2A6UA-WN05AWhite Noise Machine

HongKongLuteTechnologyCo.,Limited Room803B,8/F,WestBundInternationalBuilding, 290-296YuenChauStreet,CheungShaWan,Kowloon HongKong Date:06-15-2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 FCCID:2A6UA-WN05A FRN:0032392508 USAgent–AttestationStatement/Part2.911(d)(7) HongKongLuteTechnologyCo.,Limitedcertifies,thatasof06-15-2026wehavedesignated FCCUSAgent,LLCtoacceptserviceofprocessonourbehalfforFCCID:2A6UA-WN05A. HongKongLuteTechnologyCo.,Limited,acceptstomaintainanagentofserviceofprocessin theUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanentlyterminatedall marketingandimportationoftheapplicableequipmentwithintheU.S.,ortheconclusionofany Commission-relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheveris later. FCCUSAgent,LLC,acceptsasofthedateofthefilingofthisapplication,theobligationofbeing thedesignatedagentforthepurposeofacceptingserviceofprocessonbehalfofHongKongLute TechnologyCo.,Limited,LIMITEDforFCCID:2A6UA-WN05A. DesignatedAgentInformation: CompanyName:FCCUSAgent,LLC FRN:0033402884 Address:3722IllinoisAvenue,SaintCharles,IL,60174,USA ContactPerson:TimPayne Phone:708-571-3148 Email:[email protected] Sincerely, Company:HongKongLuteTechnologyCo., Limited DesignatedAgent:FCCUSAgent,LLC CompanyRepresentative:RichardPanDesignatedAgentRepresentative:TimPayne Signature: Signature:

Hong Kong Lute Technology Co., Limited Jun.15, 2026 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for FCC ID: 2A6UA-WN05A Hong Kong Lute Technology Co., 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. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is also on the “covered list”. Sincerely, (Applicant signature) Richard Pan Assistant General Manager Hong Kong Lute Technology Co., Limited Hong Kong Lute Technology Co., Limited Jun.15, 2026 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for FCC ID: 2A6UA-WN05A Hong Kong Lute Technology Co., Limited(“the applicant”) certifies that, as of the date of the filing of the application, the applicant is notidentified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) Richard Pan Assistant General Manager Hong Kong Lute Technology Co., Limited

HongKongLuteTechnologyCo.,Limited Date:Jun.15,2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2A6UA-WN05A PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName Long-termconfidentiality: Schematics BlockDiagram OperationalDescription Schematics.pdf BlockDiagram.pdf OperationalDescription.pdf Short-termconfidentiality: User’sManual ExternalPhotos InternalPhotos SetupPhotos User’sManual.pdf ExternalPhotos.pdf InternalPhotos.pdf SetupPhotos.pdf Short-termconfidentialitydays:180days. Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. Sincerely, HongKongLuteTechnologyCo.,Limited Signature RichardPan/AssistantGeneralManager TypednameandTitle

HongKongLuteTechnologyCo.,Limited FCCID:2A6UA-WN05A POWEROFATTORNEY Date:Jun.15,2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 ToWhomItMayConcern: We,theundersigned,herebyauthorizeWaltekTestingGroupCo.,Ltd.(DevalQin) onourbehalf,toapplytotheFederalCommunicationsCommissiononour equipment.AnyandallactscarriedoutbyWaltekTestingGroupCo.,Ltd.(Deval Qin)onourbehalfshallhavethesameeffectasactsofourown.This authorizationexpiresonJun.14,2027. Sincerely, HongKongLuteTechnologyCo.,Limited Signature RichardPan/AssistantGeneralManager TypednameandTitle

