2BFBR-HS-G50Bluetooth sound

J-RGB49 J-RGB49. SoundBar J-RGB49 1. Product name: Wireless Speaker 2. Function : BT/TF/USB/AUX-In/FM/RGB 3. Bluetooth version :5.0 4. Rated Power : 5W*2 5. Playing time: 3~4 hours 6. Transmission Distance : 10M 7. Horn size :52mm*2 8. Impedance: 4 ohm 9. Battery capacity :1200mAh 10. Charging time: about 2 hours 11. Charging voltage: 0.5A DC5V/USB POWER 12. Frequency response: 160hz-18khz 13. Material : ABS+Iron net 14. Product size :372(L) * 70(W) * 55(H)mm 15. Weight: 556g 16. Packing list M key to control light: Long press to switch the brightness of the light, there are three brightness, click one brightness. Short click to switch function Press twice to access the TWS function Volume “+”/ Next songVolume “-”/ Last song Click pause or play. Press 2 to make a call and press to hang up.When bluetooth is connected, hold down for 2s to disconnect. In FM mode, hold down for 2s to automatically search for channels, pause or play. USB Play TF Play 3.5mm AUX Input DC 5V Power OFF/ON OFF/ON 1 3 5 2 4 SoundBar Speaker J-RGB49 TF/USB DC/5V AUX OFF/ON RGB49. 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. *RF warning for Mobile device: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

- Yueyang fanwen commerce and trade Co.,ltd - Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 3/11/2024 U.S. Agent Designation Yueyang fanwen commerce and trade Co.,ltd acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID:2BFBR-HS-G50): Name and company of U.S. agent: REP America LLC Physical U.S. address of agent: Ben XU, 6510 S Academy Blvd, Ste A #523, Colorado Springs, CO 80906 FRN of U.S. agent: 0034192500 Email address of U.S. agent: [email protected] REP America LLC acknowledges their obligation to accept service of process on behalf of Yueyang fanwen commerce and trade Co.,ltd. Yueyang fanwen commerce and trade Co.,ltd with the FRN 0035090810 accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Sincerely, Signature FanJiang Jiang general manager Yueyang fanwen commerce and trade Co.,ltd Signature Ben XU Manager REP America LLC 48_[mo del] US_Agent_2.911(d)(7) - U, V05

Page 1 of 3 FCC ID: 2BFBR-HS-G50 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. EUT Constructional Details External EUT Photo Photo 1 Photo 2 Page 2 of 3 FCC ID: 2BFBR-HS-G50 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 3 Photo 4 Page 3 of 3 FCC ID: 2BFBR-HS-G50 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 5 Photo 6 ---The End---

Label Size: 20mm * 20mm The label is silk-screen on the sample Bluetooth sound Model Name: HS-G50 FCC ID: 2BFBR-HS-G50

Page 1 of 5 FCC ID: 2BFBR-HS-G50 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. EUT Constructional Details Internal EUT Photo Photo 1 Photo 2 Antenna Page 2 of 5 FCC ID: 2BFBR-HS-G50 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 3 Photo 4 Page 3 of 5 FCC ID: 2BFBR-HS-G50 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 5 Photo 6 Page 4 of 5 FCC ID: 2BFBR-HS-G50 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 7 Photo 8 Page 5 of 5 FCC ID: 2BFBR-HS-G50 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 9 ------End------

