2BVN7-R618Portable speaker

InstructionManual Packagingcontent 1xSpeaker 1xType-Cchargingcable 1xInstructionmanual Productspecifications Speakerpower:10W Batterycapacity:1500mah Transmissiondistance:≤10M Inputvoltage:DC5V1A Chargingtime:Around3-5hours Playtime:Around3-8hoursat50%volume Unitsize:245*124*83mm ProductFeatures TWSconnection Bluetooth TFcardreader USBplay TFcardplay ButtonInstructions 1.PowerON&OFF/Switchlightcolor&on/off Longpressforpoweron/off Singleclicktoswitchlightmode(11modestotal) Lightmodelindetailasbelow: 1.Quickhorceracingcolorfullights 2.Singlecolorhorseracingswitching 3.7colorswitchingspreadfrommiddletobothsides 4.Breathinglightsgradualchange6colors（red,yellow,lightgreen,darkgreen,blue, purple) 5.Breathinglight6colors(blue,purple,red,yellow,lightgreen,darkgreen) 6.Singlecolorswitchingred,green,blue 7.Gradualchangecolorfullight 8.Keepgreen 9.Keepwhite 10.Keepblue 11.Keeppurple Doubleclicktoswitchlighton/off Tripleclicktoswitchon/offthevoicepromptwithsoundof“Do” M 2.Play/Pause/SwitchModes Singleclicktoplay/pause Longpresstoswitchmodes DoubleclickforBluetoothconnection/disconnection TribleclickforTWSconnection/disconnection 3.Nexttrack/Volumeincrease/TWS Longpresstoplaynextsong Shortpresstoincreasevolume 4.Previoustrack/Volumedecrease/TWS Longpresstoplayprevioussong Shortpresstodecreasevolume Bluetoothconnection 1.PowerontheunitorswitchtoBluetoothmode. 2.UseyourBluetoothdevicetosearchformodelname"ISB316", thentaptoconnect. 3.Onceconnectsuccessfullythespeakerwillissueatone,youare readytoenjoymusic. 4.Automaticshutdownwithshutdownpromptsoundafter5 minuteswhenBluetoothisnotconnected. 5.Whenthebatteryislow,alowbatteryalertwillsoundonceper minuteforatotalof5times. TWSconnection 1.Poweronbothspeakersatthesametimeorswitchto Bluetoothmode(makesurebothspeakershavenotconnectedto anyofyourBluetoothdevices). 2.Trible-clickthe“play”buttononanyofthespeakers,aftera while,thetwospeakerswillconnectsuccessfullyandwillissuea soundof“Do”afterconnectedsuccessfully. 3.UseyourBluetoothdevicetosearchfortheBluetoothname "ISB316",taptoconnectit,youarereadytoenjoystereosound. FCCStatement Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowing two conditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemust acceptanyinterferencereceived,includinginterferencethatmaycauseundesired operation.ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClass Bdigitaldevice,pursuanttopart15oftheFCCRules.Theselimitsaredesignedto providereasonableprotectionagainstharmfulinterferenceinaresidentialinstallation. Thisequipmentgenerates,usesandcanradiateradiofrequencyenergyand,ifnot installedandusedinaccordancewiththeinstructions,maycauseharmfulinterferenceto radiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurina particularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioor televisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,the userisencouragedtotrytocorrecttheinterferencebyoneormoreofthefollowing measures: •Reorientorrelocatethereceivingantenna. •Increasetheseparationbetweentheequipmentandreceiver. •Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiver isconnected. •Consultthedealeroranexperiencedradio/TVtechnicianforhelp. Caution:Anychangesormodificationstothisdevicenotexplicitlyapprovedby manufacturercouldvoidyourauthoritytooperatethisequipment. RFExposureInformation ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.Thedevice canbeusedinportableexposureconditionwithoutrestriction.

DTSGroupLimited Unit603,KamHonIndustrialBuilding,No.8,WangKwunRoad,KowloonBay, Kowloon,HongKong Date:2026/4/28 FCCID:2BVN7-R618 DearSir/Madam, We,DTSGroupLimitedHerebydeclaresthefollowingstatementforFederalCommunications Commission,allmodelsarejustnameandcolordifferences,motherboard,PCBcircuit board,chip,electroniccomponentsisallthesame: Productname:Portablespeaker Modelno.:R618,640,ISB316TN Sincerely, PrintedNameofSignee:SylviaYu/Maneger Company:DTSGroupLimited Address:Unit603,KamHonIndustrialBuilding,No.8,WangKwunRoad,KowloonBay, Kowloon,HongKong Phone:+86-19573414872 Fax:/ Email:[email protected]