产品镭雕 蒲斌 .. 印刷要求： .所用材质均符合RoHS .标准 .材质：ABS,白色 .尺寸：xxmm m m 5 5 mm 4 mm 4 mm m m 2

Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 8 TEST REPORT Referen ce No. .................... : WTF26D05154587W005 FCC ID ................................ : 2A6UA-WN05A Applicant ............................ : Hong Kong Lute Technology Co., Limited Address .............................. : Room 803B, 8/F, West Bund International Building, 290-296 Yuen Chau Street, Cheung Sha Wan, Kowloon, Hong Kong Manufacturer .................... : Shenzhen Linklite Smart Lighting Co., Ltd. Address ............................. : #902 Complex Building, virtual University Industrial Park, Nanshan District, Shenzhen, China Product ............................... : White Noise Machine Model(s). ............................ : WN05 Standards........................... : FCC 47CFR Part 2 Subpart J Section 2.1091 Date of Receipt Sample .... : 2026-06-08 Date of Test ....................... : 2026-06-13 to 2026-06-24 Date of Issue ...................... : 2026-08-18 Test Result ......................... : Pass Remarks: The re sults shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: Estel Qian / Project Engineer Deval Qin / Designated Reviewer Reference No.: WTF26D05154587W005 Page 2 of 8 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 2. Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2. CONTENTS ............................................................................................................................................... 2 3. REVISION HISTORY ................................................................................................................................. 3 4. GENERAL INFORMATION ....................................................................................................................... 4 4.1. GENERAL DESCRIPTION OF E.U.T.................................................................................................... 4 4.2. DETAILS OF E.U.T. ......................................................................................................................... 4 4.3. TEST FACILITY ................................................................................................................................ 5 4.4. SUBCONTRACTED ........................................................................................................................... 5 4.5. ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................ 5 5. TEST SUMMARY ...................................................................................................................................... 6 6. RF EXPOSURE ......................................................................................................................................... 7 6.1. REQUIREMENTS .............................................................................................................................. 7 6.2. THE PROCEDURES / LIMIT ................................................................................................................ 7 6.3. MPE CALCULATION METHOD........................................................................................................... 8 6.4. RADIO FREQUENCY RADIATION EXPOSURE EVALUATION ................................................................... 8 Reference No.: WTF26D05154587W005 Page 3 of 8 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 3. Revision History Test Report No. Date of Receipt Sample Date of Test Date of Issue Purpose Comment Approved WTF26D05154587W005 2026-06-08 2026-06-13 to 2026-06-24 2026-08-18Original - Valid Reference No.: WTF26D05154587W005 Page 4 of 8 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 4. General Information 4.1. General Description of E.U.T. Product: White Noise Machine Model(s): WN05 Model Description: N/A Test Sample No.: 1-1/1 Wi-Fi Specification: 2.4G-802.11b/g/n HT20 Bluetooth Version: V4.0 Hardware Version: V1.0 Software Version: MCU/1.0.16 4.2. Details of E.U.T. Operation Frequency: Bluetooth: 2402-2480MHz, 79 Channels in total LE: 2402-2480MHz, 40 Channels in total 2.4G Wi-Fi: 802.11b/g/n HT20: 2412~2462MHz, 11CH Max. RF output power: Bluetooth: 4.42dBm LE: 1.03dBm 2.4G Wi-Fi: 13.77dBm Modulation Technology: Bluetooth: GFSK, π/4DQPSK, 8DPSK LE: GFSK 2.4G Wi-Fi: DSSS, OFDM Antenna installation: Bluetooth& LE: FPC antenna 2.4G Wi-Fi: PCB printed antenna Antenna Gain: Bluetooth& LE: 2.68dBi 2.4G Wi-Fi: 1.38dBi Note: #: The antenna gain is provided by the applicant, and the applicant should be responsible for its authenticity, WALTEK lab has not verified the authenticity of its information. Ratings: DC 12V ⎓ 1.5A Adapter: Model: PS18LA12OK1500UD Input: 100-240V ~ 50/60Hz 0.5A Max. Output: 12.0V ⎓ 1.5A 18.0W Manufacturer: Shenzhen Flypower Technology Co., Ltd Reference No.: WTF26D05154587W005 Page 5 of 8 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 4.3. Test Facility The test facility has a test site registered with the following organizations: ISED CAB identifier: CN0013. Test Firm Registration No.: 7760A. Waltek Testing Group Co., Ltd. Has been registered and fully described in a report filed with the Industry Canada. The acceptance letter from the Industry Canada is maintained in our files. Registration number 7760A, October 15, 2016. FCC Designation No.: CN1201. Test Firm Registration No.: 523476. Waltek Testing Group Co., Ltd. EMC Laboratory has been…

