2BTF5-ML88-200Laser Hair Growth System

LaserHairGrowthSystem (ML200/160/120/88) USERMANUAL TABLEOFCONTENTS 1.ProductIntroduction.........................................................................................................................................................4 ·1.1ProductName............................................................................................................................................................4 ·1.2Model&Specifications............................................................................................................................................4 · 1.3StructureComposition .............................................................................................................................................4 ·1.4Howtheproductworks...........................................................................................................................................4 · 1.5IntendedUse(IndicationsOfUse) ..........................................................................................................................4 ·1.6Expectedeffect.............................................................................................................................................................5 · 1.7Contraindications: .........................................................................................................................................................5 · 1.8Precautions ...................................................................................................................................................................5 · 1.9SafetyWarnings ..........................................................................................................................................................6 · 1.10ExplanationofProductSymbols ...............................................................................................................................7 · 1.11UDIinformation ..........................................................................................................................................................7 · 1.12productlife ..................................................................................................................................................................7 2.ProductProperty .................................................................................................................................................................8 · 2.1Usageenvironment ...................................................................................................................................................8 ·2.1.1Transportationandstorageenvironment..............................................8 ·2.1.2OperatingEnvironment..............................................................8 ·2.2ProductClassification...................................................................................................................................................8 · 2.3TechnicalSpecifications ...............................................................................................................................................8 ·2.4PowerSupplyConditions............................................................................................................................................8 3.ProductStructure ................................................................................................................................................................9 4.OperationInstructions ........................................................................................................................................................9 · 4.1SoftwareDownload ...................................................................................................................................................11 ·4.2APPOperation...........................................................................................................................................................11 ·4.3Charging&Indication...............................................................................................................................................11 ·4.4SoftwareVersion........................................................................................................................................................12 ·4.5NetworkFunctions.....................................................................................................................................................12 5.Maintenanceinspection.................................................................................................................................................12 ·5.1Cleaningandmaintenance.......................................................................................................................................12 5.2Preventiveinspection.......................................................................................................................................................13 6.CommonFaultsandSolutions ......................................................................................................................................13 7.Afer-SalesService ............................................................................................................................................................14 8.Manufacturer ....................................................................................................................................................................14 9.InstructionsforUseInformation ...................................................................................................................................14 10.PackingList......................................................................................................................................................................14 ElectromagneticCompatibilityGuidelines…

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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 2BTF5-ML88-200 ML200, ML160, ML120, ML88 We, Applicant Company Name: Providence Enterprise (Ganzhou)Co., Ltd Address: No.38, Guangming Road, Zhanggong High- Tech Zone, Zhanggong District, Ganzhou Jiangxi Province, P.R. China Phone: +86-755-84654611 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, 2026-04-02 Signature Date Name / Title: Guodong Tu / Manager Company: Providence Enterprise (Ganzhou)Co., Ltd Address: No.38, Guangming Road, Zhanggong High-Tech Zone, Zhanggong District, Ganzhou Jiangxi Province, P.R. China Phone: +86-755-84654611 Fax: N/A 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 2BTF5-ML88-200 ML200, ML160, ML120, ML88 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 Huaxia Testing Technology Co., Ltd Contact Name: Yoyo Zhou Address: 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Phone: +86-755-26648642 Email: [email protected] Signature: Date: 2026-04-01

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 2BTF5-ML88-200 ML200, ML160, ML120, ML88 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, 2026-04-02 Signature Date Name / Title: Guodong Tu / Manager Company: Providence Enterprise (Ganzhou)Co., Ltd Address: No.38, Guangming Road, Zhanggong High-Tech Zone, Zhanggong District, Ganzhou Jiangxi Province, P.R. China Phone: +86-755-84654611 Fax: N/A E-Mail: [email protected]

ProvidenceEnterprise(Ganzhou)Co.,Ltd ModelConfirmationLetter We,ProvidenceEnterprise(Ganzhou)Co.,Ltdcertifytheproduct: LaserHairGrowthSystem ModelNo.:ML200,ML160,ML120,ML88 FCCID:2BTF5-ML88-200 Theirelectricalcircuitdesign,layout,componentsusedandinternalwiringareidentical, ML200;ThemaindifferenceoftheML88modelisthenumberoflaserdiodes.ML200;The numberoflaserdiodescorrespondingtoML88is200respectively.88,ML160;The motherboardofML120isexactlythesameasthatofthemaintestmodelML200,onlythe modelnamesaredifferent.ThemotherboardsoftheML200,ML160andML120models arepoweredbytwo5Vpowersuppliestodrivethelightboard,whiletheML88 motherboardonlyhasone5Vpowersupplytodrivethelightboard.However,the motherboardlayoutisexactlythesameasthatoftheML200. Signiture: GranteeContact:GuodongTu CompanyName:ProvidenceEnterprise(Ganzhou)Co.,Ltd Date:April2,2026

