2BC3W-K400SPortable Karaoke Speaker

Bluetooth ON LOW CHARGE MUSIC VOL DALTON USER’S GUIDE K400S 5 www.dalton.com.vnHotline: 0941.009.559 CAUTION WARNING: TO REDUCE THE RISK OF FIRE O R E L ECTRI C S H O CK. D O N O T EXPO S E THIS EQUIPMENT TO RAIN OR MOISTURE. Warning: the mains plug or AC inlet is used as dissconnect device shall remain readily operable. Warning: connect only to mains socket with protective earthing connection. Warning: to reduce the risk of electric shock, do not remove cover (or back) as there are no user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be - The exclamation point within an equilateral triangle is intended to alert the user to the presence appliance. 3. Heed all warnings. 5. Do not use this apparatus near water. 6. Clean only with a dry cloth. liquids, such as vases, are placed on this apparatus. 11. Do not defeat the safety purpose of the polarized or grounding type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong is provided for your safety. If the provided 12. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. been damaged in any way, such as power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or unplugged. 16. Unplug the power cord when fully charged. IMPORTANT SAFETY INSTRUCTIONS INTRODUCTION TO THE K400S - Output power: 500W. - Woofer: 12 inches. - Tweeter: 1.5 inches. - Integration of wireless microphones UHF, can change the frequency. - Support USB. - Support Bluetooth connect. - Control button: Bass/Mid/Treble/Echo/Delay for Micro and Bass/ Treble for Music distinct. - Input Connectors: musical instruments and external microphone. - Playtime: 2-5 hours depending on used power level. - Power source: AC120V or Battery 12V. Bluetooth USB 120VAC 60Hz 12VDC INPUT POWER ON LOW CHARGE MUSIC VOL MIC IN POWER: 500W K400S Portable Sound System LINE OUT AUX IN MIC VOL MIC BASS MIC TREBLE MUSIC TREBLE MUSIC BASS DELAY ECHO CAUTION MADE IN VIETNAM WARNING: TO REDUCE THE RISK OF FIRE O R ELECTRIC SHOCK. DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. USER’S GUIDE 1. POWER SOURCE 12VDC: Input Connectors external DC 12V source. AC- 120V/50Hz-60Hz: Connect to AC power supply. - On: the “ON” LED indicator should now be illuminated. At this point, you are ready to make audio connections. - Low: The “LOW” LED is the battery power need to be charged. - Charge: The “CHARGE” LED status is charging. POWER: LED LIGHT: Power Connection Guide for Speaker: - Insert the cable AC 120V plug into the AC 120/50Hz-60Hz to charge the speaker. - When the speaker is charging, the light “Charge” is red. - When the speaker is fully charged (6-8 hours) the light “Charge” changes to green color. - When not in use for a long time (30 days), it needs to be charged again and continue to use. - To ensure the age of the battery, we need to turn off the speaker when it charging. ON LOW CHARGE POWER - Connect Microphone to Speaker: - Turn off the speaker and Microphone. - Press and hold the microphone power button and "SET" button at the same time for about 4 seconds to start the auto frequency detection mode (LCD blinks continuously). - Turn on Power Switch. - After 5s press the “SET” button again to complete connection. Change Frequency for Microphone: - Press the “ SET” button repeatedly to change the frequency of the microphone. 4. SETTING FREQUENCY OF WIRELESS MICRO. 1 LCD SWITCH SET ON LOW CHARGE POWER 2 3 POWER R 2. MUSIC CONTROL 3. MIC CONTROL : Control increase/decrease the amount of treble (hi) frequency response for music. MUSIC TREBLE : Control increase/decrease music volume level. MUSIC VOL : Control increase/decrease the amount of bass (low) frequency response for music. MUSIC BASS : Connect RCA cable to outside player such as TV, DVD... AUX IN : Connect using RCA cable to another Bluetooth speaker, amplifier ... LINE OUT : Control increase/decrease the amount of delay frequency applied to the microphone. DELAY : Control increase/decrease the amount of bass (low) frequency applied to the microphone. MIC BASS : Connector for wire or wireless external microphone. MIC IN : Control increase/decrease the amount of echo frequency applied to the microphone. ECHO : Control increase/decrease volume level for the 2 wireless microphones include in the machine and external microphone. MIC VO L : Control increase/decrease the amount of treble (hi) frequency applied to the microphone. MIC TREBLE MUSIC VOL MUSIC TREBLE MUSIC BASS LINE OUT AUX IN MIC IN MIC VOL MIC BASS MIC TREBLE DELAY ECHO TECHNICAL ASSISTANCE If you have any questions or need guidance, please contact the hotline: 0941.009.559 during office hours for direct consultation. 5. CHOOSE AND ADJUST MUSIC MODE K108A integrated with music features from USB, Bluetooth. 6. BLUETOOTH CONNECTION MAIN FUNCTIONS: 7. STANDARD CALIBRATION LEVEL FOR DALTON SPEAKER Setting: - Turn on the power switch, and default speaker in Bluetooth mode. - Turn on Bluetooth mode on the device that wants to connect with the speaker (Phone, iPad, Laptop...). - In the search interface on the device (phone) select ID “Dalton BT03” to process connect and play music. Press and hold the Pause/Play button on speakers for 2-3s when users want to disconnect Bluetooth with a connecting device ( Phone). Bluetooth USB 120VAC 60Hz 12VDC INPUT POWER ON LOW CHARGE MUSIC VOL MIC IN POWER: 500W K400S Portable Sound System LINE OUT AUX IN MIC VOL MIC BASS MIC TREBLE MUSIC TREBLE MUSIC BASS DELAY ECHO CAUTION MADE IN VIETNAM WARNING: TO REDUCE THE RISK OF FIRE O R ELECTRIC SHOCK. DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. - : Pause/Play. + Pause/Play song. + Hold about 3 seconds to disconnect/ reconnect the speaker’s Bluetooth from your device. - : Prev…

