2A6C9-BT304BWireless Keyboard

Esc Backspace Status Display LED ● Connect : Please turn on the power at the bottom of the keypad, red lights up 3s, press the Bluetooth connection button 3s, red light will twinkle and into the match mode quickly. ● Low Voltage Indicator : When the voltage is below 3.3V, red light twinkles. ● Charging Indicator: Red light is always on. ● Full Charge Indicator: Red light off. ● NUMLOCK Indicator: Blue light on. Keyboard Maintenance 1.Please keep the keypad away from liquid or humid environment, swimming pool, steam room and don't let the keyboard get wet in the rain. 2. Please don't expose the keypad at too high or too low temperature condition. 3. Please don't put keypad under sun for a long time. 4. Please don't put keypad close to the flame,such as cooking stoves candles or fireplace. 5. Avoid sharp objects scratching products,timely to recharge products to ensure the normal use. 6. Do not open or repair this device,Do not use the device in a damp environment. Clean the device with a dry cloth. Technical Specifications: Keyboard Size: 135*88.5*19mm Weight: 93g Standby Current: 3.0mA(light on) Working Distance: 8m Sleep Current: 60uA Keyboard Layout: 22 Keys Sleep Time: 30 minutes Working Voltage: 3.3~4.2V Awaken Way : Press any key Working Current: 0.5~5mA FAQS: Q1: Does this keypad come with a USB Receiver/USB Dongle? A1: No, it’s a Bluetooth keypad. Q2: Can the wireless keypad work directly via the type-c cable? A2: No. It only works via Bluetooth. The included Type-c cable is only for charging. Q3: Does it require a battery? A3: No batteries required. It has a built-in rechargeable battery. Q4: Is there any indicator when the keypad is fully charged? A4: Yes. The light is red when charging, the red light goes off when the keypad is fully charged. And the charging cable is only for charging. Q5: Battery Issue, the keypad won't keep charging, what should I do? A5: 1). Please don't use the computer to charge the keypad, because the computer is low power and unstable, It is recommended to use the wall socket to charge the keypad. 2). Please try charging the keypad with your other Type-c charging cable. 3). Normally it needs 1.5-2 hours for a full charge and it can last for 120 hours after being fully charged. Q6: Does this keypad work with a ChromeBook? A6: No. Q7: Are the keys programmable? A7: No, They are not programmable. Q9: The tablet/PC can't connect this BT keypad? A9: 1). At first check the BT keypad is into match code state, then open the table PC Bluetooth searching. 2). Checking the BT keypad Battery is enough, because the low battery is also lead to can't connect, please recharge the battery. 3). Delete all the original Bluetooth connection records of your tablet/PC, and then re-open the Bluetooth of your tablet/PC to search. pair the keypad, and then turn it on again. ) 1) Switch ON/OFF button again to power the keypad. 2) Press the Pairing Button for 3 seconds ( the red indicator will be flashing ) 3) Go to system preferences>Select device>Add the device. Q10: This keypad doesn't work anymore. A10: 1. Please check if the battery is out of power first, because the low battery will affect the performance. 2.Please check if it can work on another device or not? 3.If the keypad has been fully charged, Could you please pair the keypad to your device again as the following steps? ( Please make sure your other devices Bluetooth is turned off. And also turn off the Bluetooth of the device which you need to Package Included: 1 x 22-key bluetooth Number Pad 1 x Charging Cable 1 x User Manual Noteplease read the user manual carefully before you start using this product. Q8: The red indicator always flashing when in use? A8: The red light is always flashing means that the keypad battery is in a low battery state, please recharge the keypad as soon as possible. Esc Backspace 状态指示灯 ●连接:请打开键盘底部的电源开关，红灯亮3秒，按下 蓝牙按键3秒，红灯闪烁，快速进入可搜索配对模式。 ●低压指示灯:当电压低于3.3V时，为红色光闪烁。 ●充电指示灯:红灯常亮。 ●充满指示灯:红灯熄灭。 ●NUMLOCK指示灯亮蓝色。 键盘的维护 1.请将键盘远离液体或潮湿的环境、游泳池、蒸汽房不 要让键盘溅入液体。 2. 请不要将键盘暴露在过高或过低的温度条件下使用。 3.请不要把键盘长时间放在阳光下。 4. 请不要把键盘靠近火焰，如做饭火炉、蜡烛或壁炉。 5. 避免尖锐物品划伤产品，及时充电确保产品的正常 使用。 6. 请勿打开或修理本设备。 技术规格: 键盘尺寸:135 * 88.5 * 19毫米 重量:93克 待机电流:3.0mA(灯亮) 工作距离:8米 睡眠电流:60uA 键盘布局:22键 睡眠时间:30分钟 工作电压:3.3 - 4.2V 唤醒方式:按任意键 工作电流:0.5 - 5 mA 常见问题: Q1这个键盘是否带有USB接收器？ A1:不带USB接收器，这是蓝牙键盘。 Q2数字键盘是否可以直接通过电缆输入? A2:不可以。它只能通过蓝牙工作。包括c型电缆只供充电使用。 Q3:键盘可以更换电池吗? A3:它有一个内置的可充电聚合物电池，不可拆卸。 Q4:键盘充满电后有指示灯吗? A4:充电时红灯亮，当键盘充满电时红灯熄灭。 Q5:电池问题，键盘不能持续充电，我应该做什么? 1).请不要用电脑给键盘充电，因为电脑功耗低，而且不稳定建议 使用DC 5V充电器为键盘充电。 2).请尝试用其他Type-c充电电缆给键盘充电。 3).正常情况下充满电需要1.5-2小时，充满电后可使用120小时。 Q6:这个键盘可以在ChromeBook上使用吗? A6:不支持。 Q7:按键是可编程的吗? A7，它们不是可编程的。 Q8:红色指示灯在使用时总是闪烁? A8:红灯一直闪烁表示键盘电池电量不足，请尽快给键盘充电。 Q9:平板电脑/PC不能连接这个数字键盘? A9: 1).首先检查BT键盘是否进入匹配对码状态，然后打开电脑 的蓝牙搜索配对键盘。 2).检查键盘电量是否充足电池也会导致无法连接，请给电池充电。 3).删除您的所有原始蓝牙连接记录，然后重新打开您的平板/PC 的蓝牙并且搜索配对。 Q10：这个键盘不能用了。 A10: 1.请先检查电池是否没电，因为电池电量不足会影响性能。 2. 请检查是否可以在其他设备上运行? 3.如果键盘已充满电，请配对把键盘转到你的设备上按以下 步骤?(请确保您的其他设备的蓝牙已关闭。此外，你还需要关闭 与键盘配对的设备的蓝牙，然后再打开它。) 请按照蓝牙键盘配对步骤进行配对。 包装规范: 1 × 22 1 × 1 x 注意:使用前请仔细阅读使用说明书 使用说明书 BT304B 蓝牙配对连接 1.打开设备。打开蓝牙，单击“添加蓝牙”或其 他设备。 2.请在键盘上打开电源开关，ted灯亮3秒， 按下蓝牙配对键3秒，红灯闪烁并快速进入 匹配模式。 3.在电脑添加设备中选择“蓝牙”进行搜索 4.搜索找到“BT5.0 Keyboard”，点击下一步， 设备将自动连接。 5.成功连接后，你可以舒适地使用你的键盘。 备注:连接成功后，下次不需要重新匹配对码，只需打开蓝牙键盘电源开关，电脑 蓝牙将会自动搜索最后连接过的蓝牙键盘并自动连接。 蓝牙配对建 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation 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 residential 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. How…