Externalphotos ML200 FCC ID: 2BTF5-ML88-200 ML88

Internalphotos ML200 FCC ID: 2BTF5-ML88-200 Antenna ML188

ShenzhenHuaxiaTestingTechnologyCo.,Ltd 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V05 ReportTemplateRevisionDate:2021-11-03 RFExposureEvaluationReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20251202806E-02 Applicant: ProvidenceEnterprise(Ganzhou)Co.,Ltd AddressofApplicant: No.38,GuangmingRoad,ZhanggongHigh-TechZone,ZhanggongDistrict, GanzhouJiangxiProvince,P.R.China EquipmentUnderTest(EUT): EUTName:LaserHairGrowthSystem ModelNo.:ML200,ML160,ML120,ML88 TestModelNo.:ML200,ML88 BrandName: FCCID:2BTF5-ML88-200 Standards: 47CFRPart1.1307 47CFRPart2.1093 KDB447498D04InterimGeneralRFExposureGuidancev01 DateofReceipt:2025-12-09 DateofTest: 2025-12-09to2025-12-18 DateofIssue:2026-4-1 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20251202806E-02 Page:2of7 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20251202806E-02Rev.01 Initialreport 2026-4-1 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20251202806E-02 Page:3of7 2Contents Page 1VERSION............................................................................................................................................................................2 2CONTENTS........................................................................................................................................................................3 ..................................................................................................................................................................................................3 3GENERALINFORMATION..............................................................................................................................................4 3.1CLIENTINFORMATION...................................................................................................................................................4 3.2GENERALDESCRIPTIONOFEUT...................................................................................................................................4 3.3GENERALDESCRIPTIONOFBLE...................................................................................................................................4 4RFEXPOSUREEVALUATION.......................................................................................................................................5 4.1SAREVALUATIONFORPORTABLECONDITION...........................................................................................................5 4.1.1StandardRequirement......................................................................................................................................5 4.1.2Limits....................................................................................................................................................................5 4.1.3SARExclusionEvaluationResult...................................................................................................................7 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20251202806E-02 Page:4of7 3GeneralInformation 3.1ClientInformation Applicant: ProvidenceEnterprise(Ganzhou)Co.,Ltd AddressofApplicant: No.38,GuangmingRoad,ZhanggongHigh-TechZone,ZhanggongDistrict, GanzhouJiangxiProvince,P.R.China Manufacturer: ProvidenceEnterprise(Ganzhou)Co.,Ltd AddressofManufacturer: No.38,GuangmingRoad,ZhanggongHigh-TechZone,ZhanggongDistrict, GanzhouJiangxiProvince,P.R.China Factory: ProvidenceEnterprise(Ganzhou)Co.,Ltd AddressofFactory: No.38,GuangmingRoad,ZhanggongHigh-TechZone,ZhanggongDistrict, GanzhouJiangxiProvince,P.R.China 3.2GeneralDescriptionofEUT ProductName: LaserHairGrowthSystem ModelNo.: ML200,ML160,ML120,ML88 TestModelNo.: ML200,ML88 TradeMark: SoftwareVersion: V1.0.0 HardwareVersion: V1.2 PowerSupply: Li-ionbatteryDC3.7V3500mAh,ChargebyDC5Vforadapter SimultaneousTransmissionSimultaneousTXissupportedandevaluatedinthisreport. SimultaneousTXisnotsupported. 3.3GeneralDescriptionofBLE OperationFrequency:2402MHz~2480MHz ModulationType:GFSK TransferRate:1Mbps NumberofChannel:40 ProductType:MobilePortableFixLocation AntennaType: PCBantenna AntennaGain: 1.29dBi ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20251202806E-02 Page:5of7 4RFExposureEvaluation 4.1 SAREvaluationforPortablecondition 4.1.1StandardRequirement 447498D04InterimGeneralRFExposureGuidancev01 3.2.SARTestReductionGuidance SARtestreductionprocedures[Glossary]allowusingaparticularsetoftestdataasrepresentative ofother,similar,testconditions.Thismaybeappliedfordatawithindifferenttestpositions(e.g.body, head,extremity),wirelessmodes(e.g.Wi-Fi,cellular),andfrequencybands.Thistestreductionprocess providesfortheuseoftestdataforonespecificchannel,whilereferencingtothosedatafordemonstrating complianceinotherrequiredchannelsforeachtestpositionofanexposurecondition,withintheoperating modeofafrequencyband.Thisislimitedspecificallytowhenthereported1-gor10-gSARforthemid- bandorhighestoutputpowerchannelmeetsanyofthefollowingconditions. 4.1.2Limits SAR-basedthresholdsarederivedbasedonfrequency,power,andseparationdistanceoftheRF source.Theformuladefinesthethresholdsingeneralforeitheravailablemaximumtimeaveragedpoweror maximumtime-averagedERP,whicheverisgreater. IftheERPofadeviceisnoteasilydetermined,suchasforaportabledevicewithasmallform factor,theapplicantmayusetheavailablemaximumtime-averagedpowerexclusivelyifthe deviceantennaorradiatingstructuredoesnotexceedanelectricallengthofλ/4. Asfordeviceswithantennasoflengthgreaterthanλ/4wherethegainisnotwelldefined,but al…

