2AXPW-MD002TWS Bluetooth Headset

FCC ID:2AXPW-MD002

FCC ID: 2AXPW-MD002 Product Name: TWS Bluetooth Headset Model：MD002 The device have left and right earphones ， the left and right earphones are Electrically identical. <Signature> : Name: Yifeng zhang Title: CEO Company: Shenzhen Moldull Acoustic Technology

Shenzhen Moldull Acoustic Technology Date: 2020-11-20 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AXPW-MD002 Product Name: TWS Bluetooth Headset Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commission’s rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...) • Schematics • Block diagram • Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. <Signature> : Name: Yifeng zhang Title: CEO Company: Shenzhen Moldull Acoustic Technology

DATE:2020-11-20 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act asAgent On our behalf, I appoinKSIGN(Guangdong) Testing Co., Ltd(Name of Agent company name andaddress) to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonourbehalf,Iack nowledgethatallresponsibilityforcomplyingwiththetermsandconditionsforcertification,stillres ideswith Shenzhen Moldull Acoustic Technology(Applicant Nameandaddress) <Signature> : Name: Yifeng zhang Title: CEO Company: Shenzhen Moldull Acoustic Technology

ExternalPhotographs

InternalPhotographs

KSIGN(Guangdong)TestingCo.,Ltd. WestSideof1/F.,BuildingC,ZoneA,FuyuanNewFactory,JiujiuIndustrialPark, Minzhu,Shatou,Shajing,Bao'anDistrict,Shenzhen,Guangdong,People’sRepublicofChina Tel.:+(86)755-29852678Fax:+(86)755-29852397E-mail:[email protected]:www.gdksign.com KSIGN(Guangdong)TestingCo.,Ltd. RFExposureEvaluation FCCID:2AXPW-MD002 REQUIREMENT KDB447498D01GeneralRFExposureGuidancev06,Clause4.3.1(a) [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)]·[√f(GHz)]≤3.0 Where -f(GHz)istheRFchanneltransmitfrequencyinGHz -PoweranddistanceareroundedtothenearestmWandmmbeforecalculation -Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm,andfortransmission frequenciesbetween100MHzand6GHz.Whentheminimumtestseparationdistanceis<5mm,adistanceof5mm accordingto4.1f)isappliedtodetermineSARtestexclusion. TESTRESULT PassedNotApplicable BTBLE Testmode Channel Frequency (MHz) Max. Measured Power (dBm) Tuneup tolerance (dBm) Max. Tuneup Power (dBm) Maximum Output Power (mW) Calculating data LimitResults GFSK 2402 -2.16-2.16 ±1-1.160.770.24 3.00Pass2440 -2.4 -2.4±1-1.40.720.23 2480 -2.22 -2.22 ±1-1.220.760.24 BTEDR Testmode Channel Frequency (MHz) Max. Measured Power (dBm) Tuneup tolerance (dBm) Max. Tuneup Power (dBm) Maximum Output Power (mW) Calculating data LimitResults DH5 2402 -2.09-2.09 ±1 -1.09 0.780.24 3.00Pass2441 -2.29-2.29 ±1 -1.29 0.740.23 2480 -2.18 -2.18±1 -1.18 0.760.24 KSIGN(Guangdong)TestingCo.,Ltd. WestSideof1/F.,BuildingC,ZoneA,FuyuanNewFactory,JiujiuIndustrialPark, Minzhu,Shatou,Shajing,Bao'anDistrict,Shenzhen,Guangdong,People’sRepublicofChina Tel.:+(86)755-29852678Fax:+(86)755-29852397E-mail:[email protected]:www.gdksign.com KSIGN(Guangdong)TestingCo.,Ltd. Testmode Channel Frequency (MHz) Max. Measured Power (dBm) Tuneup tolerance (dBm) Max. Tuneup Power (dBm) Maximum Output Power (mW) Calculating data LimitResults 2DH5 2402 -1.46-1.46 ±1-0.460.900.28 3.00Pass2441 -1.7 -1.7±1-0.70.850.27 2480 -1.34 -1.34 ±1-0.340.920.29 Testmode Channel Frequency (MHz) Max. Measured Power (dBm) Tuneup tolerance (dBm) Max. Tuneup Power (dBm) Maximum Output Power (mW) Calculating data LimitResults 3DH5 2402 -1.13 -1.13 ±1-0.130.970.30 3.00Pass 2441 -1.56-1.56 ±1-0.560.880.27 2480 -1.4-1.4 ±1-0.40.910.29 Note: -Themaximumantennagainis3.5dBi -Theexposuresafetydistanceislessthan5mm. **********************THEEND**********************

