2A7UF-TK-118Bluetooth speaker

User Manual ISB354B PORTABLE BATTERY SPEAKER REMOTE CONTROL 1.Press and holdto begin pairing manually 2.Play/ Pause 3.button 4.Number Pad 5.Press to switch source mode 6.Mute button 7. olume +/- 10.Single Repeat(For USB card playing mode) 11.TWS button EQ sound effect mode Previous 8.Next 9.V 1 2 3 4 5 6 8 7 9 11 10 1 2 Control Panel Function POWER SOURCE 1.Please charge the unit at least 4 hours before first time using. 2. Twist the dial clockwise/anticlockwise to switch on/off the unit. CHARGE THE BATTERY When the battery is charging, the CHARGE STATUS lights shows on the LED display is red. After the battery has fully charged, the light turns off. 1. Connect the USB charge cable to the DC5V interface of the speaker firmly. 2. When the battery is fully charged, please disconnect the USB charge cable from the speaker. 3.The speaker works normally when charging. POWER/VOLUME Twist the dial clockwise/anticlockwise to increase/discrease the volume. PREVIOUS/NEXT BUTTON Under playing status, press PREVIOUS/NEXT button to get back to a previous or next song. Long press to turn on/off light. Lightly press to enter into playing mode selection(Bluetooth,FM Radio,AUX Input, USB). AUX IN JACK 1. Connect an audio cable to the AUX IN JACK of the speaker and to the audio output socket on the external audio devices such as MP3 player, discman, etc,then select AUX by pressing the button on the control panel . 2.Play from an external audio device. MIC IN JACK Plug in microphone directly for playing. USB JACK Insert USB card directly for playing. Bluetooth: Long press button on control panel to select Bluetooth mode. Simultaneously open the Bluetooth setting on your phone, tablet or any other bluetooth enabled audio device and select "ISB354"(no need to match code), the unit and device will then connected via Bluetooth. Press the "NEXT SONG" and "PREVIOUS SONG" button on the control panel to select the song, press " PLAY/PAUSE" button to control the playing status. Play / Pause / Pair Source / LEDs Source / LEDs Press to play / pause a track. Press and hold for 3 seconds to manually pair to a Bluetooth device. LIGHT / MODE SPECIFICATIONS Power Output: 10W Frequency Response for main speaker: 50Hz-20KHz Power Supply: DC5V 1.LED Display TF 2.Power / Volume Wheel : Turn to power ON / OFF and adjust volume level 3. 11.DC Power Input : Use to charge the internal battery and power the speake Charge time is approximately 4 hours Microphone Input 4.Aux in ( 3 . 5mm Input ) 5. 6.USB Media Port 7.LIGHT / MODE : Press to change audio source between Bluetooth , Aux in , USB. Press and hold to turn LED lights ON / OFF 8.Previous : Press to replay previous track(Press and hold for 10 seconds to turn voice prompts on/off). 9.Play / Pause / Pair : Press to play / pause a track, Press and hold for 3 seconds to manually pair to a Bluetooth device. 10.Next / Tws : Press to skip to next track .Press and hold for 3 seconds to enter Party Plus mode which will allow this speaker to pair with another ISB354 speaker for True Wireless stereo. 12.Charging Status LED : Solid red light when charging . When the unit is fully charged , the light will turn off . card input 1 2 3 4 579681011 12 FCC WARNING This device complies with part 15 of the FCC Rules. Operation is subject to the follow ing two conditions : (1) this device may not cause harmful interference, and (2) this device must accept any interference received, inc luding interference that may cause undesired operation. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residentia l installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or televis ion reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technic ian for help. To maintain compliance with FCC’s RF Exposure guidelines, This equipment should be insta lled and operated with minimum distance between 20cm the radiator your body: Use only the supplied antenna.

