2BGSD-202wireless speaker

Page 1 of 4 FCC ID: 2BGSD-202 External photos Page 2 of 4 FCC ID: 2BGSD-202 Page 3 of 4 FCC ID: 2BGSD-202 Page 4 of 4 FCC ID: 2BGSD-202

Label FCC ID: 2BGSD-202 L:38.5mm; H:11.8mm

Page 1 of 2 FCC ID: 2BGSD-202 Internal photos Page 2 of 2 FCC ID: 2BGSD-202 BT ANT

Page 1 of 8 Report No.: AiTSZ-250925020FW2 Note: This device has been tested and found to comply with the standard(s) listed, this 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. This report shall not be reproduced except in full, without the written approval of Guangdong Asia Hongke Test Technology Limited. If there is a need to alter or revise this document, the right belongs to Guangdong Asia Hongke Test Technology Limited, and it should give a prior written notice of the revision document. This test report must not be used by the client to claim product endorsement. 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. RF Exposure evaluation Product Name : wireless speaker Brand Name : N/A Model : HYS-202D Series Model : HYS-202 FCC ID : 2BGSD-202 Applicant : Dongguan Letu Electronic Technology Co.Ltd. Address : NO.4 building,1st Road Xiakeng industry, Changping, Dongguan, China Manufacturer : Dongguan Letu Electronic Technology Co.Ltd. Address : NO.4 building,1st Road Xiakeng industry, Changping, Dongguan, China Standard(s) : 47CFR §1.1310, 47CFR §2.1091 KDB447498 D01 General RF Exposure Guidance v06 Date of Receipt : Sep. 25, 2025 Date of Test : Sep. 25, 2025~ Oct. 11, 2025 Issued Date : Oct. 11, 2025 Issued 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 Reviewed by: Approved by: Aalen.Ye Allen Wang Page 2 of 8 Report No.: AiTSZ-250925020FW2 Report Revise Record Report Version Issued Date Notes M1 Oct. 11, 2025 Initial Release Page 3 of 8 Report No.: AiTSZ-250925020FW2 Contents 1 GENERAL INFORMATION .......................................................................................................................................... 4 1.1 ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 4 1.2 GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 4 1.3 TEST FACILITY .............................................................................................................................................................. 5 1.4 MEASUREMENT UNCERTAINTY ........................................................................................................................................ 5 2 METHOD OF MEASUREMENT ................................................................................................................................... 6 2.1 APPLICABLE STANDARD.................................................................................................................................................. 6 2.2 LIMIT ......................................................................................................................................................................... 6 2.3 MPE CALCULATION METHOD ......................................................................................................................................... 7 2.4 ANTENNA INFORMATION ............................................................................................................................................... 7 2.5 MANUFACTURING TOLERANCE ........................................................................................................................................ 7 2.6 STANDALONE MPE RESULT ............................................................................................................................................ 8 2.7 CONCLUSION ............................................................................................................................................................... 8 Page 4 of 8 Report No.: AiTSZ-250925020FW2 1 GENERAL INFORMATION 1.1 Environmental conditions During the measurement the environmental conditions were within the listed ranges: Normal Temperature: 25°C Relative Humidity: 55 % Air Pressure: 101 kPa 1.2 General Description of EUT Product Name: wireless speaker Model/Type reference: HYS-202D Serial Model: HYS-202 Model difference: All models are the same except for the model name and color Power Supply: Input: DC 5V/1A DC 3.7V 1800mAh 6.6Wh from battery Hardware Version: N/A Software Version: N/A Sample(s) Status: AiTSZ-250925020-1(Normal sample) AiTSZ-250925020-2(Engineer sample) Bluetooth : Supported type: Bluetooth BR/EDR Modulation: GFSK, π/4DQPSK, 8DPSK Operation frequency: 2402MHz~2480MHz Channel number: 79 Channel separation: 1MHz Antenna type: PCB antenna Antenna gain: 1.68dBi Remark: The above DUT's information was declared by manufacturer. For more detailed features description, please refer to the manufacturer’s specifications or the User's Manual. Page 5 of 8 Report No.: AiTSZ-250925020FW2 1.3 Test Facility Test Laboratory: 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 The test facility is recognized, certified or accredited by the following organizations: FCC-Registration No.: 251906 Designation Number: CN1376 Guangdong Asia Hongke Test Technology Limited has been registered and fully described in a report filed with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. IC —Registration No.: 31737 CAB identifier: CN0165 The 3m Semi-anechoic chamber of Guangdong Asia Hongke Test Technology Limited has been registered by Certification and Engineering Bureau of Industry Canad…