RF Exposure evaluation FCC ID: 2BFBR-HS-G50 Exposure category: General population/uncontrolled environment EUT Type: Production Unit Device Type: Mobile Devices 1. Reference According to §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. According to §1.1310 and §2.1091 RF exposure is calculated. KDB447498 D01: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies 2. Limit Limits for Maximum Permissible Exposure (MPE)/Controlled Exposure Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density (mW/cm²) Averaging Time (minute) Limits for Occupational/Controlled Exposure 0.3 – 3.0 3.0 – 30 30 – 300 300 – 1500 1500 – 100,000 614 1842/f 61.4 / / 1.63 4.89/f 0.163 / / (100) * (900/f 2 )* 1.0 f/300 5 6 6 6 6 6 Limits for Maximum Permissible Exposure (MPE)/Uncontrolled Exposure Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density (mW/cm²) Averaging Time (minute) Limits for Occupational/Controlled Exposure 0.3 – 3.0 3.0 – 30 30 – 300 300 – 1500 1500 – 100,000 614 824/f 27.5 / / 1.63 2.19/f 0.073 / / (100) * (180/f 2 )* 0.2 f/1500 1.0 30 30 30 30 30 F=frequency in MHz *=Plane-wave equivalent power density 3. MPE Calculation Method Predication of MPE limit at a given distance Equation from page 18 of OET Bulletin 65, Edition 97-01 S=PG/4πR² 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 4. Antenna Information EUT can only use antennas certificated as follows provided by manufacturer; Antenna Model No. of antenna: Type of antenna: Gain of the antenna (Max.) Frequency range: BT / PCB antenna Antenna :-0.68dBi For 2.4G 5. Manufacturing Tolerance BR_EDR (Conducted) Frequency (MHz) BR_EDR_GFSK 2402 2441 2480 Target (dBm) 3 4 4 Tolerance ± (dB) 1.0 1.0 1.0 Frequency (MHz) BR_EDR_π/4-DQPSK 2402 2441 2480 Target (dBm) 5 6 7 Tolerance ± (dB) 1.0 1.0 1.0 Frequency (MHz) BR_EDR_8-DPSK 2402 2441 2480 Target (dBm) 6 7 7 Tolerance ± (dB) 1.0 1.0 1.0 6. Standalone MPE Result As declared by the Applicant, the EUT is a wireless device used in a fix application, at least 20 cm from any body part of the user or nearby persons; from the maximum EUT RF output power, the minimum separation distance, r =20cm, as well as the gain of the used antenna is refer to section 4, the RF power density can be obtained. ANT 1 Modulation Type Output power Antenna Gain (dBi) Antenna Gain (linear) MPE (mW/cm 2 ) MPE Limits (mW/cm 2 ) dBm mW BR_EDR 8 6.31 -0.68 0.855 0.00107 1.0000 Remark: 1. Output power (Peak) including turn-up tolerance; 2. MPE evaluate distance is 20cm from user manual provide by manufacturer. 7. Conclusion The measurement results comply with the FCC Limit per 47 CFR 2.1091 for the uncontrolled RF Exposure of mobile device. ----------------THE END OF REPORT---------------

Page 1 of 40 Report No.: AITSZ24012901FW1 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. TEST REPORT Client Information: Applicant: Yueyang fanwen commerce and trade Co.,ltd Applicant add.: Yueyang city Yueyang luo district sanyanqiao street lijiachong road 19 dong 401 Manufacturer: Yueyang fanwen commerce and trade Co.,ltd Manufacturer add.: Yueyang city Yueyang luo district sanyanqiao street lijiachong road 19 dong 401 Product Information: Product Name: Bluetooth sound Model No.: HS-G50 Brand Name: HailstormDragon Test samples.: AITSZ24012901001 FCC ID: 2BFBR-HS-G50 Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Prepared By: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Tel.: +86 0755-230967639 Fax.: +86 0755-230967639 Date of Receipt: Jan. 30, 2024 Date of Test: Jan. 30, 2024 ~ Mar. 11, 2024 Date of Issue: Mar. 11, 2024 Test Result: Pass This device described above has been tested by Guangdong Asia Hongke Test Technology Limited and 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. Note: This report shall not be reproduced except in full, without the written approval of Guangdong Asia Hongke Test Technology Limited, this document may be altered or revised by Guangdong Asia Hongke Test Technology Limited, personal only, and shall be noted in the revision of the document. This test report must not be used by the client to claim product endorsement. Reviewed by: Approved by: Sean She Eder Zhan Page 2 of 40 Report No.: AITSZ24012901FW1 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. 1 Contents Page COVER PAGE 1 CONTENTS ............................................................................................................................................................ 2 2 TEST SUMMARY ................................................................................................................................................... 4 2.1 Statement of the Measurement Uncertainty .........................................................................................4 2.2 Measurement Uncertainty ....................................................................................................................4 3 TEST FACILITY ..................................................................................................................................................... 5 3.1 Deviation from standard .......................................................................................................................5 3.2 Abnormalities from standard conditions ...............................................................................................5 3.3 Test Location ........................................................................................................................................5 4 GENERAL INFORMATION ................................................................................................................................... 6 4.1 Test frequencies ...................................................................................................................................7 4.2 EUT Peripheral List ..............................................................................................................................8 4.3 Test Peripheral List ...............................................................................................................................8 4.4 TEST METHODOLOGY .......................................................................................................................9 4.5 Description of Test Modes ................................................................................................................. 10 5 EQUIPMENT USED DURING TEST ...................................................................................................................11 6 TEST RESULTS AND MEASUREMENT DATA ................................................................................................12 6.1 Antenna requirement ......................................................................................................................... 12 6.2 Peak Power Measurement ................................................................................................................ 13 6.3 Frequency Separation and 20 dB Bandwidth.................................................................................... 15 6.4 Number of Hopping Frequency ......................................................................................................... 17 6.5 Time of Occupancy (Dwell Time) ...................................................................................................... 18 6.6 Conducted Spurious Emissions and Band Edges Test ..................................................................... 20 6.7 Radiated Emissions and Radiation Restricted band Measurement ................................................. 22 6.8 Conducted Emissions ........................................................................................................................ 36 6.9 Pseudorandom frequency hopping sequence .................................................................................. 39 7 TEST SETUP PHOTOGRAPHS OF EUT ...........................................................................................................40 8 EXTERNAL PHOTOGRAPHS OF EUT ............................................................................................…