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-ThienThanhDatJSC- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 10/19/23 Towhomitmayconcern: We,[ThienThanhDatJSC],herebycertifythattheequipmentforwhichauthorizationissought(FCC ID:[2BC3W-K400S])isnot“covered”equipmentprohibitedfromreceivinganequipmentauthorization pursuantto§2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,wearenotidentifiedontheCovered List(https://www.fcc.gov/supplychain/coveredlist)asanentityproducing“covered”equipment. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(b)and(d)(5)and(6). Sincerely, Signature ThanhVinhTruong CEO’sAssistant ThienThanhDatJSC 6 2 _ [ m o d e l ] C o v e r e d E q u _ 2 . 9 1 1 ( d ) ( 5 ) ( i ) a n d ( i i ) - U , V 0 2

ProjectNo.:18220WC301979Page 1 of 4 AppendixII--ExternalPhotograph ProjectNo.:18220WC301979Page 2 of 4 ProjectNo.:18220WC301979Page 3 of 4 ProjectNo.:18220WC301979Page 4 of 4

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ProjectNo.:18220WC301979Page 1 of 4 AppendixIII--InternalPhotograph ProjectNo.:18220WC301979Page 2 of 4 ProjectNo.:18220WC301979Page 3 of 4 ProjectNo.:18220WC301979Page 4 of 4 ANT