DNT2604141481R02786-P01Page: 1 of 4 PHOTOGRAPHSOFEUT FCCID:2BVN7-R618 ExternalPhotos ExternalPhotos DNT2604141481R02786-P01Page: 2 of 4 ExternalPhotos ExternalPhotos DNT2604141481R02786-P01Page: 3 of 4 ExternalPhotos ExternalPhotos DNT2604141481R02786-P01Page: 4 of 4 ExternalPhotos ExternalPhotos --END--

FCCID:2BVN7-R618

DNT2604141481R02786-P01Page: 1 of 4 PHOTOGRAPHSOFEUT FCCID:2BVN7-R618 InternalPhotos InternalPhotos DNT2604141481R02786-P01Page: 2 of 4 InternalPhotos InternalPhotos DNT2604141481R02786-P01Page: 3 of 4 InternalPhotos InternalPhotos DNT2604141481R02786-P01Page: 4 of 4 InternalPhotos --END--

DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] RFExposureEvaluationReport PreparedBy:(TestingEngineer) ReviewedBy:(ProjectEngineer) ApprovedBy:(Manager) ApplicationNo.: DNT2604141481R02786-03558 Applicant: DTSGroupLimited AddressofApplicant: Unit603,KamHonIndustrialBuilding,No.8,WangKwunRoad,KowloonBay, Kowloon,HongKong EUTDescription: Portablespeaker ModelNo.: R618 Additionalmodel(s): 640,ISB316TN FCCID: 2BVN7-R618 PowerSupply(EUT): Input:5V;DC3.7VFromBattery TradeMark: / Standards: 47CFRPart2.1093 FCCKDB447498D04v01 DateofReceipt: 2026/04/14 DateofTest: 2026/04/14to2026/04/24 DateofIssue: 2026/04/24 TestResult:PASS Note:Ifthereisanyobjectiontotheresultsinthisreport,pleasesubmitawritteninquirytothecompanywithin15daysfromthedateof receivingthereport.Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,andisissuedbythecompanyinaccordance withtherequirementsofthe"ConditionsofIssuanceofTestReports"printedintheattachedpage.Unlessotherwisestated,theresults presentedinthisreportonlyapplytothesamplestestedthistime.Partialreproductionofthisreportisnotallowedunlessapprovedbythe companyinwriting. ReportNo.:DNT2604141481R02786-03558Date：April24,2026Page： 2 / 8 DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] ReportReviseRecord ReportVersionReviseTimeIssuedDateValidVersionNotes V1.0/ April24,2026 ValidOriginalReport ReportNo.:DNT2604141481R02786-03558Date：April24,2026Page： 3 / 8 DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] Contents RFEXPOSUREEVALUATIONREPORT.............................................................................................................................................1 1GENERALINFORMATION..................................................................................................................................................................4 1.1TESTLOCATION.................................................................................................................................................................................4 1.2GENERALDESCRIPTIONOFEUT.....................................................................................................................................................4 1.3TESTFACILITY...................................................................................................................................................................................5 1.4MEASUREMENTUNCERTAINTY(95%CONFIDENCELEVELS,K=2)....................................................................................................5 2RFEXPOSUREEVALUATION............................................................................................................................................................6 2.1RFEXPOSURECOMPLIANCEREQUIREMENT..................................................................................................................................6 ReportNo.:DNT2604141481R02786-03558Date：April24,2026Page： 4 / 8 DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] 1GeneralInformation 1.1TestLocation Company:DongguanDNTestingCo.,Ltd Address: No.1,WestFourthStreet,SouthXinfaRoad,WushaLiwu,Chang＇anTown, DongguanCity,GuangdongP.R.China Testengineer:GaliLin 1.2GeneralDescriptionofEUT Manufacturer: DTSGroupLimited AddressofManufacturer: Unit603,KamHonIndustrialBuilding,No.8,WangKwunRoad,KowloonBay, Kowloon,HongKong EUTDescription: Portablespeaker ModelNo.: R618 AdditionalModel(s): 640,ISB316TN PowerSupply(EUT): Input:DC5V;DC3.7VFromBattery TradeMark:/ HardwareVersion:V1.0 SoftwareVersion:V1.0 ChipType: AD25E003465-65E4 Serialnumber PR2604141481R02786 SampleType:PortableDevice,Module,MobileDevice AntennaType: External,Integrated AntennaPorts: Ant1,Ant2,Ant3 AntennaGain: Providedbyapplicant 2.92dBi Note: *Allmodelsarejustnameandcolordifferences,motherboard,PCBcircuitboard,chip,electroniccompo nentsisallthesame. *Sincetheabovedataand/orinformationisprovidedbytheclientrelevantresultsorconclusionsofthis reportareonlymadeforthesedataand/orinformation,DNTisnotresponsiblefortheauthenticity,integrity andresultsofthedataandinformationand/orthevalidityoftheconclusion. ReportNo.:DNT2604141481R02786-03558Date：April24,2026Page： 5 / 8 DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] 1.3TestFacility Thetestfacilityisrecognized,certified,oraccreditedbythefollowingorganizations: LabA: •FCC,USA DesignationNumber:CN1348 •A2LA(CertificateNo.7050.01) DONGGUANDNTESTINGCO.,LTD.isaccreditedbytheAmericanAssociationforLaboratory Accreditation(A2LA).CertificateNo.7050.01. •Innovation,ScienceandEconomicDevelopmentCanada DONGGUANDNTESTINGCO.,LTD.EMCLaboratoryhasbeenrecognizedbyISEDasanaccreditedtesting laboratory.CABidentifierisCN0149. IC#:30755. . 1.4MeasurementUncertainty(95%confidencelevels,k=2) No.ItemMeasurementUncertainty 1 20dBEmissionBandwidth±0.0196% 2 CarrierFrequencySeparation±1.9% 3 NumberofHoppingChannel±1.9% 4 TimeofOccupancy±0.028% 5 MaxPeakConductedOutputPower±0.743dB 6 Band-edgeSpuriousEmission±1.328dB 7 ConductedRFSpuriousEmission 9KHz-1GHz:±0.746dB 1GHz-26GHz:±1.328dB No.ItemMeasurementUncertainty 1ConductionEmission±3.0dB(150kHzto30MHz) 2RadiatedEmission ±4.8dB(Below1GHz) ±4.8dB(1GHzto6GHz) ±4.5dB(6GHzto18GHz) ±5.02dB(Above18GHz) ReportNo.:DNT2604141481R02786-03558Date：April24,2026Page： 6 /…