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Guangdong Asia Hongke Test Technology Limited Report No.: AITSZ24012901FW1 FCC ID: 2BFBR-HS-G50 Conducted Peak Output Power Test Result Modulation Packet Type Channel Peak Output Power (dBm) Peak Output Power (mW) Max. Avg. Power (dBm) Limit (dBm) Result GFSK DH5 0 3.580 2.280 None 30 PASS 39 4.421 2.768 None PASS 78 4.769 2.998 None PASS π/4DQPSK 2-DH5 0 5.771 3.777 None 20.97 PASS 39 6.710 4.688 None PASS 78 7.036 5.054 None PASS 8DPSK 3-DH5 0 6.360 4.325 None PASS 39 7.281 5.347 None PASS 78 7.651 5.822 None PASS Test Graphs Peak Output Power GFSK_Channel 0 Peak Output Power GFSK_Channel 39 Peak Output Power GFSK_Channel 78 Peak Output Power π/4DQPSK_Channel 0 Guangdong Asia Hongke Test Technology Limited Report No.: AITSZ24012901FW1 FCC ID: 2BFBR-HS-G50 Peak Output Power π/4DQPSK_Channel 39 Peak Output Power π/4DQPSK_Channel 78 Peak Output Power 8DPSK_Channel 0 Peak Output Power 8DPSK_Channel 39 Peak Output Power 8DPSK_Channel 78 Guangdong Asia Hongke Test Technology Limited Report No.: AITSZ24012901FW1 FCC ID: 2BFBR-HS-G50 20dB Bandwidth Test Result Modulation Channel Center Frequency (MHz) 20 dB Bandwidth (MHz) GFSK 0 2402 MHz 0.9456 39 2441 MHz 0.9276 78 2480 MHz 0.9410 π/4DQPSK 0 2402 MHz 1.283 39 2441 MHz 1.282 78 2480 MHz 1.282 8DPSK 0 2402 MHz 1.296 39 2441 MHz 1.295 78 2480 MHz 1.290 Test Graphs GFSK_DH5_Channel 0 GFSK_DH5_Channel 39 GFSK_DH5_Channel 78 π/4DQPSK_2-DH5_Channel 0 Guangdong Asia Hongke Test Technology Limited Report No.: AITSZ24012901FW1 FCC ID: 2BFBR-HS-G50 π/4DQPSK_2-DH5_Channel 39 π/4DQPSK_2-DH5_Channel 78 8DPSK_3-DH5_Channel 0 8DPSK_3-DH5_Channel 39 8DPSK_3-DH5_Channel 78 Guangdong Asia Hongke Test Technology Limited Report No.: AITSZ24012901FW1 FCC ID: 2BFBR-HS-G50 Carrier Frequencies Separation Test Result Modulation Packet Left Center frequency (MHz) Right Center frequency (MHz) Hopping Frequency Separation (MHz) Limit (MHz) Result GFSK DH5 2439.8662 2440.8596 0.9934 0.627 PASS π/4DQPSK 2-DH5 2440.0147 2441.0255 1.0108 0.855 PASS 8DPSK 3-DH5 2440.0309 2441.0207 0.9898 0.86 PASS Test Graphs GFSK π/4DQPSK 8DPSK Guangdong Asia Hongke Test Technology Limited Report No.: AITSZ24012901FW1 FCC ID: 2BFBR-HS-G50 Conducted Out Of Band Emission Test Result Non-Hopping Modulation Packet Channel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) Over Limit (dB) Result GFSK DH5 0 2400.00 -54.232 -16.79 -37.442 PASS 2398.78 -46.929 -16.79 -30.139 PASS 4804.40 -28.218 -16.79 -11.428 PASS 39 4882.42 -25.988 -15.96 -10.028 PASS 78 2483.50 -55.322 -15.54 -39.782 PASS 4960.45 -25.601 -15.54 -10.061 PASS π/4DQPSK 2-DH5 0 2400.00 -51.900 -16.88 -35.020 PASS 2398.76 -47.116 -16.88 -30.236 PASS 4803.80 -28.822 -16.88 -11.942 PASS 39 4881.79 -29.724 -16.05 -13.674 PASS 78 2483.50 -55.175 -15.63 -39.545 PASS 4960.45 -28.837 -15.63 -13.207 PASS 8DPSK 3-DH5 0 2400.00 -48.216 -16.68 -31.536 PASS 2398.75 -47.551 -16.68 -30.871 PASS 4804.40 -30.578 -16.68 -13.898 PASS 39 4881.79 -30.157 -15.76 -14.397 PASS 78 2483.50 -55.318 -15.38 -39.938 PASS 4960.45 -27.824 -15.38 -12.444 PASS Hopping Modulation Packet Channel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) Over