2BUR3-SM822Tri-Mode Mouse

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. Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment 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. The device can be used in portable exposure condition without restriction.

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2BUR3-SM822 SM822, SM821, SM851, SM852, SM610, SM620, SM521, SM522 We, Applicant Company Name: Shenzhen Suoai Electronics Commerce Co., Ltd Address: Room 1303, Building 1, Hengda Shenhui Building, No 26 Huancheng South Road, Bantian Subdistrict, Shenzhen, China Phone: +86-13613034261 certify 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. This includes the cybersecurity and anti-virus software produced or provided by Kaspersky Lab, Inc. or any of ist successors and assignees. We certify 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. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2026-02-10 Signature Date Name / Title: Qunfang Liu / Business Company: Shenzhen Suoai Electronics Commerce Co., Ltd Address: Room 1303, Building 1, Hengda Shenhui Building, No 26 Huancheng South Road, Bantian Subdistrict, Shenzhen, China Phone: +86-13613034261 Fax: N/A E-Mail: [email protected]

Due Diligence Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern FCC ID Model name 2BUR3-SM822 SM822, SM821, SM851, SM852, SM610, SM620, SM521, SM522 Pursuant to KDB 986446 D01 Covered Equipment Guidance the evaluation of the product above shows compliance for the following reasons: Compliance Evaluation process Results Inherent compliance The chipset(s) used is not capable of running the cybersecurity and/or anti-virus software Compliance The memory used does not allow the running the cybersecurity and/or anti-virus software Compliance The storage capacity does not allow the running the cybersecurity and/or anti-virus software Compliance The operating system used is not capable of running the cybersecurity and/or anti-virus software Compliance No inherent compliance Based on software bill of material Based on scan for running software on the device Based on filesystem scan for cybersecurity and/or anti-virus software The equipment for which authorization is sought complies with the rules and fulfils the requirements as detailed in the above mentioned KDB. Evaluation performed by Company Name: Shenzhen LCS Compliance Testing Laboratory Ltd. Contact Name: Martion Lee Address: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Phone: +86-755-82591330 Email: [email protected] Signature: Date: 2026-02-09

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2BUR3-SM822 SM822, SM821, SM851, SM852, SM610, SM620, SM521, SM522 For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics • the Part List • the Tune up Information The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2026-02-10 Signature Date Name / Title: Qunfang Liu / Business Company: Shenzhen Suoai Electronics Commerce Co., Ltd Address: Room 1303, Building 1, Hengda Shenhui Building, No 26 Huancheng South Road, Bantian Subdistrict, Shenzhen, China Phone: +86-13613034261 Fax: N/A E-Mail: [email protected]

Shenzhen Suoai Electronics Commerce Co., Ltd Room 1303, Building 1, Hengda Shenhui Building, No 26 Huancheng South Road, Bantian Subdistrict, Shenzhen, China Date: February 10, 2026 FCC ID: 2BUR3-SM822 Model Number: SM822, SM821, SM851, SM852, SM610, SM620, SM521, SM522 To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We, Shenzhen Suoai Electronics Commerce Co., Ltd hereby declare that our product (Tri-Mode Mouse) Model Number: SM822, SM821, SM851, SM852, SM610, SM620, SM521, SM522 board, Schematic, Hardware version, Software version, structure and internal photos are same, named differently due to marketing purposes. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, (Signed) Name / Title: Qunfang Liu / Business Company: Shenzhen Suoai Electronics Commerce Co., Ltd Address: Room 1303, Building 1, Hengda Shenhui Building, No 26 Huancheng South Road, Bantian Subdistrict, Shenzhen, China Phone: +86-13613034261 Fax: N/A E-Mail: [email protected]

Page1of5FCCID:2BUR3-SM822 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com ExternalPhotosoftheEUT Fig.1 Fig.2 Page2of5FCCID:2BUR3-SM822 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.3 Fig.4 Page3of5FCCID:2BUR3-SM822 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.5 Fig.6 Page4of5FCCID:2BUR3-SM822 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.7 Fig.8 Page5of5FCCID:2BUR3-SM822 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.9

Page1of1FCCID:2BUR3-SM822 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com LABELANDLOCATION (Size:L2.0cmxW1.0cm) LabelLocation Tri-ModeMouse Model:SM822 FCCID:2BUR3-SM822

Page1of5FCCID:2BUR3-SM822 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com InternalPhotosoftheEUT Fig.1 Fig.2 Page2of5FCCID:2BUR3-SM822 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.3 Fig.4 Page3of5FCCID:2BUR3-SM822 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.5 Fig.6 Page4of5FCCID:2BUR3-SM822 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.7 Fig.8 Antenna Page5of5FCCID:2BUR3-SM822 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.9

