2AO23-KSET3Karaoke speaker

Whats Included: • Light Up Karaoke Speaker• USB-C Charging Cable• 3.5mm AUX cable• Two Microphones Indicator: SpeakerSolid Red - Charging No Red Light - Fully ChargedFlashing Blue - Ready to PairSolid Blue - Paired • Bing Bong Tone - Power On• Descending Chime - Power Off• Double Beeps - Ready to Pair• Electric Tone - Paired• Double Dial Beeps - Low Battery• Double Beeps Followed by a Descending Chime - Disconnect• Bing Bing Tone - Max/Min. volume MicrophoneSolid Red - Charging No Red Light - Fully ChargedFlashing Blue - Disconnect from SpeakerSolid Blue - Connected to Speaker • One Beep - Switch Sound Effects • Bing Bing Tone - Max/Min. volume Wireless Speaker with 2 Microphones Pairing: • Hold the power button to turn the speaker on. • Use Bluetooth settings on your phone to pair with KSET3.• Electric tone - pairing successful. NOTE: when the speaker is turned on and not connected to Bluetooth, it will automatically shut off after 10 minutes. Connect the Microphones to the Speaker: The microphone is connected to the speaker by default after it is turned on.NOTE: when the microphones is turned on and not connected to speaker, it will automatically shut off after 10 minutes. Charging: Charging the speaker • Full charge requires approximately 2.5 hours.• Using the cable provided, plug the USB-C end into the speaker and the USB-A end into a USB power supply of at least DC 5V 1A warning: please use UL compliant power supply. • The indicator light will turn red when charging, the indicator light will turn off when charging is complete. Charging the microphone • Full charge requires approximately 3 hours.• Using the cable provided, plug the USB-C end into the microphone and the USB-A end into a USB power supply of at least DC 5V 0.5A warning: please use UL compliant power supply. • The indicator light will turn red when charging, the indicator light will turn off when charging is complete. NOTE: The microphone cannot be used while charging. AUX/Line in: • Insert the AUX cable into the speaker AUX port.• Insert the opposite end of your AUX cable into the media source (phone, laptop, etc.). Micro SD Card Mode: • Insert your micro SD card into the speaker micro SD card Slot.• Audio will automatically play after a few seconds. NOTE: Only MP3 format can be played in this mode. USB Flash Drive Mode: • Insert your USB flash drive into the speaker USB-A Port.• Audio will automatically play after a few seconds. NOTE: Only MP3 format can be played in this mode. Troubleshooting: • If the speaker is not working correctly, switch it on/off to reset. • If the speaker won’t turn on, recharge the battery and try again.• If the speaker won’t charge, make sure the supply works, is 5V 1A, and not damaged. • If the speaker makes no sound or does not show as an available device, make sure it is not paired with another device, if so unpair the device and repair the desired device. • If the microphone is not picking up any sound, Ensure the microphone is turned on and the volume has been turned up. • If microphone is whistling, do not place the powered microphone close to or facing the speaker. • If unable to read USB drive or SD card, ensure the USB/SD card contain music in MP3 format.• When playing music, if there is no original vocals, hold the “ Microphone ” button on the microphone or press the “ Microphone ” button on the speaker to turn the accompaniment off . Safety: • Do not modify or repair this device. • Do not use in high temperatures or extreme weather.• Do not use chemical detergents to clean your device, use a soft dry cloth. SAVE THESE INSTRUCTIONS Light Up Karaoke Speaker Power ButtonHold - Power On/Off Press - Pause/Play Press - Vol. Down Hold - Prev. Track Press - Vol. Up Hold - Next Track Press - Bluetooth Mode/ USB Flash Drive Mode/micro SD card Mode/AUX ModeNOTE:Only works when at least 2 modes are detected Microphone BottonPress - Suppress/Reverse Vocals in Music Hold - RGB Light On/Off Press - RGB Light Effect Switch RGB Light 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 FC C Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipmen t generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful in terference to radio communications. • 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 device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: 1) This device may no t cause harmful interference, and 2) this device must accept any interference received, including interference that may cause undesired operati on. Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s auth ority to operate the equipment. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause har mful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to co rrect the interference by one or more of the following measures: gemsfindyours.com 7157 Shady Oak RD, Eden Prairie, MN 55344 Distributed by Chug, Inc.For qualified repair specialists requesting repair information and parts please contact the original manufacturer at [email protected] Input (Speaker): 5V ํา 1A; Input (microphone): 5V ํา 0.5A Made in China The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction. Speaker Front FCC ID…

