2BD56-K23Bluetooth Headset

FCC Statement 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 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。

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 2BD56‐K23 K23 K10 K06 K31 K21 E08 T06 T10 S01 K11 K26 K28 K29 T12 T16 We, applicant Company Name: ShenZhen BanJuan Rising‐sun Electronic Co.,Ltd Address: 14c, Building 6, Huaqiao Xinyuan, Niulanqian, Longhua New District, Shenzhen City, Guangdong Province Phone: 18673028487 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. 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, Dec.20,2023 Signature Date Printed Name of Signee: Sun jile Company: ShenZhen BanJuan Rising‐sun Electronic Co.,Ltd Address: 14c, Building 6, Huaqiao Xinyuan, Niulanqian, Longhua New District, Shenzhen City, Guangdong Province Phone: 18673028487 Email: [email protected]

Local Representative 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)(7), of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2BD56‐K23 K23 K10 K06 K31 K21 E08 T06 T10 S01 K11 K26 K28 K29 T12 T16 We hereby acknowledge as follows: i. both signees confirm that the point of contact accepts responsibility to act as a US‐ American Representative on behalf of the applicant ii. the point of contact provides the physical U.S. address and email as listed below iii. both parties maintain the requirements of this agreement 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. US‐American Point of Contact Applicant/Approval Holder Company Name: GSS SERVICE INC ShenZhen BanJuan Rising‐sun Electronic Co.,Ltd FRN: 0033500653 0033896796 Contact Name: Michoux Logan Sun jile Address: 6547 N Academy Blvd #2266 Colorado Springs Co 80918 USA 14c, Building 6, Huaqiao Xinyuan, Niulanqian, Longhua New District, Shenzhen City, Guangdong Province Phone: 001‐949‐2990192 or 001‐515‐ 7158284 18673028487 Email: [email protected] [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 2BD56‐K23 K23 K10 K06 K31 K21 E08 T06 T10 S01 K11 K26 K28 K29 T12 T16 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 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, Dec.20,2023 Signature Date Printed Name of Signee: Sun jile / Manager Company: ShenZhen BanJuan Rising‐sun Electronic Co.,Ltd Address: 2nd floor, West Ladder, Building 6, Hengtong Industrial Zone, No. 280 Jihua Road, Jihua Street, Longgang District, Shenzhen Phone: 18673028487 Fax: Email: [email protected]

ShenZhen BanJuan Rising-sun Electronic Co.,Ltd 14c, Building 6, Huaqiao Xinyuan, Niulanqian, Longhua New District, Shenzhen City, Guangdong Province Declaration Letter Date: Dec.20,2023 To : Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: For our business issue and marketing requirement, we would like to list different model number on the FCC certificates and reports, as following: FCC ID: 2BD56-K23 Model Number: K23 K10 K06 K31 K21 E08 T06 T10 S01 K11 K26 K28 K29 T12 T16 Model Difference: The difference between models is for different market sale, the other (hardware and software) was the same as before. Sincerely, Name / Title Sun jile/Manager Company Name ShenZhen BanJuan Rising-sun Electronic Co.,Ltd Company Address 14c, Building 6, Huaqiao Xinyuan, Niulanqian, Longhua New District, Shenzhen City, Guangdong Province Tel: 18673028487 Fax: Email: [email protected]

External Photographs FCC ID: 2BD56-K23

Label Sample for FCC ID: 2BD56-K23 FCC ID: 2BD56-K23 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. Size for the label: Product Name : Bluetooth Headset Model : K23 FCC ID :2BD56-K23

Radio frequency radiation exposure evaluation: portable devices 1.1 Radio Frequency Exposure Compliance 1.1.1 Electromagnetic Fields RESULT: Pass Test Specification Test item : Bluetooth Headset Identification / Type No. : K23 FCC ID : 2BD56-K23 Test standard : CFR47 FCC Part 2: Section 2.1093 FCC KDB Publication 447498 v06 Measurement Record: EIRP[dBm] = maximum peak output + antenna Gain = -0.25dBm +1.2dBi =0.95dBm Since maximum peak output power of the transmitter is 0.95 dBm ≈1.24mW < 10mW. Hence the EUT is excluded from SAR evaluation according to FCC KDB Publication 447498 D01 General RF Exposure Guidance v06.

