2BDC4-LOVE520Bluetooth speaker

LOVE-520 使用说明书 INSTRUCTION MANUAL 展开280*210mm 骑马钉画册 157克铜版纸 12P 不过膜 有限保固 Limited Warranty.....................10 遥控器 遥控器功能 Remote Control Functions............7 8 9 Remote Control TWS两台音箱互连 TWS Pairing of Two Speakers 9 请在使用本产品之前先阅读本手册。保留本手册备查。 不要拆解音箱。如需维修，请在专业人员的指导下进行维修。 不使用时，请关闭音箱开关，并断开适配器交流电源。 仅使用制造商指定的附件、配件。 放置事项 不要将音箱置于热源或阳光直射的地方。 不要将设备安装在潮湿或下雨的地方。 不要将装有液体的饮料，水杯，花瓶置于音箱之上。 将音箱放在平坦、稳固的台面上，请勿堵塞音箱的出风口，以免造成音箱故障。 搬运及移动事项 本产品为精密电子设备，内部含有易损元件（如扬声器单元、功放单元）。 搬运时请务必轻拿轻放，避免摔落、碰撞或剧烈震动。 搬运时，请用双手稳固托住音箱箱体的底部和侧面。切勿仅提拉网罩、接线柱或倒相孔， 以免造成损坏或变形。 在搬运和放置过程中，请注意保护音箱表面（如网罩、漆面），避免与尖锐或粗糙物体刮蹭。 运输保护装置的拆除 音箱在出厂时为保护运输安全，安装了特定的保护装置。在使用音箱前，必须完全拆除所 有运输保护部件！ 拆除的保护装置（珍珠棉）建议暂时保留，以备日后需要再次运输音箱时使用。 VOL/MODE ARC-INOPT-IN USBDC-IN/22VMICWIRELESS MIC LOVE-520 AUX-IN ADAPTEROFFBAT BAT LED Please read through this manual before making connections and operating this product. Retain the manual for future reference. Don't open the cabinet of this unit. No user-serviceable parts inside. Refer servicing to qualified personnel only. Switch off the unit and disconnect it from the AC power supply when not in use. Only use attachments/accessories specified by the manufacturer. Installation Don't install the unit in a place exposed to heating sources or direct sunshine. Don't install the unit in a place exposed to moisture or rain. The apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such as vases or glasses, shall be placed on the unit. Install the unit on a horizontal, flat and firm surface with good ventilation. Never block the vents, which may cause malfunction resulting from overheating. Handling and Moving This product is a precision electronic device containing fragile components (e.g., speaker units, amplifier modules). Always handle with care during transportation. Avoid dropping, impacting, or subjecting it to severe vibration. When moving the unit, use both hands to firmly support the bottom and sides of the cabinet. Never lift the unit solely by the grille, terminals, or bass reflex port, as this may cause damageor deformation. During handling and placement, please protect the surface of the unit (e.g., grille, finish) from contact with sharp or abrasive objects. Removal of Transit Protection Specific protective devices are installed on the unit at the factory to ensure transport safety. Before using the unit, all transit protection components must be completely removed! It is recommended to temporarily keep the removed protective devices (protective foam inserts) for future use if the unit needs to be transported again. VOL/MODE ARC-INOPT-IN USBDC-IN/22VMICWIRELESS MIC LOVE-520 AUX-IN ADAPTEROFFBAT BAT LED 下一曲上一曲 充电指示灯 充电红色充满绿色 适配器输入DC 22V: 开关打在“ADAPTER”适配器DC 22V直接给功放供电, 同时给电池充电； 开关打在“OFF”关机,同时给电池充电 开关打在“BAT”适配器给电池充电，电池给功放供电 不插适配器DC 22V，电池有足够电量时 开关打在“BAT”电池给功放供电， 开关打在“OFF”或“ADAPTER”时处于关机状态 VOL/MODE ARC-INOPT-IN USBDC-IN/22VMICWIRELESS MIC LOVE-520 AUX-IN ADAPTEROFFBAT BAT LED Previous TrackNext Track C h a r g i n g I n d i c a t o r R e d w h e n c h a r g i n g G r e e n w h e n f u l l y c h a r g e d ,while simultaneously charging the battery. ,while simultaneously charging the battery. 控制器功能 87 技术规格 声音规格：采用主动分频立体声音箱D类功放 中高音单元：2寸 4Ω 25Wx2 低音单元：4寸 4Ω 45W 低音频响范围：30Hz–3KHz(-3dB) 中高音频响范围：350Hz–22KHz(-3dB) 功放最大功率：55W+25Wx2 蓝牙连接方式：蓝牙5.0 电源适配器输入：AC100-240V 50-60Hz 电源适配器输出：23V/3A 工作电压范围：20V24V ~ 内置电池：2000mAh 音源输入：AUX,光纤，U盘，蓝牙，ARC输入 尺寸：330x202x225mm Remote Control Functions 开/关机 话筒音量减 消人声 播放/暂停 上曲 音量减 下曲 蓝牙 光纤 U盘播放 模式 取消配对 单曲/循环 原声 EQ 电影 变音 静音 话筒音量加 音量加 ARC模式 AUX模式 KTV模式 专业模式 音乐模式 30Hz-3KHz(-3dB) 350Hz-22KHz(-3dB) Power adapter output: 23V/3A Operating Voltage Range: 20V~24V 25Wx2 45W 55W+25Wx2 109 自收到原始收据与购买凭证(只适用于中国)之日起，所购买恺撒堡产品 的质保期为12个月。