2APTY-K1PROMini Mic Pro with Charging Case

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Rev 1/26/2023 LeadingPlus Electronic Co.,Ltd Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 12-30-2025 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2APTY-K1PRO [LeadingPlus Electronic Co.,Ltd] 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. [LeadingPlus Electronic Co.,Ltd] certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Device is inherently compliant based on hardware limitations or software controls. or A Software Bill of Materials (SBOM) is provided to the TCB for review, and The end-user or third parties cannot install additional software on this device. Sincerely, (Applicant signature) (Applicant printed name) Jessie Chen Rev 1/26/2023 LeadingPlus Electronic Co.,Ltd Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 12-30-2025 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2APTY-K1PRO [LeadingPlus Electronic Co.,Ltd] ce8rtifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) Jessie Chen

LeadingPlus Electronic Co.,Ltd U.S. Agent Letter of Attestation To: Federal Communications Commission 7435 Oakland Mills Road, Columbia, MD 21046, USA Date: December 30, 2025 Ref: Attestation Statement – Part 2.911(d)(7) filing FCC ID: 2APTY-K1PRO LeadingPlus Electronic Co.,Ltd (“the applicant”) certifies that, as of the date of the filing of the application, CLF Import and Export Limited (“the agent”) is our designated U.S. agent for service of process for the above reference FCC ID. The applicant accepts to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. The applicant further acknowledges it is our responsibility to inform the FCC whenever the agent information changes. CLF Import and Export Limited ("the agent) understand it is the agent's obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address. Designated U.S. Agent Company Name: CLF Import and Export Limited FRN: 0033489683 Address: 1312 17th Street #692, Denver, CO 80202, United States Signature: Contact Person: David Chen Tel: +1 949 254 2565 Email: [email protected] Applicant Company Name: LeadingPlus Electronic Co.,Ltd FRN: 0027524008 Address: Room 102, Building A2, Demei lndustrial Center, Donghuan 2nd Road, Longhua Street, Shenzhen, Guangdong, China Signature: Contact Person: Jessie Chen Tel: 0755-82512157 Email: [email protected]

