2BHJR-NE878HTC Wireless Earphones 87

FCC ID: 2BHJR-NE878 External Photos of the EUT FCC ID: 2BHJR-NE878 FCC ID: 2BHJR-NE878 FCC ID: 2BHJR-NE878

FCC ID: 2BHJR-NE878 Internal Photos of the EUT FCC ID: 2BHJR-NE878 Antenna FCC ID: 2BHJR-NE878

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn RF Exposure evaluation Report Reference No. ..................... : FCC ID............................................. : CTA26073102802 2BHJR-NE878 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Aug. 14, 2026 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ............................ : Shenzhen xiaoxiang supply chain technology co., ltd Address ............................................ : Xinghe WORLD Twin Towers, No. 8 Yaxing Road, Nankeng Community, Bantian Street, Longgang District, Shenzhen West Tower 28th Floor 2801A-1, China Standard ........................................... : 47CFR §1.1310 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purpses as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : HTC Wireless Earphones 87 Trade Mark ....................................... : HTC Manufacturer .................................... : Shenzhen xiaoxiang supply chain technology co., ltd Model/Type reference ...................... : HTC NE87 Listed Models ................................... : N/A Rating ............................................... : Input: DC5V 500mA Battery: 3.7V 500mAh Result ............................................... : PASS Report No.: CTA26073102802 Page 2 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : HTC Wireless Earphones 87 Model /Type : HTC NE87 Listed Models : N/A Model difference : N/A Applicant : Shenzhen xiaoxiang supply chain technology co., ltd Address : Xinghe WORLD Twin Towers, No. 8 Yaxing Road, Nankeng Community, Bantian Street, Longgang District, Shenzhen West Tower 28th Floor 2801A-1, China Manufacturer : Shenzhen xiaoxiang supply chain technology co., ltd Address : Xinghe WORLD Twin Towers, No. 8 Yaxing Road, Nankeng Community, Bantian Street, Longgang District, Shenzhen West Tower 28th Floor 2801A-1, China Test Result: PASS The 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. Report No.: CTA26073102802 Page 3 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ............................................................................................................ 4 2 SUMMARY .......................................................................................................................... 5 2.1 General Remarks ..................................................................................................... 5 2.2 Product Description ................................................................................................. 5 2.3 Special Accessories ................................................................................................. 5 2.4 Modifications ............................................................................................................ 5 3 TEST ENVIRONMENT ....................................................................................................... 6 3.1 Address of the test laboratory .................................................................................. 6 3.2 Test Facility .............................................................................................................. 6 3.3 Statement of the measurement uncertainty ............................................................. 6 4 Test limit .............................................................................................................................. 7 4.1 Requirement ............................................................................................................ 7 4.2 Conducted Power Results ....................................................................................... 7 4.3 Manufacturing tolerance .......................................................................................... 8 4.4 Evaluation Result ..................................................................................................... 8 4.5 Simultaneous Transmission for SAR Exclusion ...................................................... 8 5 Conclusion ........................................................................................................................... 8 Report No.: CTA26073102802 Page 4 of 8 Shenzhen CTA Testing Technology C…

