2A6EB-RYYT01-1Speaker

表格编号：PRO010-09Rev:A RYYT01-1 User Manual Product introduction 1、Product power supply is DC12-29V. 2、Support Bluetooth music playback. 3、Supports interplay with multiple devices. 4、Support mobile APP to change the Bluetooth name. Product diagram 表格编号：PRO010-09Rev:A Key function 1、Single can be used as a classic Bluetooth music playback: power on automatically, the phone directly search product Bluetooth connection to play music. 2、Multiple units in the same space can be used as the main and secondary computer interconnection playback: After multiple machines are powered on automatically, the mobile phone directly searches for product Bluetooth, will search for multiple products Bluetooth (how many machines are powered on), click on a product Bluetooth connection, the connection success after the connection prompt output that one will be used as the host, the host background will automatically pair with the rest of the machine interconnection into the main and secondary machines. Mobile phones play music first have sound output and then all secondary phones have sound output. 3、Mobile APP to change the Bluetooth name: Open the downloaded SPP Bluetooth Serial Port APP on the mobile phone and enter the connection to change the Bluetooth name. 表格编号：PRO010-09Rev:A Technical index Technical index Item Description Bluetooth standard Bluetooth 5.3 Frequency 2402 MHz ~ 2480 MHz Classical distance ≥15M Primary and secondary interconnect distance ≥20M Power output of power amplifier 10W*1 Mains supply DC12-29V Signal-to-noise ratio（SNR） ≥90dBA 表格编号：PRO010-09Rev:A 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. 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. To maintain compliance with FCC’s RF Exposure guidelines, This equipment should be installed and operated with minimum distance between 20cm the radiator your body: Use only the supplied antenna.

RongYuan(ZhuHai) Electronic Technology Co., Ltd. U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: AOCE Corporation Inc. FRN: 0033401381 Contact Name: Johnson.wang Address: 6547 N Academy Bivd #2266, Colorado Springs, CO,80918 United States Telephone No: +1-346-582-5234 Email: [email protected] This letter is to confirm that we (AOCE Corporation Inc.) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date: 2023-10-09 Signed by (Printed Name/Title): The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: RongYuan(ZhuHai) Electronic Technology Co., Ltd. FCC ID: 2A6EB-RYYT01-1 Contact Name: Huangbo Lan Address: 3rd Floor, 1st Workshop, No.2, Pingbei 2nd Road, Nanping Industrial Park, Zhuhai, Guangdong, China Telephone No: 13823290620 Email: [email protected] Applicant Signature: Date: 2023-10-09 Signed by (Printed Name/Title): Huangbo Lan /R&D Manager

RongYuan(ZhuHai) Electronic Technology Co., Ltd. 2023.10.12 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for FCC ID: 2A6EB-RYYT01-1 [RongYuan(ZhuHai) Electronic 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. Sincerely, (Applicant signature) (Applicant printed name) Huangbo Lan RongYuan(ZhuHai) Electronic Technology Co., Ltd. 2023.10.12 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for FCC ID: 2A6EB-RYYT01-1 [RongYuan(ZhuHai) Electronic 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, (Applicant signature) (Applicant printed name) Huangbo Lan

RongYuan(ZhuHai) Electronic Technology Co., Ltd. 2023.10.12 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: Speaker Trademark: N/A MODEL : RYYT01-1, RYYT01-2, RYYT01-3, RYYT01-4, RYYT01-5 FCC ID : 2A6EB-RYYT01-1 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 - Block Diagram - Schematics - Operational Description required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Client’s signature: Client’s name / title : Huangbo Lan /R&D Manager Contact information / address: 3rd Floor, 1st Workshop, No.2, Pingbei 2nd Road, Nanping Industrial Park, Zhuhai, Guangdong, China

RongYuan(ZhuHai) Electronic Technology Co., Ltd. 2023.10.12 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen BCTC Testing 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, Client’s signature: Client’s name / title : Huangbo Lan /R&D Manager Contact information / address: 3rd Floor, 1st Workshop, No.2, Pingbei 2nd Road, Nanping Industrial Park, Zhuhai, Guangdong, China

RongYuan(ZhuHai) Electronic Technology Co., Ltd. Model Difference 2023-10-12 EUT NAME: Speaker MODEL : RYYT01-1, RYYT01-2, RYYT01-3, RYYT01-4, RYYT01-5 FCC ID: 2A6EB-RYYT01-1 All the model are the same circuit and RF module, only for model name and color. Regards Sincerely Client’s signature: Client’s name / title : Huangbo Lan /R&D Manager Contact information / address: 3rd Floor, 1st Workshop, No.2, Pingbei 2nd Road, Nanping Industrial Park, Zhuhai, Guangdong, China

