2BH64-MAR-22EBluetooth headphone

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

ShenzhenMarkGiftCulturalTechnologyCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 8/27/24 U.S.AgentDesignation [ShenzhenMarkGiftCulturalTechnologyCo.,Ltd.]acknowledgestheirconsentforthefollowingcontact locatedintheUnitedStatestoactastheiragentforserviceofprocessfortheequipmentforwhichauthorization issought(FCCID:[2BH64-MAR-22E]): NameandcompanyofU.S.agent:StoneTradingLimited PhysicalU.S.addressofagent:6547NAcademyBlvd#2266,ColoradoSprings,CO80918,UnitedStates FRNofU.S.agent:0033401936 EmailaddressofU.S.agent:[email protected] [StoneTradingLimited]acknowledgestheirobligationtoacceptserviceofprocessonbehalfof[Shenzhen MarkGiftCulturalTechnologyCo.,Ltd.]. [ShenzhenMarkGiftCulturalTechnologyCo.,Ltd.]withtheFRN[0035783877]acceptsitsobligationto maintainanagentforserviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,orthe conclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheveris later. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirementslistedunder§ 2.911(d)(7). TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB 986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotify theFCCwithin30daysviathegrantingTCB. Sincerely, Signature [Name]AndreZhang [Title]DirectorofOperations [Company]ShenzhenMarkGiftCulturalTechnologyCo.,Ltd. [NameofU.S.agent]DongmeiFang [TitleofU.S.agent]Manager [CompanyofU.S.agent]StoneTradingLimited 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 4

(Shenzhen Mark Gift Cultural Technology Co., Ltd.) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2024-08-27 FCC ID: (2BH64-MAR-22E) Ref. #1: Attestation Statements Part 2.911(d)(5)(i) Filing (“Shenzhen Mark Gift Cultural Technology Co., Ltd.”) 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. Ref. #2: Attestation Statements Part 2.911(d)(5)(ii) Filing (“Shenzhen Mark Gift Cultural Technology Co., Ltd.”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates)as an entity producing “covered” equipment. Applicant: Shenzhen Mark Gift Cultural Technology Co., Ltd. Address: Room 401A, Building D, North District, Shenzhen-Hong Kong Youth Dream Factory, Nanshan Street, Shenzhen, Guangdong, China Contact Person: Andre Zhang Tel.: Director of Operations Email: [email protected] Sincerely, Signature:

InvertedF AntennaSpecification Summary ITEM ANT SPEC ModelName 2.4 GANT Center Frequency HorizontalVertical 2400 MHz2400 MHz2500 MHz2400 MHz2400 MHz2500 MHz -1.26-0.76-0.58-5.25-2.46-1.86 MAX.Gain-0.58dBi Polarization Horizontaland Vertical AzimuthBeam Pattern Omni-directional Impedance 50 Ohm AntennaLength 38.20 mm Manufacture ZHUHAIJIELI TECHNOLOGYCO.,LTD Adress Building9, Jinshi Garden, No . 107 ShihuaWest Road , XiangzhouDistrict, ZhuhaiCity, GuangdongProvince,China AntennaPhoto & Length(mm ) Horizontal: 2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-40Scale:5/div Frequency (MHz) Gain(dB) Max Min Avg 2400-1.26174-30.0801-7.18716 2450-0.765802-36.5604-7.48023 2500-0.585582-22.0315-6.59127 Vertical: 2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-30Scale:5/div Frequency (MHz) Gain(dB) Max Min Avg 2400-5.2537-22.1424-12.4294 2450-2.4652-24.5837-10.4702 2500-1.86120-29.5214-9.20432 ANTTestLabs：AttestationofGlobalComplianceCo.,Ltd. EUTPHOTO BTAntenna

Shenzhen Mark Gift Cultural Technology Co., Ltd. Date:2024-08-27 Product Model Number: MAR-22E-Light, MAR-22E-Flower, MAR-22E-XXX (X=0-9, "X" means 0-9, representing different customer numbers. The product is sold in different regions, and the difference does not affect the safety and electromagnetic compatibility performance of the product.) FCC ID: 2BH64-MAR-22E To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following:  Testing  Approval applications and procedures We declare that ORGANIZATION. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by ORGANIZATION. on our behalf shall have the same effect as acts of our own. By: Contact Listed on FCC Wesbite Title: Director of Operations Email: [email protected] Telephone: 18938951079 On behalf of: Shenzhen Mark Gift Cultural Technology Co., Ltd.