Text truncated - open the document above for the full version.

2.4G-2.48G频段板载PIFA天线测试报 Manufacturer:DTS Group Limited Address of Manufacturer: Unit 603,Kam Hon Industrial Building,No.8,Wang Kwun Road,Kowloon Bay, Kowloon,Hong Kong 告 SPECIFICATIONS Frequency（MHz）2400-2480 PeakGain（dBi）2.92 AverageGain（dBi）＞-3 VSWR＜1.6 Impedance（Ω）50Ω AntennaTypePlannarInvertedFonboard PolarizationLinear 测试环境：中科国技暗室测试系统 Z X Y 天线无源 S 参数： 驻波比（VSWR）、回波损耗（ReturnLoss）及史密斯圆图 天线效率及增益 Frequency（MHz）Gain（dBi）Effciency（%）AverageGain（dBi）Efficiency（dB） 24002.9272.20%-1.14-1.41 24101.9561.36%-2.05-2.12 24202.0061.00%-1.98-2.15 24300.8047.29%-3.09-3.25 24400.1240.82%-3.87-3.89 24500.9748.41%-3.08-3.15 24601.2853.80%-2.81-2.69 24701.2951.75%-2.98-2.86 24801.7958.79%-2.45-2.31 Average1.4655.05%-2.61-2.65 Peak2.9272.20%-1.14-1.41 天线2400MHz2D-ThetaPattern 天线2440MHz2D-ThetaPattern 天线 2480MHz2D-ThetaPattern 天线2400MHz2D-PhiPattern 天线2440MHz2D-PhiPattern 天线2480MHz2D-PhiPattern 天线 2400MHz3D-TotalPattern 天线2440MHz3D-TotalPattern 天线 2480MHz3D-TotalPattern

Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] FCC Test Report Prepared By:(Testing Engineer) Reviewed By:(Project Engineer) Approved By:(Manager) Application No.: DNT2604141481R02786-03556 Applicant: DTS Group Limited Address of Applicant: Unit 603,Kam Hon Industrial Building,No.8,Wang Kwun Road,Kowloon Bay, Kowloon,Hong Kong EUT Description: Portable speaker Model No.: R618 Additional Model(s): 640,ISB316TN FCC ID: 2BVN7-R618 Power Supply(EUT): Input:5V;DC 3.7V From Battery Trade Mark: / Standards: 47 CFR Part 2, Subpart J 47 CFR Part 15, Subpart C ANSI C63.10: 2020 Date of Receipt: 2026/04/14 Date of Test: 2026/04/14 to 2026/04/24 Date of Issue: 2026/04/24 Test Result:PASS Note: If there is any objection to the results in this report, please submit a written inquiry to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp, and is issued by the company in accordance with the requirements of the "Conditions of Issuance of Test Reports" printed in the attached page. Unless otherwise stated, the results presented in this report only apply to the samples tested this time. Partial reproduction of this report is not allowed unless approved by the company in writing. Report No.: DNT2604141481R02786-03556Date：April 24, 2026Page： 2 / 55 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Report Revise Record Report VersionRevise TimeIssued DateValid VersionNotes V1.0/ April 24, 2026 ValidOriginal Report Report No.: DNT2604141481R02786-03556Date：April 24, 2026Page： 3 / 55 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 1 Test Summary Test ItemTest RequirementTest MethodTest ResultResult Antenna Requirement 15.203/247(b/c)--Clause 3.1PASS Duty Cycle----Clause 3.2PASS DTS (6 dB) Bandwidth15.247 (a)(2)ANSI C63.10: 2020Clause 3.3PASS Conducted Output Power15.247 (b)(3)ANSI C63.10: 2020Clause 3.4PASS Power Spectral Density15.247 (e)ANSI C63.10: 2020Clause 3.5PASS Band-edge for RF Conducted Emissions 15.247(d)ANSI C63.10: 2020Clause 3.6PASS RF Conducted Spurious Emissions 15.247(d)ANSI C63.10: 2020Clause 3.7PASS Radiated Spurious Emissions15.247(d);15.205/15.209ANSI C63.10: 2020Clause 3.8PASS Restricted bands around fundamental frequency (Radiated Emission) 15.247(d);15.205/15.209ANSI C63.10: 2020Clause 3.9PASS AC Power Line Conducted Emission 15.207ANSI C63.10: 2020Clause 3.10PASS Note: 1. “N/A” denotes test is not applicable in this test report. Report No.: DNT2604141481R02786-03556Date：April 24, 2026Page： 4 / 55 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Contents 1 Test Summary..................................................................................................................................................................3 2 General Information..........................................................................................................................................................5 2.1 Test Location..........................................................................................................................................................5 2.2 General Description of EUT...................................................................................................................................5 2.3 Test Environment...................................................................................................................................................6 2.4 Channel List........................................................................................................................................................... 6 2.5 Power Setting of Test Software............................................................................................................................. 7 2.6 Assistant equipment used for test..........................................................................................................................7 2.7 Description of Support Units.................................................................................................................................. 7 2.8 Test Facility............................................................................................................................................................7 2.9 Equipment List....................................................................................................................................................... 8 2.10 Measurement Uncertainty (95% confidence levels, k=2).................................................................................. 10 3 Test results and Measurement Data..............................................................................................................................11 3.1 Antenna Requirement..........................................................................................................................................11 3.2 Duty Cycle............................................................................................................................................................12 3.3 DTS (6 dB) Bandwidth......................................................................................................................................... 13 3.4 Conducted Output Power.........…

Text truncated - open the document above for the full version.

Report No.: DNT2604141481R02786-03556Date：April 24, 2026Page： 50 / 55 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Test Graphs BLE_1M-Ant1-2402-0~Reference-PASS BLE_1M-Ant1-2402-30~1000-PASS BLE_1M-Ant1-2402-1000~26500-PASS Report No.: DNT2604141481R02786-03556Date：April 24, 2026Page： 51 / 55 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_1M-Ant1-2440-0~Reference-PASS BLE_1M-Ant1-2440-30~1000-PASS BLE_1M-Ant1-2440-1000~26500-PASS Report No.: DNT2604141481R02786-03556Date：April 24, 2026Page： 52 / 55 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_1M-Ant1-2480-0~Reference-PASS BLE_1M-Ant1-2480-30~1000-PASS BLE_1M-Ant1-2480-1000~26500-PASS Report No.: DNT2604141481R02786-03556Date：April 24, 2026Page： 53 / 55 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_2M-Ant1-2402-0~Reference-PASS BLE_2M-Ant1-2402-30~1000-PASS BLE_2M-Ant1-2402-1000~26500-PASS Report No.: DNT2604141481R02786-03556Date：April 24, 2026Page： 54 / 55 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_2M-Ant1-2440-0~Reference-PASS BLE_2M-Ant1-2440-30~1000-PASS BLE_2M-Ant1-2440-1000~26500-PASS Report No.: DNT2604141481R02786-03556Date：April 24, 2026Page： 55 / 55 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_2M-Ant1-2480-0~Reference-PASS BLE_2M-Ant1-2480-30~1000-PASS BLE_2M-Ant1-2480-1000~26500-PASS The End Report

DNT2604141481R02786-P01Page: 1 of 3 PHOTOGRAPHSOFEUT FCCID:2BVN7-R618 AntennaTerminalTestView DNT2604141481R02786-P01Page: 2 of 3 RadiatedEmissionTestView|(Below1G) RadiatedEmissionTestView|(Above1G) DNT2604141481R02786-P01Page: 3 of 3 RadiatedEmissionTestView|(Above1G) ConductedEmissionTestView --END--