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1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company Name: Chug, Inc. FRN: 0027222264 Contact Name: Michael Clemmer Address: 7157 Shady Oak Road Eden Prairie, MN 55344 Telephone No: 612-868-2191 Email: [email protected] Applicant: Company name: Chug, Inc. FRN: 0027222264 Product Description: Karaoke speaker Grantee code: 2AO23 FCC ID: 2AO23-KSET3 Contact Name: Michael Clemmer Address: 7157 Shady Oak Road Eden Prairie, MN 55344 Telephone No: 612-868-2191 Email: [email protected] [Chug, Inc.] certifies that, as of the date of this filing of the application with the TCB, [Chug, Inc.] is our designated US agent for service of process for the above referenced FCC ID. [Chug, Inc.] 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 equipment. [Chug, Inc.] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 08.24.2026 Applicant’s Name: Michael Clemmer US Agent’s Name: Michael Clemmer Title: general manager Title: general manager Signature Signature

Attestation Statement. Old Code: C5266091 24 New Code: 00015544 Ed.3 Change reason: FRN is added to the Applicant information section. 1/1 TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: Chug, Inc. Grantee code: 2AO23 FCC ID: 2AO23-KSET3 FRN: 0027222264 Contact Name: Michael Clemmer Address: 7157 Shady Oak Road Eden Prairie, MN 55344 Telephone No: 612-868-2191 Fax No: 612-868-2191 Email: [email protected] i. [Chug, Inc.] (“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. The applicant must sign this certification. ii. [Chug, Inc.] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. Chug, Inc. 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. Date: 08.24.2026 Applicant’s Name: Michael Clemmer Title: general manager Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist

Chug, Inc. Code 00018768 Ed. 2 Item 1. The device is able to install software/program installation? ☐ Yes, go to Item 2. ☒ No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky cybersecurity or anti-virus software. Item 2. Technical Requirements for Kaspersky Cybersecurity Software: # General Requirements (For all Devices) Yes / No or N/A Comments 1 Internet connection for activation and updates (For all Operating Systems) N/A Device Karaoke speaker Company name Chug, Inc. Grantee code 2AO23 FCC ID 2AO23-KSET3 FRN 0027222264 Contact name Michael Clemmer Address 7157 Shady Oak Road Eden Prairie, MN 55344 Telephone number 612-868-2191 E-mail [email protected] Chipset/module information AC7065D Operating System (if applicable) N/A Storage Capacity (hard drive or other permanent memory storage, if applicable) N/A 2 # General Requirements (For Windows Devices) Yes / No or N/A Comments 1 Storage: 1500 MB free space on the hard drive N/A 2 Operating System: Microsoft Windows 8, 8.1, 10 & 11 Home / Pro / Enterprise Microsoft Windows 7 Starter / Home Basic & Premium / Professional / Ultimate SP1 or higher N/A 3 Processor: 1 GHz or higher (x86 or x64) N/A 4 Memory (RAM)1 GB (32-bit) or 2 GB (64-bit) N/A 5 Screen Resolution: Minimum resolution of 1024 x 768 N/A # General Requirements (For macOS devices) Yes / No or N/A Comments 1 Operating System macOS® 13 – 14 N/A 2 Memory (RAM)4 GB N/A 3 Storage: 3455 MB free space on the hard drive N/A # General Requirements (For Android Devices) Yes / No or N/A Comments 1 Storage: 150 MB free space N/A 2 Operating System: Android™ 10 – 14 N/A 3 Screen Resolution: Minimum resolution of 320 x 480 N/A # General Requirements (for iOS devices) Yes / No or N/A Comments 1 Storage: 150 MB free space N/A 2 Operating System: iOS® 17 N/A 3 # General Requirements (For Linux system) Yes / No or N/A Comments 1 Hard drive: 1 GB of free space N/A 2 CPU: Intel Pentium 1 GHz or higher N/A 3 RAM: 1 GB N/A 4 Minimum software requirements: AlmaLinux OS 8 or later; AlterOS 7.5 or later; Astra Linux Common Edition 2.12 or later; CentOS 6.7 or later; Debian GNU/Linux 10.0 or later; EulerOS 2.0 or later; Oracle Linux 7.3 or later ; Red Hat Enterprise Linux 6.7 or later ; Rocky Linux 8.5 or later ; SUSE Linux Enterprise Server 12.5 or later; Ubuntu 12.04 or later ; Uncom OS Home / Business / Education / Enterprise 2.2 or later; ALT Linux Workstaton / Workstation K / Server / Education 8 or later; ROSA Linux Workstation / Server 12 or later ; RED OS 7.3 and later ; N/A After reviewed the technical requirements, is the device capable of supporting the installation of Kaspersky software? ☐ Yes, go to Item 3. ☒ No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky software 4 Item 3. Connectivity Capabilities: # Physical Interface Purpose Justification 1 1 # Wireless Interface Purpose Justification 1 1 After the review of this items, the device: ☒ Cannot support installation of any cybersecurity or anti-virus software on the covered list. ☐ Potentially can operate with any cybersecurity or anti-virus software on the covered list – additional third- party proof is provided to demonstrate compliance with requirements as of 2.911(d)5(i),(ii) – “Proof of Compliance with Covered List Software Requirements” of this document applies Signature: Name: Michael Clemmer Date: 8/24/2026 1 The justification field is used to justify why the software cannot be received through that interface. Check the annex for more indications.

