2AI6I-MS61WB1Wireless Mouse-key

FCC Warning: 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. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. 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 off and on, the user 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 complies with FCC radiation exposure limits set forth for an uncontrolled environment . This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Set up Bluetooth connetion 2. Click"System preference setting"of the Mac computer. 3. Click "Bluetooth" in "System preference setting" 4. The Bluetooth will search and find "MS61WB", click "matching" and finish installation, then the mouse would be ready to use.

Guangzhou Havit Technology Co.,LTD Add: ROOM 1307, 13F, PHASE 2 B, C BUILDING OF POLY WORLD TRADE CENTER, NO.1000, XINGANG EAST ROAD, HAIZHU, GUANGDONG, 510000, China Tel: +86-20-66820279 Fax: +86-20-66856369 Email: [email protected] Attestation letter Date: 2023-06-21 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To whom it may concern Dear Sir/Madam, We, Guangzhou Havit Technology Co.,LTD, hereby authorize China Certification ICT Co., Ltd (Dongguan) to act as a laboratory for testing and test report generation for the following project(s): (Product name: Wireless Mouse-key, Model name: MS61WB, FCC ID:2AI6I-MS61WB1) The chip supports Bluetooth BLE and 2.4G private protocol, but for this device, only BLE 1M was activated, and others were disable by software, and the end user has no capability to activate it. Sincerely, Signature: Printed Name: Yang Wei Title: Manager

Guangzhou Havit Technology Co.,LTD Add: ROOM 1307, 13F, PHASE 2 B, C BUILDING OF POLY WORLD TRADE CENTER, NO.1000, XINGANG EAST ROAD, HAIZHU, GUANGDONG, 510000, China Tel: +86-20-66820279 Fax: +86-20-66856369 Email: [email protected] CFR 47 §2.911(d)(5)(i)(ii) Attestation Letter Attestation Letter Date: 06/13/2023 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i)(ii) Filing FCC ID:2AI6I-MS61WB1 Guangzhou Havit 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. Guangzhou Havit 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. Sincerely, Signature Contact Person: Wei Yang Title: Manager Company Name& Address: Guangzhou Havit Technology Co.,LTD Add: ROOM 1307, 13F, PHASE 2 B, C BUILDING OF POLY WORLD TRADE CENTER, NO.1000, XINGANG EAST ROAD, HAIZHU, GUANGDONG, 510000, China

U.S. AGENT LETTER OF ATTESTATION Date: 2023-06-13 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID:2AI6I-MS61WB1 G uangzhou Havit Technology Co.,LTD certifies that, as of the date of the filing of the application, USA MEIHUA TRADING INC is our designated U.S. agent for service of process for the above referenced FCC ID. Guangzhou Havit Technology Co.,LTD 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. USA MEIHUA TRADING INC accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company Name: USA MEIHUA TRADING INC Address: 5379 Pine Valley Ct Boulder CO 80301 Un ited State Tel.: 312-363-9424 Email: [email protected] Signed by (printed name): Harley Quinn Signature: Applicant: Guangzhou Havit Technology Co.,LTD Address: ROOM 1307, 13F, PHASE 2 B, C BUILDING OF POLY WORLD TRADE CENTER, NO.1000, XINGANG EAST ROAD, HAIZHU, GUANGDONG, 510000, China FRN: 0025744657 Tel: +86-20-66820279 Email: [email protected] Signed by (printed name): Wei Yang Signature:

QA-FR-170-B Guangzhou Havit Technology Co.,LTD Add: ROOM 1307, 13F, PHASE 2 B, C BUILDING OF POLY WORLD TRADE CENTER, NO.1000, XINGANG EAST ROAD, HAIZHU, GUANGDONG, 510000, China Tel: +86-20-66820279 Fax: +86-20-66856369 Email: [email protected] FCC Authorization Date: 2023-06-13 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We , Guangzhou Havit Technology Co.,LTD, Hereby authorizes China Certification ICT Co., Ltd (Dongguan) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by China Certification ICT Co., Ltd (Dongguan) on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Client’s signature Printed Name: Wei Yang Title: Manager