Page1of33 AppendixTestData ReportNo.:18220WC30197902TestSampleNo.:1-2-2 StartTestDate: 2023.09.27 FinishTestDate:2023.10.08 TestEngineer:Auditor: Temperature:26.5 °C RelativeHumidity:53.4% Pressure:101kPa AppendixA:DTSBandwidth TestResult TestModeAntennaFrequency[MHz] DTSBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt1 24020.662401.622402.280.5PASS 24400.642439.632440.260.5PASS 24800.642479.622480.270.5PASS BLE_2MAnt1 24021.092401.422402.510.5PASS 24401.092439.402440.490.5PASS 24801.092479.402480.500.5PASS Page2of33 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page3of33 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page4of33 BLE_2M_Ant1_2480 Page5of33 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntennaFrequency[MHz] OCB[MHz] FL[MHz]FH[MHz] BLE_1MAnt1 24021.0352401.43262402.4675 24401.0232439.44062440.4635 24801.0392479.42862480.4675 BLE_2MAnt1 24022.0382400.94112402.9790 24402.0222438.94112440.9630 24802.0542478.92512480.9790 Page6of33 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page7of33 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page8of33 BLE_2M_Ant1_2480 Page9of33 AppendixC:Maximumconductedoutputpower TestResultPeak TestModeAntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict BLE_1MAnt1 24020.54≤30PASS 24400.88≤30PASS 24801.18≤30PASS BLE_2MAnt1 24020.71≤30PASS 24401.29≤30PASS 24801.35≤30PASS Page10of33 TestGraphsPeak BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page11of33 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page12of33 BLE_2M_Ant1_2480 Page13of33 AppendixD:Maximumpowerspectraldensity TestResult TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt1 2402-15.52≤8.00PASS 2440-15.27≤8.00PASS 2480-15.00≤8.00PASS BLE_2MAnt1 2402-17.03≤8.00PASS 2440-16.46≤8.00PASS 2480-16.19≤8.00PASS Page14of33 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page15of33 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page16of33 BLE_2M_Ant1_2480 Page17of33 AppendixE:Bandedgemeasurements TestResult TestMod e Antenn a ChNam e Frequency[MHz ] RefLevel[dBm ] Result[dBm ] Limit[dBm ] Verdic t BLE_1MAnt1 Low24020.20-54.39≤-19.8PASS High24800.57-56.76≤-19.43PASS BLE_2MAnt1 Low24020.32-49.28≤-19.68PASS High24800.92-56.63≤-19.08PASS Page18of33 TestGraphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 BLE_2M_Ant1_Low_2402 Page19of33 BLE_2M_Ant1_High_2480 Page20of33 AppendixF:ConductedSpuriousEmission TestResult TestMod e Antenn a Frequency[MHz ] FreqRange [MHz] RefLeve l [dBm] Result[dBm ] Limit[dBm ] Verdic t BLE_1MAnt1 2402 Reference-1.70-1.70---PASS 30~1000-1.70-68.24≤-21.7PASS 1000~2650 0 -1.70-51.65≤-21.7PASS 2440 Reference-1.10-1.10---PASS 30~1000-1.10-68.09≤-21.1PASS 1000~2650 0 -1.10-58.34≤-21.1PASS 2480 Reference-1.61-1.61---PASS 30~1000-1.61-68.92≤-21.61PASS 1000~2650 0 -1.61-59.26≤-21.61PASS BLE_2MAnt1 2402 Reference-3.72-3.72---PASS 30~1000-3.72-67.51≤-23.72PASS 1000~2650 0 -3.72-60.64≤-23.72PASS 2440 Reference-3.45-3.45---PASS 30~1000-3.45-69.01≤-23.45PASS 1000~2650 0 -3.45-53.49≤-23.45PASS 2480 Reference-4.06-4.06---PASS 30~1000-4.06-69.01≤-24.06PASS 1000~2650 0 -4.06-58.19≤-24.06PASS Page21of33 TestGraphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 Page22of33 BLE_1M_Ant1_2440_0~Reference BLE_1M_Ant1_2440_30~1000 Page23of33 BLE_1M_Ant1_2440_1000~26500 BLE_1M_Ant1_2480_0~Reference Page24of33 BLE_1M_Ant1_2480_30~1000 BLE_1M_Ant1_2480_1000~26500 Page25of33 BLE_2M_Ant1_2402_0~Reference BLE_2M_Ant1_2402_30~1000 Page26of33 BLE_2M_Ant1_2402_1000~26500 BLE_2M_Ant1_2440_0~Reference Page27of33 BLE_2M_Ant1_2440_30~1000 BLE_2M_Ant1_2440_1000~26500 Page28of33 BLE_2M_Ant1_2480_0~Reference BLE_2M_Ant1_2480_30~1000 Page29of33 BLE_2M_Ant1_2480_1000~26500 Page30of33 AppendixG:DutyCycle TestResult TestModeAntennaFrequency[MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] BLE_1MAnt1 24022.102.5084.000.76 24402.102.5084.000.76 24802.102.5084.000.76 BLE_2MAnt1 24021.071.8856.912.45 24401.071.8856.912.45 24801.071.8856.912.45 Page31of33 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page32of33 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page33of33 BLE_2M_Ant1_2480 ---End---