Shenzhen Mark Gift Cultural Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: August 27, 2024 Subject; Request for Confidentiality FCC ID: 2BH64-MAR-22E To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure Software Security Requirements for UNII devices In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Andre Zhang Title: Director of Operations

Page 1 of 6 Report No.: 8231EU013110W-AB ANNEX B EXTERNAL PHOTOS PHOTO 1 PHOTO 2 Page 2 of 6 Report No.: 8231EU013110W-AB PHOTO 3 PHOTO 4 Page 3 of 6 Report No.: 8231EU013110W-AB PHOTO 5 PHOTO 6 Page 4 of 6 Report No.: 8231EU013110W-AB PHOTO 7 PHOTO 8 Page 5 of 6 Report No.: 8231EU013110W-AB PHOTO 9 PHOTO 10 Page 6 of 6 Report No.: 8231EU013110W-AB PHOTO 11 PHOTO 12 --- End ---

Label Location On EUT Label (Size: 64.4*58.7mm)

Page 1 of 3 ReportNo.:8231EU013110W-AC ANNEXCINTERNALPHOTOS PHOTO1 PHOTO2 Page 2 of 3 ReportNo.:8231EU013110W-AC PHOTO3 PHOTO4 Page 3 of 3 ReportNo.:8231EU013110W-AC PHOTO5 PHOTO6 ---End--- BTAntenna

RF EXPOSURE EVALUATION FCC ID: 2BH64-MAR-22E According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in §1.1307(b): Routine SAR evaluation refers to that specifically required by §2.1093, using measurements or computer simulation. When routine SAR evaluation is not required, portable transmitters with output power greater than the applicable low threshold require SAR evaluation to qualify for TCB approval. Mode Channel (MHz) Maximum output power (dBm) Target Power (dBm) Tune up tolerance (dBm) Max Tune Up Power (dBm) Distanc e (mm) Calcula tion results Limit GFSK 2402 -1.15 -1 ±1 0 5 0.310 3 2441 -1.18 -1 ±1 0 5 0.312 3 2480 -2.09 -2 ±1 -1 5 0.250 3 π/4-DQ PSK 2402 0.87 1 ±1 2 5 0.491 3 2441 1.03 2 ±1 3 5 0.623 3 2480 0.05 1 ±1 2 5 0.499 3 Test Results: PASS.

TESTREPORT ReportNo.:8231EU013110W Applicant:ShenzhenMarkGiftCulturalTechnologyCo.,Ltd. Address:Room401A,BuildingD,NorthDistrict,Shenzhen-Hong KongYouthDreamFactory,NanshanStreet,Shenzhen, Guangdong,China ProductName:ShareCakeBluetoothSpeaker ModelNo.:MAR-22E-Light(refertoclause2.4) Trademark:MARTUBE FCCID:2BH64-MAR-22E TestStandard(s):47CFRPart15SubpartC DateofReceipt:Jul.31,2024 TestDate:Jul.31,2024–Aug.07,2024 DateofIssue:Aug.07,2024 ISSUEDBY: SHENZHENEUTESTINGLABORATORYLIMITED Preparedby:ReviewedandApprovedby: _________________________________________ MikeyZhu/EngineerSallyZhang/Manager Page 2 of 44 ReportNo.:8231EU013110W TRFNo.:FCCPart15.247_BT(B01) RevisionRecord ReportVersionIssuedDateDescriptionStatus V0Aug.07,2024OriginalValid Page 3 of 44 ReportNo.:8231EU013110W TRFNo.:FCCPart15.247_BT(B01) TableofContents 1COVERPAGE...................................................................................................................................................1 2GENERALINFORMATION.......................................................................................................................5 2.1APPLICANTINFORMATION...................................................................................................................5 2.2MANUFACTURERINFORMATION..........................................................................................................5 2.3FACTORYINFORMATION.....................................................................................................................5 2.4GENERALDESCRIPTIONOFE.U.T......................................................................................................5 2.5TECHNICALINFORMATIONOFE.U.T...................................................................................................6 3TESTSUMMARY.......................................................................................................................................7 3.1TESTSTANDARD................................................................................................................................7 3.2TESTVERDICT...................................................................................................................................7 3.3TESTLABORATORY............................................................................................................................7 4TESTCONFIGURATION...........................................................................................................................8 4.1TESTENVIRONMENT...........................................................................................................................8 4.2TESTEQUIPMENT...............................................................................................................................8 4.3DESCRIPTIONOFSUPPORTUNIT........................................................................................................9 4.4TESTMODE.......................................................................................................................................9 4.5MEASUREMENTUNCERTAINTY............................................................................................................9 4.6DEVIATIONFROMSTANDARDS..........................................................................................................10 4.7ABNORMALITIESFROMSTANDARDCONDITION.................................................................................10 5TESTITEMS............................................................................................................................................11 5.1ANTENNAREQUIREMENT..................................................................................................................11 5.1.1TestRequirement...............................................................................................................11 5.1.2AntennaAnti-ReplacementConstruction...........................................................................11 5.1.3AntennaGain.....................................................................................................................11 5.2CONDUCTEDEMISSIONATACPOWERLINE.....................................................................................12 5.2.1TestRequirement...............................................................................................................12 5.2.2TestSetupDiagram...........................................................................................................12 5.2.3TestProcedure...................................................................................................................12 5.2.4TestData............................................................................................................................12 5.3OCCUPIEDBANDWIDTH....................................................................................................................15 5.3.1TestRequirement...............................................................................................................15 5.3.2TestSetupDiagram...........................................................................................................15 5.3.3TestProcedure...................................................................................................................16 5.3.4TestData............................................................................................................................16 5.4MAXIMUMCONDUCTEDOUTPUTPOWER...........................................................................................17 5.4.1TestRequirement...............................................................................................................17 5.4.2TestSetupDiagram...........................................................................................................17 5.4.3TestProcedure.................................................................................…