QA -FR-171-A Guangzhou Havit Technology Co.,LTD Add: ROOM 1307, 13F, PHASE 2 B, C BUILDING OF POLY WORLD TRADE CENTER, NO.1000, XINGANG EAST ROAD, HAIZHU, GUANGDONG, 510000, China Tel: +86-20-66820279 Fax: +86-20-66856369 Email: [email protected] FCC Confidential Authorization Date: 2023-06-13 FEDE RAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 S ubject: Confidentiality Request regarding application for certification of FCC ID:2AI6I-MS61WB1 I n accordance with Sections 0.457 and 0.459 of the Commission’s Rules, (Guangzhou Havit Technology Co.,LTD) hereby requests long-term confidential treatment of information accompanying this application as outlined below: •B lock Diagram •Schematics •Operation Description T he above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely, S ignature: P rinted Name: Wei Yang Title: Manager

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS

Model: MS61WB FCC ID:2AI6I-MS61WB1

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Antenna

China Certification ICT Co., Ltd (Dongguan) Report No.: CR230528612-00 Page 39 of 39 5. RF EXPOSURE EVALUATION 5.1 Applicable Standard According to§15.247(i) and §1.1310, systems operating under the provisions of this section shall be operated in a manner that ensure that the public is not exposed to radio frequency energy level in excess of the Commission’s guideline. According to KDB447498 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)] ꞏ [√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 • 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 5) in section 4.1 is applied to determine SAR test exclusion. 5.2 Measurement Result For BLE: The max conducted power including tune-up tolerance is -1.0dBm (0.79 mW). [(max. power of channel, mW)/(min. test separation distance, mm)][√f(GHz)] =0.79/5*(√2.480) = 0.3< 3.0 Result: Compliant. The stand-alone SAR evaluation is not necessary. ===== END OF REPORT ====

Report No.: BL-SZ2160934-901 2 / 12 Revision History Version Issue Date Revisions Rev. 01 Jul. 08, 2021 Initial Issue TABLE OF CONTENTS 1 Administrative Data (GENERAL INFORMATION) ................................................................................... 3 1.1 Identification of the Testing Laboratory ............................................................................................. 3 1.2 Identification of the Responsible Testing Location ............................................................................ 3 1.3 Laboratory Condition ......................................................................................................................... 3 1.4 Announce .......................................................................................................................................... 3 2 PRODUCT INFORMATION ..................................................................................................................... 4 2.1 Applicant Information ........................................................................................................................ 4 2.2 Manufacturer Information .................................................................................................................. 4 2.3 Factory Information ........................................................................................................................... 4 2.4 General Description for Equipment under Test (EUT) ...................................................................... 4 2.5 Ancillary Equipment .......................................................................................................................... 4 2.6 Technical Information ........................................................................................................................ 4 3 SUMMARY OF TEST RESULTS ............................................................................................................. 5 3.1 Test Standards .................................................................................................................................. 5 3.2 Test Verdict ....................................................................................................................................... 5 3.3 Test Uncertainty ................................................................................................................................ 5 4 GENERAL TEST CONFIGURATIONS .................................................................................................... 6 4.1 Test Condition ................................................................................................................................... 6 4.2 Test Equipment List .......................................................................................................................... 6 4.3 Test Setup ......................................................................................................................................... 6 ANNEX A TEST RESULTS ......................................................................................................................... 7 A.1 Gain and Efficiency ........................................................................................................................... 7 ANNEX B RADIATION PATTERN .............................................................................................................. 8 ANNEX C TEST SETUP PHOTO ............................................................................................................. 11 ANNEX D EUT PHOTO ............................................................................................................................ 12 Report No.: BL-SZ2160934-901 3 / 12 1 Administrative Data (GENERAL INFORMATION) 1.1 Identification of the Testing Laboratory Company Name Shenzhen BALUN Technology Co., Ltd. Address Block B, 1st FL, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Phone Number +86 755 6685 0100 1.2 Identification of the Responsible Testing Location Test Location Shenzhen BALUN Technology Co., Ltd. Address Block B, 1st FL, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Description All measurement facilities used to collect the measurement data are located at Block B, FL 1, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 518055 1.3 Laboratory Condition Ambient Temperature 19°C to 25°C Ambient Relative Humidity 45% to 55% Ambient Pressure 100 kPa to 102 kPa 1.4 Announce (1) The test report reference to the report template version v2.2. (2) The test report is invalid if not marked with the signatures of the persons responsible for preparing and approving the test report. (3) The test report is invalid if there is any evidence and/or falsification. (4) The results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein. (5) This document may not be altered or revised in any way unless done so by BALUN and all revisions are duly noted in the revisions section. (6) Content of the test report, in part or in full, cannot be used for publicity and/or promotional purposes without prior written approval from the laboratory. (7) The laboratory is only responsible for the data released by the laboratory, except for the part provided by the applicant. Report No.: BL-SZ2160934-901 4 / 12 2 PRODUCT INFORMATION 2.1 Applicant Information Applicant SHENZH BOYCHUANG TECHNOLOGY CO., LTD Address 4th Floor, Building A, Qinyu A District, Sanwei Huafeng First Science and Technology Park, Hangcheng Street, Baoan District, Shenzhen Contact Person SHENGHAI.LIANG Telephone Number 18676782100 E-mail [email protected] 2.2 Manufacturer Information Manufacturer SHENZH BOYCHUANG TECH…