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Summary Inverted F Antenna Specification ITEM ANT SPEC Model Name 2.4G ANT Center Frequency Horizontal Vertical 2400MHz 2450MHz2500MHz 2400MHz 2450MHz2500MHz -8.46-8.46-10.82-9.06-9.7-10.58 MAX. Gain -8.46dBi Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Address 333 Kexing Rd,Nanping Town,Xiangzhou Dist,Zhuhai City,Guangdong Province,China Antenna Photo & Length (mm) 12.4MM 4.4MM 1.6MM 3.2MM 2.5MM 1.4MM Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Frequency (MHz) Gain(dB) Max Min Avg 2400 -8.46 -30.0815 -8.48713 2450 -8.46 -38.5605 -7.88012 2500 -10.82 -24.0318 -6.79139 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Frequency (MHz) Gain(dB) Max Min Avg 2400 -9.06 -24.1420 -13.0295 2450 -9.7 -26.5836 -10.6700 2500 -10.58 -30.4301 -9.70536 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. .................... : FCC ID. ........................................... : CTA26073102801 2BHJR-NE878 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Aug. 14, 2026 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ........................... : Shenzhen xiaoxiang supply chain technology co., ltd Address ............................................ : Xinghe WORLD Twin Towers, No. 8 Yaxing Road, Nankeng Community, Bantian Street, Longgang District, Shenzhen West Tower 28th Floor 2801A-1, China Test specification ........................... : Standard ........................................... : FCC Part 15.247 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : HTC Wireless Earphones 87 Trade Mark ....................................... : HTC Manufacturer .................................... : Shenzhen xiaoxiang supply chain technology co., ltd Model/Type reference ...................... : HTC NE87 Listed Models ................................... : N/A Modulation ....................................... : GFSK, Π/4DQPSK, 8DPSK Frequency ........................................ : From 2402MHz to 2480MHz Ratings ............................................. : Input: DC5V 500mA Battery: 3.7V 500mAh Result ............................................... : PASS Report No.: CTA26073102801 Page 2 of 40 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : HTC Wireless Earphones 87 Model /Type : HTC NE87 Listed Models : N/A Model difference : N/A Applicant : Shenzhen xiaoxiang supply chain technology co., ltd Address : Xinghe WORLD Twin Towers, No. 8 Yaxing Road, Nankeng Community, Bantian Street, Longgang District, Shenzhen West Tower 28th Floor 2801A-1, China Manufacturer : Shenzhen xiaoxiang supply chain technology co., ltd Address : Xinghe WORLD Twin Towers, No. 8 Yaxing Road, Nankeng Community, Bantian Street, Longgang District, Shenzhen West Tower 28th Floor 2801A-1, China Test Result: PASS The 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. Report No.: CTA26073102801 Page 3 of 40 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ...................................................................................................................................... 4 2 SUMMARY .................................................................................................................................................... 5 2.1 General Remarks .............................................................................................................................. 