2BFM5-NV-09204ELECTRONIC BOOMBOX

INSTRUCTION MANUAL Charging Instructions: Ourput voltage: DC3.7V ⚫ This wireless speaker has a built - in rechargeable battery. ⚫ To recharge, plug the Micro USB end of the USB cable into the charging port. Plug the order end into a USB port on your computer or other device made for USB charging. ⚫ It takes 2-3 hours to fully charge the speaker. ⚫ Once the speaker is fully charged the red LED will change to green color. ⚫ When the battery charge has depleted, the speaker will turn OFF automatically. ⚫ It is recommended to fully charge the speaker before its first use. Wireless Connection Instructions: ⚫ Turn on the wireless speaker using the ON/OFF button. ⚫ Perform the audio pairing procedure your device uses (refer to your device's instructions if necessary). The speaker will show as "WS Boom Box" on your device. ⚫ The wireless speaker will stay paired to your device until the speaker is turned off. 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

MAX SALES GROUP 2024.10.09 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 2BFM5-NV-09204 [MAX SALES GROUP] (“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, XIMEI LIN MAX SALES GROUP 2024.10.09 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 2BFM5-NV-09204 [MAX SALES GROUP] (“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, XIMEI LIN

Attestation Statements 2024.10.09 TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for 2BFM5-NV-09204 (MAX SALES GROUP), the undersigned, hereby authorize (MAX SALES GROUP) to act as our designated U.S. agent for service of process, (MAX SALES GROUP) 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. (MAX SALES GROUP) accepts the responsibility to act as designated U.S. agent for service of process. Applicant Information： Company name: MAX SALES GROUP Contact Name: XIMEI LIN Address: 15240 E. Nelson Ave Industry CA 91744 USA Telephone No: +1 323-722-4700 Email: [email protected] Signature U.S. Agent Information: Company Name: MAX SALES GROUP Address: 15240 E. Nelson Ave Industry CA 91744 USA FRN: 0035197995 Contact Name: XIMEI LIN Telephone No: +1 323-722-4700 Email: [email protected] Signature

MAX SALES GROUP 2024-10-09 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (ELECTRONIC BOOMBOX / NV-09204 AND 2BFM5-NV-09204) 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 • Schematics • Block diagram • Operation description required to be submitted with this application be permanently withheld from public review. These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. Please contact me if there is any information you may need. Sincerely, Name: XIMEI LIN

MAX SALES GROUP 2024-10-09 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen STS Test Services 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: XIMEI LIN

Page 1 of 4 Report No.: STS2409067 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model: NV-09204 Photo 1 Photo 2 Page 2 of 4 Report No.: STS2409067 Photo 3 Photo 4 Page 3 of 4 Report No.: STS2409067 Photo 5 Photo 6 Page 4 of 4 Report No.: STS2409067 Photo 7 Photo 8

Label 12mm 70mm ELECTRONIC BOOMBOX Model: NV-09204 FCC ID: 2BFM5-NV-09204

Page 1 of 4 Report No.: STS2409067 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model:NV-09204 Photo 1 Photo 2 BT Antenna Page 2 of 4 Report No.: STS2409067 Photo 3 Photo 4 Page 3 of 4 Report No.: STS2409067 Photo 5 Photo 6 Page 4 of 4 Report No.: STS2409067 Photo 7

