2BEBP-TW03JTrue Wireless Sports Earphones

Covered Equipment Identification 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 Section 2.911(d)(5)(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows: We, applicant Company Name: Beijing Netac Innovation Technology Development Co., Ltd. Address: 138-1-3 NO.20 YONG AN ROAD MEN TOU GOU DISTRICT, BEIJING, CHINA Phone: +86-13612842510 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. FCC ID: 2BEBP-TW03J If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2024-03-26 Name / Title: Dongdong Xie / Manager Company: Beijing Netac Innovation Technology Development Co., Ltd. Address: 138-1-3 NO.20 YONG AN ROAD MEN TOU GOU DISTRICT, BEIJING, CHINA Phone: +86-13612842510 Fax Number: N/A E-Mail: [email protected]

Covered Equipment Attestation 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 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 2BEBP-TW03J TW03J, TW05J, TW07J We, applicant Company Name: Beijing Netac Innovation Technology Development Co., Ltd. Address: 138-1-3 NO.20 YONG AN ROAD MEN TOU GOU DISTRICT, BEIJING, CHINA Phone: +86-13612842510 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. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2024-03-26 Name / Title: Dongdong Xie / Manager Company: Beijing Netac Innovation Technology Development Co., Ltd. Address: 138-1-3 NO.20 YONG AN ROAD MEN TOU GOU DISTRICT, BEIJING, CHINA Phone: +86-13612842510 Fax Number: N/A E-Mail: [email protected]

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 2BEBP-TW03J TW03J, TW05J, TW07J 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, Signature Date:2024-03-26 Name / Title: Dongdong Xie / Manager Company: Beijing Netac Innovation Technology Development Co., Ltd. Address: 138-1-3 NO.20 YONG AN ROAD MEN TOU GOU DISTRICT, BEIJING, CHINA Phone: +86-13612842510 Fax Number: N/A E-Mail: [email protected]

Beijing Netac Innovation Technology Development Co., Ltd. 138-1-3 NO.20 YONG AN ROAD MEN TOU GOU DISTRICT, BEIJING, CHINA Date: March. 26, 2024 FCC ID: 2BEBP-TW03J Model Number: TW03J, TW05J, TW07J To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We, Beijing Netac Innovation Technology Development Co., Ltd. hereby declare that our product (True Wireless Sports Earphones) Model Number: TW03J, TW05J, TW07J board, Schematic, Hardware version, Software version, structure and internal photos are same, named and appearance differently due to marketing purposes. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, (Signed) Name / Title: Dongdong Xie / Manager Company: Beijing Netac Innovation Technology Development Co., Ltd. Address: 138-1-3 NO.20 YONG AN ROAD MEN TOU GOU DISTRICT, BEIJING, CHINA Phone: +86-13612842510 Fax Number: N/A E-Mail: [email protected]

FCC ID: 2BEBP-TW03J Fig. 1 Fig. 2 FCC ID: 2BEBP-TW03J Fig. 3 Fig. 4 FCC ID: 2BEBP-TW03J Fig. 5 Fig. 6 FCC ID: 2BEBP-TW03J Fig. 7 Fig. 8

_____________________________________________________________________________________________________ LABEL AND LOCATION (Size: L1.0cm x 0.5cm) Label Location FCC ID: 2BEBP-OS03

FCC ID: 2BEBP-TW03J Fig. 1 Fig. 2 FCC ID: 2BEBP-TW03J Fig. 3 Fig. 4 Antenna FCC ID: 2BEBP-TW03J Fig. 5 Fig. 6

