2A2EE-SW-C22Bluetooth earbuds

Rev 1/26/2023 Jiangxi Sunwe Industrial Co., Ltd. Industrial park of Wanzai county, Yichun city, Jiangxi province, China [Insert applicant name Mail: [email protected] Tel: 86-769 8161 0266 ------------------------------------------------------------------------------------------------------------------------------------------- Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Feb-10-2023 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2A2EE-SW-C22 Jiangxi Sunwe Industrial Co., Ltd. (“the applicant”) certifies that, as of the date of the filing of the application, Apollo Purchasing, LLC is our designated U.S. agent for service of process for the above referenced FCC ID. Jiangxi Sunwe Industrial 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. Apollo Purchasing, LLC 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: Name: Apollo Purchasing, LLC Address: 10601 N. Pennsylvania Ave. Oklahoma City, OK 73120 Contact Person: Landon Langson Tel.: 1-800-388-0983 Email: [email protected] FCC Registration Number (FRN): 0033411968 Sincerely, ]Jiangxi Sunwe Industrial Co., Ltd. (Applicant printed name)Phoebe (Applicant signature)

Rev 1/ 26/ 2023 Jian gxi Sunwe Industrial Co., Ltd. Indust rial park of Wanzai county, Yichun city, Jiangxi province, China Mail: [email protected] Tel: 86-769 8161 0266 ------------------------------------------------------------------------------------------------------------------------------------------- Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Feb-10-2023 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2A2EE-SW-C22 Jiangxi Sunwe Industrial Co., Ltd. (“the applicant”) certifies that the equipment for which authorization is soughtis not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, (Applicant signature) (Applicant printed name): Phoebe Rev 1/26/2023 (Jiangxi Sunwe Industrial Co., Ltd.) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Feb-10-2023 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: (2A2EE-SW-C22) [Jiangxi Sunwe Industrial 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, (Applicant signature) (Applicant printed name)

Model difference letter 2023.02.14 Dear Eurofins Reviewer, This is a new Application from JiangXi Sunwe Industrial Co., Ltd. Model No.: SW-C22, 6132590, 6132592 Only the model SW-C22 was tested, since the electrical circuit design, layout, components used and internal wiring were identical for the above models, with difference being color of appearance and model name. Thank you for your cooperation! Yours sincerely, Signatory: Name: CC Ting Position: Sales Manager Company Name: JiangXi Sunwe Industrial Co., Ltd. Address: Industrial park of Wanzai county, Yichun city, Jiangxi province ,China Tel / Fax 0769-2662-1939/ 0769 8160965 E-Mail: [email protected]

JiangXi Sunwe Industrial Co., Ltd. Agent Authorization Letter 2023-02-14 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen Most Technology Service Co., Ltd. to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Name: CC Ting Position: Sales Manager Company Name: JiangXi Sunwe Industrial Co., Ltd. Address: Industrial park of Wanzai county, Yichun city, Jiangxi province ,China Tel / Fax 0769-2662-1939/ 0769 8160965 E-Mail: [email protected]

JiangXi Sunwe Industrial Co., Ltd. Long Term Confidentiality Request Letter 2023-02-14 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR (FCC ID: 2A2EE-SW-C22) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - e.g. Block diagram - e.g. SCH - e.g. Operational Description required to be submitted with this application be permanently withheld from public review. The above documents are company proprietary information that could never get into the possession of your competition. Please contact me if there is any information you may need. Sincerely, Name: CC Ting Position: Sales Manager Company Name: JiangXi Sunwe Industrial Co., Ltd. Address: Industrial park of Wanzai county, Yichun city, Jiangxi province ,China Tel / Fax 0769-2662-1939/ 0769 8160965 E-Mail: [email protected]

Model No.: SW-C22 FRONT VIEW OF SAMPLE BACK VIEW OF SAMPLE Model No.: SW-C22 LEFT VIEW OF SAMPLE RIGHT VIEW OF SAMPLE Model No.: SW-C22 TOP VIEW OF SAMPLE BOTTOM VIEW OF SAMPLE