The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the ShenZhen STS Test Services Co., Ltd. Radio Test Report Report No.: STS2409067H01 Issued for MAX SALES GROUP 15240 E. Nelson Ave Industry CA 91744 USA Product Name: ELECTRONIC BOOMBOX Brand Name: N/A Model Name: NV-09204 Series Model(s): N/A FCC ID: 2BFM5-NV-09204 Test Standards: FCC 47CFR §2.1093 Page 2 of 10 Report No.: STS2409067H01 TEST REPORT Applicant’s Name ................. : MAX SALES GROUP Address ................................. : 15240 E. Nelson Ave Industry CA 91744 USA Manufacturer's Name ........... : MAX SALES GROUP Address ................................. : 15240 E. Nelson Ave Industry CA 91744 USA Product Description Product Name ........................ : ELECTRONIC BOOMBOX Brand Name .......................... : N/A Model Name .......................... : NV-09204 Series Model(s) ...................... : N/A Test Standards ..................... : FCC 47CFR §2.1093 447498 D04 Interim General RF Exposure Guidance v01 The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the ShenZhen STS Test Services Co., Ltd. Date of Test ........................................... : Date of receipt of test item ...................... : 10 Sept. 2024 Date (s) of performance of tests ............. : 10 Sept. 2024~ 23 Sept. 2024 Date of Issue .......................................... : 23 Sept. 2024 Test Result .............................................. : Pass Testing Engineer : (Aaron Bu) Technical Manager : (Tony Liu) Authorized Signatory : (Bovey Yang) Page 3 of 10 Report No.: STS2409067H01 TABLE OF CONTENTS 1. GENERAL INFORMATION 5 1.1 GENERAL DESCRIPTION OF THE EUT 5 1.2 TEST FACTORY 6 2. FCC 47CFR §2.1093 REQUIREMENT 7 2.1 TEST STANDARDS 7 2.2 LIMIT 7 2.3 TEST RESULT 10 Page 4 of 10 Report No.: STS2409067H01 Revision History Rev. Issue Date Report No. Effect Page Contents 00 23 Sept. 2024 STS2409067W01 ALL Initial Issue Page 5 of 10 Report No.: STS2409067H01 1. GENERAL INFORMATION 1.1 GENERAL DESCRIPTION OF THE EUT Product Name ELECTRONIC BOOMBOX Brand Name N/A Model Name NV-09204 Series Model(s) N/A Model Difference N/A Product Description The EUT is ELECTRONIC BOOMBOX Operation Frequency: 2402 MHz – 2480 MHz Modulation Type: GFSK(1Mbps), π/4-DQPSK(2Mbps), 8DPSK(3Mbps) Antenna gain: 2.50dBi Antenna Designation: PCB Power Rating Input: DC 5V Battery Rated Voltage:3.7V Charge Limit Voltage:4.2V Capacity: 250mAh Hardware Version N/A Software Version N/A Page 6 of 10 Report No.: STS2409067H01 1.2 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : 101, Building B, Zhuoke Science Park, No.190 Chongqing Road, ZhanChengShequ, Fuhai Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Certificate No.: 4338.01 Page 7 of 10 Report No.: STS2409067H01 2. FCC 47CFR §2.1093 REQUIREMENT 2.1 TEST STANDARDS Follow the maximum permissible exposure (MPE) limits specified in 447498 D04 Interim General Radio Frequency Exposure Guidelines v01. The gain of the antenna used in the product was extracted from the supplied antenna data sheet and the maximum total power input to the antenna was also measured. Calculate the distance from the product to the MPE limit by the formula. 2.2 LIMIT For single RF sources (i.e., any single fixed RF source, mobile device, or portable device, as defined in paragraph (b)(2) of this section): A single RF source is exempt if: (A) The available maximum time-averaged power is no more than 1 mW, regardless of separation distance. This exemption may not be used in conjunction with other exemption criteria other than those in paragraph (b)(3)(ii)(A) of Part 1.1307. Medical implant devices may only use this exemption and that in paragraph (b)(3)(ii)(A); (B) Or the available maximum time-averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold Pth (mW) described in the following formula. This method shall only be used at separation distances (cm) from 0.5 centimeters to 40 centimeters and at frequencies from 0.3 GHz to 6 GHz (inclusive). Pth is given by: Page 8 of 10 Report No.: STS2409067H01 (C) Or using below table and the minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. For the exemption in Table 1 to apply, R must be at least λ/2π, where λ is the free-space operating wavelength in meters. If the ERP of a single RF source is not easily obtained, then the available maximum time-averaged power may be used in lieu of ERP if the physical dimensions of the radiating structure(s) do not exceed the electrical length of λ/4 or if the antenna gain is less than that of a half-wave dipole (1.64 linear value). RF Source frequency (MHz) Threshold ERP(watts) 0.3-1.34 1,920 R 2 . 1.34-30 3,450 R 2 /f 2 . 30-300 3.83 R 2 . 300-1,500 0.0128 R 2 f. 1,500-100,000 19.2R 2 . Page 9 of 10 Report No.: STS2409067H01 For multiple RF sources: Multiple RF sources are exempt if: (A) The available maximum time-averaged power of each source is no more than 1 mW and there is a separation distance of two centimeters between any portion of a radiating structure operating and the nearest portion of any other radiating structure in the same device, except if the sum of multiple sources is less than 1 mW during the time-averaging period, in which case they may be treated as a single source (separation is not required). This exemption may not be used in conjunction with other exemption criteria other than those is paragraph (b)(3)(i)(A) of Part 1.1307. Medical implant devices may only use this exemption and that in paragraph …