Antenna specification Quick Reference Date K23 Frequenc Range 2400 ~ 2500MHz Ant. Port Input Pwr. (dBm) 0 (Typ. BT class 2 output power) Tot. Rad. Pwr. (dBm) -1.2 (Input pwr – loss pwr) Peak EIRP(dBm) 1.2 Directivity (dBi) 1 (all direction antenna) Efficiency (dB) 6 0.2 % Gain (dBi) 1.2 (Avg Gain XY-plane) Maximum Power (dBm) 1.7 (XY-plane) Minimum Power (dBm) -4(XY-plane) Avg. Power (dBm) -0.5(XY-plane) Input Impendence(ohm) 50 Polarization Type V ertical & Horizontal V . S .W . R < 1.4 All the technical data and information contained herein are subject to ch ange without prior notice Antenna Layout & module on the system board Antenna Gain Gain Table Unit in dBi @2.44GHz XY-plane XZ-plane YZ-plane Efficiency Peak Avg. Peak Avg. Peak Avg. Module Board 1.2 -0.51.9 -3.61.1 -3.06 0.2 % ShenZhen BanJuan Rising-sun Electronic Co.,Ltd 14c, Building 6, Huaqiao Xinyuan, Niulanqian, Longhua New District, Shenzhen City, Guangdong Province Models No.: Retum Loss The Environment of Antenna Radiation Pattem 3D radiation pattern diagram XY-plane XZ-plane YZ-plane

BSL Testing Co.,LTD. Report No.: BSL231261089603RF Report No.: BSL230961089601RF Page 1 of 31 FCC Part 15.247 FCC Part 15C Measurement and Test Report For ShenZhen BanJuan Rising-sun Electronic Co.,Ltd FCC ID: 2BD56-K23 FCC Rule(s): FCC Part 15.247 Product Description: Bluetooth Headset Tested Model: K23 Report No.: BSL231261089603RF Tested Date: Dec.01,2023~Jan.09, 2024 Issued Date: Jan. 09, 2024 Tested By: Lris Yao / Engineer Reviewed By: Levi Xiao / EMC Manager Approved & Authorized By: Salon Ouyang / PSQ Manager Prepared By: BSL Testing Co.,LTD. 1/F, Building B, Xinshidai GR Park, Shiyan Street, Bao'an District, Shenzhen, ShiyanStreet, Bao'an District, Shenzhen,Guangdong,518052,People’s Republic of China Tel: 400-882-9628 Fax: 86- 755-26508703 BSL Testing Co.,LTD. Report No.: BSL231261089603RF Report No.: BSL230961089601RF Page 2 of 31 FCC Part 15.247 TABLE OF CONTENTS 1. GENERAL INFORMATION ...................................................................................................................................... 3 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) .................................................................................. 3 1.2 TEST STANDARDS ...................................................................................................................................................... 4 1.3 TEST METHODOLOGY ................................................................................................................................................ 4 1.4 TEST FACILITY .......................................................................................................................................................... 4 1.5 EUT SETUP AND TEST MODE .................................................................................................................................... 5 1.6 MEASUREMENT UNCERTAINTY ................................................................................................................................. 5 1.7 TEST EQUIPMENT LIST AND DETAILS ........................................................................................................................ 6 2. SUMMARY OF TEST RESULTS .............................................................................................................................. 7 3. RF EXPOSURE ............................................................................................................................................................ 8 3.1 STANDARD APPLICABLE ............................................................................................................................................ 8 3.2 TEST RESULT............................................................................................................................................................. 8 4. ANTENNA REQUIREMENT ..................................................................................................................................... 9 4.1 STANDARD APPLICABLE ............................................................................................................................................ 9 4.2 EVALUATION INFORMATION ..................................................................................................................................... 9 5. POWER SPECTRAL DENSITY .............................................................................................................................. 10 5.1 STANDARD APPLICABLE .......................................................................................................................................... 10 5.2 TEST PROCEDURE .................................................................................................................................................... 10 5.3 ENVIRONMENTAL CONDITIONS ............................................................................................................................... 10 5.4 SUMMARY OF TEST RESULTS/PLOTS ....................................................................................................................... 10 6. 6DB BANDWIDTH .................................................................................................................................................... 13 6.1 STANDARD APPLICABLE .......................................................................................................................................... 13 6.2 TEST PROCEDURE .................................................................................................................................................... 13 6.3 ENVIRONMENTAL CONDITIONS ............................................................................................................................... 13 6.4 SUMMARY OF TEST RESULTS/PLOTS ....................................................................................................................... 13 7. RF OUTPUT POWER ............................................................................................................................................... 16 7.1 STANDARD APPLICABLE .......................................................................................................................................... 16 7.2 TEST PROCEDURE .................................................................................................................................................... 16 7.3 ENVIRONMENTAL CONDITIONS ............................................................................................................................... 16 7.4 SUMMARY OF TEST RESULTS/PLOTS ....................................................................................................................... 16 8. FIELD STRENGTH OF SPURIOUS EMISSIONS ................................................................................................ 17 8.1 STANDARD APPLICABLE .......................................…

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Test Setup Photos FCC ID: 2BD56-K23