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Page 1 of 35 Report No.: AiTSZ-250925020FW1 Note: This device has been tested and found to comply with the standard(s) listed, this 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. This report shall not be reproduced except in full, without the written approval of Guangdong Asia Hongke Test Technology Limited. If there is a need to alter or revise this document, the right belongs to Guangdong Asia Hongke Test Technology Limited, and it should give a prior written notice of the revision document. This test report must not be used by the client to claim product endorsement. 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 Product Name : wireless speaker Brand Name : N/A Model : HYS-202D Series Model : HYS-202 FCC ID : 2BGSD-202 Applicant : Dongguan Letu Electronic Technology Co.Ltd. Address : NO.4 building,1st Road Xiakeng industry, Changping, Dongguan, China Manufacturer : Dongguan Letu Electronic Technology Co.Ltd. Address : NO.4 building,1st Road Xiakeng industry, Changping, Dongguan, China Standard(s) : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of Receipt : Sep. 25, 2025 Date of Test : Sep. 25, 2025~ Oct. 11, 2025 Issued Date : Oct. 11, 2025 Issued 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 Reviewed by: Approved by: Aalen.Ye Allen Wang Page 2 of 35 Report No.: AiTSZ-250925020FW1 Report Revise Record Report Version Issued Date Notes M1 Oct. 11, 2025 Initial Release Page 3 of 35 Report No.: AiTSZ-250925020FW1 Contents 1 TEST SUMMARY ....................................................................................................................................................... 4 1.1 TEST STANDARDS ......................................................................................................................................................... 4 1.2 TEST SUMMARY ........................................................................................................................................................... 4 1.3 TEST FACILITY .............................................................................................................................................................. 5 1.4 MEASUREMENT UNCERTAINTY ........................................................................................................................................ 5 2 GENERAL INFORMATION .......................................................................................................................................... 6 2.1 ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 6 2.2 GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 6 2.3 DESCRIPTION OF TEST MODES AND TEST FREQUENCY .......................................................................................................... 7 2.4 SPECIAL ACCESSORIES ................................................................................................................................................... 8 2.5 EQUIPMENT LIST FOR THE TEST ....................................................................................................................................... 8 3 TEST CONDITIONS AND RESULTS ............................................................................................................................ 10 3.1 CONDUCTED EMISSIONS TEST ....................................................................................................................................... 10 3.2 RADIATED EMISSIONS AND BAND EDGE .......................................................................................................................... 13 3.3 MAXIMUM PEAK OUTPUT POWER................................................................................................................................. 20 3.4 20DB BANDWIDTH ..................................................................................................................................................... 21 3.5 OCCUPIED BANDWIDTH ............................................................................................................................................... 22 3.6 FREQUENCY SEPARATION ............................................................................................................................................. 23 3.7 NUMBER OF HOPPING FREQUENCY ................................................................................................................................. 24 3.8 TIME OF OCCUPANCY (DWELL TIME) .............................................................................................................................. 25 3.9 OUT-OF-BAND EMISSIONS ........................................................................................................................................... 26 3.10 PSEUDORANDOM FREQUENCY HOPPING SEQUENCE .......................................................................................................... 28 3.11 ANTENNA REQUIREMENT ............................................................................................................................................. 29 4 TEST SETUP PHOTOGRAPHS OF EUT ....................................................................................................................... 30 5 PHOTOS OF EUT ...................................................................…

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V . S .W . R < 1.4 Polarization Type V ertical & Horizontal Frequenc Range2400 ~ 2500GHz Input Impendence(ohm)50 E fficiency (dB) 6 0.2 % 6 0.2 % Maximum Power (dBm) 1.6 8(XZ-plane) Gain (dBi)1.6 8 Peak EIRP(dBm)1.2 Tot. Rad. Pwr. (dBm)-1.2 (Input pwr – loss pwr) Produ ct specification Q uick Reference Date Ante nna module on the system board Ant. Port Input Pwr. (dBm)0 (Typ. BT class 2 output power) Directivity (dBi)1 (a ll direction antenna) Minimum Power (dBm ) -3.83(XZ-plane) Avg. Power (dBm)-0.48(XY-plane) All the technical data and information c ontained herein are subject to change without prior notice Antenna Layout & module on the system board Antenna Gain G ain Table Unit in dBi @2.44GHzXY-planeXZ-planeYZ-plane Efficiency Peak Avg. Peak Avg. Peak Avg. Module Board 1.68 1.35 -0.48 -3.83 1.11 -2.99 Design company:shenzhen HuaSai Electric Technology Co.Ltd. Address:Room 201, Building A, No. 1 Qianwan 1st Road, Qianhai Shenzhen-Hong Kong Cooperation Zone, Shenzhen City spce:ANT_XZR01 Return Loss The Environment of Antenna Radiation Pattern 3D radiation pattern diagram XY-planeXZ-planeYZ-plane