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C5266091_X24_Ed.1 1/1 “AttestationStatements” TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 TheCommissionadoptedrulesthatprohibitequipmentauthorizationfor“covered” telecommunicationsequipmentandvideosurveillanceequipmentproducedbyentitiesidentified ontheCommission’sCoveredList 1 ,whichisperiodicallyupdated.SeetheCoveredListformore details.ThisAttestationStatementistoconfirmthatwefollowtheSection2.911(d)(5)(i)-(ii) Applicant Companyname:DongguanHerunElectronicTechnologyCo.,Ltd ProductDescription:WirelessKeyboard Granteecode:2A6C9 FCCID:2A6C9-BT304B ContactName:JinMingQin Address:Room303,Floor3,Building2,No.18,CaoleIndustrial Road,XiegangTown,Dongguan,China TelephoneNo:13138173204 Email:[email protected] i.[DongguanHerunElectronicTechnologyCo.,Ltd](“theapplicant”)certifiesthat theequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection 2.903oftheFCCrules.Theapplicantmustsignthiscertification. ii.[DongguanHerunElectronicTechnologyCo.,Ltd](“theapplicant”)certifiesthat, asofthedateofthefilingoftheapplication,theapplicant[isnot]identified ontheCoveredListasanentityproducing“covered”equipment.The applicantmustsignthiscertification. Date:3/22/2023 Applicant’sName:JinMingQin Title:Manager Signature 1 TheCommission’sCoveredListispublishedbythePublicSafetyandHomelandSecurityBureauandpostedonthe Commission’swebsite.ThisCoveredList,whichisperiodicallyupdated,identifiesparticularequipment,producedby particularentities,thatconstitutes“covered”equipment.https://www.fcc.gov/supplychain/coveredlist

