2AFSG-A47audio

THANKS FOR YOUR PURCHASE! A USER MANUAL MINI KARAOKE MACHINE WITH MICROPHONE 1 1 2 2 3 3 4 24 4 5 5 11 12 13 14 15 11 12 13 14 6789 10 6 789 10 TopBack Button Operation B Bluetooth Pairing C specification D Synchronizing Speaers(TWS) E Charging F Indicator Light G Warning &Tips Long press 2-3s to power on/off the speaker Short press to change mode (Bluetooth Mode-->TF Card Mode-->USB Flash Drive Mode-->AUX Mode) 1.Take out the type-C charging cable include in the package. 2.Use the included type-C end of the charging cable to connect the speaker or microphone,and plug the another end into power supply with a adapter(not included), they will be start charging. 3.When the speaker/microphone is charging, the indicator light turns red. Once it is fully charged, the red indicator light will turn off. 1. When Bluetooth is not connected, the indicator light turns blue and flashes once per second. When Bluetooth is successfully connected,the blue indicator light will remain on. 2. When entering the TWS, the indicator light of main speaker turns blue and flashes once per second. When TWS is successfully paired, the blue indicator light of the main speaker will remain on, and the blue indicator light of the secondary speaker flashes slowly. 3. When is charging, the indicator light turns red. Once it is fully charged, the red indicator light will turn off. 1. The Speaker will alarm once a minute for "Low Power", and will shut down after the third time. 2. The Microphone will alarm once every 3 minutes for "Low Power", and will shut down after the third time. 3. It will automatically shut down after 15 minutes when Bluetooth is not connected or connected without playing 4. Can be selected one microphone or two microphones together (but two receiving positions should be reserved when layout 5. Can be K song in TWS connection state 6. Microphone delay is 10ms FCC Statement 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. (2)This device must accept any interference received, including interference that may cause undesired operation. 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 residential installation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCCRules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipmentgenerates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmfulinterference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If thisequipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, theuser 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 technician for help. This equipment should be installed and operated with a minimum distance of 20 cm between the radiator and your body 1.Please fully charged the speaker and microphone before use. 2.Do not expose this product to rain or moisture. 3.Store and use the product at room temperature. 4.Do not drop the product to avoid damage caused by falling. 5.Please use the rated voltage power supply to charge the product. Long press to choose the previous song Short press to down the volume of speaker Long press to choose the next song Short press to raise the volume of speaker Short press these two buttons at the same time to enter/exit TWS when you want to use multiple speakers Long press to disconnect the Bluetooth Short press to play/pause the music When there is an incoming call: Short press to answer/hang up the call Long press to reject the call Short press to turn on/off the LED light Short press to change the light mode(3 different light mode) Long press 2-3s to turn on/off the microphone Short press to switch the reverb adjustment/vol- ume adjustment Note: if there is a pairing record, You need to disconnect from the record device, otherwise the speaker will automatically connect the device you connected before. 1.Long press the power button to turn on the speaker, you can hear a sound "Power On".(The default mode is Bluetooth mode.) 2.When you hear a sound "Bluetooth pairing",This means it is looking for a Bluetooth pairing. 3.Turn on your bluetooth of your smart device. Choose the bluetooth which named “A47". The speaker will pair your smart phone successfully When you hear the prompt sound "Bluetooth connected" Voice Changer Short press to change your voice:Male Voice--Lolita Voice--Monster Voice--Minions Voice. Double click to remove/restore music vocals Short press to raise the reverb/volume of microphone Short press to down the reverb/volume of microphone TF Card port AUX port Indicator lightCharging port USB port Model A47 Bluetooth Version: AB5608 Bluetooth Range: >30m/98ft TWS Range: ≤15m/48ft Wireless Microphone Range: 10m/32ft 6W Maximum Speaker Power: Charging Input of speaker: Charging Input of microphone: Type-C 5V/1A Type-C 5V/0.3A 2H-3H Charging Time of speaker: Charging Time of microphone: Using time of microphone: 2H-3H 1800mAh ≥7H(With lights on and volume at 50%) 10H 3.937*3.937*3.217inch 5.275*1.476inch Speaker Battery…

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

Dongguan Jin wen hua digital technology Co., LTD. Covered Equipment Certification Attestation Letter 1/8/2024 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2AFSG-A47 Dongguan Jin wen hua digital technology Co., LTD. (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List , the applicant should include an explanation on why the equipment is not “covered” equipment. Dongguan Jin wen hua digital technology Co., LTD. (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Signed: Printed name: Luo Peng Title: Manager Company Name: Dongguan Jin wen hua digital technology Co., LTD. Date: 6/28/2024

Dongguan Saipin Electronic Technology Co., Ltd * the applicant must designate a contact located in the United States for purposes of acting as the applicant’s agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process. U.S. Agent Designation for Service of Process - Certification Attestation Letter 6/28/2024 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2AFSG-A47 FCC Registation Number (FRN): 0024857831 Per section 2.911(d)(7) of the FCC rules, Dongguan Jin wen hua digital technology Co., LTD. (“the applicant”) certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process: Company Name: SOUTH BAY INNOVATION LLC Physical U.S. Company Address: 23545 CRENSHAW BLVD STE 106 Torrance, CA 90505 Contact Person: Yueting Zhu Agent Email Address: [email protected] FCC Registation Number (FRN):0033401811 The above contact person accepts the obligation for service of process. The applicant accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Applicant Signed: Agent Signed (if different to Applicant): Signed: Signed: Printed name: Luo Peng Printed name: Yueting Zhu Title: Manager Title: Manager Date: 6/28/2024 Date: 6/28/2024

DATE: 2024-06-28 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act asAgent On our behalf, I appoint New Testing Centre Co., Ltd；3F, No. 1 the 1st North Industry Road, Songshan Lake Science &Technology Park, Dongguan, Guangdong, China, 523808. to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with Dongguan Jin wen hua digital technology Co., LTD. NO.1 hua Da Road, Long Bei Ling Village, Tangxia Town, Dongguan City, Guangdong, china <Signature> Name: Luo Peng Title: Manager Applicant Company: Dongguan Jin wen hua digital technology Co., LTD.

