2AKI8-MZX4100ALTEC Kid Friendly 3n1 Headphone w/Learning MIC and Antimicrobial

-Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user' s authority to operate the equipment.

TOPWAYEMENTERPRISELTD. FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2AKI8-MZX4100 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName BlockDiagram Schematics OperationalDescription Block SCH OperationalDescription Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,Wealsorequestingthe commissiontograntshort-termconfidentialityrequestonthefollowingattachmentsuntil180 daysaftertheGrantDateofEquipmentAuthorizations. ExhibitTypeFileName ManualUsermanual Sincerely, ZHUANGLIANG 2021-2-22

TOPWAYEMENTERPRISELTD. Declarationonmodeldifference Wetheundersignedherebyconfirmthatthesemodelsareidentical,andallmodelshavethe sameRFmoduleandantenna,PCBlayout,schematicsandcomponent.Onlydifferentonmodel numberandcolorofappearance. ProductionnameTrademarkFCCModelno. ALTECKidFriendly3n1 Headphonew/Learning MICandAntimicrobial N/A2AKI8-MZX4100MZX4100,MZX4100-BLUB,MZX4 100-PGRN,MZX4100-BPNK,MZX 4100-APRD,MZX4100-BLKG,MZX 4100-BLU,MZX4100-PNK,20BF12 Confirmedby: ZHUANGLIANG 2021-2-22

TOPWAYEMENTERPRISELTD. FederalCommunicationsCommission AuthorizationandEvaluationDivision 1435OaklandMillsRoad Columbia,MD21046 Date:2021-2-22 SUBJECT:FCCApplicationfor(FCCID:2AKI8-MZX4100) ToWhomItMayConcern: We,theundersigned,herebyauthorizeEMTEK(DONGGUAN)CO.,LTD.atSamLvon ourbehalf,toapplytotheFederalCommunicationsCommissiononourequipment.Any andallactscarriedoutbyEMTEK(DONGGUAN)CO.,LTD.onourbehalfshallhave thesameeffectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,the applicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301ofthe Anti-DrugActof1988,21USC853a,andnopartytotheapplicationissubjecttoadenial offederalbenefitspursuanttothatsection. Regards, Sincerely, ZHUANGLIANG 2021-2-22

FCCID:2AKI8-MZX4100

28.5mm 7.9mm MID# 234MMYY FCC ID:2AKI8-MZX4100 MADE IN CHINA White MID# 234MMYY FCC ID:2AKI8-MZX4100 MADE IN CHINA 25mm 4.9mm MID# 234MMYY MADE IN CHINA White

FCCID:2AKI8-MZX4100 Antenna

RFEXPOSUREEVALUATION EUTSpecification EUTALTECKidFriendly3n1Headphonew/LearningMICand Antimicrobial ModelNumberMZX4100,MZX4100-BLUB,MZX4100-PGRN, MZX4100-BPNK,MZX4100-APRD,MZX4100-BLKG, MZX4100-BLU,MZX4100-PNK,20BF12 FCCID2AKI8-MZX4100 Antennagain(Max)0dBi OperationFrequency2402-2480MHz InputRatingDC3.7VBattery ClassificationPer StipulatedTestStandard §15.247(i),§2.1093 KindofDevice:BluetoothVer.5.0 ModulationBT:(GFSK,π/4-DQPSK,8DPSK) Max.outputpowerBT:-3.31dBm(0.000467W) TestRequirement: Accordingto§15.247(i)and§1.1307(b)(1),systemsoperatingunderthe provisionsofthissectionshallbeoperatedinamannerthatensuresthatthe publicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines. RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualityforTCBapproval. OneantennaisavailablefortheEUT.Theminimumseparationdistanceis 5mm. BTDSS: Transmit Frequency (MHz) Mode Measure dPower (dBm) Tune upPower (dBm) Maxtuneup power(dBm) Calculation Result 1-g SAR 2.402GFSK-4.36-4±1-3 0.1553519 3 2.441GFSK-4.23-4±1-3 0.1566080 3 2.480GFSK-4.74-4±1-30.15785413 2.402 Π/4-DQ PSK -3.66 -4±1-3 0.1553519 3 2.441 Π/4-DQ PSK -3.64 -4±1-3 0.1566080 3 2.480 Π/4-DQ PSK -3.99 -4±1-3 0.1578541 3 2.4028DPSK-3.31-4±1-3 0.1553519 3 2.4418DPSK-3.44-4±1-3 0.1566080 3 2.4808DPSK-3.59-4±1-30.15785413 AccordingtoKDB447498,nostand-alonerequiredforBTantenna,andno simultaneousSARmeasurementisrequired. Signature: SamLv Date:2021-01-26