5 2.2 Product Description ........................................................................................................................... 5 2.3 Equipment Under Test ....................................................................................................................... 5 2.4 Short description of the Equipment under Test (EUT) ...................................................................... 5 2.5 EUT configuration .............................................................................................................................. 6 2.6 EUT operation mode ......................................................................................................................... 6 2.7 Block Diagram of Test Setup ............................................................................................................. 6 2.8 Related Submittal(s) / Grant (s) ......................................................................................................... 6 2.9 Modifications ...................................................................................................................................... 6 3 TEST ENVIRONMENT ................................................................................................................................. 7 3.1 Address of the test laboratory ........................................................................................................... 7 3.2 Test Facility.....................................................................................…

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Page 1 / 64 FCC Appendix RF Test Data for BT FCC ID : 2BHJR-NE878 Company : Shenzhen xiaoxiang supply chain technology co., ltd EUT : HTC Wireless Earphones 87 Model Number : HTC NE87 Report No. : CTA26073102801 Reviewed By : Eric Wang Page 2 / 64 Dwell Time Mode Frequency (MHz) Pulse Time (ms) Total Dwell Time (ms) Burst Count Period Time (ms) Limit (ms) Verdict 1-DH1 2441 0.381 120.396 316 31600 <=400 Pass 1-DH3 2441 1.637 248.824 152 31600 <=400 Pass 1-DH5 2441 2.884 314.356 109 31600 <=400 Pass 2-DH1 2441 0.389 122.924 316 31600 <=400 Pass 2-DH3 2441 1.642 252.868 154 31600 <=400 Pass 2-DH5 2441 2.889 274.455 95 31600 <=400 Pass 3-DH1 2441 0.389 122.146 314 31600 <=400 Pass 3-DH3 2441 1.64 264.04 161 31600 <=400 Pass 3-DH5 2441 2.891 294.882 102 31600 <=400 Pass Page 3 / 64 Test Graphs Dwell NVNT 1-DH1 2441MHz One Burst Dwell NVNT 1-DH1 2441MHz Accumulated Page 4 / 64 Dwell NVNT 1-DH3 2441MHz One Burst Dwell NVNT 1-DH3 2441MHz Accumulated Page 5 / 64 Dwell NVNT 1-DH5 2441MHz One Burst Dwell NVNT 1-DH5 2441MHz Accumulated Page 6 / 64 Dwell NVNT 2-DH1 2441MHz One Burst Dwell NVNT 2-DH1 2441MHz Accumulated Page 7 / 64 Dwell NVNT 2-DH3 2441MHz One Burst Dwell NVNT 2-DH3 2441MHz Accumulated Page 8 / 64 Dwell NVNT 2-DH5 2441MHz One Burst Dwell NVNT 2-DH5 2441MHz Accumulated Page 9 / 64 Dwell NVNT 3-DH1 2441MHz One Burst Dwell NVNT 3-DH1 2441MHz Accumulated Page 10 / 64 Dwell NVNT 3-DH3 2441MHz One Burst Dwell NVNT 3-DH3 2441MHz Accumulated Page 11 / 64 Dwell NVNT 3-DH5 2441MHz One Burst Dwell NVNT 3-DH5 2441MHz Accumulated Page 12 / 64 Duty Cycle Mode Frequency (MHz) On Time (ms) Period (ms) Duty Cycle (%) Correction Factor (dB) 1/T (kHz) 1-DH5 2402 2.886 3.75 76.96 1.14 0.35 1-DH5 2441 2.886 3.75 76.96 1.14 0.35 1-DH5 2480 2.886 3.75 76.96 1.14 0.35 2-DH5 2402 2.892 3.75 77.12 1.13 0.35 2-DH5 2441 2.892 3.75 77.12 1.13 0.35 2-DH5 2480 2.889 3.75 77.04 1.13 0.35 3-DH5 2402 2.892 3.75 77.12 1.13 0.35 3-DH5 2441 2.895 3.75 77.2 1.12 0.35 3-DH5 2480 2.892 3.75 77.12 1.13 0.35 Page 13 / 64 Test Graphs Duty Cycle NVNT 1-DH5 2402MHz Duty Cycle NVNT 1-DH5 2441MHz Page 14 / 64 Duty Cycle NVNT 1-DH5 2480MHz Duty Cycle NVNT 2-DH5 2402MHz Page 15 / 64 Duty Cycle NVNT 2-DH5 2441MHz Duty Cycle