原始收据与包装应该保留12个月，如果产品在质保 期任何阶段出现问题，使用完整的原始包装将产品返回购买地点，不得 丢失任何项目。 质保不包括以下方面: 不正确的安装对产品造成的损坏; 对其它部件造成的后续损坏; 将产品置于潮湿、过热、化学清洗剂或UV辐射中造成的损坏; 由于疏忽、误用、事故或滥用造成的损坏，同一故障反复维修属于误用本产品; 放大器或变形造成的损坏; 任何非授权机构对产品部分进行修理或更改; 非缺陷件的返回运输; 由于使用密封剂对产品造成损坏。 有限保固 Limited Warranty The warranty period for the purchased KAYSERBURG product is 12 months, commencing from the date of the original receipt and proof of purchase (Applicable in China only). The original receipt and packaging should be retained for 12 months. If a problem occurs at any stage during the warranty period, return the product to the place of purchase in its complete original packaging, ensuring no items are missing. This warranty does not cover the following: Damage to the product resulting from incorrect installation. Consequential damage to other components. Damage caused by placing the product in humid, overheated environments, or exposure to chemical cleaners or UV radiation. Damage due to negligence, misuse, accident, or abuse. Repeated repairs for the same fault constitute misuse of the product. Damage to amplifiers or deformation. Any repairs or alterations made to the product by any organization not authorized by the manufacturer. Return transportation costs for non-defective parts. Damage to the product resulting from the use of sealants. TWS两台音箱互连 Left Channel 右声道 VOL/MODE ARC-INOPT-IN USBDC-IN/22VMICWIRELESS MIC LOVE-520 AUX-IN ADAPTEROFFBAT BAT LED 快速按2下 两个音箱的电源同时打开，快速双击右边音箱面板的 VOL/MODE旋钮，语音播报TWS，TWS模式设置成功，双 击设置音箱为右声道，在TWS模式两个音箱只有一个蓝 牙名称LOVE-520 故障排除 在使用维护服务之前，请自己查看下面的图表。 症状起因处理方法 无电源 ● AC电源线未连接到电源或 未安全连接到电源 ● 正确将电源线连接到电源 插座上 声音没有声音 ● 音量调节处于最小挡位 ● 打开音量 面板上的按钮失灵 ● 音箱受到静电等干扰 ● 开关关闭并拔下单元。然 后将插头连接到电源上， 并再次接通电源 Troubleshooting 左声道 Right Channel Double-press Power on both speakers. Quickly doublepress the VOL/MODE knob on the right speaker. A voice prompt “TWS” will confirm that TWS mode is enabled. To set this speaker as the right channel, doublepress the knob again. In TWS mode, the system uses one Bluetooth name: LOVE-520 TWS Pairing of Two Speakers FCCStatement Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwo conditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemust acceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation. Thisequip…

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GuangzhouPearlRiverKayserburgPianoCo.,Ltd. AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:Apr.12,26 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID:2BDC4-LOVE520 GuangzhouPearlRiverKayserburgPianoCo.,Ltd..(“theapplicant”)certifiesthat,asofthedateofthe filingoftheapplication,theapplicantisnotidentifiedontheCoveredList,establishedpursuantto§ 1.50002ofreferencechapter,asanentityproducing“covered”communicationequipment.The equipmentforwhichauthorizationissoughtisnot“covered”telecommunicationsequipmentandvideo surveillanceequipmentproducedbyentitiesidentifiedontheCommission’sCoveredListthatprohibited fromreceivinganequipmentauthorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, ApplicantSignature PrintedName:YuhuaChen Title:manager Address:38,XiangShanAvenue,YongNingRoad,Zengcheng,Guangzhou,Guangdong,China Tel.:+8613143118862 Email:[email protected]