Modeldifferencedeclarationletter DifferencesDescription WeDongguanHerunElectronicTechnologyCo.,Ltdstate: Product： WirelessKeyboard ModelName ： BT304B,BT304,BT308 Theaboveproductwithsamecircuit,PCBlayout,electricalparts,materialsandwiring structures,thematerialsofdecorativeaccessoriesissame,Fortheproductappearance difference,thesizeisthesame,butthecoloroftheproductisdifferent Signatory Date:03-22.2023 Name:JinMingQinDate:Mar22.2023 Title:Manager Signatureofapplicant:

C5266091_X8_Ed.1 1/1 DongguanHerunElectronicTechnologyCo.,Ltd LetterofAuthorization Company:DongguanHerunElectronicTechnologyCo.,Ltd Address:Room303,Floor3,Building2,No.18,CaoleIndustrial Road,XiegangTown,Dongguan,China ProductName:WirelessKeyboard ModelNumber:BT304B,BT304,BT308 FCCIdentifier:2A6C9-BT304B WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:JinMingQinDate:Mar22.2023 Title:Manager Signatureofapplicant:

C5266091_X10_Ed.2 1/1 DongguanHerunElectronicTechnologyCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:Mar22,2023 Subject:RequestforConfidentiality FCCID:2A6C9-BT304B ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 IDLabel/LocationNoNo AttestationStatement ExternalPhoto ☐☐ sNo ☐ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☐ User’sManual ☐ NOTE 1 ☐ InternalPhotos ☐ NOTE 1 ☐ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERM CONFIDENTIALITY,Section3ofKDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. C5266091_X10_Ed.2 1/1 Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodof______daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. Sincerely, Name:JinMingQinDate:Mar22.2023 Title:Manager Signatureofapplicant:

Page1of3ReportNo.:FCS202303089 Externalphotos Photo1 Photo2 Page2of3ReportNo.:FCS202303089 Photo3 Photo4 Page3of3ReportNo.:FCS202303089 Photo5 Photo6

LabelandLabelLocation FCCID:2A6C9-BT304B

Page1of3ReportNo.:FCS202303089 Internalphotos Photo1 Photo2 Page2of3ReportNo.:FCS202303089 Photo3 Photo4 Page3of3ReportNo.:FCS202303089 Photo6 PCBantenna Photo6

FCCRFExposure EUTDescription:WirelessKeyboard ModelNo.:BT304B FCCID:2A6C9-BT304B Equipmenttype:PortableDevice 1.TestProcedure AccordingtoKDB447498D01GeneralRFExposureGuidancev06 The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattest separationdistances ≤ 50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/ (min.testseparationdistance,mm)] · [ √ f(GHz)] ≤ 3.0for1-gSARand ≤ 7.5for10-g extremitySAR, where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbefore calculationTheresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparation distanceis≤50mmandfortransmissionfrequenciesbetween100MHzand6GHz. Whentheminimumtestseparationdistanceis<5mm,adistanceof5mmisappliedto determineSARtestexclusion. 2.TestResultofRFExposureEvaluation [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]·[√f(GHz)]=2.917/5*√2.402=0.90417≤3.0ThresholdatwhichnoSARrequiredis and≤3.0for1-gSAR,Separationdistanceis5mm. Mode Channel Freq.(MHz) Maximum Conducted Output Power(PK) AntennaGain (dBi) Antenna gainnumeric Tune-up power (dBm) Maxtune- uppower (W) GFSK 24023.65-1.520.7053.65±10.002917 24403.46-1.520.7053.46±10.002792 24803.50-1.520.7053.50±10.002818