Page 1 of 9 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EC Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com RF Exposure Evaluation FOR Shenzhen Suoai Electronics Commerce Co.,Ltd Tri-Mode Mouse Test Model: SM822 Additional Model No.: refer to page 6 Prepared for : Shenzhen Suoai Electronics Commerce Co.,Ltd Address : ROOM 1303, BUILDING 1, HENGDA SHENHUI BUILDING, NO.26 HUANCHENG SOUTH ROAD, BANTIAN SUBDISTRICT, LONGGANG DISTRICT, SHENZHEN, CHINA Prepared by : Guangzhou LCS Compliance Testing Laboratory Ltd. Address : No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel : (+86) 020-39166689 Fax : (+86) 020-39166619 Web : www.LCS-cert.com Mail : [email protected] Date of receipt of test sample : February 03, 2026 Number of tested samples : 2 Sample No. : C260203005-1, C260203005-2 Serial number : Prototype Date of Test : February 04, 2026 ~ February 09, 2026 Date of Report : February 09, 2026 Page 2 of 9 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EC Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com RF Exposure Evaluation Report Reference No. ................. : LCSC01126019EC Date of Issue ................................... : February 09, 2026 Testing Laboratory Name ............ : Guangzhou LCS Compliance Testing Laboratory Ltd. Address ........................................... : No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Testing Location/ Procedure ........... : Full application of Harmonised standards ■ Partial application of Harmonised standards □ Other standard testing method □ Applicant’s Name .......................... : Shenzhen Suoai Electronics Commerce Co.,Ltd Address ........................................... : ROOM 1303, BUILDING 1, HENGDA SHENHUI BUILDING, NO.26 HUANCHENG SOUTH ROAD, BANTIAN SUBDISTRICT, LONGGANG DISTRICT, SHENZHEN, CHINA Test Specification Standard ......................................... : FCC KDB publication 447498 D01 General RF Exposure Guidance v06 FCC CFR 47 part1 1.1310 FCC CFR 47 part2 2.1093 Test Report Form No. ..................... : TRF-4-E-215 A/0 TRF Originator ................................ : Guangzhou LCS Compliance Testing Laboratory Ltd. Master TRF ..................................... : Dated 2011-03 Guangzhou LCS Compliance Testing Laboratory Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Guangzhou LCS Compliance Testing Laboratory Ltd. is acknowledged as copyright owner and source of the material. Guangzhou LCS Compliance Testing Laboratory Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test Item Description. .................. : Tri-Mode Mouse Trade Mark ...................................... : SOLAKAKA Test Model ...................................... : SM822 Ratings ............................................ : Please Refer to Page 6 Result ........................................... : PASS Compiled by: Supervised by: Approved by: Lifeng Le/ File administrators Justin Zhu/ Technique Director Gavin Liang/ Manager Page 3 of 9 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EC Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com RF Exposure Evaluation Test Result PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Test Report No. : LCSC01126019EC February 09, 2026 Date of issue Test Model.............................. : SM822 EUT......................................... : Tri-Mode Mouse Applicant............................... : Shenzhen Suoai Electronics Commerce Co.,Ltd Address................................... : ROOM 1303, BUILDING 1, HENGDA SHENHUI BUILDING, NO.26 HUANCHENG SOUTH ROAD, BANTIAN SUBDISTRICT, LONGGANG DISTRICT, SHENZHEN, CHINA Telephone............................... : / Fax.......................................... : / Manufacturer......................... : Shenzhen Suoai Electronics Commerce Co.,Ltd Address................................... : ROOM 1303, BUILDING 1, HENGDA SHENHUI BUILDING, NO.26 HUANCHENG SOUTH ROAD, BANTIAN SUBDISTRICT, LONGGANG DISTRICT, SHENZHEN, CHINA Telephone............................... : / Fax.......................................... : / Factory................................... : Shenzhen Suoai Electronics Commerce Co.,Ltd Address................................... : ROOM 1303, BUILDING 1, HENGDA SHENHUI BUILDING, NO.26 HUANCHENG SOUTH ROAD, BANTIAN SUBDISTRICT, LONGGANG DISTRICT, SHENZHEN, CHINA Telephone............................... : / Fax.......................................... : / Page 4 of 9 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EC Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Revision History Report Version Issue Date Revision Content Revised By 000 February 09, 2026 Initial Issue --- Page 5 of 9 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EC Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com TABLE OF CONTENTS Description Page 1. PRODUCT INFORMATION .…