Shenzhen Global Test Service Co.,Ltd. No.7-101 and 8A-104, Building 7 and 8, DCC Cultural and Creative Garden, No.98, Pingxin North Road, Shangmugu Community, Pinghu Street, Longgang District, Shenzhen, Guangdong RF Exposure evaluation Report Reference No. .................... : FCC ID. ............................................ : GTS20240118008-1-30 2BEBP-TW03J Compiled by ( position+printed name+signature) .. : File administrators Peter Xiao Supervised by ( position+printed name+signature) .. : Test Engineer Evan Ouyang Approved by ( position+printed name+signature) .. : Manager Jason Hu Date of issue ..................................... : Mar. 18, 2024 Representative Laboratory Name : Shenzhen Global Test Service Co.,Ltd. Address ............................................. : No.7-101 and 8A-104, Building 7 and 8, DCC Cultural and Creative Garden, No.98, Pingxin North Road, Shangmugu Community, Pinghu Street, Longgang District, Shenzhen, Guangdong,China Applicant’s name ............................ : Beijing Netac Innovation Technology Development Co.Ltd Address ............................................. : 138-1-3 NO.20 YONG AN ROAD MEN TOU GOU DISTRICT BEIJING CHINA Test specification .......................... : Standard ........................................... : 47CFR §1.1310 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 TRF Originator .................................. : Shenzhen Global Test Service Co.,Ltd. Master TRF ....................................... : Dated 2014-12 Shenzhen Global Test 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 Global Test Service Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Global Test 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 .................... : True Wireless Sports Earphones Trade Mark ....................................... : Netac Manufacturer ..................................... : Beijing Netac Innovation Technology Development Co.Ltd Model/Type reference ....................... : TW03J Listed Models ................................... : TW05J, TW07J Exposure category ............................ : General population/uncontrolled environment EUT Type .......................................... : Portable Hardware Version ............................ : N/A Software Version .............................. : N/A Rating ............................................... : DC 3.7V by battery Recharged by DC 5.0V Result ................................................ : PASS Report No.: GTS20240118008-1-30 Page 2 of 10 T E S T R E P O R T Test Report No. : GTS20240118008-1-30 Mar. 18, 2024 ______________________________________________________________________________________________ Date of issue Equipment under Test : True Wireless Sports Earphones Model /Type : TW03J Listed model : TW05J, TW07J Applicant : Beijing Netac Innovation Technology Development Co.Ltd Address : 138-1-3 NO.20 YONG AN ROAD MEN TOU GOU DISTRICT BEIJING CHINA Manufacturer : Beijing Netac Innovation Technology Development Co.Ltd Address : 138-1-3 NO.20 YONG AN ROAD MEN TOU GOU DISTRICT BEIJING CHINA 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.: GTS20240118008-1-30 Page 3 of 10 Contents 1. S U M M A R Y .................................................................................. 4 1.1. EUT configuration ....................................................................................................................................... 4 1.2. Product Description .................................................................................................................................... 4 2. T E S T E N V I R O N M E N T ................................................................... 5 2.1. Address of the test laboratory ................................................................................................................... 5 2.2. Test Facility .................................................................................................................................................. 5 2.3. Environmental conditions .......................................................................................................................... 5 2.4. Statement of the measurement uncertainty ............................................................................................. 5 3 . M E T H O D O F M E A S U R EM E N T ......................................................... 6 3.1. Applicable Standard .................................................................................................................................... 6 3.2. Evaluation Method and Limit...................................................................................................................... 6 4. C O N D U C T E D P O W E R R E S U L T S ...................................................... 7 5. M A N U F A C T U R I N G T O L E R ANCE ...................................................... 8 6 . E V A L U A T I O N R E S U L TS ................................................................ 9 6.1. Standalone Evaluation ................................................................................................................................ 9 7. C O N C L U S I O N ............................................................................ 10 Report No.: GTS20240118008-1-30 Page 4 of 10 1. S U M M A R Y 1.1. EUT configuration The following peripheral devices and interface cables were connected during the measurement: ● - supplied by the manufacturer ○ - supplied by the lab ○ / L…