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2.4G-2.48G 频段板载PIFA 天线测试报告 2.4G-2.48G Inverted FAntenna Specification SPECIFICATIONS Frequency (MHz)2400-2480 Peak Gain(dBi) 2.50 Average Gain(dBi)>-4 VSWR<3.2 Impedance (Ω)50Ω Antenna TypePlannar Inverted F Antenna on board PolarizationLinear ManufactureZHUHAI JIELI TECHNOLOGY CO.,LTD Address: No.333 Kexing Road, Nanping Science Park, Xiangzhou District, Zhuhai Test equipmentHWA-TECH Antenna Photo & Length( mm) 天线无源S参数： Antenna passive S- parameters: 驻波比(VSWR) 、回波损耗( ReturnLoss) 及史密斯圆图( Smith) 天线效率及增益： Antenna efficiency and gain: Frequency (MHz)Gain (dBi)Effciency (%)AverageGain(dBi)Efficiency(dB) 24001.43359.329%-2.717-2.267 24100.92751.861%-3.416-2.852 24200.82952.112%-3.166-2.831 24300.88149.299%-3.258-3.072 24401.19250.672%-3.144-2.952 24501.68853.067%-2.735-2.752 24602.19459.423%-2.276-2.260 24702.11856.680%-2.438-2.466 2480 2 .500 61.727%-2.112-2.095 Average1.52954.908%-2.806-2.616 Peak 2 .500 61.727%-2.112-2.095 天线2440MHz 2D- Theta Pattern 天线2440MHz2D- Phi Pattern