GuangzhouPearlRiverKayserburgPianoCo.,Ltd. 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Apr.12,26 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:2BDC4-LOVE520 ProductName:Bluetoothspeaker Thisletterservesasanattestationthattheequipmentidentifiedabove☐is/☒isnot(selectone)"covered" softwareasdefinedundertheFederalCommunicationsCommission(FCC)CoveredListrequirements,as outlinedinFCC22-84andKDB986446. Specifically,theundersignedcertifiesthattheequipmentforwhichauthorizationissought: 1.Doesnotcontaincybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab, Inc.oranyofitssuccessors,assignees,parents,subsidiaries,affiliates,oranyentitythathasrebranded orrelabeledsoftwareproducedbytheaforementionedentities. 2.Doesnothavethecapabilitytostore,run,ordeliveranysoftwareidentifiedontheFCCCoveredList, includingbutnotlimitedtocybersecurityandanti-virussoftware. Tosupportthisattestation,theappendixevaluationdocumentationhasbeenpreparedandisincludedinthe certificationfiling. Thisattestationisbasedonathoroughevaluationofthedevice'sdesign,functionality,andsoftware environment.Theundersignedaffirmsthattheinformationprovidedisaccurateandcompletetothebestof theirknowledge. Sincerelyyours, ApplicantSignature PrintedName:YuhuaChen Title:manager Address:38,XiangShanAvenue,YongNingRoad,Zengcheng,Guangzhou,Guangdong,China Tel.:+8613143118862 Email:[email protected] GuangzhouPearlRiverKayserburgPianoCo.,Ltd. 2|Page EvaluationregardingtotheCoveredListSoftware: Compliance Methodology EvaluationProcessResults Deviceis Inherent compliance ☒ TheChipset(s)usedislimitedtorun theCybersecurityoranti-virus software. Compliance. ☒ TheMemoryusedislimitedtorunthe Cybersecurityoranti-virussoftware. Compliance. ☒ Thereisstoragecapacitylimitationfor storeorinstalltheCybersecurityor anti-virussoftware. Compliance. ☒ Operatingsystemusedislimitedto run,installordelivertheCybersecurity oranti-virussoftware. Compliance. Deviceisnot Inherent compliance ☐ EvaluationBasedonSoftware BillofMaterials(SBoM) Seeattached“SBoM“ Note:TheSBoMcontentislimited tothescopeofcoveredlist software(e.g.antivirusand cybersecuritysoftware). ☐ EvaluationBasedonScanfor Softwareonthedevice ☐ EvaluationBasedonFilesystemscan ☐ EvaluationBasedonRunning softwarecheck

GuangzhouPearlRiverKayserburgPianoCo.,Ltd. U.S.AgentLetterofAttestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:Apr.12,26 Ref: AttestationStatement–Part 2.911(d)(7)filing FCCID:2BDC4-LOVE520 [GuangzhouPearlRiverKayserburgPianoCo.,Ltd.](“theapplicant”)certifiesthat,asofthedateof thefilingoftheapplication,[TRANS-PACCHINALLC](“theagent”)isourdesignatedU.S.agentfor serviceofprocessfortheabovereferenceFCCID.Theapplicantacceptstomaintainanagentfor serviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S., ortheconclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingthe equipment,whicheverislater.Theapplicantfurtheracknowledgesitisourresponsibilitytoinform theFCCwhenevertheagentinformationchanges. [TRANS-PACCHINALLC]("theagent)understanditistheagent'sobligationtoacceptserviceof processintheUnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddress. DesignatedU.S.Agent CompanyName:TRANS-PACCHINALLC FRN:0036394526 3715S182ndStreet,C120Seatac,WA98188United States Signature: ContactPerson:LisaLee Tel:(818)818-0538 Email:[email protected] Applicant CompanyName:GuangzhouPearlRiverKayserburgPianoCo.,Ltd. FRN:0034409193 Address:38,XiangShanAvenue,YongNing Road,Zengcheng,Guangzhou,Guangdong,China Signature: ContactPerson:YuhuaChen Tel:+8613143118862Email: [email protected]

FCCID:2BDC4-LOVE520 DifferencesDeclaration Towhomconcern, WeGuangzhouPearlRiverKayserburgPianoCo.,Ltd.Hereby declares: TheproductmodelLOVE-520isthesamePCBlayout,electronic schematicandAntennawithSKY-1.Onlythemodelnameis Difference. Sincerelyyours, Signature: Name(inprint):YuhuaChen Title:manager Tel.:+8613143118862 Email:[email protected]