SMD CERAMIC ANTENNA Data Sheet For 2400-2484MHz CA-2450-31-A 3.2x1.6mm [EIA1206] Rev. 1.1 | 1 SHENZHEN CSCURVE ANTENNA TECHNOLOGY CO.,LTD. 305, building C,urban Shanhai center,No.11,Zhongxing Road,Bantian street, Longgang District, Shenzhen Wide bandwidth,lowcost Rev. 1.1 | 2 Light weight,compact Built-in antenna with high gain SHAPES AND DIMENSIONS Dimensions in mm FEATURES APPLICATIONS Bluetooth IEEE802.11g/b Zigbee systems,etc... L WA H 3.10 ± 0.10 1.55 ± 0.10 0.40 ± 0.20 0.50 ± 0.10 SHENZHEN CSCURVE ANTENNA TECHNOLOGY CO.,LTD. 305, building C,urban Shanhai center,No.11,Zhongxing Road,Bantian street, Longgang District, Shenzhen Size Material Frequency Type Data
Sheet SMD CERAMIC ANTENNA TECHNOLOGY 2. 67 dB i 72. 30 % 50 W El ect ri cal C h a r a ct e ri st i c s p e r l in e ( TA = 2 5 °C ) Fr e q u e n c y B a n d P o l a r iz a t i o n Line P e ak G a in E ff i c i e n c y Im p e n da n ce P a r t N u m b e r in g Sy ste m MH CA - 2450 - 31 - A z U n i t s 2400~2483 S p ec if i ca t i o n P a r a m e t e r SHENZHEN CSCURVE ANTENNA TECHNOLOGY CO.,LTD. 305, building C,urban Shanhai center,No.11,Zhongxing Road,Bantian street, Longgang District, Shenzhen SHENZHEN CSCURVE ANTENNA TECHNOLOGY CO.,LTD. 305, building C,urban Shanhai center,No.11,Zhongxing Road,Bantian street, Longgang District, Shenzhen Rev. 1.1 | 3 SHENZHEN CSCURVE ANTENNA TECHNOLOGY CO.,LTD. 305, building C,urban Shanhai center,No.11,Zhongxing Road,Bantian street, Longgang District, Shenzhen Rev. 1.1 | 4 EVALUATION BOARD SHENZHEN CSCURVE ANTENNA TECHNOLOGY CO.,LTD. 305, building C,urban Shanhai center,No.11,Zhongxing Road,Bantian street, Longgang District, Shenzhen Laying copper on the bottom layer Top layer coated with copper Drilling holes ANT Laying copper on the bottom layer Top layer coated with copper Rev. 1.1 | 5 RADIATION PATTERNS(Test by:CCIC Southern) 2.4GHz WLAN BAND ◎ 3D Gain Pattern (2400 MHz) 2.67 1.34 0.5 -0.34 -1.18 -2.02 -2.86 -3.7 -4.54 -5.38 -6.22 -7.07 -7.91 -8.75 -9.59 -10.4 -11.3 -12.1 ◎ 3D Gain Pattern (2440 MHz) 2.16 1.69 0.78 -0.13 -1.05 -1.96 -2.87 -3.78 -4.69 -5.61 -6.52 -7.43 -8.34 -9.26 -10.2 -11.1 -12 -12.9 ◎ 3D Gain Pattern (2480 MHz) 2.42 1.09 0.36 -0.37 -1.09 -1.82 -2.54 -3.27 -4 -4.72 -5.45 -6.18 -6.9 -7.63 -8.35 -9.08 -9.81 -10.5 SHENZHEN CSCURVE ANTENNA TECHNOLOGY CO.,LTD. 305, building C,urban Shanhai center,No.11,Zhongxing Road,Bantian street, Longgang District, Shenzhen Rev. 1.1 | 6 FREQUENCY CHARACTERISTICS EFFICIENCY AND VSWR SHENZHEN CSCURVE ANTENNA TECHNOLOGY CO.,LTD. 305, building C,urban Shanhai center,No.11,Zhongxing Road,Bantian street, Longgang District, Shenzhen Pre heating Rev. 1.1 | 7 RECOMMENDED REFLOW PROFILE 60-180s 60-150s 20-40s 150 - 200°C 217°C 260°C T empera t u re (° C) Time(s) SHENZHEN CSCURVE ANTENNA TECHNOLOGY CO.,LTD. 305, building C,urban Shanhai center,No.11,Zhongxing Road,Bantian street, Longgang District, Shenzhen Rev. 1.1 | 8 PACKAGING STYLE REEL DIMENSIONS TAPE DIMENSIONS F ea t u r e S p ec ifi ca t i o n s W P E 4. 0 8.00 0 1.75 F P T o l e r a n ces ±0.30 ±0.10 ±0.10 ±0.10 2 3.50 2.00 D1. 50 P o 1 0 P o ±0.10 +0.10 -0.00 ±0.10 4.00 40.00 ±0.20 Typing Quantity: 5000 pieces per 7” reel SHENZHEN CSCURVE ANTENNA TECHNOLOGY CO.,LTD. 305, building C,urban Shanhai center,No.11,Zhongxing Road,Bantian street, Longgang District, Shenzhen Order Information Device Package NetWeight Carrier Quantity Tape & Ree HSF Status CA-2450-31-A 3216 l 5000pcs RoHS compliant Revision histor y Date Revision First Versio Description of changes n The contents of this data sheet are subject to change without notice. Please confirm the specifications and delivery conditions when placing your order. © Copyright 2015, Keweixin Electronics All rights reserved 2018-11-5 0.0089g 1.0 Rev. 1.1 | 8 1.1 Update the package information 2022- 8- 5 SHENZHEN CSCURVE ANTENNA TECHNOLOGY CO.,LTD. 305, building C,urban Shanhai center,No.11,Zhongxing Road,Bantian street, Longgang District, Shenzhen

