2BLBG-BH-55Hearing Aids

- Fangchenggangshengdongjiankangkejiyouxiangongsi - Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 9/29/2024 U.S. Agent Designation Fangchenggangshengdongjiankangkejiyouxiangongsi 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: 2BLBG-BH-55): Name and company of U.S. agent: UUX GROUP INC Physical U.S. address of agent: 36 South 18th Avenue, Suite A Brighton, CO USA 80601 FRN of U.S. agent: 0033701590 Email address of U.S. agent: [email protected] UUX GROUP INC acknowledges their obligation to accept service of process on behalf of Fangchenggangshengdongjiankangkejiyouxiangongsi. Fangchenggangshengdongjiankangkejiyouxiangongsi with the FRN 0035987718 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 Jia Li Manager Fangchenggangshengdongjiankangkejiyouxiangong si Signature Jack Fu Manager UUX GROUP INC 48_[model] US_Agent_2.911(d)(7) - U, V05

Page 1 of 4 FCC ID: 2BLBG-BH-55 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 4 FCC ID: 2BLBG-BH-55 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 4 FCC ID: 2BLBG-BH-55 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 4 FCC ID: 2BLBG-BH-55 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 ---The End---

Label Size: L30mm * W10mm 1. The label is silk-screen on the sample Hearing Aids Model Name: BH-55 FCC ID: 2BLBG-BH-55 L W

Page 1 of 5 FCC ID: 2BLBG-BH-55 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 Page 2 of 5 FCC ID: 2BLBG-BH-55 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: 2BLBG-BH-55 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 Antenna 1 Antenna 2 BT Chip 2 BT Chip 1 Page 4 of 5 FCC ID: 2BLBG-BH-55 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: 2BLBG-BH-55 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 Photo 10 ------End------

RF Exposure evaluation FCC ID: 2BLBG-BH-55 Applicable Standard 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 §2.1093 RF exposure requirement KDB447498 v06: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies 1.1. Requirement According to KDB447498 D01 General RF Exposure Guidance v06 Section 4.3.1 Standalone SAR test exclusion considerations: “Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition, listed below, is satisfied. These test exclusion conditions are based on source-based time-averaged maximum conducted output power of the RF channel requiring evaluation, adjusted for tune-up tolerance, and the minimum test separation distance required for the exposure conditions.22 The minimum test separation distance is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander (see 5) of section 4.1). To qualify for SAR test exclusion, the test separation distances applied must be fully explained and justified by the operating configurations and exposure conditions of the transmitter and applicable host platform requirements, typically in the SAR measurement or SAR analysis report, according to the required published RF exposure KDB procedures. When no other RF exposure testing or reporting is required, a statement of justification and compliance must be included in the equipment approval, in lieu of the SAR report, to qualify for the SAR test exclusion. When required, the device specific conditions described in the other published RF exposure KDB procedures must be satisfied before applying these SAR test exclusion provisions; for example, handheld PTT two-way radios, handsets, laptops & tablets etc.23 “ [(max. power of channel, including tune-up tolerance, mW)/ (min. test separation distance, mm)] · [√f (GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where: • f (GHz) is the RF channel transmit frequency in GHz • Power and distance are rounded to the nearest mW and mm before calculation • The result is rounded to one decimal place for comparison • 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 5) in section 4.1 is applied to determine SAR test exclusion. Manufacturing Tolerance BR_EDR (Conducted) Frequency BR_EDR_GFSK (MHz) 2402 2441 2480 Target (dBm) 0 2 2 Tolerance ± (dB) 1 1 1 Frequency BR_EDR_π/4-DQPSK (MHz) 2402 2441 2480 Target (dBm) 1 4 4 Tolerance ± (dB) 1 1 1 Frequency BR_EDR_8DQPSK (MHz) 2402 2441 2480 Target (dBm) 2 4 4 Tolerance ± (dB) 1 1 1 2. E v a l u a t i o n R e s u l t Standalone Band/Mode f (GHz) Antenna Distance RF output power including tune up SAR Test Exclusion Threshold SAR Test Exclusion Estimated (mm) dBm mW SAR BT(BR+EDR) 2.48 5 5 3.16 0.996 <3.0 Yes / Simultaneous The device left section and right section can transmit simultaneously. The radio of Left+Right=0.996/3+0.996/3=0.664 ＜1.0 Remark: When the minimum test separation distance is < 5 mm, a distance of 5 mm according to f) in section 4.1 is applied to determine SAR test exclusion. 3. C o n c l u s i o n The measurement results comply with the FCC Limit per 47 CFR 2.1093 for the uncontrolled RF Exposure and SAR Exclusion Threshold per KDB 447498 v06, No SAR is required. .....................End.........................