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BT Antenna Specification FPC Antenna Shenzhen ANT Communication Technology Co., LTD. 701, Building A, TongFuhan Haida Industrial Park, No. 10, Jiangfu Road, Xinzhuang Community, Ma Tian Street, Guangming New District, Shenzhen, China 1. Structure drawing Unit: mm 2. Specification Electrical property parameter Frequency range 2400~2500MHz Input impedance 50Ω Return loss ≥-10dB Maximum gain 2.68dBi Polarization mode Linear polarization Radiation direction omnidirectional Mechanical parameter Antenna size 32*13MM Material FPC+CABLE Wire specification Φ1.13*80 Terminal specification Primary terminal Salt spray test Over 48H Environmental parameter Operating temperature -45°C--+85°C 3. Antenna test parameters Return loss Antenna efficiency Frequency/Mhz Efficiency/dB Efficiency/% Max Gain/dBi 2400 -2.53 55.8 2.27 2410 -2.89 51.4 2.68 2420 -2.73 53.3 2.01 2430 -2.93 50.9 2.04 2440 -2.6 54.9 2.07 2450 -3.02 49.9 2 2460 -2.7 53.7 2.17 2470 -3.07 49.3 2.06 2480 -3.04 49.7 2.14 2490 -2.95 50.7 1.34 2500 -3.06 49.4 1.37 2D pattern Phi 0 Phi 90 Theta 90

Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 95 TEST REPORT Re ference No. .................... : WTF26D05154587W002 FCC ID ................................ : 2A6UA-WN05A Applicant ............................ : Hong Kong Lute Technology Co., Limited Address .............................. : Room 803B, 8/F, West Bund International Building, 290-296 Yuen Chau Street, Cheung Sha Wan, Kowloon, Hong Kong Manufacturer .................... : Shenzhen Linklite Smart Lighting Co., Ltd. Address ............................. : #902 Complex Building, virtual University Industrial Park, Nanshan District, Shenzhen, China Product ............................... : White Noise Machine Model(s). ............................ : WN05 Standards........................... : FCC 47CFR Part 15.247 Date of Receipt Sample .... : 2026-06-08 Date of Test ....................... : 2026-06-13 to 2026-06-24 Date of Issue ...................... : 2026-08-18 Test Result ......................... : Pass Remarks: The re sults shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: Estel Qian / Project Engineer Deval Qin / Designated Reviewer Reference No.: WTF26D05154587W002 Page 2 of 95 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 2 Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2 CONTENTS ............................................................................................................................................... 2 3 REVISION HISTORY ................................................................................................................................. 4 4 GENERAL INFORMATION ....................................................................................................................... 5 4.1 GENERAL DESCRIPTION OF E.U.T. ....................................................................................................... 5 4.2 DETAILS OF E.U.T. .............................................................................................................................. 5 4.3 CHANNEL LIST ..................................................................................................................................... 6 4.4 TEST MODE ........................................................................................................................................ 6 4.5 TEST FACILITY .................................................................................................................................... 7 5 TEST SUMMARY ...................................................................................................................................... 8 6 EQUIPMENT USED DURING TEST ......................................................................................................... 9 6.1 EQUIPMENTS LIST ............................................................................................................................... 9 6.2 DESCRIPTION OF SUPPORT UNITS ...................................................................................................... 10 6.3 MEASUREMENT UNCERTAINTY ........................................................................................................... 10 7 CONDUCTED EMISSION ....................................................................................................................... 11 7.1 E.U.T. OPERATION ............................................................................................................................ 11 7.2 EUT SETUP ...................................................................................................................................... 11 7.3 MEASUREMENT DESCRIPTION ............................................................................................................ 11 7.4 CONDUCTED EMISSION TEST RESULT ................................................................................................ 12 8 RADIATED SPURIOUS EMISSIONS ..................................................................................................... 14 8.1 EUT OPERATION ............................................................................................................................... 14 8.2 TEST SETUP ..................................................................................................................................... 15 8.3 SPECTRUM ANALYZER SETUP ............................................................................................................ 16 8.4 TEST PROCEDURE ............................................................................................................................. 17 8.5 CORRECTED AMPLITUDE & MARGIN CALCULATION .............................................................................. 17 8.6 SUMMARY OF TEST RESULTS ............................................................................................................. 18 9 CONDUCTED SPURIOUS EMISSIONS ................................................................................................. 38 9.1 TEST PROCEDURE ............................................................................................................................. 38 9.2 TEST RESULT .................................................................................................................................... 39 10 BAND EDGE MEASUREMENT .............................................................…

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