LeadingPlus Electronic Co.,Ltd Date: December 30, 2025 Product Model Number: K1 Pro, mini-mic-pro-charging-case FCC ID: 2APTY-K1PRO To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following: • Testing • Approval applications and procedures We declare that QAI Laboratories Ltd. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by QAI Laboratories Ltd. on our behalf shall have the same effect as acts of our own. By: Jessie Chen Contact Listed on FCC Wesbite Title: Sales Manager Email: [email protected] Telephone: 0755-82512157 On behalf of: LeadingPlus Electronic Co.,Ltd

LeadingPlus Electronic Co.,Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: December 30, 2025 Subject; Request for Confidentiality FCC ID: 2APTY-K1PRO To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure Software Security Requirements for UNII devices It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Jessie Chen Title: Sales Manager

LeadingPlus Electronic Co.,Ltd Room 102, Building A2, Demei lndustrial Center, Donghuan 2nd Road, Longhua Street, Shenzhen, Guangdong, China Model Difference Statement DATE: December 30, 2025 Product Model Number: K1 Pro, mini-mic-pro-charging-case FCC ID: 2APTY-K1PRO Dear Sir/Madam, Added models mini-mic-pro-charging-case basis of the original product K1 Pro The color of appearance and model name of series models listed are different from the main model, but the circuit and the electronic construction are the same, declared by the manufacturer. Sincerely, Name: Jessie Chen Title: Manager Company name: LeadingPlus Electronic Co.,Ltd Address: Room 102, Building A2, Demei lndustrial Center, Donghuan 2nd Road, Longhua Street, Shenzhen, Guangdong, China

Report No: DSP25101166-1E FCC ID: 2APTY-K1PRO Annex of Test Report Annex A. EUT External Photos Model: K1 Pro EUT View 1 EUT View 2 Report No: DSP25101166-1E FCC ID: 2APTY-K1PRO Annex of Test Report EUT View 3 EUT View 4 Report No: DSP25101166-1E FCC ID: 2APTY-K1PRO Annex of Test Report EUT View 5 EUT View 6 Report No: DSP25101166-1E FCC ID: 2APTY-K1PRO Annex of Test Report EUT View 7

Report No: DSP25101166-1E FCC ID: 2APTY-K1PRO Annex of Test Report Annex D. Label and Information FCC Label Sample Label Size:2cm*1cm FCC Label Specifications Text is Black in color and is justified. Labels are printed in indelible ink on permanent adhesive backing or silk-screened onto the EUT or shall be affixed at a conspicuous location on the EUT. Where the EUT is constructed in two or more sections connected by wires and marketed together, the above statement is required to be affixed only to the main control unit. When the EUT is so small or for such use that it is not practicable to place the statement on it, the above information shall be placed in a prominent location in the instruction manual or pamphlet supplied to the user or, alternatively, shall be placed on the container in which the device is marketed. FCC Label Location

Report No: DSP25101166-1E FCC ID: 2APTY-K1PRO Annex of Test Report Annex B. EUT Internal Photos Model: K1 Pro EUT Internal View 1 EUT Internal View 2 SMD Antenna Report No: DSP25101166-1E FCC ID: 2APTY-K1PRO Annex of Test Report EUT Internal View 3 EUT Internal View 4

FCC ID: 2APTY-K1PRO RF Exposure Evaluation According to KDB 447498 D01 General RF Exposure Guidance v06 and part 2.1093，Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition(s), listed below, is (are) satisfied. For 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: [(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 Here, The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. For BR+EDR Max Conducted Power(dBm) Tune-up Power(dBm) Max Tune-up Power(dBm) Max Power(mW) Frequency(MHz) Min. distance(mm) Calc. thresholds limit 1.98 1(±1) 2 1.585 2480 5 0.4992 3.0 So a SAR test is not required