Text truncated - open the document above for the full version.

Page 1 of 50 Report No.: 8231EU013110W-AD ANNEX D TEST DATA For Project No.: 8231EU013110W Client: Shenzhen Mark Gift Cultural Technology Co., Ltd. Product Name: Share Cake Bluetooth Speaker Model No.: MAR-22E-Light FCC ID: 2BH64-MAR-22E Technology: Bluetooth BDR&EDR Test Engineer: Test Date: 2024-08-06 Page 2 of 50 Report No.: 8231EU013110W-AD Test Summary Item Result Duty Cycle Pass Bandwidth Pass Maximum Conducted Output Power Pass Carrier Frequency Separation Pass Number of Hopping Frequencies Pass Time of Occupancy (Dwell Time) Pass Unwanted Emissions In Non-restricted Frequency Bands Pass Page 3 of 50 Report No.: 8231EU013110W-AD 1. Duty Cycle 1.1 Test Result 1.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type T_on (ms) Period (ms) Duty Cycle (%) Duty Cycle Correction Factor (dB) Max. DC Variation (%) GFSK SISO 2402 DH5 2.884 3.749 76.93 1.14 0.01 2441 DH5 2.882 3.751 76.83 1.14 0.03 2480 DH5 2.884 3.749 76.93 1.14 0.03 π/4-DQPSK SISO 2402 2DH5 2.893 3.749 77.17 1.13 0.04 2441 2DH5 2.894 3.750 77.17 1.13 0.03 2480 2DH5 2.894 3.750 77.17 1.13 0.03 Page 4 of 50 Report No.: 8231EU013110W-AD 1.2 Test Graph 1.2.1 Ant1 GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 5 of 50 Report No.: 8231EU013110W-AD GFSK_DH5_HCH_2480MHz_Ant1_NTNV π/4-DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 6 of 50 Report No.: 8231EU013110W-AD π/4-DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV π/4-DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 7 of 50 Report No.: 8231EU013110W-AD 2. Bandwidth 2.1 Test Result 2.1.1 OBW Mode TX Type Frequency (MHz) Packet Type ANT 99% Occupied Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.824 / Pass 2441 DH5 1 0.825 / Pass 2480 DH5 1 0.825 / Pass π/4-DQPSK SISO 2402 2DH5 1 1.175 / Pass 2441 2DH5 1 1.172 / Pass 2480 2DH5 1 1.174 / Pass 2.1.2 20dB BW Mode TX Type Frequency (MHz) Packet Type ANT 20dB Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.937 / Pass 2441 DH5 1 0.935 / Pass 2480 DH5 1 0.938 / Pass π/4-DQPSK SISO 2402 2DH5 1 1.294 / Pass 2441 2DH5 1 1.295 / Pass 2480 2DH5 1 1.295 / Pass Page 8 of 50 Report No.: 8231EU013110W-AD 2.2 Test Graph 2.2.1 OBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 9 of 50 Report No.: 8231EU013110W-AD GFSK_DH5_HCH_2480MHz_Ant1_NTNV π/4-DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 10 of 50 Report No.: 8231EU013110W-AD π/4-DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV π/4-DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 11 of 50 Report No.: 8231EU013110W-AD 2.2.2 20dB BW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 12 of 50 Report No.: 8231EU013110W-AD GFSK_DH5_HCH_2480MHz_Ant1_NTNV π/4-DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 13 of 50 Report No.: 8231EU013110W-AD π/4-DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV π/4-DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 14 of 50 Report No.: 8231EU013110W-AD 3. Maximum Conducted Output Power 3.1 Test Result 3.1.1 Power Mode TX Type Frequency (MHz) Packet Type Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit GFSK SISO 2402 DH5 -1.15 <=30 Pass 2441 DH5 -1.18 <=30 Pass 2480 DH5 -2.09 <=30 Pass π/4-DQPSK SISO 2402 2DH5 0.87 <=20.97 Pass 