l(KSIEi旷 KSIGN (Guangd叫） Tes问Co., Ltd. ‘West Side of 仰 ， BuildingC, Zone A, Fuyuan New Factory, Jiujiu Industrial Park, - Minzhu,Shatou, Shajing, Bao ’ an District, Shenzhe门，Guangdong,People ’ s Republic of China Tel.: + (86)755-29852678 Fax: + (86)755-29852397巳mail：’[email protected]: www.gdksign.com TEST REPORT Rep。rtN。........................................: KS2009S01084E01 FC C ID································...... : 2AXPW-MD002 Applicant ......................................... : Shenzhen Moldull Acoustic Techn。l。gy Address ........................................... : 403 Huiyi Wealth Center No.9, Zhongxin Road, Dalang, Longhua New Area, Shenzhen City,Guangdong Province.China Manufacturer. ..................................... : Shenzhen Moldull Acoustic Technology Address.. . ....................................... : 403比1iyiWealth Center No.9, Zhongxin Road, Dalang, Longhua New Area, Shenzhen City,Guangdong Province,China Facto「y.. ... .. .. .. . . . . . ... ... .... . .. ..... .... ........ Shenzhen Moldull Acoustic Technology Address ........................................... : 403 Huiyi叭／ealthCenter No.9, Zhongxin Road, Dalang, Longhua New Area, Shenzhen City,Guangdong Province,China Product Name ................................. : TWS Blueto。th Headset Trade Mark. ... M0LDU LL 魔都 Model/Type reference . . . .. ....... .. .. .. .. MD002 Listed Model(s) ...... . Standard .......................”..............·...： FC C CFR Title 47 Part 15 Subpart C Section 15.247 Date of Receipt ................................ : Sep. 16, 2020 Date of Test Date ............................. : Sep.才6, 2020-Sep. 28, 2020 Date of issue ................................... : Sep. 28, 2020 Test result ....................................... : ·Pass Compiled by: (Printed name+signature) Rory Huang Supervised by: ( Printed name+signature) Kelly Cheng A ppro ved b y: ( Printed name+signature) Cary Luo Testing Laborat。叩Name.. KSIGN(Guangdong) Testing Co., Ltd. Address .... We st Side of 1/F., Building C, Zone A, Fuyuan New Factory, Jiujiu Industrial Park, Minzhu,Shatou, Shajing, Bao ’ an District, Shenzhen, Guanqdonq, People ’ s Republic of China This test report may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The client should not use it to claim product endo「sementby KSIGN. The test results in the report only apply to the tested sample. The test report shall be invalid without all the signatures of testing engineers, reviewer and approver. Any objections must be raised to KSIGN within 15 days since the date when the report is received. It will not be taken into consideration beyond this limit. The test report merely c。rrespondto the test sample. Page 2 of 66 ReportNo.：KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. TABLEOFCONTENTSPage 1.TESTSUMMARY ....................................................................................................................................................................... 3 1.1. TESTSTANDARDS ................................................................................................................................................................... 3 1.2.REPORTVERSION ................................................................................................................................................................... 3 1.3.TESTDESCRIPTION ................................................................................................................................................................. 4 1.4. TESTFACILITY ........................................................................................................................................................................ 5 1.5.MEASUREMENTUNCERTAINTY ................................................................................................................................................. 6 1.6.ENVIRONMENTALCONDITIONS ................................................................................................................................................. 6 2.GENERALINFORMATION ......................................................................................................................................................... 7 2.1. CLIENTINFORMATION ............................................................................................................................................................ 7 2.2.GENERALDESCRIPTIONOFEUT ............................................................................................................................................... 7 2.3.OPERATIONSTATE .................................................................................................................................................................. 8 2.4. MEASUREMENTINSTRUMENTSLIST ........................................................................................................................................... 9 2.5.TESTSOFTWARE ................................................................................................................................................................... 10 3.TESTITEMANDRESULTS ........................................................................................................................................................ 11 3.1. ANTENNAREQUIREMENT ....................................................................................................................................................... 11 3.2. CONDUCTEDEMISSION ......................................................................................................................................................... 12 3.3.BANDEDGEANDSPURIOUSEMISSION(CONDUCTED) ................................................................................................................. 29 3.4.6DBBANDWIDTH ...............................…

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Page 49 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 50 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 51 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 52 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 53 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. InternalPhotographs Page 54 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 55 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 56 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 57 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 58 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 59 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 60 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 61 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 62 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 63 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 64 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 65 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 66 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. ******THEEND******