Appendix-Photographs FCC ID: 2A6EB-RYYT01-1 External Photos

Size:40*20mm Speaker FCC ID: 2A6EB-RYYT01-1 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. Label location

Internal Photos Antenna Antenna

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2A6EB-RYYT01-1 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna, R=0.2m TEST RESULTS Simultaneous transmitting evaluation: Power Density (S) (mW/ cm2) Total (mW/ cm2) Limit (mW/ cm2) BT8962B5 0.00117 0.00191 1 BT8922B2 0.00074 Conclusion: For the max result: 0.00191≤ 1.0, compliance with FCC's RF Exposure Tune up Produce power Maximum peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW/ cm2) Result BT8962B5 5±1 6 3.98 1.48 (1.7dBi) 0.00117 1 Pass BT8922B2 3±1 4 2.51 1.48 (1.7dBi) 0.00074 1 Pass

RongYuan(ZhuHai) Electronic Technology Co., Ltd. 3rd Floor, 1st Workshop, No.2, Pingbei 2nd Road, Nanping Industrial Park, Zhuhai, Guangdong, China

No.：BCTC/RF-EMC-007 Page: 1 of 79 Edition：B.0 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2309593878-1E Applicant: RongYuan(ZhuHai) Electronic Technology Co., Ltd. Product Name: Speaker Model/Type reference: RYYT01-1 Tested Date: 2023-09-13 to 2023-09-21 Issued Date: 2023-09-25 Report No.: BCTC2309593878-1E No.：BCTC/RF-EMC-007 Page: 2 of 79 Edition：B.0 FCC ID: 2A6EB-RYYT01-1 The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. Product Name: Speaker Trademark: N/A Model/Type Reference: RYYT01-1 RYYT01-2, RYYT01-3, RYYT01-4, RYYT01-5 Prepared For: RongYuan(ZhuHai) Electronic Technology Co., Ltd. Address: 3rd Floor, 1st Workshop, No.2, Pingbei 2nd Road, Nanping Industrial Park, Zhuhai, Guangdong, China Manufacturer: RongYuan(ZhuHai) Electronic Technology Co., Ltd. Address: 3rd Floor, 1st Workshop, No.2, Pingbei 2nd Road, Nanping Industrial Park, Zhuhai, Guangdong, China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Zhancheng, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2023-09-13 Sample tested Date: 2023-09-13 to 2023-09-21 Issue Date: 2023-09-25 Report No.: BCTC2309593878-1E Test Standards FCC Part15.247 ANSI C63.10-2013 Test Results PASS Remark: This is Bluetooth Classic radio test report, the Bluetooth IC tested is BT8962B5. Tested by: Approved by: Lei Chen/Project Handler Zero Zhou/Reviewer Report No.: BCTC2309593878-1E No.：BCTC/RF-EMC-007 Page: 3 of 79 Edition：B.0 Table Of Content Test Report Declaration Page 1. Version .................................................................................................................. 5 2. Test Summary ....................................................................................................... 6 3. Measurement Uncertainty ..................................................................................... 7 4. Product Information And Test Setup ..................................................................... 8 4.1 Product Information ............................................................................................... 8 4.2 Test Setup Configuration ...................................................................................... 8 4.3 Support Equipment ............................................................................................... 9 4.4 Channel List .......................................................................................................... 9 4.5 Test Mode ........................................................................................................... 10 4.6 Table Of Parameters Of Text Software Setting ................................................... 10 5. Test Facility And Test Instrument Used ............................................................... 11 5.1 Test Facility ......................................................................................................... 11 5.2 Test Instrument Used .......................................................................................... 11 6. Conducted Emissions .......................................................................................... 13 6.1 Block Diagram Of Test Setup .............................................................................. 13 6.2 Limit .................................................................................................................... 13 6.3 Test procedure .................................................................................................... 13 6.4 EUT operating Conditions ................................................................................... 14 6.5 Test Result .......................................................................................................... 14 7. Radiated emissions ............................................................................................. 15 7.1 Block Diagram Of Test Setup .............................................................................. 15 7.2 Limit .................................................................................................................... 16 7.3 Test procedure .................................................................................................... 17 7.4 EUT operating Conditions ................................................................................... 18 7.5 Test Result .......................................................................................................... 18 8. Radiated Band Emission Measurement And Restricted Bands Of Operation ..... 24 8.1 Block Diagram Of Test Setup .............................................................................. 24 8.2 Limit .................................................................................................................... 24 8.3 Test procedure .................................................................................................... 25 8.4 EUT operating Conditions ................................................................................... 25 8.5 Test Result .......................................................................................................... 26 9. Spurious RF Conducted Emissions ..................................................................... 27 9.1 Block Diagram Of Test Setup .............................................................................. 27 9.2 Limit .................................................................................................................... 27 9.3 Test procedure .........................................................................................…