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On-board Antenna Datasheet 1. Detailed dimensional specifications for the on-board antenna 3 . Antenna S parameter 10dB operating bandwidth: 58MHz Center band S11: - 2. Features ·Ultra-small size：2.8*9.95mm ·50 ohm impedance ·Maximum gain: 1.29dBi ·Operates in the 2.4GHz band ·Manufacture：Nanjing Qinheng Microelectronics Co., Ltd [email protected] 4. Antenna impedance and VSWR Center point VSWR: [email protected] · Adress: No. 18, Ningshuang Road, Yuhuatai District, Nanjing City, Jiangsu Province, China FCC ID: 2BTF5-ML88-200 Center frequency point impedance: 50 ohms @ 2.438GHz 5. Antenna gain Maximum directional gain: 1.29dBi E-side Frequency range: 2400 - 2500 MHz

ShenzhenHuaxiaTestingTechnologyCo.,Ltd. 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V05 ReportTemplateRevisionDate:2021-11-03 TestReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonly tothesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20251202806E-01 Applicant: ProvidenceEnterprise(Ganzhou)Co.,Ltd AddressofApplicant: No.38,GuangmingRoad,ZhanggongHigh-TechZone,ZhanggongDistrict, GanzhouJiangxiProvince,P.R.China EquipmentUnderTest(EUT): Product:LaserHairGrowthSystem ModelNo.:ML200,ML160,ML120,ML88 TestModelNo.:ML200,ML88 BrandName: FCCID:2BTF5-ML88-200 Standards:47CFRPart15,SubpartC KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10:2020 DateofReceipt:2025-12-09 DateofTest: 2025-12-09to2025-12-18 DateofIssue:2026-4-1 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20251202806E-01 Page: 2 of 70 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20251202806E-01Rev.01Initialreport2026-4-1 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20251202806E-01 Page: 3 of 70 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement 47CFRPart15,SubpartCSection 15.203/15.247(c) ANSIC63.102020PASS ACPowerLine Conducted Emission 47CFRPart15,SubpartCSection 15.207 ANSIC63.102020PASS ConductedPeakOutput Power 47CFRPart15,SubpartCSection 15.247(b)(3) ANSIC63.102020PASS 6dBOccupied Bandwidth 47CFRPart15,SubpartCSection 15.247(a)(2) ANSIC63.102020PASS PowerSpectralDensity 47CFRPart15,SubpartCSection 15.247(e) ANSIC63.102020PASS Band-edgeforRF ConductedEmissions 47CFRPart15,SubpartCSection 15.247(d) ANSIC63.102020PASS RFConductedSpurious Emissions 47CFRPart15,SubpartCSection 15.247(d) ANSIC63.102020PASS RadiatedSpurious Emissions 47CFRPart15,SubpartCSection 15.205/15.209 ANSIC63.102020PASS Restrictedbandsaround fundamentalfrequency (RadiatedEmission) 47CFRPart15,SubpartCSection 15.205/15.209 ANSIC63.102020PASS ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20251202806E-01 Page: 4 of 70 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..........................................................................................................................19 5.46DBOCCUPYBANDWIDTH........................................................................................................................................24 5.5POWERSPECTRALDENSITY......................................................................................................................................27 5.6BAND-EDGEFORRFCONDUCTEDEMISSIONS.............................................…

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Setupphotos 1Photographs-EUTTestSetup 1.1RadiatedSpuriousEmission 9kHz~30MHz: 30MHz~1GHz: FCC ID: 2BTF5-ML88-200 Above1GHz: 1.2ConductedEmissionsTestSetup 1.3RFConductedmeasurement