ReportNo.:18220WC30197902FCCID:2BC3W-K400SPage1of32 FCCTestReport Applicant:ThienThanhDatJSC Address: 32BinhLongstr.,PhuThanhward,TanPhu district,HoChiMinhcity,Vietnam ProductName:PortableKaraokeSpeaker ReportDate:Oct.19,2023 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC30197902FCCID:2BC3W-K400SPage2of32 Contents 1.GeneralInformation.................................................................................................................................6 1.1.ClientInformation...........................................................................................................................6 1.2.DescriptionofDevice(EUT)..........................................................................................................6 1.3.AuxiliaryEquipmentUsedDuringTest..........................................................................................7 1.4.Operationchannellist....................................................................................................................8 1.5.DescriptionofTestModes.............................................................................................................8 1.6.MeasurementUncertainty.............................................................................................................8 1.7.TestSummary................................................................................................................................9 1.8.DescriptionofTestFacility...........................................................................................................10 1.9.Disclaimer....................................................................................................................................10 1.10.TestEquipmentList....................................................................................................................11 2.Antennarequirement..............................................................................................................................13 2.1.Conclusion...................................................................................................................................13 3.ConductedEmissionatACpowerline..................................................................................................14 3.1.EUTOperation.............................................................................................................................14 3.2.TestSetup....................................................................................................................................14 3.3.TestData......................................................................................................................................15 4.OccupiedBandwidth..............................................................................................................................17 4.1.EUTOperation.............................................................................................................................17 4.2.TestSetup....................................................................................................................................17 4.3.TestData......................................................................................................................................17 5.MaximumConductedOutputPower......................................................................................................18 5.1.EUTOperation.............................................................................................................................18 5.2.TestSetup....................................................................................................................................18 5.3.TestData......................................................................................................................................18 6.PowerSpectralDensity..........................................................................................................................19 6.1.EUTOperation.............................................................................................................................19 6.2.TestSetup....................................................................................................................................19 6.3.TestData......................................................................................................................................19 7.Emissionsinnon-restrictedfrequencybands.......................................................................................20 7.1.EUTOperation.............................................................................................................................20 7.2.TestSetup....................................................................................................................................20 7.3.TestData......................................................................................................................................20 8.Bandedgeemissions(Radiated)..........................................................................................................21 8.1.EUTOperation.............................................................................................................................21 8.2.TestSetup....................................................................................................................................21 8.3.TestData......................................................................................................................................22 9.Emissionsinfrequencybands(below1GHz).......................................................................................24 9.1.EUTOperation.............................................................................................................................24 9.2.TestSetup............................................................…

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version01 ThienThanhDatJSC DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.:K400S,K250S,K300S,K350S,K450S,K500S,K550S,K600S,K650S,K700S, K750S,K800S,K850S,K900S,K950S,K250X,K300X,K350X,K400X,K450X,K500X,K550X, K600X,K650X,K700X,K750X,K800X,K850X,K900X,K950X,K300G,K450G,K550G,K650G, K850G,K950G,DS-12XPro,DS-15XPro,DS-18XPro,DS-12XPro2,DS-15XPro2,DS-18XPro2, DS-12XPro5,DS-15XPro5,DS-18XPro5,DS-12XPro7,DS-15XPro7,DS-18XPro7,DS-12XPro9, DS-15XPro9 FCCID:2BC3W-K400S fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsfor internal antennatype(s) describedbelow: ModelNo.ofantenna:2.4GANT Typeofantenna:PCBantenna Gainoftheantenna:-0.58dBi Frequencyrange:2400~2500MHZ Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname:ThienThanhDatJSC Address:32BinhLongstr.,PhuThanhward,TanPhudistrict,HoChiMinhcity, Vietnam City:HoChiMinhcity ZIP/Postalcode:/ Country:Vietnam Place:HoChiMinhcityDate:10/19/2023 Signature:

Inverted F Antenna Specification Summary ITEMANT SPEC Model Name 2.4G ANT HorizontalVertical 2400MHz 2 450MHz2500MHz2400MHz 2 450MHz 2500MHz Center Frequency -1.26-0.76-0.58-5.25-2.46-1.86 MAX. Gain -0.58dB PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI 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) MaxMinAvg 2400-1.26174-30.0801-7.18716 2450-0.765802-36.5604-7.48023 2500-0.585582-22.0315-6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain (dB) Frequency (MHz) MaxMinAvg 2400-5.2537-22.1424-12.4294 2450-2.4652-24.5837-10.4702 2500-1.86120-29.5214-9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

ProjectNo.:18220WC301979Page 1 of 2 AppendixI--TestSetupPhotograph_RF ConductedEmissionatACpowerline Emissionsinfrequencybands(below1GHz) ProjectNo.:18220WC301979Page 2 of 2 Emissionsinfrequencybands(above1GHz)