Page 1 of 16 Report No.: AiTSZ-250925020FW1 Appendix RF test data for BT Conducted Output Power Test Result Modulation Packet Type Channel Peak Output Power (dBm) Peak Output Power (mW) Limit (dBm) Result GFSK DH5 0 4.37 2.74 ≤20.97 PASS 39 4.05 2.54 PASS 78 4.40 2.75 PASS π/4DQPSK 2-DH5 0 5.32 3.40 PASS 39 5.10 3.24 PASS 78 2.64 1.84 PASS 8DPSK 3-DH5 0 5.48 3.53 PASS 39 5.26 3.36 PASS 78 2.89 1.95 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 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 20dB Bandwidth Test Result Modulation Channel Center Frequency (MHz) 20 dB Bandwidth (MHz) GFSK 0 2402 MHz 0.9700 39 2441 MHz 0.9800 78 2480 MHz 0.9700 π/4DQPSK 0 2402 MHz 1.290 39 2441 MHz 1.290 78 2480 MHz 1.280 8DPSK 0 2402 MHz 1.300 39 2441 MHz 1.300 78 2480 MHz 1.300 Test Graphs GFSK_DH5_Channel 0 GFSK_DH5_Channel 39 GFSK_DH5_Channel 78 π/4DQPSK_2-DH5_Channel 0 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 Carrier Frequencies Separation Test Result Modulation Packet Left Center frequency (MHz) Right Center frequency (MHz) Hopping Frequency Separation (MHz) Limit (MHz) Result GFSK DH5 2439.8278 2440.8275 0.9997 0.653 PASS π/4DQPSK 2-DH5 2439.9958 2441.1526 1.1567 0.860 PASS 8DPSK 3-DH5 2439.9965 2441.2542 1.2577 0.867 PASS Test Graphs GFSK π/4DQPSK 8DPSK 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 -59.140 -15.82 -43.320 PASS 24998.1 -49.085 -15.82 -33.265 PASS 39 1921.48 -46.244 -16.2 -30.044 PASS 78 2483.50 -61.440 -15.79 -45.650 PASS 24333.3 -49.523 -15.79 -33.733 PASS π/4DQPSK 2-DH5 0 830.91 -28.676 -16.55 -12.126 PASS 2400.00 -51.410 -16.55 -34.860 PASS 39 24323.3 -49.385 -16.95 -32.435 PASS 78 2483.50 -61.070 -19.6 -41.470 PASS 24990.0 -48.815 -19.6 -29.215 PASS 8DPSK 3-DH5 0 2400.00 -51.450 -16.55 -34.900 PASS 24993.8 -49.473 -16.55 -32.923 PASS 39 24801.5 -49.301 -16.95 -32.351 PASS 78 1764.17 -48.182 -19.35 -28.832 PASS 2483.50 -57.800 -19.35 -38.450 PASS Hopping Modulation Packet Channel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) Over Limit (dB) Result GFSK DH5 Hopping 2395.90 -42.038 -14.86 -27.178 PASS 2400.00 -42.360 -14.86 -27.500 PASS 2483.50 -60.300 -15.06 -45.240 PASS π/4DQPSK 2-DH5 2400.00 -53.290 -15.65 -37.640 PASS 2483.50 -60.470 -16.04 -44.430 PASS 8DPSK 3-DH5 2400.00 -51.370 -15.92 -35.450 PASS 2483.50 -36.560 -15.5 -21.060 PASS Test Graphs Out Of Band Emission GFSK_DH5_Channel 0 Out Of Band Emission π/4DQPSK_2-DH5_Channel 0 30.0 MHz - 25000.0 MHz GFSK_DH5_Channel 0 30.0 MHz - 25000.0 MHz π/4DQPSK_2-DH5_Channel 0 Out Of Band Emission GFSK_DH5_Channel 39 Out Of Band Emission π/4DQPSK_2-DH5_Channel 39 30.0 MHz - 25000.0 MHz GFSK_DH5_Channel 39 30.0 MHz - 25000.0 