TCB CALL página 1 File FCC ID: 2AO23-KSET3 Please upload an exhibit that explains how does the TCB verify the new agent information: 1- Is the address of the agent a valid physical US mailing address (not a US post office box, not a virtual mailbox, not P.O. Boxes, not a vacant lot, not a public building, etc.) ○ We have checked if the address exists in a real and potential building (Google maps) + official US register, after this verification and the evidence below we can guarantee the following: not a US post office box not a virtual mailbox not P.O. Boxes not a vacant lot not a public building(note) ► We checked the FCC FRN Search based on the information provided by the grantee. On the official register from MINNESOTA: https://mblsportal.sos.mn.gov/Business/SearchDetails?filingGuid=1cbe3ac2-2979-e611-816e-00155d01c56d TCB CALL página 2 In google: This is a company that physically located at that valid US address. TCB CALL página 3 ► CONCLUSION by TCB: The ASOP defined and provided by grantee is VALID and confirmed. Therefore the exhibit "C5266091_X23_Ed1_US_Agent_Letter" included in the file is ok. 2- Is the agent physically located at that valid US address such that the agent can be legally served at that address? Yes , check above 3- Has the listed agent clearly agreed in writing to serve as the agent for the grantee at that address? Yes, it is included in the exhibit "C5266091_X23_Ed1_US_Agent_Letter" >

C5266091_X10_Ed.2 1/1 Chug, Inc. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 8/24/2026 Subject: Request for Confidentiality FCC ID: 2AO23-KSET3 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name: Michael Clemmer Title: General manager

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: Chug, Inc. Address: 7157 Shady Oak Road Eden Prairie, MN 55344 Product Name: Karaoke speaker Model Number: KSET3 FCC Identifier: 2AO23-KSET3 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Michael Clemmer Date: 8/24/2026 Title: General manager Signature of applicant:

Page 1 of 4 Report No.: MTi260629012-0104 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: 0755-88850135-1439 Mobile: 131-4343-1439 (Wechat same number) Web: http://www.mtitest.cn E-mail: [email protected] Photographs of the EUT (External Photos) Model: KSET3 Page 2 of 4 Report No.: MTi260629012-0104 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: 0755-88850135-1439 Mobile: 131-4343-1439 (Wechat same number) Web: http://www.mtitest.cn E-mail: [email protected] Page 3 of 4 Report No.: MTi260629012-0104 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: 0755-88850135-1439 Mobile: 131-4343-1439 (Wechat same number) Web: http://www.mtitest.cn E-mail: [email protected] Page 4 of 4 Report No.: MTi260629012-0104 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: 0755-88850135-1439 Mobile: 131-4343-1439 (Wechat same number) Web: http://www.mtitest.cn E-mail: [email protected]

Model: K SET 3 Input: 5V=1A � 孟罕笘 3 - K 盂�@ This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions (1) This device may not cause hanmful interference, and (2) this device must accept any interference received, including interference that may caus , EE C