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TEST REPORT Applicant: Guangzhou Havit Technology Co.,LTD Address: ROOM 1307, 13F, PHASE 2 B, C BUILDING OF POLY WORLD TRADE CENTER, NO.1000, XINGANG EAST ROAD, HAIZHU, GUANGDONG, 510000, China FCC ID: 2AI6I-MS61WB1 Product Name: Wireless Mouse-key Standard(s): 47 CFR Part 15, Subpart C(15.247) ANSI C63.10-2013 KDB 558074 D01 15.247 Meas Guidance v05r02 The above equipment has been tested and found compliant with the requirement of the relative standards by China Certification ICT Co., Ltd (Dongguan) Report Number: CR230528612-00 Date Of Issue: 2023/6/12 Reviewed By: Julie Tan Title: RF Engineer Approved By: Sun Zhong Title: Manager Test Laboratory: China Certification ICT Co., Ltd (Dongguan) No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China Tel: +86-769-82016888 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230528612-00 Page 2 of 39 Test Facility The Test site used by China Certification ICT Co., Ltd (Dongguan) to collect test data is located on the No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China. The lab has been recognized as the FCC accredited lab under the KDB 974614 D01 and is listed in the FCC Public Access Link (PAL) database, FCC Registration No. : 442868, the FCC Designation No. : CN1314. The lab has been recognized by Innovation, Science and Economic Development Canada to test to Canadian radio equipment requirements, the CAB identifier: CN0123. Declarations China Certification ICT Co., Ltd (Dongguan) is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with a triangle symbol “▲”. Customer model name, addresses, names, trademarks etc. are not considered data. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report cannot be reproduced except in full, without prior written approval of the Company. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report may contain data that are not covered by the accreditation scope and shall be marked with an asterisk “★”. China Certification ICT Co., Ltd (Dongguan) Report No.: CR230528612-00 Page 3 of 39 CONTENTS T EST FACILITY .......................................................................................................................................... 2 DECLARATIONS .......................................................................................................................................... 2 DOCUMENT REVISION HISTORY .......................................................................................... 5 1. GENERAL INFORMATION .................................................................................................... 6 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................... 6 1.2 DESCRIPTION OF TEST CONFIGURATION ........................................................................................... 7 1.2.1 EUT Operation Condition: ............................................................................................................................. 7 1.2.2 Support Equipment List and Details .............................................................................................................. 7 1.2.3 Support Cable List and Details ...................................................................................................................... 7 1.2.4 Block Diagram of Test Setup ......................................................................................................................... 7 1.3 MEASUREMENT UNCERTAINTY .......................................................................................................... 9 2. SUMMARY OF TEST RESULTS .......................................................................................... 10 3. REQUIREMENTS AND TEST PROCEDURES .................................................................. 11 3.1 AC LINE CONDUCTED EMISSIONS .................................................................................................... 11 3.1.1 Applicable Standard ..................................................................................................................................... 11 3.1.2 EUT Setup.................................................................................................................................................... 12 3.1.3 EMI Test Receiver Setup ............................................................................................................................. 12 3.1.4 Test Procedure ............................................................................................................................................. 13 3.1.5 Corrected Amplitude & Margin Calculation ................................................................................................ 13 3.2 RADIATION SPURIOUS EMISSIONS .................................................................................................... 14 3.2.1 Applicable Standard ..................................................................................................................................... 14 3.2.2 EUT Setup.................................................................................................................................................... 14 3.2.3 EMI Test Receiver & Spectrum Analyzer Setup ......................................................................................... 15 3.2.4 Test Procedure ............................................................................................................................................. 15 3.2.5 Corrected Amplitude & Margin Calculation ................................................................................................ 15 3.3 6 DB EMISSION BANDWIDTH: ......................…

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EXHIBIT D - TEST SETUP PHOTOGRAPHS Conducted Emissions Front View Conducted Emissions Side View Radiated Emission Below 1GHz View Radiated Emission Below 1GHz View Radiated Emission Above 1GHz View Radiated Emission Above 1GHz View