2AO23-WMMS003MINI MAGNETIC SPEAKER

Compatible With Most Magnetic Phones & Cases MINI MAGNETIC SPEAKER Front FCC ID: 2AO23-WMMS003 Model: WMMS003 USB-C Input: 5V⎓400mA Made in China 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 generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference 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 di�erent 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 not cause harmful interference, and 2) this device must accept any interference received, including interference that may cause undesired operation. Warning: Changes or modi�cations to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment o� and on, the user is encouraged to try to correct the interference by one or more of the following measures: 8725 COLUMBINE RD EDEN PRAIRIE, MN 55344-6695, PO Box # 44895 Distributed by ZSOU. For quali�ed repair specialists requesting repair information and parts please contact the original manufacturer at [email protected] The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction. USB-C Charging Port Hold-Power On/O� Press -Play/Pause Double Press-TWS Pairing Mode Triple Press-Turn RGB Light On/O� in playback mode RGB Lights/Indicator lron ring with adhesive backing For non-magnetic phones or cases, remove the adhesive backing and attach the metal ring to your device to allow the speaker to attach WHATS INCLUDED: • Magnetic RGB Speaker • USB-A to USB-C Charging Cable • lron Ring with Adhesive Backing INDICATOR: • Solid Red - Charging • No Red Light - Fully Charged • Ascending Quadruple Tone - Power On •Descending Quadruple Tone - Power O� • Rapid Ascending Triple Tone - Paired • Rapid Descending Triple Tone - Disconnected • Steady Quadruple Tone - Low Battery PAIRING: • Hold power button for 3 seconds to turn on the speaker, the RGB light will turn on. • Use the Bluetooth settings on your phone to pair with WMMS003. • Note: when the speaker is turned on and not connected to Bluetooth, it will automatically shut o� after 5 minutes. In the power-o� state, press and hold power button for 10 seconds to reset. TWS (TRUE WIRELESS STEREO) PAIRING • You can pair two speakers of this same model together to get true stereo sound. • Turn Bluetooth o� on your device. • Power on both speakers. • Double-click the power button on either speaker to initiate TWS pairing. You will hear a chime when the two speakers successfully pair. • Turn Bluetooth back on your device and connect to WMMS003. Note: Once successfully paired for the �rst time, the speakers will automatically pair with each other the next time you turn them on. MAGNETIC ATTACHMENT GUIDE For iPhone 12/13/14/15/16/17 and above: • Snap the speaker directly onto the back of your phone (MagSafe area). For Other Phones/Cases: • Clean the back of your phone or case. •Peel the �lm o� the included Iron Ring. • Stick the ring to the center of your phone. • Attach the speaker to the ring. CHARGING: • Full charge requires approximately 2 hours. • Using the USB-C cable provided, plug USB-C end into speaker and USB-A end into a USB power supply of at least DC 5V 400mA. warning: please use UL compliant power supply. •The indicator light will turn red when charging, the indicator light will turn o� when charging is complete. TROUBLESHOOTING: • If the speaker is not working correctly, hold the power button to reset. • If the speaker won’t turn on, recharge the battery and try again. • If the speaker won’t charge, make sure the power supply works, is 5V 400mA, 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. SAFETY: • The speaker is splash resistant but do not submerge it under water. • 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 7 in 4.65 in FRONT BACK

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: MINI MAGNETIC SPEAKER Grantee code: 2AO23 FCC ID: 2AO23-WMMS003 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: 04.03.2026 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-WMMS003 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: 04.03.2026 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 MINI MAGNETIC SPEAKER Company name Chug, Inc. Grantee code 2AO23 FCC ID 2AO23-WMMS003 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 AB5605C 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: 4/3/2026 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-WMMS003 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: 4/3/2026 Subject: Request for Confidentiality FCC ID: 2AO23-WMMS003 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: MINI MAGNETIC SPEAKER Model Number: WMMS003 FCC Identifier: 2AO23-WMMS003 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: 4/3/2026 Title: General manager Signature of applicant:

Page1of7ReportNo.:MTi260128005-0104 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] PhotographsoftheEUT Model:WMMS003 External Page2of7ReportNo.:MTi260128005-0104 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Page3of7ReportNo.:MTi260128005-0104 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Page4of7ReportNo.: MTi260128005-0104 Address:101, No. 7, Zone 2, XinxingIndustrialPark, Fuhai Avenue,Xinhe Community,Fuhai Street, Bao ’an District,Shenzhen,Guangdong,China. Tel: 0755-88850135-1439Mobile:131-4343-1439(Wechatsame number)Web: http://www.mtitest.cnE-mail:[email protected]

10mm 10mm 4.6mm4.6mm Mode: WMMS003 Input: DC 5V 400mA FCC ID: 2AO23-WMMS003 Made in China 2610F Mode: WMMS003 Input: DC 5V 400mA FCC ID: 2AO23-WMMS003 Made in China 2610F 21.3mm 10.4mm

Page4of7ReportNo.: MTi260128005-0104 Address:101, No. 7, Zone 2, XinxingIndustrialPark, Fuhai Avenue,Xinhe Community,Fuhai Street, Bao ’an District,Shenzhen,Guangdong,China. Tel: 0755-88850135-1439Mobile:131-4343-1439(Wechatsame number)Web: http://www.mtitest.cnE-mail:[email protected] Internal Page5of7ReportNo.:MTi260128005-0104 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Page6of7ReportNo.:MTi260128005-0104 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] ANT Page7of7ReportNo.:MTi260128005-0104 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected]

Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsame number） Web:http://www.mtitest.cnE-mail:[email protected] Address:101, No. 7, Zone 2, XinxingIndustrialPark, Fuhai Avenue,Xinhe Community,Fuhai Street, Bao ’an District,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page 1 of 6 RF EXPOSURE Test Report ReportNo.:MTi260128005-0104E2 Date of Issue Applicant Product Model(s) FC C ID : 2026-03-24 : CHUG, INC. : MINI MAGNETIC SPEAKER : WMMS003 : 2AO23-WMMS003 ShenzhenMicrotestCo., Ltd . TESTREPORT ReportNo.:MTi260128005-0104E2 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-FE012 Ver./Rev.：A1 Page2of6 Tableofcontents 1StandaloneSARtestexclusionconsiderations.................................................................4 2SARTestExclucsionThresholds.........................................................................................5 TEST REPORT ReportNo.: MTi260128005-0104E2 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsame number） Web:http://www.mtitest.cnE-mail:[email protected] Address:101, No. 7, Zone 2, XinxingIndustrialPark, Fuhai Avenue,Xinhe Community,Fuhai Street, Bao ’an District,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page3of6 Test ResultCertification ApplicantCHUG,INC. ApplicantAddress7157 ShadyOak Road Eden Prairie,MN 55344 ManufacturerDongGuanFuLunElectronicsCo., Ltd Manufacturer Address No. 86 ShaxinRoad,TangxiaTown,DongguanCity, GuangdongProvince FactoryDongGuanFuLunElectronicsCo., Ltd FactoryAddressNo. 86 ShaxinRoad,TangxiaTown,DongguanCity, GuangdongProvince Productdescription Productname MINI MAGNETIC SPEAKER TrademarkZSOU ModelnameWMMS003 SeriesModel(s)N/A Standards47 CFR Part 2.1093 Test methodKDB 447498D01 v06 TestingInformation Date of test2026-03-13to 2026-03-20 Test ResultPass Preparedby :MaleahDeng Reviewedby:David Lee Approvedby:Lewis Lian TESTREPORT ReportNo.:MTi260128005-0104E2 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-FE012 Ver./Rev.：A1 Page4of6 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+ TESTREPORT ReportNo.:MTi260128005-0104E2 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-FE012 Ver./Rev.：A1 Page5of6 log(100/f(MHz))] 2)Fortestseparationdistances≤50mm,thepowerthresholddeterminedbythe equationinc)1)for50mmand100MHzismultipliedby½ 3)SARmeasurementproceduresarenotestablishedbelow100MHz. WhenSARtestexclusioncannotbeapplied,aKDBinquiryisrequiredtodetermineSAR evaluationrequirementsforanySARtestresultsbelow100MHztobeacceptable. 2SARTestExclucsionThresholds Weuse5mmasseparationdistancetocalculated. BluetoothDSS: Transmit Frequency (GHz) Mode Measured Power (dBm) Tune-up power (dBm) Maxtune-upResult 1gSAR test exclusion threshold power(dBm)calculati…

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Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsame number） Web: http://www.mtitest.cnE-mail:[email protected] Address:101, No. 7, Zone 2, XinxingIndustrialPark, Fuhai Avenue,Xinhe Community,Fuhai Street, Bao ’an District,Shenzhen,Guangdong,China Q/MTI-QP-12-FE038 Ver./Rev.：A1 Page 1 of 87 Test Report ReportNo.:MTi260128005-0104E1 Date of issue Applicant Product Model(s) FCC ID : 2026-03-24 : CHUG, INC. : MINI MAGNETIC SPEAKER : WMMS003 : 2AO23-WMMS003 ShenzhenMicrotestCo., Ltd. TESTREPORT ReportNo.:MTi260128005-0104E1 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 87 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 5RadioSpectrumMatterTestResults(RF).................................................................................11 5.1ConductedEmissionatACpowerline...............................................................................11 5.220dBBandwidth..................................................................................................................14 5.3MaximumConductedOutputPower..................................................................................16 5.4ChannelSeparation............................................................................................................17 5.5NumberofHoppingFrequencies.......................................................................................19 5.6DwellTime..........................................................................................................................20 5.7RFconductedspuriousemissionsandbandedgemeasurement....................................22 5.8Bandedgeemissions(Radiated).......................................................................................23 5.9Radiatedemissions(below1GHz).....................................................................................26 5.10Radiatedemissions(above1GHz)....................................................................................30 Photographsofthetestsetup...........................................................................................................34 PhotographsoftheEUT.....................................................................................................................35 AppendixA:20dBEmissionBandwidth..........................................................................................37 AppendixB:Maximumconductedoutputpower...........................................................................43 AppendixC:Carrierfrequencyseparation......................................................................................49 AppendixD:Timeofoccupancy.......................................................................................................52 AppendixE:Numberofhoppingchannels.....................................................................................60 AppendixF:Bandedgemeasurements...........................................................................................63 AppendixG:ConductedSpuriousEmission..................................................................................69 TEST REPORT ReportNo.: MTi260128005-0104E1 Tel: 0755-88850135-1439Mobile:131-4343-1439(Wechatsame number)Web: http://www.mtitest.cnE-mail:[email protected] Address:101, No. 7, Zone 2, XinxingIndustrialPark, Fuhai Avenue,Xinhe…

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