Report No. ES210121018WPage 1 of 70 Ver.1.0 TEST REPORT Product Name ： ALTEC Kid Friendly 3n1 Headphone w/Learning MIC and Antimicrobial Model Number ： MZX4100, MZX4100-BLUB, MZX4100-PGRN, MZX4100-BPNK, MZX4100-APRD, MZX4100-BLKG, MZX4100-BLU, MZX4100-PNK, 20BF12 FCC ID ： 2AKI8-MZX4100 Prepared for:TOPWAY EM ENTERPRISE LIMITED Address:8F BLOCK B BUILDING 6 BAONENG S & T PARK LONG HUA SHENZHEN GD China Prepared by:EMTEK (SHENZHEN) CO., LTD. Address:Building 69, Majialong Industry Zone, Nanshan District, Shenzhen, Guangdong, China Tel: (0755) 26954280 Fax: (0755) 26954282 Report Number:ES210121018W Date(s) of Tests:January 21, 2021 to February 24, 2021 Date of issue:February 24, 2021 $二维码$ Report No. ES210121018WPage 2 of 70 Ver.1.0 VERIFICATION OF COMPLIANCE Applicant: TOPWAY EM ENTERPRISE LIMITED Manufacturer: TOPWAY EM ENTERPRISE LIMITED Factory: Shenzhen Jia Hua Li Dian Zi You Xian Gong Si Product Description: ALTEC Kid Friendly 3n1 Headphone w/Learning MIC and Antimicrobial Trade Mark:N/A Model Number: MZX4100, MZX4100-BLUB, MZX4100-PGRN, MZX4100-BPNK, MZX4100-APRD, MZX4100-BLKG, MZX4100-BLU, MZX4100-PNK, 20BF12 We hereby certify that: The above equipment was tested by EMTEK(SHENZHEN) CO., LTD. The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C63.10-2013 and the energy emitted by the sample EUT tested as described in this report is in compliance with conducted and radiated emission limits of FCC Rules Part 15.247(2018). Date of Test: January 21, 2021 to February 24, 2021 Prepared by: Loren Luo /Editor Reviewer: Tim Dong /Supervisor Approved & Authorized Signer : Lisa Wang /Manager Report No. ES210121018WPage 3 of 70 Ver.1.0 Modified Information VersionSummaryRevision DateReport No. Ver.1.0Original Report February 24, 2021 ES210121018W Report No. ES210121018WPage 4 of 70 Ver.1.0 Table of Contents TEST REPORT ................................................................................................................................................................................ 1 1. GENERAL INFORMATION ....................................................................................................................................................... 6 1.1 PRODUCTDESCRIPTION ......................................................................................................................................................... 6 1.2 TESTMETHODOLOGY .............................................................................................................................................................. 7 1.3 TESTFACILITY ......................................................................................................................................................................... 8 2. SYSTEM TEST CONFIGURATION ......................................................................................................................................... 9 2.1. EUT CONFIGURATION ........................................................................................................................................................... 9 2.2. EUT EXERCISE ...................................................................................................................................................................... 9 2.3. TESTPROCEDURE .................................................................................................................................................................. 9 2.4. CONFIGURATION OFTESTEDSYSTEM ................................................................................................................................. 10 3. SUMMARY OF TEST RESULTS ............................................................................................................................................ 11 4. DESCRIPTION OF TEST MODES ......................................................................................................................................... 12 5. FREQUENCY HOPPING SYSTEM REQUIREMENTS ...................................................................................................... 13 5.1. Standard Applicable .............................................................................................................................................................. 13 5.2. EUT Pseudorandom Frequency Hopping Sequence ............................................................................................................. 13 5.3. Equal Hopping Frequency Use .............................................................................................................................................. 14 5.4. Frequency Hopping System ................................................................................................................................................... 14 6. TEST SYSTEM UNCERTAINTY ............................................................................................................................................ 16 7. CONDUCTED EMISSIONS TEST .......................................................................................................................................... 17 7.1. Measurement Procedure: ..................................................................................................................................................... 17 7.2. Test SET-UP (Block Diagram of Configuration) ...................................................................................................................... 17 7.3. Measurement Equipment Used: ........................................................................................................................................... 17 7.4. Measurement Result: ............................................................................................................................................................ 17 8. RA…

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FCCID:2AKI8-MZX4100