Edition 2.12 or later; CentOS 6.7 or later; Debian GNU/Linux 10.0 or later; EulerOS 2.0 or later; Oracle Linux 7.3 or later ; Red Hat Enterprise Linux 6.7 or later ; Rocky Linux 8.5 or later ; SUSE Linux Enterprise Server 12.5 or later; Ubuntu 12.04 or later ; Uncom OS Home / Business / Education / Enterprise 2.2 or later; ALT Linux Workstaton / Workstation K / Server / Education 8 or later; ROSA Linux Workstation / Server 12 or later ; RED OS 7.3 and later ; N/A 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 The justification field is used to justify why the software cannot be received through that interface. Check the annex for more indications. 4 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:Hui Feng Date: June 25, 2026

TCB CALL página 1 File FCC ID: 2BAR7-KUN-SL-W 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. On the official register from : Search | coloradosos.gov TCB CALL página 2 TCB CALL página 3 TCB CALL página 4 TCB CALL página 5 ► 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" >

C5266091_X10_Ed.2 1/1 HunanZennzeTechnologyLimited OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2026-06-25 Subject:RequestforConfidentiality FCCID: 2BAR7-KUN-SL-W ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-TermConfidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☒ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☒ User’sManual ☐ NOTE 1 ☒ InternalPhotos ☐ NOTE 1 ☒ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodof_180_daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:HuiFeng Title:Manager 2026.06.25

C5266091_X8_Ed.1 1/1 Letter of Authorization Hunan Zennze Technology Limited Company: Hunan Zennze Technology Limited Address: Apartment 501, Xianglu International Garden II Hotel No. 61 Lufeng Road, High-tech Development Zone, Changsha, China Product Name: Smart Sleep Speaker Model Number: KUN-SL-W FCC Identifier: 2BAR7-KUN-SL-W 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: Hui Feng Date: June 25, 2026 Title: Manager Signature of applicant:

LabelLocation Confirmtheuseofrealappearancephotosasreferences Labelsize: （ L:5.2cm*W:3.3cm ）

MAXIMUMPERMISSIBLEEXPOSURE KDB447498D01MobileandPortableDevicesRFExposureProceduresandEquipment AuthorizationPoliciesv06. AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeusedto evaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF)Radiationas specifiedin§1.1307(b) EUTSpecification FCCID2BAR7-KUN-SL-W EUTSmartSleepSpeaker Frequencyband(Operating)BT:2.402GHz~2.480GHz WLAN:2.412GHz~2.462GHz RLAN:5.180GHz~5.240GHz RLAN:5.260GHz~5.320GHz RLAN:5.500GHz~5.700GHz RLAN:5.745GHz~5.825GHz Others:UWB:7.3216GHz~8.6528GHz DevicecategoryPortable(<20cmseparation) Mobile(>20cmseparation) Others___ ExposureclassificationOccupational/Controlledexposure GeneralPopulation/Uncontrolledexposure AntennadiversitySingleantenna Multipleantennas Txdiversity Rxdiversity Tx/Rxdiversity Antennagain(Max)BT:4.30dBi WiFi2.4G:1.37dBi UWB:5dBi EvaluationappliedMPEEvaluation SAREvaluation LimitsforMaximumPermissibleExposure(MPE) Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) Power Density(mW/cm 2 ) AverageTime (A)LimitsforOccupational/ControlExposures 300-1500----F/3006 1500-100000----56 (B)LimitsforGeneralPopulation/UncontrolExposures 300-1500----F/150030 1500-100000----130 Friistransmissionformula:Pd=(Pout*G)\(4*pi*R2) Where Pd=PowerdensityinmW/cm 2 Pout=outputpowertoantennainMw G=gainofantennainlinearscale Pi=3.1416 R=distancebetweenobservationpointandcenteroftheradiatorincm PdthelimitofMPE.Ifweknowthemaximumgainoftheantennaandtotalpowerinputtotheantenna, throughthecalculation,wewillknowthedistancewheretheMPElimitisreached. MeasurementResult Operating Mode Maximum outputpower (dBm) Tuneup tolerance (dBm) Max.Tuneup Power (dBm) Antenna Gain (dBi) Powerdensity at20cm (mW/cm 2 ) Powerdensity Limits (mW/cm 2 ) BDR&EDR-2.99-2.99±1-1.994.300.00031 BLE-2.59-2.59±1-1.594.300.00041 WiFi2.4G13.7213.72±114.721.370.00811 UWB-11.29-11.29±1-10.2950.000061 TheMaximumsimultaneoustransmissionMPERatiosisBDR&EDR+WiFi2.4G+UWB: =SBLE/Slimit+SWiFi2.4G/Slimit+SUWB/Slimit =0.0004/1+0.0081/1+0.00006/1 =0.00856 <1.0 Result:NoStandaloneSARtestisrequired.