AntennaSpecification Specifications Summary ITEMSPEC. ModelNameIBM2.4GHz CenterFrequency2402MHz-2.10dBi 2441MHz-1.78dBi 2480MHz-1.52dBi MAX.GAIN -1.52dBi PolarizationHorizontal AzimuthBeamPatternOmni-directional Impedance50Ω AntennaLength34.6mm AntennaPhoto&Length（mm） 1.Mainantenna:2402MHz 1.1Horizontal 1.2Vertical 2.Mainantenna:2441MHz 2.1Horizontal 2.2Vertica . 3.Mainantenna:2480MHz 3.1Horizontal 3.2Vertical 4.Result CenterFrequencyMaximumAntGain 2402MHzH-2.10dBi V-5.02dBi 2441MHzH-1.78dBi V-5.80dBi 2480MHzH-1.52dBi V-4.52dBi

FCCTestReport ReportNo:FCS202303089W01 Issuedfor Applicant: DongguanHerunElectronicTechnologyCo.,Ltd Address: Room303,Floor3,Building2,No.18,CaoleIndustrial Road,XiegangTown,Dongguan,China ProductName: WirelessKeyboard BrandName: N/A ModelName: BT304B SeriesModel: BT304BT308 FCCID: 2A6C9-BT304B IssuedBy:FluxComplianceServiceLaboratory Add:Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-Tech Industrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com Page 2 of40ReportNo.:FCS202303089W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com TESTRESULTCERTIFICATION Applicant’sName......................: DongguanHerunElectronicTechnologyCo.,Ltd Address......................................: Room303,Floor3,Building2,No.18,CaoleIndustrial Road,XiegangTown,Dongguan,China Manufacture'sName................: DongguanHerunElectronicTechnologyCo.,Ltd Address......................................: Room303,Floor3,Building2,No.18,CaoleIndustrial Road,XiegangTown,Dongguan,China ProductDescription ProductName...........................:WirelessKeyboard BrandName ............................... :N/A ModelName..............................:BT304B SeriesModel .............................. :BT304BT308 TestStandards .......................... :FCCRulesandRegulationsPart15SubpartC,Section247 TestProcedure .......................... :ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedbyFluxComplianceServiceLaboratory,thetestresults showthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditis applicableonlytothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofFluxCompliance ServiceLaboratory,thisdocumentmaybealteredorrevisedbyFluxComplianceServiceLaboratory, personalonly,andshallbenotedintherevisionofthedocument.. DateofTest..................................: Date(s)ofperformanceoftests.:Mar9,2023~Mar14,2023 DateofIssue.................................:Feb14,2023 TestResult....................................:Pass Testedby: (ScottShen) Reviewedby : (DukeQian) Approvedby: (JackWang) Page 3 of40ReportNo.:FCS202303089W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com TableofContentsPage 1.SUMMARYOFTESTRESULTS..............................................................................................6 1.1TESTFACTORY................................................................................................................7 1.2MEASUREMENTUNCERTAINTY....................................................................................7 2.GENERALINFORMATION......................................................................................................8 2.1GENERALDESCRIPTIONOFTHEEUT.........................................................................8 2.2BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED.............10 2.3DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS................11 2.4EQUIPMENTSLIST.........................................................................................................12 3.CONDUCTEDEMISSIONMEASUREMENT.........................................................................13 4.6DBBANDWIDTH..................................................................................................................17 4.1Limit..................................................................................................................................17 4.2TestProcedure.................................................................................................................17 4.3Testsetup.........................................................................................................................17 4.4Testresults.......................................................................................................................17 4.5OriginalTestData............................................................................................................18 5.CONDUCTEDOUTPUTPOWER...........................................................................................21 5.1LIMIT................................................................................................................................21 5.2TESTPROCEDURE........................................................................................................21 5.3TESTSETUP...................................................................................................................21 5.5TESTRESULTS..............................................................................................................21 6.BANDEDGEANDSPURIOUS(CONDUCTED)....................................................................22 6.1LIMIT................................................................................................................................22 6.2TESTPROCEDURE........................................................................................................22 6.3TESTSETUP...................................................................................................................22 6.4TESTRESULTS..............................................................................................................23 6.5Originaltestdata..............................................................................................................23 7.POWERSPECTRALDENSITY..............................................................................................26 7.1LIMIT................................................................................................................................26 7.2TESTPROCEDURE........................................................................................................…

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Page 1 of2ReportNo.:FCS202303089 Blow1GHzforradiatedemissiontestsetup Above1GHzforradiatedemissiontestsetup Page 2 of2ReportNo.:FCS202303089 Conductedemissiontestsetup