DATE 2024-06-28 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AFSG-A47 Product Name: audio Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...)  Schematics  Block diagram  Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. <Signature> Name: Luo Peng Title: Manager Applicant Company: Dongguan Jin wen hua digital technology Co., LTD.

External photos Model No: A47

Label and label location Model No: A47 audio Model: A47 FCC ID: 2AFSG‐A47 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. FCC ID: 2AFSG‐A47

Internal Photos Model No: A47 BLE Antenna BT Antenna

RF Exposure Letter According to 447498 D01 General RF Exposure Guidance v06 The 1‐g and 10‐g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune‐up tolerance, mW)/(min. test separation distance, mm)] ·[√f(GHz)] ≤ 3.0 for 1‐g SAR and ≤ 7.5 for 10‐g extremity SAR, where f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation The result is rounded to one decimal place for comparison Then SAR evaluation is not required FCC ID: 2AFSG‐A47 Worse case is as below: [2402 MHz 4.55dBm（2.85mW） output power] (2.85mW /5mm) ·[√2.402(GHz)]= 0.884<3.0 for 1‐g SAR

ReportNo.:NTCER1911011 DongguanNewTestingCentreCo.,LtdE-mail ： [email protected] 3F,No.1the1stNorthIndustryRoad,SongshanLakeScience&TechnologyPark,Dongguan,Guangdong,China,523808 DONGGUANNEWTESTINGCENTRECO.,LTD ◎ Address:3F,No.1the1stNorthIndustryRoad,SongshanLakeScience&TechnologyPark,Dongguan,Guangdong, China,523808 Tel:+86-769-22212079Web:http://www.ntc-cert.com  E-mail:[email protected] FCCTESTREPORT ReportNo.............................................: NTC-ER2406004 Applicant’sname ............................... : DongguanJinwenhuadigitaltechnologyCo.,LTD Address ................................................ : NO.1huaDaRoad,LongBeiLingVillage,TangxiaTown, DongguanCity,Guangdong,china DONGGUANNEWTESTINGCENTRECO.,LTD ◎ Address:1F&3F,No.1the1stNorthIndustryRoadSongshanLakeScience&TechnologyParkDongguan,People’s RepublicofChina523808  Tel:+86-769-22212079  Web: http://www.ntc-cert.com E-mail:[email protected] DongguanNewTestingCentreCo.,LtdE-mail：[email protected] 1F&3F,No.1the1stNorthIndustryRoadSongshanLakeScience&TechnologyParkDongguan,People’sRepublicofChina523808 Page1of51ReportNo.:NTC-ER2406004 TABLEOFCONTENTS TestReportDeclare.....................................................................................................................................3 1.SummaryOfTestResults..................................................................................................................5 2.GeneralTestInformation....................................................................................................................5 2.1.DescriptionofEUT ..............................................................................................................................5 2.2.DescriptionofTestModesandTestFrequency ............................................................................6 2.3.Assistantequipmentusedfortest.....................................................................................................7 2.4.BlockdiagramEUTconfigurationfortest........................................................................................7 2.5.Testenvironmentconditions ..............................................................................................................8 2.6.Measurementuncertainty ...................................................................................................................9 2.7.EquipmentsUsedDuringTheTest..................................................................................................9 3.PowerLineConductedEmissionTest...........................................................................................11 3.1.Blockdiagramoftestsetup..............................................................................................................11 3.2.Powerlineconductedemissionlimits(classB)...........................................................................11 3.3.Testprocedure ...................................................................................................................................12 3.4.Testresult ...........................................................................................................................................12 4.RadiatedEmissionTest....................................................................................................................17 4.1.Blockdiagramoftestsetup..............................................................................................................17 4.2.Limit ......................................................................................................................................................19 4.3.Testprocedure...................................................................................................................................20 4.4.Testresult...........................................................................................................................................20 5.MaximumPeakOutputPower .........................................................................................................27 5.1.Appliedprocedures/limit .................................................................................................................27 5.2.Testprocedure...................................................................................................................................27 5.3.Deviationfromstandard...................................................................................................................27 5.4.Testsetup...........................................................................................................................................27 5.5.TestResults........................................................................................................................................27 6.-6dBBandwidthTest .........................................................................................................................30 6.1.Appliedprocedures/limit .................................................................................................................30 6.2.Testprocedure...................................................................................................................................30 6.3.Deviationfromstandard...................................................................................................................30 6.4.Testsetup ...........................................................................................................................................30 6.5.Testresults .........................................................................................................................................30 7.PowerSpectralDensity....................................................................................................................33 7.1.Appliedprocedures/limit..................................................................................…

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

RF Exposure Letter According to 447498 D01 General RF Exposure Guidance v06 The 1‐g and 10‐g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune‐up tolerance, mW)/(min. test separation distance, mm)] ·[√f(GHz)] ≤ 3.0 for 1‐g SAR and ≤ 7.5 for 10‐g extremity SAR, where f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation The result is rounded to one decimal place for comparison Then SAR evaluation is not required FCC ID: 2AFSG‐A47 Worse case is as below: [2402 MHz 4.55dBm（2.85mW） output power] (2.85mW /5mm) ·[√2.402(GHz)]= 0.884<3.0 for 1‐g SAR

Setup photos Model No: A47 Conduction Emission Radiated Emission 30MHz – 1GHz Above 1GHz