Page 1 of 26 FCC Test Report Report No.:1812C50290512504 Applicant:Hunan Zennze Technology Limited Address: Apartment 501, Xianglu International Garden II Hotel No. 61 Lufeng Road, High-tech Development Zone, Changsha, 410221, China Product Name:Smart Sleep Speaker Report Date:2026-07-08 Shenzhen Anbotek Compliance Laboratory Limited #资质章# #检测章# #报告二维码# Report No.:1812C50290512504Page 2 of 26 FCC ID: 2BAR7-KUN-SL-W Contents 1. General Information .............................................................................................................................5 1.1. Client Information ......................................................................................................................5 1.2. Description of Device (EUT) ......................................................................................................5 1.3. Auxiliary Equipment Used During Test......................................................................................6 1.4. Description of Test Configuration ..............................................................................................6 1.5. Description Of Test Setup .........................................................................................................7 1.6. Test Equipment List...................................................................................................................8 1.7. Measurement Uncertainty .........................................................................................................9 1.8. Description of Test Facility ......................................................................................................10 1.9. Disclaimer................................................................................................................................10 2. Summary of Test Results ..................................................................................................................11 3. Conducted Emission Test..................................................................................................................12 3.1. Test Standard and Limit ..........................................................................................................12 3.2. Test Setup ...............................................................................................................................12 3.3. Test Procedure ........................................................................................................................12 3.4. Test Data .................................................................................................................................12 4. Radiation Spurious Emission.............................................................................................................15 4.1. Test Standard and Limit ..........................................................................................................15 4.2. Test Setup ...............................................................................................................................16 4.3. Test Procedure ........................................................................................................................17 4.4. Test Data .................................................................................................................................17 5. UWB Operation Bandwidth Test........................................................................................................21 5.1. Test Standard and Limit ..........................................................................................................21 5.2. Test Setup ...............................................................................................................................21 5.3. Test Procedure ........................................................................................................................21 5.4. Test Data .................................................................................................................................21 6. Peak Emission in a 50 MHz Bandwidth Test .....................................................................................23 6.1. Test Standard and Limit ..........................................................................................................23 6.2. Test Setup ...............................................................................................................................23 6.3. Test Procedure ........................................................................................................................23 6.4. Test Data .................................................................................................................................23 7. Antenna Requirement........................................................................................................................25 7.1. Test Standard and Requirement .............................................................................................25 7.2. Antenna Connected Construction ...........................................................................................25 APPENDIX I -- TEST SETUP PHOTOGRAPH .....................................................................................26 APPENDIX II -- EXTERNAL PHOTOGRAPH .......................................................................................26 APPENDIX III -- INTERNAL PHOTOGRAPH........................................................................................26 Report No.:1812C50290512504Page 3 of 26 FCC ID: 2BAR7-KUN-SL-W TEST REPORT Applicant:Hunan Zennze Technology Limited Manufacturer:Hunan Zennze Technology Limited Product Name:Smart Sleep Speaker Model No.:KUN-SL-W Trade Mark: , , , Rating(s): Input: 5V⎓2A Test Standard(s):FCC Part15 Subpart F, Section 15.517 &Section 15.521 Test Method(s):ANSI C63.10-2020+Cor.1-2023 The device described above is te…

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Hunan ZENNZE Technology Limited www.zennze.com UWB(1T2R)AntennaSpecification 1. UWBinformation Antenna Type ： PCB onboardAntenna Manufacturer ： Hunan ZENNZE Technology Limited Model ： NR3 （ 1T2R ） Size ： Asthefollowingfigure 2. RFparameters ParametersMinTypicalMaxUnitNotes Frequency band 7321.6-8652.8 MHz Center frequency: 7987.2Mhz Average transmit power --10-dBm Antenna beamwidth - ± 60-° Conical beam Antenna gain-5-dBi Manufacturer: Hunan Zennze Technology Limited Address:Apartment 501, Xianglu International Garden II Hotel No. 61 Lufeng Road, High-tech Development Zone, Changsha, 410221, China Hunan ZENNZE Technology Limited www.zennze.com 3. UWBHorizontalandverticalbeampatternsoftheantenna Gain Hunan ZENNZE Technology Limited www.zennze.com 4. Reflectioncoefficientofantennaport 5. Gainparametersoftheantenna