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No.：BCTC/RF-EMC-007 Page: 1 of 79 Edition：B.0 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2309593878-2E Applicant: RongYuan(ZhuHai) Electronic Technology Co., Ltd. Product Name: Speaker Model/Type reference: RYYT01-1 Tested Date: 2023-09-13 to 2023-09-21 Issued Date: 2023-09-25 Report No.: BCTC2309593878-2E No.：BCTC/RF-EMC-007 Page: 2 of 79 Edition：B.0 FCC ID: 2A6EB-RYYT01-1 The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. Product Name: Speaker Trademark: N/A Model/Type Reference: RYYT01-1 RYYT01-2, RYYT01-3, RYYT01-4, RYYT01-5 Prepared For: RongYuan(ZhuHai) Electronic Technology Co., Ltd. Address: 3rd Floor, 1st Workshop, No.2, Pingbei 2nd Road, Nanping Industrial Park, Zhuhai, Guangdong, China Manufacturer: RongYuan(ZhuHai) Electronic Technology Co., Ltd. Address: 3rd Floor, 1st Workshop, No.2, Pingbei 2nd Road, Nanping Industrial Park, Zhuhai, Guangdong, China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Zhancheng, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2023-09-13 Sample tested Date: 2023-09-13 to 2023-09-21 Issue Date: 2023-09-25 Report No.: BCTC2309593878-2E Test Standards FCC Part15.247 ANSI C63.10-2013 Test Results PASS Remark: This is Bluetooth Classic radio test report, the Bluetooth IC tested is BT8922B2. Tested by: Approved by: Lei Chen/Project Handler Zero Zhou/Reviewer Report No.: BCTC2309593878-2E No.：BCTC/RF-EMC-007 Page: 3 of 79 Edition：B.0 Table Of Content Test Report Declaration Page 1. Version .................................................................................................................. 5 2. Test Summary ....................................................................................................... 6 3. Measurement Uncertainty ..................................................................................... 7 4. Product Information And Test Setup ..................................................................... 8 4.1 Product Information ............................................................................................... 8 4.2 Test Setup Configuration ...................................................................................... 8 4.3 Support Equipment ............................................................................................... 9 4.4 Channel List .......................................................................................................... 9 4.5 Test Mode ........................................................................................................... 10 4.6 Table Of Parameters Of Text Software Setting ................................................... 10 5. Test Facility And Test Instrument Used ............................................................... 11 5.1 Test Facility ......................................................................................................... 11 5.2 Test Instrument Used .......................................................................................... 11 6. Conducted Emissions .......................................................................................... 13 6.1 Block Diagram Of Test Setup .............................................................................. 13 6.2 Limit .................................................................................................................... 13 6.3 Test procedure .................................................................................................... 13 6.4 EUT operating Conditions ................................................................................... 14 6.5 Test Result .......................................................................................................... 14 7. Radiated emissions ............................................................................................. 15 7.1 Block Diagram Of Test Setup .............................................................................. 15 7.2 Limit .................................................................................................................... 16 7.3 Test procedure .................................................................................................... 17 7.4 EUT operating Conditions ................................................................................... 18 7.5 Test Result .......................................................................................................... 18 8. Radiated Band Emission Measurement And Restricted Bands Of Operation ..... 24 8.1 Block Diagram Of Test Setup .............................................................................. 24 8.2 Limit .................................................................................................................... 24 8.3 Test procedure .................................................................................................... 25 8.4 EUT operating Conditions ................................................................................... 25 8.5 Test Result .......................................................................................................... 26 9. Spurious RF Conducted Emissions ..................................................................... 27 9.1 Block Diagram Of Test Setup .............................................................................. 27 9.2 Limit .................................................................................................................... 27 9.3 Test procedure .........................................................................................…

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Report No.: BCTC2309593878-1E No.：BCTC/RF-EMC-007 Page: 78 of 79 Edition：B.0 17. EUT Test Setup Photographs Radiated Measurement Photos