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Linear ShLinearenzhenXichenTechnology 第 1 页 Features (1) Antenna Model Onboardantenna (2)AntennatypeSerpentineantenna (3)Antennalength27.5mm (4)Antennawidth0.5mm (5)Frequency2400~2500MHz (6)Manufacturer XichenTechnology(shenzhen) Co.,Ltd (7)Manufacturer address 5011,Building34,Chentian IndustrialZone, XixiangStreet,Bao'anDistrict, Shenzhen Modelname:GenericAntenna ElectricalSpecification (1)WorkingFrequencyRange2400~2500MHz (2)PeakGain3.03dBi(Typ.) (3)Impedance50Ohm Linear ShLinearenzhenXichenTechnology 第 2 页 (4)VSWR3.0(Max) (5)PolarizationLinear (6)AzimuthBeamwidthOmni-directional S11Figure Linear ShLinearenzhenXichenTechnology 第 3 页 RadiationFigure Linear ShLinearenzhenXichenTechnology 第 4 页 AntennaRadiationPattern ZXplaneZYplaneXYplane FrequencyMax Value AverageMax Value AverageMax Value Average [MHz][dBi][dBi][dBi][dBi][dBi][dBi] 24003.032.092.93-3.002.67-4.14 24502.832.132.78-3.122.81-4.13 25002.952.072.87-3.002.89-4.05 RadiationPatternXOZRadiationPatternYOZRadiationPatternXOY

Page 1 of 23 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Appendix A RF Test Data for BT LE (Conducted Measurement) Product Name: Tri-Mode Mouse Test Model: SM822 Environmental Conditions Temperature: 24.3C Relative Humidity: 52.8% ATM Pressure: 100.0 kPa Test Engineer: Zhang hai Supervised by: Fengliu Tang Page 2 of 23 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com A.1 DTS Bandwidth Test Result TestMode Antenna Freq(MHz) DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 0.680 2401.644 2402.324 0.5 PASS 2440 0.672 2439.648 2440.320 0.5 PASS 2480 0.668 2479.648 2480.316 0.5 PASS Page 3 of 23 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page 4 of 23 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Page 5 of 23 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com A.2 Maximum Peak conducted output power Test Result Peak TestMode Antenna Freq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] EIRP[dBm] EIRP Limit[dBm] Verdict BLE_1M Ant1 2402 6.50 ≤30 9.53 ≤36 PASS 2440 6.19 ≤30 9.22 ≤36 PASS 2480 5.51 ≤30 8.54 ≤36 PASS Test Graphs Peak BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 Page 6 of 23 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com BLE_1M_Ant1_2480 Page 7 of 23 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com A.3 Maximum power spectral density Test Result TestMode Antenna Freq(MHz) Result[dBm/3kHz] Limit[dBm/3kHz] Verdict BLE_1M Ant1 2402 -2.86 ≤8.00 PASS 2440 -3.63 ≤8.00 PASS 2480 -4.24 ≤8.00 PASS Page 8 of 23 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page 9 of 23 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Page 10 of 23 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com A.4 Band edge measurements Test Result TestMod e Antenn a ChNam e Freq(MHz ) RefLevel[dBm ] Result[dBm ] Limit[dBm ] Verdic t BLE_1M Ant1 Low 2402 5.55 -44.5 ≤-14.45 PASS High 2480 4.34 -44.64 ≤-15.66 PASS Page 11 of 23 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Test Graphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 Page 12 of 23 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com A.5 Conducted Spurious Emission Test Result TestMode Antenna Freq(MHz) FreqRange [MHz] RefLevel [dBm] Result[dBm] Limit[dBm] Verdict BLE_1M Ant1 2402 Reference 5.96 5.96 --- PASS 30~1000 5.96 -58.07 ≤-14.04 PASS 1000~26500 5.96 -41.64 ≤-14.04 PASS 2440 Reference 5.46 5.46 --- PASS 30~1000 5.46 -58.52 ≤-14.54 PASS 1000~26500 5.46 -40.7 ≤-14.54 PASS 2480 Reference 4.55 4.55 --- PASS 30~1000 4.55 -58.25 ≤-15.45 PASS 1000~26500 4.55 -40.44 ≤-15.45 PASS Page 13 of 23 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Test Graphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 Page 14 of 23 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com BLE_1M_Ant1_2440_0~Reference BLE_1M_Ant1_2440_30~1000 Page 15 of 23 FCC ID: 2BUR3-SM822 Report No.: LCSC02036008EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng Nort…