Report No: DSP25101166-1E FCC Test Report Page 1 of 46 FCC TEST REPORT FCC ID: 2APTY-K1PRO Report No. : DSP25101166-1E Applicant : LeadingPlus Electronic Co.,Ltd Product Name : Mini Mic Pro with Charging Case Model Name : K1 Pro Test Standard : FCC Part 15.247 Date of Issue : 2025-11-20 Shenzhen CCUT Quality Technology Co., Ltd. 1F, Building 35, Changxing Technology Industrial Park, Yutang Street, Guangming District, Shenzhen, Guangdong, China; (Tel.:+86-755-23406590 website: www.ccuttest.com) This test report is limited to the above client company and the product model only. It may not be duplicated without prior permitted by Shenzhen CCUT Quality Technology Co., Ltd. Report No: DSP25101166-1E FCC Test Report Page 2 of 46 Test Report Basic Information Applicant..................................: LeadingPlus Electronic Co.,Ltd Address of Applicant...............: Room 102, Building A2, Demei lndustrial Center, Donghuan 2nd Road, Longhua Street, Shenzhen, Guangdong, China Manufacturer..........................: LeadingPlus Electronic Co.,Ltd Address of Manufacturer........: Room 102, Building A2, Demei lndustrial Center, Donghuan 2nd Road, Longhua Street, Shenzhen, Guangdong, China Product Name.........................: Mini Mic Pro with Charging Case Brand Name.............................: Mini Mic Pro Main Model..............................: K1 Pro Series Models..........................: See section 1.1 (Page 5) Test Standard..........................: FCC Part 15 Subpart C ANSI C63.4-2014 ANSI C63.10-2020/Cor 1-2023 Date of Test .............................: 2025-11-13 to 2025-11-20 Test Result...............................: PASS Tested By ................................: (Coke Huang) Reviewed By............................: (Lorzix Luo) Authorized Signatory............: (Lahm Peng) Note : This test report is limited to the above client company and the product model only. It may not be duplicated without prior permitted by Shenzhen CCUT Quality Technology Co., Ltd.. All test data presented in this test report is only applicable to presented test sample. Report No: DSP25101166-1E FCC Test Report Page 3 of 46 CONTENTS 1. General Information ....................................................................................................................................................5 1.1 Product Information .............................................................................................................................................5 1.2 Test Setup Information..........................................................................................................................................6 1.3 Compliance Standards ...........................................................................................................................................7 1.4 Test Facilities ........................................................................................................................................................7 1.5 List of Measurement Instruments ..........................................................................................................................8 1.6 Measurement Uncertainty .....................................................................................................................................9 2. Summary of Test Results ........................................................................................................................................... 10 3. Antenna Requirement ............................................................................................................................................... 11 3.1 Standard and Limit.............................................................................................................................................. 11 3.2 Test Result .......................................................................................................................................................... 11 4. Conducted Emissions ................................................................................................................................................ 12 4.1 Standard and Limit.............................................................................................................................................. 12 4.2 Test Procedure.................................................................................................................................................... 12 4.3 Test Data and Results .......................................................................................................................................... 13 5. Radiated Emissions ................................................................................................................................................... 16 5.1 Standard and Limit.............................................................................................................................................. 16 5.2 Test Procedure.................................................................................................................................................... 16 5.3 Test Data and Results .......................................................................................................................................... 18 6. Band-edge Emissions(Radiated) ............................................................................................................................... 22 6.1 Standard and Limit.............................................................................................................................................. 22 6.2 Test Procedure.................................................................................................................................................... 22 6.3 Test Data and Results .......................................................................................................…

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Report No: DSP25101166-1E FCC ID: 2APTY-K1PRO Annex of Test Report Annex C. Test Photos Conducted Emission Test View 1 Radiated Emission Test View Below 1GHz Report No: DSP25101166-1E FCC ID: 2APTY-K1PRO Annex of Test Report Radiated Emission Test View Above 1GHz