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LTA312450-D46 深圳市森美嘉电子有限公司 13510385948 [email protected] JIA XING GLEAD ELECTRONICS CO.,LTD 611, 6th Floor, Building C, Tianhui Building, Baoan District, Shenzhen 深圳市森美嘉电子有限公司 13510385948 [email protected] JIA XING GLEAD ELECTRONICS CO.,LTD 611, 6th Floor, Building C, Tianhui Building, Baoan District, Shenzhen 深圳市森美嘉电子有限公司 13510385948 [email protected] JIA XING GLEAD ELECTRONICS CO.,LTD 611, 6th Floor, Building C, Tianhui Building, Baoan District, Shenzhen 深圳市森美嘉电子有限公司 13510385948 [email protected] JIA XING GLEAD ELECTRONICS CO.,LTD 611, 6th Floor, Building C, Tianhui Building, Baoan District, Shenzhen 深圳市森美嘉电子有限公司 13510385948 [email protected] JIA XING GLEAD ELECTRONICS CO.,LTD 611, 6th Floor, Building C, Tianhui Building, Baoan District, Shenzhen 深圳市森美嘉电子有限公司 13510385948 [email protected] JIA XING GLEAD ELECTRONICS CO.,LTD 2.48 611, 6th Floor, Building C, Tianhui Building, Baoan District, Shenzhen 深圳市森美嘉电子有限公司 13510385948 [email protected] JIA XING GLEAD ELECTRONICS CO.,LTD 611, 6th Floor, Building C, Tianhui Building, Baoan District, Shenzhen 深圳市森美嘉电子有限公司 13510385948 [email protected] JIA XING GLEAD ELECTRONICS CO.,LTD 2.03 2.482.19 611, 6th Floor, Building C, Tianhui Building, Baoan District, Shenzhen 深圳市森美嘉电子有限公司 13510385948 [email protected] JIA XING GLEAD ELECTRONICS CO.,LTD 611, 6th Floor, Building C, Tianhui Building, Baoan District, Shenzhen 深圳市森美嘉电子有限公司 13510385948 [email protected] JIA XING GLEAD ELECTRONICS CO.,LTD 611, 6th Floor, Building C, Tianhui Building, Baoan District, Shenzhen 深圳市森美嘉电子有限公司 13510385948 [email protected] JIA XING GLEAD ELECTRONICS CO.,LTD 611, 6th Floor, Building C, Tianhui Building, Baoan District, Shenzhen