GuangzhouPearlRiverKayserburgPianoCo.,Ltd. (Mar16,2026) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID:2BDC4-LOVE520 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestpermanent confidentialtreatmentoftheexhibitsaccompanyingthiscertificationapplicationasoutlinedbelow:  BlockDiagram Schematics  OperationalDescription Theaboveexhibitscontaintradesecretsand/orproprietaryinformationthatarenotpubliclyavailableand materialsthattheApplicanthasspentconsiderableeffortsindeveloping.Publicdisclosureofthesemay beharmfultotheApplicantandgiveanunfairadvantagetocompetitorsonthemarket. Sincerely, (Signature) Title:manager Address:38,XiangShanAvenue,YongNingRoad,Zengcheng,Guangzhou,Guangdong,China Tel.:+8613143118862 Email:[email protected]

GuangzhouPearlRiverKayserburgPianoCo.,Ltd. (Mar16,2026) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID:2BDC4-LOVE520 I,theundersigned,herebyauthorizeHDTestingTechnology(GuangDong)Co.,Ltd.toactonourbehalf inallmattersrelatingtothisapplicationforequipmentcertification. AnyactcarriedoutbyHDTestingTechnology(GuangDong)Co.,Ltd.shallhavethesameeffectasour ownandIacknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsofcertification, asspecifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswithGuangzhouPearlRiver KayserburgPianoCo.,Ltd. WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, (Signature) (YuhuaChen) (manager) Tel:+8613143118862 Email:[email protected]

FCCID:2BDC4-LOVE520 Page 1 / 4 PHOTOSOFEUTEXTERNALPHOTOS EUTPhoto EUTPhoto FCCID:2BDC4-LOVE520 Page 2 / 4 EUTPhoto EUTPhoto FCCID:2BDC4-LOVE520 Page 3 / 4 EUTPhoto EUTPhoto FCCID:2BDC4-LOVE520 Page 4 / 4 EUTPhoto

FCCID:2BDC4-LOVE520

FCCID:2BDC4-LOVE520 Page 1 / 4 PHOTOSOFEUTINTERNALPHOTOS EUTPhoto EUTPhoto BluetoothAntenna FCCID:2BDC4-LOVE520 Page 2 / 4 EUTPhoto EUTPhoto FCCID:2BDC4-LOVE520 Page 3 / 4 EUTPhoto EUTPhoto FCCID:2BDC4-LOVE520 Page 4 / 4 EUTPhoto

ReportNo.:86260319285Date:April16,2026Page1of5 HDTestingTechnology(GuangDong)Co.,Ltd. Building1,No.18,ShihuanRoad,DongchengSubdistrict, Dongguan,Guangdong,China Tel:+86-0769-22221088 E-mail:[email protected] Website:www.hdt-lab.com Thisreportisgovernedby,andincorporatesbyreference,theconditionsoftestingaspostedatthe dateofissuanceofthisreportathttp://www.hdt-lab.com/andisintendedforyourexclusiveuse.Any copyingorreplicationofthisreporttoorforanyotherpersonorentity,oruseofournameortrademark, ispermittedonlywithourpriorwrittenpermission.Thisreportsetsforthourfindingssolelywithrespect tothetestsamplesidentifiedherein.Theresultssetforthinthisreportarenotindicativeor representativeofthequalityorcharacteristicsofthelotfromwhichatestsamplewastakenorany similaroridenticalproductunlessspecificallyandexpresslynoted.Ourreportincludesallofthetests requestedbyyouandtheresultsthereofbasedupontheinformationthatyouprovidedtous. Measurementuncertaintyisonlyprovideduponrequestforaccreditedtests.Statementsofconformity arebasedonsimpleacceptancecriteriawithouttakingmeasurementuncertaintyintoaccount,unless otherwiserequestedinwriting.Youhave15daysfromdateofissuanceofthisreporttonotifyusofany materialerrororomissioncausedbyournegligenceorifyourequiremeasurementuncertainty; provided,however,thatsuchnoticeshallbeinwritingandshallspecificallyaddresstheissueyouwish toraise.Afailuretoraisesuchissuewithintheprescribedtimeshallconstituteyourunqualified acceptanceofthecompletenessofthisreport,thetestsconductedandthecorrectnessofthereport contents. RFTESTREPORT Applicant:GuangzhouPearlRiverKayserburgPianoCo.,Ltd. Address:38,XiangShanAvenue,YongNingRoad,Zengcheng,Guangzhou,China Manufacturer:GuangzhouPearlRiverKayserburgPianoCo.,Ltd. Address:38,XiangShanAvenue,YongNingRoad,Zengcheng,Guangzhou,China EUTName:Bluetoothspeaker Trademark:/ Model:LOVE-520,SKY-1 FCCID：2BDC4-LOVE520 Rating:DC22VbyadapterorDC18.5Vbybattery SampleReceived Date: Mar.19,2026 TestDate:Mar.20,2026~Apr.13,2026 