Page 31 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 32 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. 3.8.SpuriousEmission(Radiated) Limit RadiatedEmissionLimits(9kHz~1000MHz) Frequency (MHz) FieldStrength (microvolt/meter) MeasurementDistance (meters) 0.009~0.4902400/F(KHz)300 0.490~1.70524000/F(KHz)30 1.705~30.03030 30~881003 88~2161503 216~9602003 Above9605003 RadiatedEmissionLimit(Above1000MHz) Frequency (MHz) DistanceMeters(at3m) PeakAverage Above10007454 Note: (1)Thetighterlimitappliesatthebandedges. (2)EmissionLevel(dBuV/m)=20logEmissionLevel(uV/m). TestConfiguration Below30MHzTestSetup Page 33 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Below1000MHzTestSetup Below1000MHzTestSetup Above1GHzTestSetup TestProcedure 1.TheEUTwassetupandtestedaccordingtoANSIC63.10:2013 2.TheEUTisplacedonaturntablewhichis0.8meterabovegroundforbelow1GHz,and1.5mforabove1 GHz.Theturntableisrotated360degreestodeterminethepositionofthemaximumemissionlevel. 3.TheEUTwasset3metersfromthereceivingantenna,whichwasmountedonthetopofavariableheight antennatower. 4.Foreachsuspectedemission,theEUTwasarrangedtoitsworstcaseandthentunetheAntennatower (from1mto4m)andturntable(from0degreeto360degrees)tofindthemaximumreading.Apre-amp andahighpassfilterareusedforthetestinordertogetbettersignalleveltocomplywiththeguidelines. 5.SettothemaximumpowersettingandenabletheEUTtransmitcontinuously. 6.Usethefollowingspectrumanalyzersettings (1)Spanshallwideenoughtofullycapturetheemissionbeingmeasured; (2)Below1GHz: RBW=120kHz,VBW=300kHz,Sweep=auto,Detectorfunction=peak,Trace=maxhold; IftheemissionleveloftheEUTmeasuredbythepeakdetectoris3dBlowerthantheapplicablelimit,the peakemissionlevelwillbereported.Otherwise,theemissionmeasurementwillberepeatedusingthe quasi-peakdetectorandreported. (3)From1GHzto10 th harmonic: RBW=1MHz,VBW=3MHzPeakdetectorforPeakvalue. RBW=1MHz,VBW=10HzPeakdetectorforAveragevalue. Page 34 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. TestMode Pleaserefertotheclause2.3. TestResult 9KHz~30MHzand18GHz~25GHz From9KHz~30MHzand18GHz~25GHz:Conclusion:PASS Note: 1)Measurement=Readinglevel+CorrectFactor CorrectFactor=AntennaFactor+CableLoss-PreamplifierFactor 2)Thepeaklevelislowerthanaveragelimit(54dBuV/m),thisdataisthetooweakinstrumentofsignalis unabletotest. 3)Theemissionlevelsofotherfrequenciesareverylowerthanthelimitandnotshowintestreport. 4)Theamplitudeofspuriousemissionswhichareattenuatedbymorethan20dBbelowthepermissiblevalue hasnoneedtobereported. 5)Pre-scanCH00,CH19andCH39modulation,andfoundtheCH00whichitisworsecasefor30MHz-1GHz, soonlyshowthetestdataforworsecase. BELOW30MHZ Noemissionfoundbetweenlowestinternalused/generatedfrequenciesto30MHz. Page 35 of 66 Report No.:KS2009S01084E01 KSIGN(Guangdong) Testing Co., Ltd. 30MHz-1GHz Test Voltage:DC 3.7V Ant. Pol.Horizontal Test Mode:TX 2402MHz Emission Level= Read Level+ Correct Factor Page 36 of 66 Report No.:KS2009S01084E01 KSIGN(Guangdong) Testing Co., Ltd. Test Voltage:DC 3.7V Ant. Pol.Vertical Test Mode:TX 2402MHz Emission Level= Read Level+ Correct Factor Page 37 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Adobe1GHz TestVoltage:DC3.7V Ant.Pol.Horizontal TestMode:TXBLEMode2402MHz EmissionLevel=ReadLevel+CorrectFactor Page 38 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. TestVoltage:DC3.7V Ant.Pol.Vertical TestMode:TXBLEMode2402MHz EmissionLevel=ReadLevel+CorrectFactor Page 39 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. TestVoltage:DC3.7V Ant.Pol.Horizontal TestMode:TXBLEMode2440MHz EmissionLevel=ReadLevel+CorrectFactor Page 40 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. TestVoltage:DC3.7V Ant.Pol.Vertical TestMode:TXBLEMode2440MHz EmissionLevel=ReadLevel+CorrectFactor Page 41 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. TestVoltage:DC3.7V Ant.Pol.Horizontal TestMode:TXBLEMode2480MHz EmissionLevel=ReadLevel+CorrectFactor Page 42 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. TestVoltage:DC3.7V Ant.Pol.Vertical TestMode:TXBLEMode2480MHz EmissionLevel=ReadLevel+CorrectFactor Note:Themainfrequencyhasbeenscreenedbythefilter. Page 43 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. 4.EUTTESTPHOTOS RadiatedMeasurement(Below1GHz) RadiatedMeasurement(Above1GHz) Page 44 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. ConductedEmission RFConducted Page 45 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. 5.PHOTOGRAPHSOFEUTCONSTRUCTIONAL ExternalPhotographs Page 46 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 47 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd. Page 48 of 66 ReportNo.:KS2009S01084E01 KSIGN(Guangdong)TestingCo.,Ltd.

TestSetup RadiatedMeasurement(Below1GHz) RadiatedMeasurement(Above1GHz) ConductedEmission RFConducted