FCC ID:2BEBP-TW03J 1 Case No. : GTS20240118008-1-29 Ambient Condition: 23 °C, 49 %RH According Standard: ■Part15C Test Date: 2024.3.13 Test Engineer: Evan ouyang Appendix B.1: DTS Bandwidth Test Result TestMode Antenna Freq(MHz) DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE Ant1 2402 0.728 2401.656 2402.384 0.5 PASS 2440 0.676 2439.664 2440.340 0.5 PASS 2480 0.668 2479.672 2480.340 0.5 PASS FCC ID:2BEBP-TW03J 2 Test Graphs BLE_Ant1_2402 BLE_Ant1_2440 BLE_Ant1_2480 FCC ID:2BEBP-TW03J 3 FCC ID:2BEBP-TW03J 4 Appendix B.2: Occupied Channel Bandwidth Test Result TestMode Antenna Freq(MHz) OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE Ant1 2402 1.0488 2401.4939 2402.5427 --- --- 2440 1.0501 2439.4899 2440.5400 --- --- 2480 1.0862 2479.4695 2480.5557 --- --- FCC ID:2BEBP-TW03J 5 Test Graphs BLE_Ant1_2402 BLE_Ant1_2440 BLE_Ant1_2480 FCC ID:2BEBP-TW03J 6 FCC ID:2BEBP-TW03J 7 Appendix B.3: Maximum conducted output power Test Result TestMode Antenna Freq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict BLE Ant1 2402 1.31 ≤30 PASS 2440 2.71 ≤30 PASS 2480 2.40 ≤30 PASS Note： 1.The Duty Cycle Factor and RBW Factor is compensated in the data. FCC ID:2BEBP-TW03J 8 Appendix B.4: Maximum power spectral density Test Result TestMode Antenna Freq(MHz) Result[dBm/3kHz] Limit[dBm/3kHz] Verdict BLE Ant1 2402 -14.66 ≤8.00 PASS 2440 -13.02 ≤8.00 PASS 2480 -13.10 ≤8.00 PASS Note： 1. The Duty Cycle Factor and RBW Factor is compensated in the graph. FCC ID:2BEBP-TW03J 9 Test Graphs BLE_Ant1_2402 BLE_Ant1_2440 BLE_Ant1_2480 FCC ID:2BEBP-TW03J 10 FCC ID:2BEBP-TW03J 11 Appendix B.5: Band edge measurements Test Result TestMode Antenna ChName Freq (MHz) RefLevel [dBm] Result [dBm] Limit [dBm] Verdict BLE Ant1 Low 2402 1.00 -48.08 ≤-19 PASS High 2480 2.23 -49.04 ≤-17.77 PASS FCC ID:2BEBP-TW03J 12 Test Graphs BLE_Ant1_Low_2402 BLE_Ant1_High_2480 FCC ID:2BEBP-TW03J 13 Appendix B.6: Conducted Spurious Emission Test Result TestMode Antenna Freq(MHz) FreqRange [MHz] RefLevel [dBm] Result[dBm] Limit[dBm] Verdict BLE Ant1 2402 Reference 0.29 0.29 --- PASS 30~1000 0.29 -58.66 ≤-19.71 PASS 1000~26500 0.29 -48.2 ≤-19.71 PASS 2440 Reference 1.28 1.28 --- PASS 30~1000 1.28 -58.4 ≤-18.72 PASS 1000~26500 1.28 -37.38 ≤-18.72 PASS 2480 Reference 1.36 1.36 --- PASS 30~1000 1.36 -57.21 ≤-18.64 PASS 1000~26500 1.36 -45.3 ≤-18.64 PASS FCC ID:2BEBP-TW03J 14 Test Graphs BLE_Ant1_2402_0~Reference BLE_Ant1_2402_30~1000 BLE_Ant1_2402_1000~26500 FCC ID:2BEBP-TW03J 15 BLE_Ant1_2440_0~Reference BLE_Ant1_2440_30~1000 FCC ID:2BEBP-TW03J 16 BLE_Ant1_2440_1000~26500 BLE_Ant1_2480_0~Reference BLE_Ant1_2480_30~1000 FCC ID:2BEBP-TW03J 17 BLE_Ant1_2480_1000~26500 FCC ID:2BEBP-TW03J 18 Appendix B.7: Emissions in Restricted Bands Test Result TestMode Antenna ChName Freq (MHz) Detector Freq [MHz] Result [dBm] Limit [dBm] Result [dBuV/m] Limit [dBuV/m] Verdict BLE Ant1 Low 2402 AV 2310.000 -49.65 ≤-41.20 45.55 ≤54 PASS AV 2380.745 -47.38 ≤-41.20 47.82 ≤54 PASS AV 2390.000 -48.04 ≤-41.20 47.16 ≤54 PASS Peak 2310.000 -43.26 ≤-21.20 51.94 ≤74 PASS Peak 2334.335 -39.38 ≤-21.20 55.82 ≤74 PASS Peak 2390.000 -42.76 ≤-21.20 52.44 ≤74 PASS High 2480 AV 2483.500 -47.27 ≤-41.20 47.93 ≤54 PASS AV 2498.320 -46.95 ≤-41.20 48.25 ≤54 PASS AV 2500.000 -47.04 ≤-41.20 48.16 ≤54 PASS Peak 2483.500 -42.31 ≤-21.20 52.89 ≤74 PASS Peak 2489.360 -38.66 ≤-21.20 56.54 ≤74 PASS Peak 2500.000 -43.37 ≤-21.20 51.83 ≤74 PASS Note： 1. The Antenna Gain is compensated in the graph. 2. The Duty Cycle Factor and RBW Factor is compensated in the graph. 3. The limit in dBm for average detector is conversion from 54dBuV/m, according to 15.209(a). The limit in dBm for peak detector is 20dB above the limit of average detector in dBm. FCC ID:2BEBP-TW03J 19 Test Graphs BLE_Ant1_Low_2402_AV BLE_Ant1_Low_2402_Peak BLE_Ant1_High_2480_AV FCC ID:2BEBP-TW03J 20 BLE_Ant1_High_2480_Peak