Applicable Standards: CFR47,FCCPart2.1091 TestResultPass Preparedby:Approvedby: EvanFang/ProjectEngineerBruceZhang/TechnicalManager ReportNo.:86260319285 April.13,2026 Page2of5 HDTestingTechnology(GuangDong)Co.,Ltd. Building1,No.18,ShihuanRoad,DongchengSubdistrict, Dongguan,Guangdong,China Tel:+86-0769-22221088 E-mail:[email protected] Website:www.hdt-lab.com Thisreportisgovernedby,andincorporatesbyreference,theconditionsoftestingaspostedatthe dateofissuanceofthisreportathttp://www.hdt-lab.com/andisintendedforyourexclusiveuse.Any copyingorreplicationofthisreporttoorforanyotherpersonorentity,oruseofournameortrademark, ispermittedonlywithourpriorwrittenpermission.Thisreportsetsforthourfindingssolelywithrespect tothetestsamplesidentifiedherein.Theresultssetforthinthisreportarenotindicativeor representativeofthequalityorcharacteristicsofthelotfromwhichatestsamplewastakenorany similaroridenticalproductunlessspecificallyandexpresslynoted.Ourreportincludesallofthetests requestedbyyouandtheresultsthereofbasedupontheinformationthatyouprovidedtous. Measurementuncertaintyisonlyprovideduponrequestforaccreditedtests.Statementsofconformity arebasedonsimpleacceptancecriteriawithouttakingmeasurementuncertaintyintoaccount,unless otherwiserequestedinwriting.Youhave15daysfromdateofissuanceofthisreporttonotifyusofany materialerrororomissioncausedbyournegligenceorifyourequiremeasurementuncertainty; provided,however,thatsuchnoticeshallbeinwritingandshallspecificallyaddresstheissueyouwish toraise.Afailuretoraisesuchissuewithintheprescribedtimeshallconstituteyourunqualified acceptanceofthecompletenessofthisreport,thetestsconductedandthecorrectnessofthereport contents. RevisionHistory VersionDateofIssueDescription V00April.13,2026OriginalVersion ReportNo.:86260319285 April.13,2026 Page3of5 HDTestingTechnology(GuangDong)Co.,Ltd. Building1,No.18,ShihuanRoad,DongchengSubdistrict, Dongguan,Guangdong,China Tel:+86-0769-22221088 E-mail:[email protected] Website:www.hdt-lab.com Thisreportisgovernedby,andincorporatesbyreference,theconditionsoftestingaspostedatthe dateofissuanceofthisreportathttp://www.hdt-lab.com/andisintendedforyourexclusiveuse.Any copyingorreplicationofthisreporttoorforanyotherpersonorentity,oruseofournameortrademark, ispermittedonlywithourpriorwrittenpermission.Thisreportsetsforthourfindingssolelywithrespect tothetestsamplesidentifiedherein.Theresultssetforthinthisreportarenotindicativeor representativeofthequalityorcharacteristicsofthelotfromwhichatestsamplewastakenorany similaroridenticalproductunlessspecificallyandexpresslynoted.Ourreportincludesallofthetests requestedbyyouandtheresultsthereofbasedupontheinformationthatyouprovidedtous. Measurementuncertaintyisonlyprovideduponrequestforaccreditedtests.Statementsofconformity arebasedonsimpleacceptancecriteriawithouttakingmeasurementuncertaintyintoaccount,unless otherwiserequestedinwriting.Youhave15daysfromdateofissuanceofthisreporttonotifyusofany materialerrororomissioncausedbyournegligenceorifyourequiremeasurementuncertainty; provided,however,thatsuchnoticeshallbeinwritingandshallspecificallyaddresstheissueyouwish toraise.Afailuretoraisesuchissuewithintheprescribedtimeshallconstituteyourunqualified acceptanceofthecompletenessofthisreport,thetestsconductedandthecorrectnessofthereport contents. 1.EUTDESCRIPTION Product:Bluetoothspeaker TestModel:LOVE-520 AdditionalModel:SKY-1 Rating:DC22VbyadapterorDC18.5Vbybattery FCCID:2BDC4-LOVE520 AntennaType:PCBAntenna AntennaGain:1dBi OperationFrequency:2402-2480MHz NumberofChannels:79 ModulationType:GFSK,π/4-DQPSK,8DPSK HardwareVersion:N/A SoftwareVersion:N/A Note: 1)Foramoredetailedfeaturesdescription,pleaserefertothemanufacturer'sspecificationsorthe User'sManual. 2)Antennagainwasprovidedbytheapplicant/manufacturer,andtheapplicant/manufactureris responsibleforitsvalidity. 3)TheproductmodelLOVE-520isthesamePCBlayout,electronicschematicandAntennawith SKY-1.Onlythemodelnameisdifference. 4)Thetestresultsinthereportonlyapplytothetestedsample. ReportNo.:86260319285 April.13,2…