Page 1 of 30 Report No.: AiTSZ-240914005FW1 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 : Hearing Aids Brand Name : Nelpo Model : BH-55 Series Model : N/A FCC ID : 2BLBG-BH-55 Applicant : Fangchenggangshengdongjiankangkejiyouxiangongsi Address : Bldg 2, 2nd Fl, Phase 1, Yunlang Tech Park, Beibu Bay Ave, Fangcheng Dist, Fangchenggang, Guangxi Zhuang Autonomous Region ,China,535500 Manufacturer : Fangchenggangshengdongjiankangkejiyouxiangongsi Address : Bldg 2, 2nd Fl, Phase 1, Yunlang Tech Park, Beibu Bay Ave, Fangcheng Dist, Fangchenggang, Guangxi Zhuang Autonomous Region ,China,535500 Standard(s) : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of Receipt : Sept.14, 2024 Date of Test : Sept.14, 2024~ Sept.23, 2024 Issued Date : Sept.23, 2024 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: Leon.yi Sean She Page 2 of 30 Report No.: AiTSZ-240914005FW1 Report Revise Record Report Version Issued Date Notes M1 Sept.23, 2024 Initial Release Page 3 of 30 Report No.: AiTSZ-240914005FW1 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 GENGENERAL 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 .......................................................................................................... 27 3.11 ANTENNA REQUIREMENT ............................................................................................................................................. 28 4 TEST SETUP PHOTOGRAPHS OF EUT ..................................................................................…