Limit (dB) Result GFSK DH5 Hopping 2398.74 -48.524 -16.86 -31.664 PASS 2400.00 -53.517 -16.86 -36.657 PASS 2483.50 -56.523 -15.65 -40.873 PASS π/4DQPSK 2-DH5 2398.81 -47.428 -16.91 -30.518 PASS 2400.00 -53.320 -16.91 -36.410 PASS 2483.50 -57.037 -15.59 -41.447 PASS 8DPSK 3-DH5 2398.80 -47.264 -16.66 -30.604 PASS 2400.00 -48.829 -16.66 -32.169 PASS 2483.50 -56.920 -15.49 -41.430 PASS Test Graphs Guangdong Asia Hongke Test Technology Limited Report No.: AITSZ24012901FW1 FCC ID: 2BFBR-HS-G50 Out Of Band Emission GFSK_DH5_Channel 0 Out Of Band Emission π/4DQPSK_2-DH5_Channel 0 Spurious Emission GFSK_DH5_Channel 0 Spurious Emission π/4DQPSK_2-DH5_Channel 0 Out Of Band Emission GFSK_DH5_Channel 39 Out Of Band Emission π/4DQPSK_2-DH5_Channel 39 Guangdong Asia Hongke Test Technology Limited Report No.: AITSZ24012901FW1 FCC ID: 2BFBR-HS-G50 Spurious Emissions GFSK_DH5_Channel 39 Spurious Emissions π/4DQPSK_2-DH5_Channel 39 Out Of Band Emission GFSK_DH5_Channel 78 Out Of Band Emission π/4DQPSK_2-DH5_Channel 78 Spurious Emission GFSK_DH5_Channel 78 Spurious Emission π/4DQPSK_2-DH5_Channel 78 Guangdong Asia Hongke Test Technology Limited Report No.: AITSZ24012901FW1 FCC ID: 2BFBR-HS-G50 Out Of Band Emission 8DPSK_3-DH5_Channel 0 Spurious Emission 8DPSK_3-DH5_Channel 0 Out Of Band Emission 8DPSK_3-DH5_Channel 39 Spurious Emissions 8DPSK_3-DH5_Channel 39 Out Of Band Emission 8DPSK_3-DH5_Channel 78 Spurious Emission 8DPSK_3-DH5_Channel 78 Guangdong Asia Hongke Test Technology Limited Report No.: AITSZ24012901FW1 FCC ID: 2BFBR-HS-G50 Out Of Band Emission(Left) GFSK_DH5_Channel Hopping Out Of Band Emission(Left) π/4DQPSK_2-DH5_Channel Hopping Out Of Band Emission(Right) GFSK_DH5_Channel Hopping Out Of Band Emission(Right) π/4DQPSK_2-DH5_Channel Hopping Out Of Band Emission(Left) 8DPSK_3-DH5_Channel Hopping Out Of Band Emission(Right) 8DPSK_3-DH5_Channel Hopping Guangdong Asia Hongke Test Technology Limited Report No.: AITSZ24012901FW1 FCC ID: 2BFBR-HS-G50 Duty Cycle Test Result Modulation Packets Channel On Time (ms) Period (ms) Duty Cycle (%) Duty Cycle (linear) Duty Cycle Factor (dB) GFSK DH5 0 2.908 3.748 77.59 0.7759 1.1019 39 2.908 3.748 77.59 0.7759 1.1019 78 2.908 3.748 77.59 0.7759 1.1019 π/4DQPSK 2-DH5 0 2.912 3.748 77.69 0.7769 1.0963 39 2.914 3.748 77.75 0.7775 1.093 78 2.914 3.748 77.75 0.7775 1.093 8DPSK 3-DH5 0 2.916 3.748 77.80 0.7780 1.0902 39 2.918 3.748 77.85 0.7785 1.0874 78 2.916 3.748 77.80 0.7780 1.0902 Test Graphs GFSK(DH5)_Channel 0 Guangdong Asia Hongke Test Technology Limited Report No.: AITSZ24012901FW1 FCC ID: 2BFBR-HS-G50 GFSK(DH5)_Channel 39 GFSK(DH5)_Channel 78 Guangdong Asia Hongke Test Technology Limited Report No.: AITSZ24012901FW1 FCC ID: 2BFBR-HS-G50 π/4DQPSK(2-DH5)_Channel 0 π/4DQPSK(2-DH5)_Channel 39 Guangdong Asia Hongke Test Technology Limited Report No.: AITSZ24012901F…

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Page 1 of 2 FCC ID: 2BFBR-HS-G50 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Test Setup Photo DSS Radiated Emission Page 2 of 2 FCC ID: 2BFBR-HS-G50 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Conducted Emission ------End------