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FCCID:2BDC4-LOVE520 1/13 AppendixA:TestResultsofBluetoothBR&EDR ConductedOutputPower TestResult ModulationPacketTypeChannel PeakOutput Power (dBm) PeakOutput Power (mW) Max.Avg. Power (dBm) Limit (dBm) Result GFSKDH5 0-0.130.97None ≤30 PASS 39-0.230.95NonePASS 78-0.600.87NonePASS π/4DQPSK2-DH5 0-0.120.97NonePASS 39-0.190.96NonePASS 78-0.590.87NonePASS 8DPSK3-DH5 0-0.100.98NonePASS 39-0.120.97NonePASS 78-0.560.88NonePASS TestGraphs PeakOutputPower GFSK_Channel0 PeakOutputPower GFSK_Channel39 PeakOutputPower GFSK_Channel78 PeakOutputPower π/4DQPSK_Channel0 FCCID:2BDC4-LOVE520 2/13 PeakOutputPower π/4DQPSK_Channel39 PeakOutputPower π/4DQPSK_Channel78 PeakOutputPower 8DPSK_Channel0 PeakOutputPower 8DPSK_Channel39 PeakOutputPower 8DPSK_Channel78 FCCID:2BDC4-LOVE520 3/13 99%Bandwidth TestResult ModulationChannelCenterFrequency(MHz)99%BW(MHz) GFSK 024020.85767 3924410.86321 7824800.87133 π/4DQPSK 024021.1845 3924411.1942 7824801.1870 8DPSK 024021.2058 3924411.2047 7824801.2109 TestGraphs GFSK_DH5_Channel0π/4DQPSK_2-DH5_Channel0 GFSK_DH5_Channel39π/4DQPSK_2-DH5_Channel39 GFSK_DH5_Channel78π/4DQPSK_2-DH5_Channel78 FCCID:2BDC4-LOVE520 4/13 8DPSK_3-DH5_Channel08DPSK_3-DH5_Channel39 8DPSK_3-DH5_Channel78 FCCID:2BDC4-LOVE520 5/13 20dBBandwidth TestResult ModulationChannelCenterFrequency(MHz)20dBBandwidth(MHz) GFSK 02402MHz0.9578 392441MHz0.9536 782480MHz0.9570 π/4DQPSK 02402MHz1.268 392441MHz1.276 782480MHz1.268 8DPSK 02402MHz1.287 392441MHz1.288 782480MHz1.286 TestGraphs GFSK_DH5_Channel0GFSK_DH5_Channel39 GFSK_DH5_Channel78π/4DQPSK_2-DH5_Channel0 π/4DQPSK_2-DH5_Channel39π/4DQPSK_2-DH5_Channel78 FCCID:2BDC4-LOVE520 6/13 8DPSK_3-DH5_Channel08DPSK_3-DH5_Channel39 8DPSK_3-DH5_Channel78 FCCID:2BDC4-LOVE520 7/13 CarrierFrequenciesSeparation TestResult ModulationPacket LeftCenter frequency (MHz) RightCenter frequency (MHz) Hopping Frequency Separation (MHz) Limit(MHz)Result GFSKDH52440.19442441.20671.01230.639PASS π/4DQPSK2-DH52439.86592440.87821.01230.851PASS 8DPSK3-DH52440.18662441.19681.01020.859PASS TestGraphs GFSKπ/4DQPSK 8DPSK FCCID:2BDC4-LOVE520 8/13 ConductedSpurious&BandEdgeEmission TestResult Non-Hopping ModulationPacketChannel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) OverLimit (dB) Result GFSKDH5 0 2400.00-51.692-20.23-31.462PASS 7206.38-42.623-20.23-22.393PASS 397322.49-44.269-20.24-24.029PASS 78 2483.50-56.888-20.67-36.218PASS 7440.47-48.338-20.67-27.668PASS π/4DQPSK2-DH5 0 2400.00-50.141-20.15-29.991PASS 7205.75-52.436-20.15-32.286PASS 397322.49-45.988-20.27-25.718PASS 78 2287.91-47.632-20.6-27.032PASS 2483.50-57.594-20.6-36.994PASS 8DPSK3-DH5 0 2400.00-53.038-20.09-32.948PASS 4804.26-50.708-20.09-30.618PASS 399763.93-50.765-20.23-30.535PASS 78 2483.50-58.322-20.64-37.682PASS 7439.85-47.034-20.64-26.394PASS Note:inputcompensationcoeffcient(dB)=CableLoss(dB) Hopping ModulationPacketChannel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) OverLimit (dB) Result GFSKDH5 Hopping 2400.00-50.233-20.07-30.163PASS 2483.50-56.156-20.45-35.706PASS π/4DQPSK2-DH5 2400.00-53.570-19.99-33.580PASS 2483.50-56.904-20.41-36.494PASS 8DPSK3-DH5 2400.00-52.554-20.06-32.494PASS 2483.50-56.593-20.63-35.963PASS Note:inputcompensationcoeffcient(dB)=CableLoss(dB) TestGraphs