QINGYUANRUIMAELECTRONICSCO.,LIMITED 2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Section2.911(d)(5)(i)Certification–EquipmentType Companyname:QINGYUANRUIMAELECTRONICSCO.,LIMITED Address:5THFLOOR,NO.17BUILDING,NO.12TAIKIINDUSTRIALCITY,LONGTANGTOWN, QINGCHENGDISTRICT,QINGYUAN,China ProductName:Bluetoothspeaker FCCID:2A7UF-TK-118 Model(s):TK-118,ISB354B 2.911(d)(5)(i)EquipmentType We,[QINGYUANRUIMAELECTRONICSCO.,LIMITED](“theapplicant”)certifythattheequipment forwhichauthorizationissoughtthroughcertificationisnot:  Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules.  Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:WadeZengDate:2024.6.21 TitleandCompanyname:Owner/QINGYUANRUIMAELECTRONICSCO.,LIMITED NOTE1 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

QINGYUANRUIMAELECTRONICSCO.,LIMITED 2.911(d)(5)(ii)ApplicantAttestationv1.3 Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:QINGYUANRUIMAELECTRONICSCO.,LIMITED Address:5THFLOOR,NO.17BUILDING,NO.12TAIKIINDUSTRIALCITY,LONGTANGTOWN, QINGCHENGDISTRICT,QINGYUAN,China ProductName:Bluetoothspeaker FCCID:2A7UF-TK-118 Model(s):TK-118,ISB354B 2.911(d)(5)(ii)Applicantfiling We,[QINGYUANRUIMAELECTRONICSCO.,LIMITED](“theapplicant”)certifythat,asofthedate ofthefilingoftheapplication,theapplicantisnotidentified NOTE1 onthe“CoveredList” NOTE2 , establishedpursuantto§1.50002ofthischapter,asanentityproducingcoveredcommunications equipment. Yourssincerely, Name:WadeZengDate:2024.6.21 TitleandCompanyname:Owner/QINGYUANRUIMAELECTRONICSCO.,LIMITED NOTE1 Deleteoptionnotapplicabletothisapplication. NOTE2 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

QINGYUANRUIMAELECTRONICSCO.,LIMITED AgentAuthorization Company:QINGYUANRUIMAELECTRONICSCO.,LIMITED Address:5THFLOOR,NO.17BUILDING,NO.12TAIKIINDUSTRIALCITY, LONGTANGTOWN,QINGCHENGDISTRICT,QINGYUAN,China ProductName:Bluetoothspeaker ModelNumber(s):TK-118,ISB354B ProductDescription:Bluetoothspeaker WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2024.6.21 Name:WadeZeng Title:Owner Company:QINGYUANRUIMAELECTRONICSCO.,LIMITED

QINGYUANRUIMAELECTRONICSCO.,LIMITED. ModelDifference Productdescription:Bluetoothspeaker Modelname:TK-118 ISB354B TradeName:OEMBRAND AllthemodelarethesamecircuitandRFmodule,exceptformodelname. Regards Sincerely Client’ssignature: Client’sname/title:WadeZeng/Owner Contactinformation/address:5THFLOOR,NO.17BUILDING,NO.12TAIKI INDUSTRIALCITY,LONGTANGTOWN,QINGCHENGDISTRICT,QINGYUAN,CHINA

QINGYUANRUIMAELECTRONICSCO.,LIMITED OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024.6.21 Subject;RequestforConfidentiality FCCID:2A7UF-TK-118 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:WadeZeng Title:Owner

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Labelandlabellocation 5cm 3cm Bluetoothspeaker FCCID:2A7UF-TK-118

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FCCID:2A7UF-TK-118 RFExposureEvaluation Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactofhumanexposure toradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE) Frequencyrange (MHz) Electricfield strength (V/m) Magneticfieldstrength (A/m) Powerdensity (mW/cm 2 ) Averagingtime (minutes) (A)LimitsforOccupational/ControlledExposures 0.3–3.06141.63*(100)6 3.0–301842/f4.89/f*(900/f 2 )6 30–30061.40.1631.06 300–1500f/3006 1500–100,00056 (B)LimitsforGeneralPopulation/UncontrolledExposure 0.3–1.346141.63*(100)30 1.34–30824/f2.19/f*(180/f 2 )30 30–30027.50.0730.230 300–1500f/150030 1500–100,0001.030 f=frequencyinMHz Friistransmissionformula:Pd=(Pout*G)/(4*pi*r 2 ) Where Pd=powerdensityinmW/cm 2 ,Pout=outputpowertoantennainmW; G=gainofantennainlinearscale,Pi=3.1416; R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm 2 .Ifweknowthemaximumgainoftheantennaandthetotalpowerinputto theantenna,throughthecalculation,wewillknowthedistancerwheretheMPElimitisreached. TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleandhighest channelindividually. TestResultofRFExposureEvaluation EDRmode Mode Outputpower toantenna (dBm) Outputpowerto antenna(mW) PowerDensityat R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result GFSK7.4425.550.0016901.0PASS π/4-DQPSK 7.7816.000.0018271.0PASS 8-DPSK7.9086.180.0018821.0PASS Remark:antennagain=-0.58dBi

Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dB Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture GUANGZHOU SHENHENG TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.58558-22 2.0315- 6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.465-22 4.583-71 0.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

ProjectNo.:ZKT-2406056275E Page 1 of 77 FCCTESTREPORT FCCID:2A7UF-TK-118 ReportNumber. .................................... :ZKT-2406056275E DateofTest ...................................................... :Apr15,2024toJun.17,2024 Dateofissue.........................................:Jun.17,2024 Totalnumberofpages.........................77 TestResult .......................................... : PASS TestingLaboratory...........................: ShenzhenZKTTechnologyCo.,Ltd. Address ............................................... : 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname.............................: QINGYUANRUIMAELECTRONICSCO.,LIMITED Address...............................................: 5THFLOOR,NO.17BUILDING,NO.12TAIKIINDUSTRIAL CITY,LONGTANGTOWN,QINGCHENG DISTRICT,QINGYUAN,CHINA Manufacturer'sname......................: QINGYUANRUIMAELECTRONICSCO.,LIMITED Address...............................................: 5THFLOOR,NO.17BUILDING,NO.12TAIKIINDUSTRIAL CITY,LONGTANGTOWN,QINGCHENG DISTRICT,QINGYUAN,CHINA Testspecification: Standard................................................: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 Testprocedure ..................................... : / Non-standardtestmethod ................ :N/A TestReportFormNo. ....................... : TRF-EL-112_V0 TestReportForm(s)Originator ..... : ZKTTesting MasterTRF........................................: Dated:2021-04-22 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname ..................................... :Bluetoothspeaker Trademark...........................................:OEMBRAND Model/Typereference.........................:TK-118 ISB354B Ratings..................................................: Input:5V1A Battery:3.7V,3600mAh ProjectNo.:ZKT-2406056275E Page 2 of 77 Testingprocedureandtestinglocation: TestingLaboratory ....................................... :ShenzhenZKTTechnologyCo.,Ltd. Address............................................................:1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China Jim.Liu Testedby(name+signature).......................: Jackson.Fang Reviewer(name+signature).......................: LakeXie Approved(name+signature) ....................... : ProjectNo.:ZKT-2406056275E Page 3 of 77 TableofContents Page 1.VERSION..................................................................................................................................5 2.TESTSUMMARY...................................................................................................................6 2.1TESTFACILITY.........................................................................................................................7 2.2MEASUREMENTUNCERTAINTY......................................................................................7 3.GENERALINFORMATION..................................................................................................8 3.1GENERALDESCRIPTIONOFEUT...................................................................................8 3.2TestSetupConfiguration......................................................................................................10 3.3SupportEquipment.................................................................................................................10 3.4TestMode.................................................................................................................................11 3.5EQUIPMENTSLISTFORALLTESTITEMS................................................................12 4.EMCEMISSIONTEST........................................................................................................14 4.1Conductedemissions............................................................................................................14 4.1.1POWERLINECONDUCTEDEMISSIONLimits.......................................................14 4.1.2TESTPROCEDURE..........................................................................................................14 4.1.3DEVIATIONFROMTESTSTANDARD.......................................................................14 4.1.4TESTSETUP.......................................................................................................................15 4.1.5EUTOPERATINGCONDITIONS..................................................................................15 4.1.6TestResult............................................................................................................................16 4.2Radiatedemissions................................................................................................................18 4.2.1RadiatedEmissionLimits.................................................................................................18 4.2.2TESTPROCEDURE..........................................................................................................18 4.2.3DEVIATIONFROMTESTSTANDARD.......................................................................19 4.2.4TESTSETUP.......................................................................................................................19 4.2.5EUTOPERATINGCONDITIONS..................................................................................20 4.2.6TESTRESULTS..................................................................................................................21 5.RADIATEDBANDEMISSIONMEASUREMENT........................................................29 5.1TestRequirement:...................................................…

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