LabelLocation FCC ID: 2A2EE-SW-C22

Model No.: SW-C22 Page 1 of 2 INTERNAL PHOTO OF SAMPLE INTERNAL PHOTO OF SAMPLE PCB Antenna L oc ati on Model No.: SW-C22 Page 2 of 2 INTERNAL PHOTO OF SAMPLE PCB INTERNAL PHOTO OF BATTERY

Shenzhen Most Technology Service Co., Ltd. No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. RF Exposure Evaluation Report Report Reference No. ..................... : FCC ID.. .......................................... : MTEB23010111-H 2A2EE-SW-C22 Compiled by ( position+printed name+signature) .. : File administrators Alisa Luo Supervised by ( position+printed name+signature) .. : Test Engineer Sunny Deng Approved by ( position+printed name+signature) .. : Manager Yvette Zhou Date of issue ..................................... : January 31, 2023 Representative Laboratory Name .: Shenzhen Most Technology Service Co., Ltd. Address ............................................ : No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. Applicant’s name ............................ : Jiangxi Sunwe Industrial Co., Ltd. Address ............................................ : Industrial park of Wanzai county, Yichun city, Jiangxi province Test specification/ Standard ..........: 47 CFR Part 1.1307 47 CFR Part 2.1093 TRF Originator .................................. : Shenzhen Most Technology Service Co., Ltd. Shenzhen Most Technology Service Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Most Technology Service Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Most Technology Service Co., 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 ..................... : Bluetooth earbuds Trade Mark ....................................... : N/A Model/Type reference....................... : SW-C22 Listed Models .................................. : 6132590, 6132592 Modulation Type ............................... : GFSK, π/4DQPSK, 8DPSK Operation Frequency ........................ : From 2402MHz to 2480MHz Hardware Version .............................. BTAB-2115-V5.1 Software Version ............................... V1.0 Rating ............................................... : DC 3.7V(by battery) DC 5V(by USB) Result................................................ : PASS Report No.: MTEB23010111-H Page 2 of 5 T E S T R E P O R T Equipment under Test : Bluetooth earbuds Model /Type : SW-C22 Listed Models : 6132590, 6132592 Remark Only appearance color and model name are different Applicant : Jiangxi Sunwe Industrial Co., Ltd. Address : Industrial park of Wanzai county, Yichun city, Jiangxi province Manufacturer : Jiangxi Sunwe Industrial Co., Ltd. Address : Industrial park of Wanzai county, Yichun city, Jiangxi province 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. Report No.: MTEB23010111-H Page 3 of 5 1. R e v i s i o n H i s t o r y Revision Issue Date Revisions Revised By 00 2023.01.31 Initial Issue Alisa Luo Report No.: MTEB23010111-H Page 4 of 5 2. S A R E v al u a t i o n 2.1 RF Exposure Compliance Requirement 2.1.1 Standard Requirement According to KDB447498D01 General RF Exposure Guidance v06 4.3.1. Standalone SAR test exclusion considerations 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 Exclusion Threshold condition, listed below, is satisfied. 2.1.2 Limits 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)] · [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where 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 is applied to determine SAR test exclusion Report No.: MTEB23010111-H Page 5 of 5 2.1.3 EUT RF Exposure Measurement Data BT classic GFSK Test channel Peak Output Power (dBm) Tune up tolerance (dBm) Maximum tune-up Power (dBm) Lowest(2402MHz) 0.29 0.29±1 1.29 Middle(2440MHz) 0.42 0.42±1 1.42 Highest(2480MHz) 0.24 0.24±1 1.24 π/4DQPSK Test channel Peak Output Power (dBm) Tune up tolerance (dBm) Maximum tune-up Power (dBm) Lowest(2402MHz) -0.25 -0.25±1 0.75 Middle(2440MHz) -1.43 -1.43±1 0.43 Highest(2480MHz) 0.08 0.08±1 1.08 8DPSK Test channel Peak Output Power (dBm) Tune up tolerance (dBm) Maximum tune-up Power (dBm) Lowest(2402MHz) -0.52 -0.52±1 0.48 Middle(2440MHz) 0.15 0.15±1 1.15 Highest(2480MHz) 0.08 0.08±1 1.08 Worst case: GFSK Channel Maximum Peak Conducted Output Power (dBm) Maximum tune-up Power Calculated value Exclusion threshold SAR Test Exclusion (dBm) (mW) Middle(2440MHz) 0.42 1.42 1.39 0.44 3.0 Yes .......................THE END OF REPORT.........................