OutOfBandEmission GFSK_DH5_Channel0 OutOfBandEmission π/4DQPSK_2-DH5_Channel0 FCCID:2BDC4-LOVE520 9/13 30.0MHz-25000.0MHz GFSK_DH5_Channel0 30.0MHz-25000.0MHz π/4DQPSK_2-DH5_Channel0 OutOfBandEmission GFSK_DH5_Channel39 OutOfBandEmission π/4DQPSK_2-DH5_Channel39 30.0MHz-25000.0MHz GFSK_DH5_Channel39 30.0MHz-25000.0MHz π/4DQPSK_2-DH5_Channel39 OutOfBandEmission GFSK_DH5_Channel78 OutOfBandEmission π/4DQPSK_2-DH5_Channel78 FCCID:2BDC4-LOVE520 10/13 30.0MHz-25000.0MHz GFSK_DH5_Channel78 30.0MHz-25000.0MHz π/4DQPSK_2-DH5_Channel78 OutOfBandEmission 8DPSK_3-DH5_Channel0 30.0MHz-25000.0MHz 8DPSK_3-DH5_Channel0 OutOfBandEmission 8DPSK_3-DH5_Channel39 30.0MHz-25000.0MHz 8DPSK_3-DH5_Channel39 OutOfBandEmission 8DPSK_3-DH5_Channel78 30.0MHz-25000.0MHz 8DPSK_3-DH5_Channel78 FCCID:2BDC4-LOVE520 11/13 OutOfBandEmission(Left) GFSK_DH5_ChannelHopping OutOfBandEmission(Left) π/4DQPSK_2-DH5_ChannelHopping OutOfBandEmission(Right) GFSK_DH5_ChannelHopping OutOfBandEmission(Right) π/4DQPSK_2-DH5_ChannelHopping OutOfBandEmission(Left) 8DPSK_3-DH5_ChannelHopping OutOfBandEmission(Right) 8DPSK_3-DH5_ChannelHopping FCCID:2BDC4-LOVE520 12/13 DwellTime TestResult ModulationPacketChannel PulseWidth (ms) Numberof Pulsesin 31.6seconds DwellTime (ms) Limit(ms)Result GFSKDH5 Hopping 2.880111319.68 <400 PASS π/4DQPSK2-DH52.880118339.84PASS 8DPSK3-DH52.896104301.18PASS Note:Dwelltime=Pulsetime(ms)*NumberofPulsesin31.6seconds TestGraphs PulseWidth GFSK_DH5 NumberofPulsesin31.6seconds GFSK_DH5 PulseWidth π/4DQPSK_2-DH5 NumberofPulsesin31.6seconds π/4DQPSK_2-DH5 PulseWidth 8DPSK_3-DH5 NumberofPulsesin31.6seconds 8DPSK_3-DH5 FCCID:2BDC4-LOVE520 13/13 NumberOfHoppingChannel TestResult ModulationPacket NumberofHopping Channel LimitResult GFSKDH57915PASS π/4DQPSK2-DH57915PASS 8DPSK3-DH57915PASS TestGraphs LowEndSpectrumChannelHoppingPlot GFSK HighEndSpectrumChannelHoppingPlot GFSK LowEndSpectrumChannelHoppingPlot π/4DQPSK HighEndSpectrumChannelHoppingPlot π/4DQPSK LowEndSpectrumChannelHoppingPlot 8DPSK HighEndSpectrumChannelHoppingPlot 8DPSK

ReportNo.:86260319284Date:April.13,2026Page1of42 HDTestingTechnology(GuangDong)Co.,Ltd. Building1,No.18,ShihuanRoad,DongchengSubdistrict, Dongguan,Guangdong,China Tel:+86-0769-22221088 E-mail:[email protected] Website:www.hdt-lab.com Thisreportisgovernedby,andincorporatesbyreference,theconditionsoftestingaspostedatthe dateofissuanceofthisreportathttp://www.hdt-lab.com/andisintendedforyourexclusiveuse.Any copyingorreplicationofthisreporttoorforanyotherpersonorentity,oruseofournameortrademark, ispermittedonlywithourpriorwrittenpermission.Thisreportsetsforthourfindingssolelywithrespect tothetestsamplesidentifiedherein.Theresultssetforthinthisreportarenotindicativeor representativeofthequalityorcharacteristicsofthelotfromwhichatestsamplewastakenorany similaroridenticalproductunlessspecificallyandexpresslynoted.Ourreportincludesallofthetests requestedbyyouandtheresultsthereofbasedupontheinformationthatyouprovidedtous. Measurementuncertaintyisonlyprovideduponrequestforaccreditedtests.Statementsofconformity arebasedonsimpleacceptancecriteriawithouttakingmeasurementuncertaintyintoaccount,unless otherwiserequestedinwriting.Youhave15daysfromdateofissuanceofthisreporttonotifyusofany materialerrororomissioncausedbyournegligenceorifyourequiremeasurementuncertainty; provided,however,thatsuchnoticeshallbeinwritingandshallspecificallyaddresstheissueyouwish toraise.Afailuretoraisesuchissuewithintheprescribedtimeshallconstituteyourunqualified acceptanceofthecompletenessofthisreport,thetestsconductedandthecorrectnessofthereport contents. RFTESTREPORT Applicant:GuangzhouPearlRiverKayserburgPianoCo.,Ltd. Address:38,XiangShanAvenue,YongNingRoad,Zengcheng,Guangzhou,China