Shenzhen Global Test Service Co.,Ltd. No.7-101 and 8A-104, Building 7 and 8, DCC Cultural and Creative Garden, No.98, Pingxin North Road, Shangmugu Community, Pinghu Street, Longgang District, Shenzhen, Guangdong FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. ..................... : FCC ID............................................. : GTS20240118008-1-29 2BEBP-TW03J Compiled by ( position+printed name+signature) . : File administrators Peter Xiao Supervised by ( position+printed name+signature) . : Test Engineer Evan Ouyang Approved by ( position+printed name+signature) . : Manager Jason Hu Date of issue .................................... : Mar. 18, 2024 Representative Laboratory Name . : Shenzhen Global Test Service Co.,Ltd. Address ............................................ : No.7-101 and 8A-104, Building 7 and 8, DCC Cultural and Creative Garden, No.98, Pingxin North Road, Shangmugu Community, Pinghu Street, Longgang District, Shenzhen, Guangdong,China Applicant’s name ............................ : Beijing Netac Innovation Technology Development Co.Ltd Address ............................................ : 138-1-3 NO.20 YONG AN ROAD MEN TOU GOU DISTRICT BEIJING CHINA Test specification ........................... : Standard ........................................... : FCC Part 15.247 TRF Originator .................................. : Shenzhen Global Test Service Co.,Ltd. Master TRF ...................................... : Dated 2014-12 Shenzhen Global Test 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 Global Test Service Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Global Test 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 ..................... : True Wireless Sports Earphones Trade Mark ....................................... : Netac Manufacturer .................................... : Beijing Netac Innovation Technology Development Co.Ltd Model/Type reference ...................... : TW03J Listed Models .................................. : TW05J, TW07J Modulation Type ............................... : GFSK Operation Frequency ........................ : From 2402MHz to 2480MHz Hardware Version ............................ : N/A Software Version .............................. : N/A Rating ............................................... : DC 3.7V by battery Recharged by DC 5.0V Result ............................................... : PASS Report No.: GTS20240118008-1-29 Page 2 of 26 T E S T R E P O R T Test Report No. : GTS20240118008-1-29 Mar. 18, 2024 ______________________________________________________________________________________________ Date of issue Equipment under Test : True Wireless Sports Earphones Model /Type : TW03J Listed model : TW05J, TW07J Applicant : Beijing Netac Innovation Technology Development Co.Ltd Address : 138-1-3 NO.20 YONG AN ROAD MEN TOU GOU DISTRICT BEIJING CHINA Manufacturer : Beijing Netac Innovation Technology Development Co.Ltd Address : 138-1-3 NO.20 YONG AN ROAD MEN TOU GOU DISTRICT BEIJING CHINA 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.: GTS20240118008-1-29 Page 3 of 26 Contents 1. TEST STANDARDS ......................................................................................................................................... 4 2. SUMMARY ....................................................................................................................................................... 5 2.1. General Remarks ................................................................................................................................... 5 2.2. Product Description ................................................................................................................................ 5 2.3. Equipment Under Test ........................................................................................................................... 5 2.4. Short description of the Equipment under Test (EUT) ........................................................................... 6 2.5. EUT operation mode .............................................................................................................................. 6 2.6. Block Diagram of Test Setup ................................................................................................................. 7 2.7. EUT Exercise Software .......................................................................................................................... 7 2.8. Special Accessories ............................................................................................................................... 7 2.9. External I/O Cable .................................................................................................................................. 7 2.10. Related Submittal(s) / Grant (s) ........................................................................................................... 7 2.11. Modifications ........................................................................................................................................ 7 3. TEST ENVIRONMENT ..................................................................................................................................... 8 3.1. Address of the test laboratory ................................................................................................................ 8 3.2. Test Facility ...................................................................................................................…

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FCC ID: 2BEBP-TW03J _______________________________________________________________________________________________ Page 1 of 2 1. TEST SETUP PHOTOGRAPHS 1.1. Photo of Radiated Emissions Measurement Fig. 1 Fig. 2 FCC ID: 2BEBP-TW03J _______________________________________________________________________________________________ Page 2 of 2 Photo of Conducted Emission Measurement Fig. 4