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Page 1 of 19 Report No.: AiTSZ-240914005FW1 Conducted 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 -0.020 0.995 None ≤30 PASS 39 2.441 1.754 None PASS 78 2.717 1.869 None PASS π/4DQPSK 2-DH5 0 1.860 1.535 None ≤20.97 PASS 39 4.170 2.612 None PASS 78 4.528 2.837 None PASS 8DPSK 3-DH5 0 2.086 1.617 None PASS 39 4.459 2.792 None PASS 78 4.739 2.978 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 Page 2 of 19 Report No.: AiTSZ-240914005FW1 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 Page 3 of 19 Report No.: AiTSZ-240914005FW1 20dB Bandwidth Test Result Modulation Channel Center Frequency (MHz) 20 dB Bandwidth (MHz) GFSK 0 2402 MHz 0.9513 39 2441 MHz 0.9468 78 2480 MHz 0.9422 π/4DQPSK 0 2402 MHz 1.289 39 2441 MHz 1.287 78 2480 MHz 1.291 8DPSK 0 2402 MHz 1.299 39 2441 MHz 1.300 78 2480 MHz 1.295 Test Graphs GFSK_DH5_Channel 0 GFSK_DH5_Channel 39 GFSK_DH5_Channel 78 π/4DQPSK_2-DH5_Channel 0 Page 4 of 19 Report No.: AiTSZ-240914005FW1 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 Page 5 of 19 Report No.: AiTSZ-240914005FW1 Carrier Frequencies Separation Test Result Modulation Packet Left Center frequency (MHz) Right Center frequency (MHz) Hopping Frequency Separation (MHz) Limit (MHz) Result GFSK DH5 2439.8293 2440.829 0.9997 0.628 PASS π/4DQPSK 2-DH5 2440.162 2441.033 0.8710 0.861 PASS 8DPSK 3-DH5 2440.1581 2441.1701 1.0120 0.863 PASS Test Graphs GFSK π/4DQPSK 8DPSK Page 6 of 19 Report No.: AiTSZ-240914005FW1 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 -60.367 -20.36 -40.007 PASS 4803.76 -65.220 -20.36 -44.860 PASS 7205.93 -60.445 -20.36 -40.085 PASS 9608.11 -66.066 -20.36 -45.706 PASS 24898.2 -50.361 -20.36 -30.001 PASS 39 4882.42 -65.207 -17.82 -47.387 PASS 7322.67 -58.615 -17.82 -40.795 PASS 9764.80 -65.094 -17.82 -47.274 PASS 24988.8 -49.794 -17.82 -31.974 PASS 78 2483.50 -61.601 -17.53 -44.071 PASS 4960.45 -65.476 -17.53 -47.946 PASS 7440.66 -57.968 -17.53 -40.438 PASS 9920.24 -66.063 -17.53 -48.533 PASS 24930.1 -50.264 -17.53 -32.734 PASS π/4DQPSK 2-DH5 0 2400.00 -59.557 -20.45 -39.107 PASS 4803.76 -64.060 -20.45 -43.610 PASS 7206.56 -61.111 -20.45 -40.660 PASS 9608.11 -66.356 -20.45 -45.906 PASS 24950.7 -50.054 -20.45 -29.604 PASS 39 4881.17 -65.231 -17.98 -47.251 PASS 7322.05 -61.746 -17.98 -43.766 PASS 9764.80 -67.620 -17.98 -49.640 PASS 24870.8 -50.757 -17.98 -32.777 PASS 78 2483.50 -60.194 -17.72 -42.474 PASS 4959.20 -65.706 -17.72 -47.986 PASS 7439.41 -57.938 -17.72 -40.218 PASS 9920.86 -66.579 -17.72 -48.859 PASS 24682.9 -50.759 -17.72 -33.039 PASS 8DPSK 3-DH5 0 2400.00 -57.938 -20.32 -37.618 PASS 4804.38 -65.852 -20.32 -45.532 PASS 7206.56 -61.813 -20.32 -41.493 PASS 9608.11 -66.230 -20.32 -45.910 PASS 24486.2 -50.807 -20.32 -30.487 PASS 39 4881.17 -64.843 -17.82 -47.023 PASS 7322.05 -61.627 -17.82 -43.807 PASS 9764.80 -66.506 -17.82 -48.686 PASS 24976.3 -50.258 -17.82 -32.438 PASS 78 2483.50 -60.934 -17.53 -43.404 PASS 4960.45 -63.997 -17.53 -46.467 PASS 7440.03 -58.979 -17.53 -41.449 PASS 9920.24 -65.747 -17.53 -48.217 PASS 24897.0 -50.557 -17.53 -33.027 PASS Hopping Modulation Packet Channel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) Over Limit (dB) Result GFSK DH5 Hopping 2400.00 -60.409 -20.17 -40.239 PASS Page 7 of 19 Report No.: AiTSZ-240914005FW1 2483.50 -62.215 -17.35 -44.865 PASS π/4DQPSK 2-DH5 2400.00 -58.930 -20.6 -38.330 PASS 2483.50 -60.836 -17.93 -42.906 PASS 8DPSK 3-DH5 2400.00 -59.207 -20.33 -38.877 PASS 2483.50 -61.572 -17.58 -43.992 PASS Test Graphs In-Band Reference Level GFSK_DH5_Channel 0 In-Band Reference Level π/4DQPSK_2-DH5_Channel 0 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 Page 8 of 19 Report No.: AiTSZ-240914005FW1 In-Band Reference Level GFSK_DH5_Channel 39 In-Band Reference Level π/4DQPSK_2-DH5_Channel 39 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 In-Band Reference Level In-Band Reference Level Page 9 of 19 Report No.: AiTSZ-240914005FW1 GFSK_DH5_Channel 78 π/4DQPSK_2-DH5_Channel 78 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 In-Band Reference Level 8DPSK_3-DH5_Channel 0 Out Of Band Emission 8DPSK_3-DH5_Channel 0 Page 10 of 19 Report No.: AiTSZ-240914005FW1 30.0 MHz - 25000.0 MHz 8DPSK_3-DH5_Channel 0 In-Band Reference Level 8DPSK_3-DH5_Channel 39 Out Of Band Emission 8DPSK_3-DH5_Channel 39 30.0 MHz - 25000.0 MHz 8DPSK_3-DH5_Channel 39 In-Band Reference Level 8DPSK_3-DH5_Channel 78 Out Of Band Emission 8DPSK_3-DH5_Channel 78 30.0 MHz - 25000.0 MHz Page 11 of 19 Report No.: AiTSZ-240914005FW1 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 Page 12 of 19 Report No.: AiTSZ-240914005FW1 Duty Cycle Test Result Modulation Packets Channel On Time (ms) Period (ms) Duty Cycle (%) Duty Cycle (linear) Duty Cycle Factor (dB) GFSK DH5 0 2.894 3.748 77.21 0.7721 1.1233 39 2.8…

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Page 1 of 2 FCC ID: 2BLBG-BH-55 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: 2BLBG-BH-55 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------