Shenzhen Most Technology Service Co., Ltd. No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. TEST REPORT FCC Rules Part 15.247 Report Reference No. ..................... : FCC ID.. .......................................... : MTEB23010111-R 2A2EE-SW-C22 Compiled by ( position+printed name+signature) .. : File administrators Alisa Luo Supervised by ( position+printed name+signature) .. : Test Engineer Sunny Deng Approved by ( position+printed name+signature) .. : Manager Yvette Zhou Date of issue ..................................... : January 31, 2023 Representative Laboratory Name .: Shenzhen Most Technology Service Co., Ltd. Address ............................................ : No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. Applicant’s name ............................ : Jiangxi Sunwe Industrial Co., Ltd. Address ............................................ : Industrial park of Wanzai county, Yichun city, Jiangxi province Test specification/ Standard ..........: FCC Rules Part 15.247 TRF Originator .................................. : Shenzhen Most Technology Service Co., Ltd. Shenzhen Most Technology Service Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Most Technology Service Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Most Technology Service Co., 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 ..................... : Bluetooth earbuds Trade Mark ....................................... : N/A Model/Type reference....................... : SW-C22 Listed Models .................................. : 6132590, 6132592 Modulation Type ............................... : GFSK, π/4DQPSK, 8DPSK Operation Frequency ........................ : From 2402MHz to 2480MHz Hardware Version .............................. BTAB-2115-V5.1 Software Version ............................... V1.0 Rating ............................................... : DC 3.7V(by battery) DC 5V(by USB) Result................................................ : PASS Report No.: MTEB23010111-R Page 2 of 45 T E S T R E P O R T Equipment under Test : Bluetooth earbuds Model /Type : SW-C22 Listed Models : 6132590, 6132592 Remark Only appearance color and model name are different Applicant : Jiangxi Sunwe Industrial Co., Ltd. Address : Industrial park of Wanzai county, Yichun city, Jiangxi province Manufacturer : Jiangxi Sunwe Industrial Co., Ltd. Address : Industrial park of Wanzai county, Yichun city, Jiangxi province 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. Report No.: MTEB23010111-R Page 3 of 45 Contents 1 REVISION HISTORY ................................................................ 4 2 TEST STANDARDS .................................................................. 5 3 SUMMARY ............................................................................. 6 3.1 General Remarks 6 3.2 Product Description 6 3.3 Equipment Under Test 6 3.4 Short description of the Equipment under Test (EUT) 6 3.5 EUT operation mode 7 3.6 Block Diagram of Test Setup 7 3.7 Test Item (Equipment Under Test) Description* 7 3.8 Auxiliary Equipment (AE) Description 7 3.9 Antenna Information* 7 3.10 Related Submittal(s) / Grant (s) 8 3.11 Modifications 8 4 TEST ENVIRONMENT ............................................................... 9 4.1 Address of the test laboratory 9 4.2 Environmental conditions 9 4.3 Summary of measurement results 10 4.4 Statement of the measurement uncertainty 10 4.5 Equipments Used during the Test 11 5 TEST CONDITIONS AND RESULTS ............................................ 12 5.1 AC Power Conducted Emission 12 5.2 Radiated Emission 15 5.3 Maximum Peak Output Power 21 5.4 20dB Bandwidth 22 5.5 Frequency Separation 26 5.6 Number of hopping frequency 30 5.7 Time of Occupancy (Dwell Time) 32 5.8 Spurious RF Conducted Emission 36 5.9 Pseudorandom Frequency Hopping Sequence 42 5.10 Antenna Requirement 43 6 TEST SETUP PHOTOS OF THE EUT .......................................... 44 7 PHOTOS OF THE EUT ............................................................. 45 Report No.: MTEB23010111-R Page 4 of 45 1 Revision History Revision Issue Date Revisions Revised By 00 2023.01.31 Initial Issue Alisa Luo Report No.: MTEB23010111-R Page 5 of 45 2 TEST STANDARDS The tests were performed according to following standards: FCC Rules Part 15.247 : Frequency Hopping, Direct Spread Spectrum and Hybrid Systems that are in operation within the bands of 902-928 MHz, 2400-2483.5 MHz, and 5725-5850 MHz. ANSI C63.10-2013 : American National Standard for Testing Unlicensed Wireless Devices Report No.: MTEB23010111-R Page 6 of 45 3 SUMMARY 3.1 General Remarks Date of receipt of test sample : 2023.01.13 Testing commenced on : 2023.01.14 Testing concluded on : 2023.01.30 3.2 Product Description Product Name: Bluetooth earbuds Model/Type reference: SW-C22 Power Supply： DC 3.7V(by battery) DC 5V(by USB) Testing sample ID： MT23010103 Bluetooth : Supported Type: Bluetooth BR/EDR Modulation: GFSK, π/4DQPSK, 8DPSK Operation frequency: 2402MHz~2480MHz Channel number: 79 Channel separation: 1MHz Antenna type: PCB antenna Antenna gain: 1.3dBi 3.3 Equipment Under Test Power supply system utilised Power supply voltage : ○ 230V / 50 Hz ○ 120V / 60Hz ○ 12 V DC ○ 24 V DC ● Other (specified in blank below) DC 3.7V(by battery) DC 5V(by USB) 3.4 Short description of the Equipment under Test (EUT) This is aBluetooth earbuds For more details, refer to the user’s manual of the EUT. Report No.: MTEB23010111-R Page 7 of 45 3.5 EUT operation mode The Applica…