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Page 1 of 34 FCCID:2BUR3-SM822ReportNo.:LCSC02036008EA GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com FCCTESTREPORT For ShenzhenSuoaiElectronicsCommerceCo.,Ltd Tri-ModeMouse TestModel:SM822 AdditionalModelNo.:refertopage6 Preparedfor:ShenzhenSuoaiElectronicsCommerceCo.,Ltd Address:Room1303,Building1,HengdaShenhuiBuilding,No.26Huancheng SouthRoad,BantianSubdistrict,LonggangDistrict,Shenzhen,China Preparedby:GuangzhouLCSComplianceTestingLaboratoryLtd. Address:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou, Guangdong,China Tel:(+86)020-39166689 Fax:(+86)020-39166619 Web:www.LCS-cert.com Mail:[email protected] Dateofreceiptoftestsample: February03,2026 Numberoftestedsamples: 2 SampleNo.: C260203005-1,C260203005-2 Serialnumber: Prototype DateofTest: February0 4 ,2026~February09,2026 DateofReport: February09,2026 Page 2 of 34 FCCID:2BUR3-SM822ReportNo.:LCSC02036008EA GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com FCCTESTREPORT FCCCFR47PART15C(15.247) ReportReferenceNo......................:LCSC02036008EA DateofIssue.......................................:February09,2026 TestingLaboratoryName..............:GuangzhouLCSComplianceTestingLaboratoryLtd. Address................................................:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou, Guangdong,China TestingLocation/Procedure............:FullapplicationofHarmonisedstandards■ PartialapplicationofHarmonisedstandards□ Otherstandardtestingmethod□ Applicant’sName.............................:ShenzhenSuoaiElectronicsCommerceCo.,Ltd Address................................................:Room1303,Building1,HengdaShenhuiBuilding,No.26 HuanchengSouthRoad,BantianSubdistrict,LonggangDistrict, Shenzhen,China TestSpecification Standard..............................................:FCCCFR47PART15C(15.247) TestReportFormNo......................:TRF-4-E-145A/0 TRFOriginator....................................:GuangzhouLCSComplianceTestingLaboratoryLtd. MasterTRF.........................................:Dated2011-03 GuangzhouLCSComplianceTestingLaboratoryLtd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe GuangzhouLCSComplianceTestingLaboratoryLtd.isacknowledgedascopyrightownerandsourceof thematerial.GuangzhouLCSComplianceTestingLaboratoryLtd.takesnoresponsibilityforandwillnot assumeliabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. EUTDescription...............................:Tri-ModeMouse TradeMark..........................................:SOLAKAKA TestModel...........................................:SM822 Ratings.................................................:PleaseRefertoPage6 Result..................................................:PASS Compiledby:Supervisedby:Approvedby: LifengLe/FileadministratorsJustinZhu/TechniqueDirectorGavinLiang/Manager Page 3 of 34 FCCID:2BUR3-SM822ReportNo.:LCSC02036008EA GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com FCC--TESTREPORT TestModel...............................:SM822 EUT.........................................:Tri-ModeMouse Applicant...............................:ShenzhenSuoaiElectronicsCommerceCo.,Ltd Address..................................:Room1303,Building1,HengdaShenhuiBuilding,No.26 HuanchengSouthRoad,BantianSubdistrict,LonggangDistrict, Shenzhen,China Telephone...............................:/ Fax..........................................:/ Manufacturer........................:ShenzhenSuoaiElectronicsCommerceCo.,Ltd Address...................................:Room1303,Building1,HengdaShenhuiBuilding,No.26 HuanchengSouthRoad,BantianSubdistrict,LonggangDistrict, Shenzhen,China Telephone...............................: Fax..........................................: Factory...................................:ShenzhenSuoaiElectronicsCommerceCo.,Ltd Address...................................:Room1303,Building1,HengdaShenhuiBuilding,No.26 HuanchengSouthRoad,BantianSubdistrict,LonggangDistrict, Shenzhen,China Telephone...............................:/ Fax..........................................:/ TestResultPASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetestlaboratory. TestReportNo.:LCSC02036008EA February09,2026 Dateofissue Page 4 of 34 FCCID:2BUR3-SM822ReportNo.:LCSC02036008EA GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com RevisionHistory ReportVersionIssueDateRevisionContentRevisedBy 000February09,2026InitialIssue--- Page 5 of 34 FCCID:2BUR3-SM822ReportNo.:LCSC02036008EA GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com TABLEOFCONTENTS 1.GENERALINFORMATION....................................................................................................................................................6 1.1.DESCRIPTIONOFDEVICE(EUT)........................................................................................................................................6 1.2.SUPPORTEQUIPMENTLIST.................................................................................................................................................7 1.3.EXTERNALI/OCABLE...................................................................................................................…

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Page1of2FCCID:2BUR3-SM822 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com TestSetupPhotosoftheEUT TestSetupPhoto(s)ofRadiatedEmissionsMeasurement Fig.1 Fig.2 Page2of2FCCID:2BUR3-SM822 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com TestSetupPhoto(s)ofConductedEmissionsMeasurement Fig.3 TestSetupPhoto(s)ofRFConductedMeasurement Fig.4