The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Shenzhen STS Test Services Co., Ltd. Radio Test Report Report No.:STS2409067W01 Issued for MAX SALES GROUP 15240 E. Nelson Ave Industry CA 91744 USA Product Name: ELECTRONIC BOOMBOX Brand Name: N/A Model Name: NV-09204 Series Model(s): N/A FCC ID: 2BFM5-NV-09204 Test Standards: FCC Part15.247 Page 2 of 95 Report No.: STS2409067W01 TEST REPORT Applicant’s Name ................. : MAX SALES GROUP Address .................................. : 15240 E. Nelson Ave Industry CA 91744 USA Manufacturer's Name ........... : MAX SALES GROUP Address .................................. : 15240 E. Nelson Ave Industry CA 91744 USA Product Description Product Name ........................ : ELECTRONIC BOOMBOX Brand Name ........................... : N/A Model Name ........................... : NV-09204 Series Model(s) .................... : N/A Test Standards...................... : FCC Part15.247 Test Procedure ....................... : ANSI C63.10-2020 This device described above has been tested by STS, the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Shenzhen STS Test Services Co., Ltd. Date of Test ............................... : Date of receipt of test item ......... : 10 Sept. 2024 Date (s) of performance of tests : 10 Sept. 2024~ 23 Sept. 2024 Date of Issue ............................. : 23 Sept. 2024 Test Result ................................. : Pass Testing Engineer : (Aaron Bu) Technical Manager : (Tony Liu) Authorized Signatory : (Bovey Yang) Page 3 of 95 Report No.: STS2409067W01 Table of Contents Page 1. SUMMARY OF TEST RESULTS 6 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2. GENERAL INFORMATION 8 2.1 GENERAL DESCRIPTION OF THE EUT 8 2.2 DESCRIPTION OF THE TEST MODES 10 2.3 FREQUENCY HOPPING SYSTEM REQUIREMENTS 10 2.4 TABLE OF PARAMETERS OF TEST SOFTWARE SETTING 12 2.5 BLOCK DIAGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 12 2.6 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 13 2.7 EQUIPMENTS LIST 14 3. EMC EMISSION TEST 15 3.1 CONDUCTED EMISSION MEASUREMENT 15 3.2 RADIATED EMISSION MEASUREMENT 19 4. CONDUCTED SPURIOUS & BAND EDGE EMISSION 31 4.1 LIMIT 31 4.2 TEST PROCEDURE 31 4.3 TEST SETUP 32 4.4 EUT OPERATION CONDITIONS 32 4.5 TEST RESULTS 32 5. NUMBER OF HOPPING CHANNEL 33 5.1 LIMIT 33 5.2 TEST PROCEDURE 33 5.3 TEST SETUP 33 5.4 EUT OPERATION CONDITIONS 33 5.5 TEST RESULTS 33 6. AVERAGE TIME OF OCCUPANCY 34 6.1 LIMIT 34 6.2 TEST PROCEDURE 34 6.3 TEST SETUP 34 6.4 EUT OPERATION CONDITIONS 34 6.5 TEST RESULTS 34 7. HOPPING CHANNEL SEPARATION MEASUREMEN 35 Page 4 of 95 Report No.: STS2409067W01 Table of Contents Page 7.1 LIMIT 35 7.2 TEST PROCEDURE 35 7.3 TEST SETUP 35 7.4 EUT OPERATION CONDITIONS 35 7.5 TEST RESULTS 35 8. BANDWIDTH TEST 36 8.1 LIMIT 36 8.2 TEST PROCEDURE 36 8.3 TEST SETUP 36 8.4 EUT OPERATION CONDITIONS 36 8.5 TEST RESULTS 36 9. OUTPUT POWER TEST 37 9.1 LIMIT 37 9.2 TEST PROCEDURE 37 9.3 TEST SETUP 38 9.4 EUT OPERATION CONDITIONS 38 9.5 TEST RESULTS 38 10. ANTENNA REQUIREMENT 39 10.1 STANDARD REQUIREMENT 39 10.2 EUT ANTENNA 39 APPENDIX 1-TEST DATA 40 1. DWELL TIME 40 2. MAXIMUM PEAK CONDUCTED OUTPUT POWER 50 3. -20DB BANDWIDTH 56 4. CARRIER FREQUENCIES SEPARATION 62 5. NUMBER OF HOPPING CHANNEL 68 6. BAND EDGE 71 7. BAND EDGE(HOPPING) 78 8. CONDUCTED RF SPURIOUS EMISSION 85 APPENDIX 2-PHOTOS OF TEST SETUP 95 Page 5 of 95 Report No.: STS2409067W01 Revision History Rev. Issue Date Report No. Effect Page Contents 00 23 Sept. 2024 STS2409067W01 ALL Initial Issue Page 6 of 95 Report No.: STS2409067W01 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: KDB 558074 D01 15.247 Meas Guidance v05r02. FCC Part 15.247,Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS -- 15.247(a)(1) Hopping Channel Separation PASS -- 15.247(a)(1)&(b)(1) Output Power PASS -- 15.209 Radiated Spurious Emission PASS -- 15.247(d) Conducted Spurious & Band Edge Emission PASS -- 15.247(a)(1)(iii) Number of Hopping Frequency PASS -- 15.247(a)(1)(iii) Dwell Time PASS -- 15.247(a)(1) Bandwidth PASS -- 15.205 Restricted bands of operation PASS -- Part 15.247(d)/part 15.209(a) Band Edge Emission PASS -- 15.203 Antenna Requirement PASS -- NOTE: (1) ‘N/A’ denotes test is not applicable in this Test Report. (2) All tests are according to ANSI C63.10-2020. Page 7 of 95 Report No.: STS2409067W01 1.1 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : 101, Building B, Zhuoke Science Park, No.190 Chongqing Road, ZhanChengShequ, Fuhai Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Certificate No.: 4338.01 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ±U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 RF output power, conducted ±0.755dB 2 Unwanted Emissions, conducted ±2.874dB 3 All emissions, radiated 9K-30MHz ±3.80dB 4 All emissions, radiated 30M-1GHz ±4.18dB 5 All emissions, radiated 1G-6GHz ±4.90dB 6 All emissions, radiated>6G ±5.24dB 7 Conducted Emission (9KHz-150KHz) ±2.19dB 8 Conducted Emission (150KHz-30MHz) ±2.53dB 9 Occupied Channel Bandwidth ±3.5% 10 Dwell time ±3.2% Page 8 of 95 Report No.: STS2409067W01 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF THE EUT Product Name ELECTRONIC BOOMBOX Brand Name N/A Model Name NV-09204 Series Model(s) N/A Model Difference N/A Channel List Please refer to the Note 3. Bluetooth Freque…

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Page 1 of 2 FCC ID: 2BFM5-NV-09204 Setup photo Model Number: NV-09204 conduction RE (Below 1GHz) Page 2 of 2 FCC ID: 2BFM5-NV-09204 RE (Above 1GHz)