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Product specification Quick Reference Date All the technical data and information contained herein are subject to change without prior notice Antenna Layout &module on the system board Antenna Gain Gain Table Antenna module on the system board Frequency2.45GHz*1 Ant. Port Input Pwr. (dBm)0 (Typ. BT class 2 output power) Tot. Rad. Pwr. (dBm)-2.3 (Input pwr – loss pwr) Peak EIRP(dBm)1.3 Directivity (dBi)1(all direction antenna) Efficiency (dB)-2.3 (58.5%) Gain (dBi)1.3 (Peak Gain XY-plane) Maximum Power (dBm)1.3 (XY-plane) Minimum Power (dBm)-4(XY-plane) Avg. Power (dBm)-0.5(XY-plane) Max/Min Ratio (dB)5.3(XY-plane) Max/Avg Ratio (dB)1.8(XY-plane) Min/Avg Ratio (dB)-3.5(XY-plane) Average Gain (dB)-0.5 (Avg Gain XY-plane) Unit in dBi @2.44GHz XY-planeXZ-planeYZ-planeEfficiency PeakAvg. PeakAvg.PeakAvg. Module Board 1.3-0.51.7-3.81.1-3.0 58.5% Jiangxi Sunwe Industrial Co., Ltd. Industrial park of Wanzai county, Yichun city, Jiangxi province ReturnLoss TheEnvironmentofAntennaRadiationPattern 3Dradiationpatterndiagram XY-planeXZ-planeYZ-plane

Model No.: SW-C22 CE TEST SETUP RE TEST SETUP Model No.: SW-C22 RE TEST SETUP