Manufacturer:GuangzhouPearlRiverKayserburgPianoCo.,Ltd. Address:38,XiangShanAvenue,YongNingRoad,Zengcheng,Guangzhou,China EUTName:Bluetoothspeaker Trademark:/ Model:LOVE-520,SKY-1 FCCID ：2BDC4-LOVE520 Rating:DC22VbyadapterorDC18.5Vbybattery SampleReceived Date: Mar.19,2026 TestDate:Mar.20,2026~Apr.13,2026 Applicable Standards: FCC47,CFRPart15.247 TestResultPass Preparedby:Approvedby: EvanFang/ProjectEngineerBruceZhang/TechnicalManager ReportNo.:86260319284 April.13,2026 Page2of42 HDTestingTechnology(GuangDong)Co.,Ltd. Building1,No.18,ShihuanRoad,DongchengSubdistrict, Dongguan,Guangdong,China Tel:+86-0769-22221088 E-mail:[email protected] Website:www.hdt-lab.com Thisreportisgovernedby,andincorporatesbyreference,theconditionsoftestingaspostedatthe dateofissuanceofthisreportathttp://www.hdt-lab.com/andisintendedforyourexclusiveuse.Any copyingorreplicationofthisreporttoorforanyotherpersonorentity,oruseofournameortrademark, ispermittedonlywithourpriorwrittenpermission.Thisreportsetsforthourfindingssolelywithrespect tothetestsamplesidentifiedherein.Theresultssetforthinthisreportarenotindicativeor representativeofthequalityorcharacteristicsofthelotfromwhichatestsamplewastakenorany similaroridenticalproductunlessspecificallyandexpresslynoted.Ourreportincludesallofthetests requestedbyyouandtheresultsthereofbasedupontheinformationthatyouprovidedtous. Measurementuncertaintyisonlyprovideduponrequestforaccreditedtests.Statementsofconformity arebasedonsimpleacceptancecriteriawithouttakingmeasurementuncertaintyintoaccount,unless otherwiserequestedinwriting.Youhave15daysfromdateofissuanceofthisreporttonotifyusofany materialerrororomissioncausedbyournegligenceorifyourequiremeasurementuncertainty; provided,however,thatsuchnoticeshallbeinwritingandshallspecificallyaddresstheissueyouwish toraise.Afailuretoraisesuchissuewithintheprescribedtimeshallconstituteyourunqualified acceptanceofthecompletenessofthisreport,thetestsconductedandthecorrectnessofthereport contents. RevisionHistory VersionDateofIssueDescription V00April.13,2026OriginalVersion ReportNo.:86260319284 April.13,2026 Page3of42 HDTestingTechnology(GuangDong)Co.,Ltd. Building1,No.18,ShihuanRoad,DongchengSubdistrict, Dongguan,Guangdong,China Tel:+86-0769-22221088 E-mail:[email protected] Website:www.hdt-lab.com Thisreportisgovernedby,andincorporatesbyreference,theconditionsoftestingaspostedatthe dateofissuanceofthisreportathttp://www.hdt-lab.com/andisintendedforyourexclusiveuse.Any copyingorreplicationofthisreporttoorforanyotherpersonorentity,oruseofournameortrademark, ispermittedonlywithourpriorwrittenpermission.Thisreportsetsforthourfindingssolelywithrespect tothetestsamplesidentifiedherein.Theresultssetforthinthisreportarenotindicativeor representativeofthequalityorcharacteristicsofthelotfromwhichatestsamplewastakenorany similaroridenticalproductunlessspecificallyandexpresslynoted.Ourreportincludesallofthetests requestedbyyouandtheresultsthereofbasedupontheinformationthatyouprovidedtous. Measurementuncertaintyisonlyprovideduponrequestforaccreditedtests.Statementsofconformity arebasedonsimpleacceptancecriteriawithouttakingmeasurementuncertaintyintoaccount,unless otherwiserequestedinwriting.Youhave15daysfromdateofissuanceofthisreporttonotifyusofany materialerrororomissioncausedbyournegligenceorifyourequiremeasurementuncertainty; provided,however,thatsuchnoticeshallbeinwritingandshallspecificallyaddresstheissueyouwish toraise.Afailuretoraisesuchissuewithintheprescribedtimeshallconstituteyourunqualified acceptanceofthecompletenessofthisreport,t…

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