Page 1 of 4 Report No.: MTi260629012-0104 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: 0755-88850135-1439 Mobile: 131-4343-1439 (Wechat same number) Web: http://www.mtitest.cn E-mail: [email protected] Photographs of the EUT (Internal Photos) Model: KSET3 Page 2 of 4 Report No.: MTi260629012-0104 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: 0755-88850135-1439 Mobile: 131-4343-1439 (Wechat same number) Web: http://www.mtitest.cn E-mail: [email protected] Page 3 of 4 Report No.: MTi260629012-0104 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: 0755-88850135-1439 Mobile: 131-4343-1439 (Wechat same number) Web: http://www.mtitest.cn E-mail: [email protected] Page 4 of 4 Report No.: MTi260629012-0104 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: 0755-88850135-1439 Mobile: 131-4343-1439 (Wechat same number) Web: http://www.mtitest.cn E-mail: [email protected] ANT

TESTREPORT ReportNo.:MTi260629012-0104E2 RFEXPOSURE TestReport ReportNo.:MTi260629012-0104E2 Dateofissue:2026-08-10 Applicant:CHUG,INC. Product:Karaokespeaker Model(s):KSET3 FCCID:2AO23-KSET3 ShenzhenMicrotestCo.,Ltd. TESTREPORT ReportNo.:MTi260629012-0104E2 Tableofcontents 1StandaloneSARtestexclusionconsiderations.................................................................4 2SARTestExclucsionThresholds.........................................................................................5 TESTREPORT ReportNo.:MTi260629012-0104E2 TestResultCertification ApplicantCHUG,INC. ApplicantAddress7157ShadyOakRoadEdenPrairie,MN55344,UnitedStates ManufacturerCHUG,INC. ManufacturerAddress7157ShadyOakRoadEdenPrairie,MN55344,UnitedStates Factory1PYSHigh-TechCo.,Ltd FactoryAddress Rooms101-1201(Floors1-12),No.35TongshunRoad,Xianglian Community,LonghuaSubdistrict,LonghuaDistrict,Shenzhen,Guangdong, China.(Multi-addressEnterpriseunderSingleBusinessLicense) Factory2PYSVIETNAMTECHNOLOGYCOMPANYLIMITED FactoryAddress CN-06,THUANTHANHIIINDUSTRIALZONE,MAODIENCOMMUNE THUANTHANHDISTRICT,BACNINH,VIETNAM Productdescription ProductnameKaraokespeaker Trademark ModelnameKSET3 SeriesModel(s)N/A Standards47CFRPart2.1093 TestmethodKDB447498D01v06 TestingInformation Dateoftest2026-07-06to2026-08-06 TestResultPass Preparedby:YaniceXie Reviewedby:DavidLee Approvedby:LewisLian TESTREPORT ReportNo.:MTi260629012-0104E2 1StandaloneSARtestexclusionconsiderations UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-g headorbodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions,by measurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARTest ExclusionThresholdcondition(s),listedbelow,is(are)satisfied. Thesetestexclusionconditionsarebasedonsource-basedtime-averagedmaximum conductedoutputpoweroftheRFchannelrequiringevaluation,adjustedfortune-uptolerance, andtheminimumtestseparationdistancerequiredfortheexposureconditions. Theminimumtestseparationdistancedefinedin4.1f)isdeterminedbythesmallestdistance fromtheantennaandradiatingstructuresoroutersurfaceofthedevice,accordingtothehost formfactor,exposureconditionsandplatformrequirements,toanypartofthebodyorextremity ofauserorbystander. ToqualifyforSARtestexclusion,thetestseparationdistancesappliedmustbefullyexplained andjustified,typicallyintheSARmeasurementorSARanalysisreport,bytheoperating configurationsandexposureconditionsofthetransmitterandapplicablehostplatform requirements,accordingtotherequiredpublishedRFexposureKDBprocedures. WhennootherRFexposuretestingorreportingarerequired,astatementofjustificationand compliancemustbeincludedintheequipmentapproval,inlieuoftheSARreport,toqualifyfor SARtestexclusion. Whenrequired,thedevicespecificconditionsdescribedintheotherpublishedRFexposure KDBproceduresmustbesatisfiedbeforeapplyingtheseSARtestexclusionprovisions. a)For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison  Thevalues3.0and7.5arereferredtoasnumericthresholdsinstepb)below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm, andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto4.1f)isappliedtodetermine SARtestexclusion. b)For100MHzto6GHzandtestseparationdistances>50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing(alsoillustratedinAppendixB): 1){[Powerallowedatnumericthresholdfor50mminstepa)]+[(testseparation distance–50mm)·(f(MHz)/150)]}mW,for100MHzto1500MHz 2){[Powerallowedatnumericthresholdfor50mminstepa)]+[(testseparation distance–50mm)·10]}mW,for>1500MHzand≤6GHz c)Forfrequenciesbelow100MHz,thefollowingmaybeconsideredforSARtestexclusion (alsoillustratedinAppendixC): 1)Fortestseparationdistances>50mmand<200mm,thepowerthresholdatthe correspondingtestseparationdistanceat100MHzinstepb)ismultipliedby[1+ log(100/f(MHz))] 2)Fortestseparationdistances≤50mm,thepowerthresholddeterminedbythe TESTREPORT ReportNo.:MTi260629012-0104E2 equationinc)1)for50mmand100MHzismultipliedby½ 3)SARmeasurementproceduresarenotestablishedbelow100MHz. WhenSARtestexclusioncannotbeapplied,aKDBinquiryisrequiredtodetermineSAR evaluationrequirementsforanySARtestresultsbelow100MHztobeacceptable. 2SARTestExclucsionThresholds Weuse5mmasseparationdistancetocalculated. BluetoothDSS: Transmit Frequency (MHz) Mode Measured Power (dBm) Tune-up power (dBm) Maxtune-upResult 1gSAR test exclusion threshold power(dBm)calculation 2402 GFSK 6.517±181.95583 24416.557±181.97163 24807.497±181.98733 2402 π/4-DQPSK 7.247±181.95583 24417.257±181.97163 24808.198±192.50183 Conclusion: Forthemaxresult:2.5018≤3.0for1gSARtestexclusionthreshold,NoSARisrequired. TESTREPORT ReportNo.:MTi260629012-0104E2 Statement 1.Thisreportisinvalidwithoutthesealandsignatureofthelaboratory. 2.Thetestresultsofthisreportareonlyresponsibleforthesamplessubmitted.Client shallberesponsibleforrepresentativenessofthesampleandauthenticityofthe material. 3.Thereportshallnotbepartiallyreproducedwithoutthewrittenconsentofthe Laboratory. 4.Thisreportisinvalidiftransferred,alteredortamperedwithinanyformwithout authorization. 5.Theobservationsortestswithspecialmarkfalloutsidethescopeofaccreditation, andareonlyusedforpurposeofcommission,research,training,internalquality controletc. 6.Anyobjectiontothisreportshallbesubmittedtothelaboratorywithin15daysfrom thedateofreceiptofthereport. ******ENDOFREPORT******

Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE038 Ver./Rev.：A1 Page 1 of 78 TestReport ReportNo.:MTi260629012-0104E1 Dateofissue:2026-08-10 Applicant:CHUG,INC. Product:Karaokespeaker Model(s):KSET3 FCCID:2AO23-KSET3 ShenzhenMicrotestCo.,Ltd. TESTREPORT ReportNo.:MTi260629012-0104E1 Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE038 Ver./Rev.：A1 Page 2 of 78 Tableofcontents 1GeneralDescription.......................................................................................................................4 1.1DescriptionoftheEUT.........................................................................................................4 1.2Descriptionoftestmodes.....................................................................................................4 1.3EnvironmentalConditions.....................................................................................................6 1.4Descriptionofsupportunits..................................................................................................6 1.5Measurementuncertainty.....................................................................................................6 2SummaryofTestResult................................................................................................................7 3TestFacilitiesandaccreditations................................................................................................8 3.1Testlaboratory......................................................................................................................8 4Listoftestequipment....................................................................................................................9 5EvaluationResults(Evaluation).................................................................................................11 5.1Antennarequirement..........................................................................................................11 6RadioSpectrumMatterTestResults(RF)................................................................................12 6.1ConductedEmissionatACpowerline...............................................................................12 6.220dBBandwidth..................................................................................................................15 6.3MaximumConductedOutputPower..................................................................................17 6.4ChannelSeparation............................................................................................................18 6.5NumberofHoppingFrequencies.......................................................................................20 6.6DwellTime..........................................................................................................................22 6.7RFconductedspuriousemissionsandbandedgemeasurement....................................24 6.8Bandedgeemissions(Radiated).......................................................................................25 6.9Radiatedemissions(below1GHz).....................................................................................31 6.10Radiatedemissions(above1GHz)...................................................…

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