NVNT 2-DH5 2480MHz Page 16 / 64 Duty Cycle NVNT 3-DH5 2402MHz Duty Cycle NVNT 3-DH5 2441MHz Page 17 / 64 Duty Cycle NVNT 3-DH5 2480MHz Page 18 / 64 Maximum Peak Conducted Output Power Mode Frequency (MHz) Conducted Power (dBm) Limit (dBm) Verdict 1-DH5 2402 1.56 <=30 Pass 1-DH5 2441 1.65 <=30 Pass 1-DH5 2480 2.05 <=30 Pass 2-DH5 2402 0.58 <=21 Pass 2-DH5 2441 0.56 <=21 Pass 2-DH5 2480 0.97 <=21 Pass 3-DH5 2402 0.77 <=21 Pass 3-DH5 2441 0.81 <=21 Pass 3-DH5 2480 1.19 <=21 Pass Page 19 / 64 -20dB Bandwidth Mode Frequency (MHz) -20 dB Bandwidth (MHz) Verdict 1-DH5 2402 0.9538 Pass 1-DH5 2441 0.9503 Pass 1-DH5 2480 0.9446 Pass 2-DH5 2402 1.482 Pass 2-DH5 2441 1.511 Pass 2-DH5 2480 1.606 Pass 3-DH5 2402 1.475 Pass 3-DH5 2441 1.573 Pass 3-DH5 2480 1.476 Pass Page 20 / 64 Test Graphs -20dB Bandwidth NVNT 1-DH5 2402MHz -20dB Bandwidth NVNT 1-DH5 2441MHz Page 21 / 64 -20dB Bandwidth NVNT 1-DH5 2480MHz -20dB Bandwidth NVNT 2-DH5 2402MHz Page 22 / 64 -20dB Bandwidth NVNT 2-DH5 2441MHz -20dB Bandwidth NVNT 2-DH5 2480MHz Page 23 / 64 -20dB Bandwidth NVNT 3-DH5 2402MHz -20dB Bandwidth NVNT 3-DH5 2441MHz Page 24 / 64 -20dB Bandwidth NVNT 3-DH5 2480MHz Page 25 / 64 Carrier Frequencies Separation Mode Hopping Freq1 (MHz) Hopping Freq2 (MHz) HFS (MHz) Limit (MHz) Verdict 1-DH5 2401.822 2402.803 0.981 >=0.954 Pass 1-DH5 2440.987 2442.103 1.116 >=0.950 Pass 1-DH5 2478.99 2480.124 1.134 >=0.945 Pass 2-DH5 2401.867 2402.866 0.999 >=0.988 Pass 2-DH5 2440.861 2442.154 1.293 >=1.007 Pass 2-DH5 2478.822 2480.109 1.287 >=1.071 Pass 3-DH5 2401.858 2403.028 1.17 >=0.983 Pass 3-DH5 2441.107 2442.181 1.074 >=1.049 Pass 3-DH5 2478.936 2480.175 1.239 >=0.984 Pass Page 26 / 64 Test Graphs CFS NVNT 1-DH5 2402MHz CFS NVNT 1-DH5 2441MHz Page 27 / 64 CFS NVNT 1-DH5 2480MHz CFS NVNT 2-DH5 2402MHz Page 28 / 64 CFS NVNT 2-DH5 2441MHz CFS NVNT 2-DH5 2480MHz Page 29 / 64 CFS NVNT 3-DH5 2402MHz CFS NVNT 3-DH5 2441MHz Page 30 / 64 CFS NVNT 3-DH5 2480MHz Page 31 / 64 Number of Hopping Channel Mode Hopping Number Limit Verdict 1-DH5 79 >=15 Pass 2-DH5 79 >=15 Pass 3-DH5 79 >=15 Pass Page 32 / 64 Test Graphs Hopping No. NVNT 1-DH5 Hopping Hopping No. NVNT 2-DH5 Hopping Page 33 / 64 Hopping No. NVNT 3-DH5 Hopping Page 34 / 64 Band Edge Mode Frequency (MHz) Hopping Mode Max Value (dBc) Limit (dBc) Verdict 1-DH5 2402 No-Hopping -56.72 <=-20 Pass 1-DH5 2480 No-Hopping -48.57 <=-20 Pass 2-DH5 2402 No-Hopping -54.6 <=-20 Pass 2-DH5 2480 No-Hopping -46.88 <=-20 Pass 3-DH5 2402 No-Hopping -54.53 <=-20 Pass 3-DH5 2480 No-Hopping -45.75 <=-20 Pass Page 35 / 64 Test Graphs Band Edge NVNT 1-DH5 2402MHz No-Hopping Ref Band Edge NVNT 1-DH5 2402MHz No-Hopping Emission Page 36 / 64 Band Edge NVNT 1-DH5 2480MHz No-Hopping Ref Band Edge NVNT 1-DH5 2480MHz No-Hopping Emission Page 37 / 64 Band Edge NVNT 2-DH5 2402MHz No-Hopping Ref Band Edge NVNT 2-DH5 2402MHz No-Hopping Emission Page 38 / 64 Band Edge NVNT 2-DH5 2480MHz No-Hopping Ref Band Edge NVNT 2-DH5 2480MHz No-Hopping Emission Page 39 / 64 Band Edge NVNT 3-DH5 2402MHz No-Hopping Ref Band Edge NVNT 3-DH5 2402MHz No-Hopping Emission Page 40 / 64 Band Edge NVNT 3-DH5 2480MHz No-Hopping Ref Band Edge NVNT 3-DH5 2480MHz No-Hopping Emission Page 41 / 64 Band Edge(Hopping) Mode Frequency (MHz) Hopping Mode Max Value (dBc) Limit (dBc) Verdict 1-DH5 2402 Hopping -54.58 <=-20 Pass 1-DH5 2480 Hopping -58.68 <=-20 Pass 2-DH5 2402 Hopping -51.3 <=-20 Pass 2-DH5 2480 Hopping -55.06 <=-20 Pass 3-DH5 2402 Hopping -51.6 <=-20 Pass 3-DH5 2480 Hopping -53.92 <=-20 Pass Page 42 / 64 Test Graphs Band Edge(Hopping) NVNT 1-DH5 2402MHz Hopping Ref Band Edge(Hopping) NVNT 1-DH5 2402MHz Hopping Emission Page 43 / 64 Band Edge(Hopping) NVNT 1-DH5 2480MHz Hopping Ref Band Edge(Hopping) NVNT 1-DH5 2480MHz Hopping Emission Page 44 / 64 Band Edge(Hoppi…

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FCC ID: 2BHJR-NE878 Test Setup Photos of the EUT FCC ID: 2BHJR-NE878