2441 2DH5 1.03 <=20.97 Pass 2480 2DH5 0.05 <=20.97 Pass Page 15 of 50 Report No.: 8231EU013110W-AD 3.2 Test Graph 3.2.1 Power GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 16 of 50 Report No.: 8231EU013110W-AD GFSK_DH5_HCH_2480MHz_Ant1_NTNV π/4-DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 17 of 50 Report No.: 8231EU013110W-AD π/4-DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV π/4-DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 18 of 50 Report No.: 8231EU013110W-AD 4. Carrier Frequency Separation 4.1 Test Result 4.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Channel Separation (MHz) 20dB Bandwidth (MHz) Limit (MHz) Verdict GFSK SISO HOPP DH5 1.000 0.938 >=0.938 Pass π/4-DQPSK SISO HOPP 2DH5 1.001 1.295 >=0.863 Pass Page 19 of 50 Report No.: 8231EU013110W-AD 4.2 Test Graph 4.2.1 Ant1 GFSK_DH5_HOPP_Ant1_NTNV π/4-DQPSK_2DH5_HOPP_Ant1_NTNV Page 20 of 50 Report No.: 8231EU013110W-AD 5. Number of Hopping Frequencies 5.1 Test Result 5.1.1 HoppNum Mode TX Type Frequency (MHz) Packet Type Num of Hopping Frequencies Verdict ANT1 Limit GFSK SISO HOPP DH5 79 >=15 Pass π/4-DQPSK SISO HOPP 2DH5 79 >=15 Pass Page 21 of 50 Report No.: 8231EU013110W-AD 5.2 Test Graph 5.2.1 HoppNum GFSK_DH5_HOPP_Ant1_NTNV π/4-DQPSK_2DH5_HOPP_Ant1_NTNV Page 22 of 50 Report No.: 8231EU013110W-AD 6. Time of Occupancy (Dwell Time) 6.1 Test Result 6.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Duration of Single Pulse (ms) Observation Period (s) Num of Pulse in Observation Period Dwell Time (ms) Limit (ms) Verdict GFSK SISO HOPP DH1 0.384 31.600 320 122.880 <=400 Pass DH3 1.638 31.600 169 276.822 <=400 Pass DH5 2.888 31.600 107 309.016 <=400 Pass π/4- DQPSK SISO HOPP 2DH1 0.394 31.600 320 126.080 <=400 Pass 2DH3 1.644 31.600 160 263.040 <=400 Pass 2DH5 2.898 31.600 109 315.882 <=400 Pass Page 23 of 50 Report No.: 8231EU013110W-AD 6.2 Test Graph 6.2.1 Ant1 GFSK_DH1_HOPP_Ant1_NTNV GFSK_DH1_HOPP_Ant1_NTNV Page 24 of 50 Report No.: 8231EU013110W-AD GFSK_DH3_HOPP_Ant1_NTNV GFSK_DH3_HOPP_Ant1_NTNV Page 25 of 50 Report No.: 8231EU013110W-AD GFSK_DH5_HOPP_Ant1_NTNV GFSK_DH5_HOPP_Ant1_NTNV Page 26 of 50 Report No.: 8231EU013110W-AD π/4-DQPSK_2DH1_HOPP_Ant1_NTNV π/4-DQPSK_2DH1_HOPP_Ant1_NTNV Page 27 of 50 Report No.: 8231EU013110W-AD π/4-DQPSK_2DH3_HOPP_Ant1_NTNV π/4-DQPSK_2DH3_HOPP_Ant1_NTNV Page 28 of 50 Report No.: 8231EU013110W-AD π/4-DQPSK_2DH5_HOPP_Ant1_NTNV π/4-DQPSK_2DH5_HOPP_Ant1_NTNV Page 29 of 50 Report No.: 8231EU013110W-AD 7. Unwanted Emissions In Non-restricted Frequency Bands 7.1 Test Result 7.1.1 Ref Mode TX Type Frequency (MHz) Packet Type ANT Level of Reference (dBm) GFSK SISO 2402 DH5 1 -1.50 2441 DH5 1 -1.29 2480 DH5 1 -2.31 HOPP DH5 1 -1.28 -1.28 π/4-DQPSK SISO 2402 2DH5 1 -1.84 2441 2DH5 1 -1.61 2480 2DH5 1 -2.64 HOPP 2DH5 1 -1.29 -1.29 Note1: Refer to FCC Part 15.247 (d) and ANSI C63.10-2020, the channel contains the maximum PSD level was used to establish the reference level.…

Text truncated - open the document above for the full version.

Page 1 of 2 ReportNo.:8231EU013110W-AA ANNEXATESTSETUPPHOTOS PHOTO1 PhotoofPowerLine ConductedEmission Test PHOTO2 PhotoofRadiated EmissionTest (Below1GHz) Page 2 of 2 ReportNo.:8231EU013110W-AA PHOTO3 PhotoofRadiated EmissionTest (Above1GHz) ---End---