MHz π/4DQPSK_2-DH5_Channel 39 Out Of Band Emission GFSK_DH5_Channel 78 Out Of Band Emission π/4DQPSK_2-DH5_Channel 78 30.0 MHz - 25000.0 MHz GFSK_DH5_Channel 78 30.0 MHz - 25000.0 MHz π/4DQPSK_2-DH5_Channel 78 Out Of Band Emission 8DPSK_3-DH5_Channel 0 30.0 MHz - 25000.0 MHz 8DPSK_3-DH5_Channel 0 Out Of Band Emission 8DPSK_3-DH5_Channel 39 30.0 MHz - 25000.0 MHz 8DPSK_3-DH5_Channel 39 Out Of Band Emission 8DPSK_3-DH5_Channel 78 30.0 MHz - 25000.0 MHz 8DPSK_3-DH5_Channel 78 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 Duty Cycle Test Result Modulation Packets Channel On Time (ms) Period (ms) Duty Cycle (%) Duty Cycle (linear) Duty Cycle Factor (dB) 1/T GFSK DH5 0 2.910 3.748 77.64 0.7764 1.0991 0.3436 39 2.908 3.748 77.59 0.7759 1.1019 0.3439 78 2.908 3.748 77.59 0.7759 1.1019 0.3439 π/4DQPSK 2-DH5 0 2.898 3.748 77.32 0.7732 1.1171 0.3451 39 2.898 3.748 77.32 0.7732 1.1171 0.3451 78 2.898 3.748 77.32 0.7732 1.1171 0.3451 8DPSK 3-DH5 0 2.896 3.748 77.27 0.7727 1.1199 0.3453 39 2.896 3.748 77.27 0.7727 1.1199 0.3453 78 2.898 3.748 77.32 0.7732 1.1171 0.3451 Test Graphs GFSK(DH5)_Channel 0 GFSK(DH5)_Channel 39 GFSK(DH5)_Channel 78 π/4DQPSK(2-DH5)_Channel 0 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 Dwell Time Test Result Modulation Packet Channel Pulse Width (ms) Number of Pulses in 31.6 seconds Dwell Time (ms) Limit (ms) Result GFSK DH1 Hopping 0.4056 318 128.98 < 400 PASS DH3 1.680 157 263.76 PASS DH5 2.912 106 308.67 PASS π/4DQPSK 2-DH1 0.3972 310 123.13 PASS 2-DH3 1.656 166 274.9 PASS 2-DH5 2.896 102 295.39 PASS 8DPSK 3-DH1 0.3948 316 124.76 PASS 3-DH3 1.656 161 266.62 PASS 3-DH5 2.896 96 278.02 PASS Test Graphs Pulse Width GFSK_DH1 Number of Pulses in 31.6 seconds GFSK_DH1 Pulse Width GFSK_DH3 Number of Pulses in 31.6 seconds GFSK_DH3 Pulse Width GFSK_DH5 Number of Pulses in 31.6 seconds GFSK_DH5 Pulse Width π/4DQPSK_2-DH1 Number of Pulses in 31.6 seconds π/4DQPSK_2-DH1 Pulse Width π/4DQPSK_2-DH3 Number of Pulses in 31.6 seconds π/4DQPSK_2-DH3 Pulse Width π/4DQPSK_2-DH5 Number of Pulses in 31.6 seconds π/4DQPSK_2-DH5 Pulse Width 8DPSK_3-DH1 Number of Pulses in 31.6 seconds 8DPSK_3-DH1 Pulse Width 8DPSK_3-DH3 Number of Pulses in 31.6 seconds 8DPSK_3-DH3 Pulse Width 8DPSK_3-DH5 Number of Pulses in 31.6 seconds 8DPSK_3-DH5 Number Of Hopping Channel Test Result Modulation Packet Number of Hopping Channel Limit Result GFSK DH5 79 15 PASS π/4DQPSK 2-DH5 79 15 PASS 8DPSK 3-DH5 79 15 PASS Test Graphs Low End Spectrum Channel Hopping Plot GFSK High End Spectrum Channel Hopping Plot GFSK Low …

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Page 1 of 2 FCC ID: 2BGSD-202 Page 2 of 2 FCC ID: 2BGSD-202