EMJ-BHS2705Wireless Headset

No. 669, Ruey Kuang Road Neihu Taipei, Taiwan, R.O.C. Tel: 883-2-2798-9008 Fax: 886-2-8798-1565 Date: 2026-6-15 FCC ID:EMJ-BHS2705 To the attention of Federal Communications Commission Authorization and Evaluation Division Attestation Statements Attestation Statements Part 2.911(d)(5)(i) Filing PRIMAX ELECTRONICS LTD. 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. Attestation Statements Part 2.911(d)(5)(ii) Filing PRIMAX ELECTRONICS LTD. 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 yours, ------------------------------------------------------------------- Nelson Chou Compliance Dept. / Manager PRIMAX ELECTRONICS LTD. TEL： 886-2-2798-9008 ext. 1681 FAX：886-2-8797-1565 Email: [email protected]

No. 669, Ruey Kuang Road Neihu Taipei, Taiwan, R.O.C. Tel: 886-2-2798-9008 Fax: 886-2-8798-1565 Date: 2026/6/15 FCC ID:EMJ-BHS2705 To the attention of Federal Communications Commission Authorization and Evaluation Division Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the Applicant hereby requests confidential treatment of information accompanying this Application as outlined below: Block Diagram Schematics Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely yours, ------------------------------------------------------------------- Nelson Chou Compliance Dept. / Manager PRIMAX ELECTRONICS LTD. TEL： 886-2-2798-9008 ext. 1681 FAX：886-2-8797-1565 Email: [email protected]

No. 669, Ruey Kuang Road Neihu Taipei, Taiwan, R.O.C. Tel: 886-2-2798-9008 Fax: 886-2-8798-1565 Date: 2026-07-23 FCC ID: EMJ-BHS2705 To the attention of Federal Communications Commission Authorization and Evaluation Division Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the commission’s rules, we request short-term confidential treatment for the following information until 2026/11/3 in order to ensure sensitive business information remains confidential until the actual marketing of the device: External photos Test Setup photos User’s manual Internal Photos Sincerely yours, ------------------------------------------------------------------- Nelson Chou Compliance Dept. / Manager PRIMAX ELECTRONICS LTD. TEL： 886-2-2798-9008 ext. 1681 FAX：886-2-8797-1565 Email: [email protected]

No. 669, Ruey Kuang Road Neihu Taipei, Taiwan, R.O.C. Tel: 883-2-2798-9008 Fax: 886-2-8798-1565 Date: 2026-6-15 FCC ID:EMJ-BHS2705 A U T H O R I Z A T I O N L E T T E R To whom it may concern: We, the undersigned, hereby authorize Andrea Hsia / Assistant Manager of Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch (BV CPS Taoyuan) of Taiwan to act on our behalf in all manners relating to FCC application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by Andrea Hsia / Assistant Manager of BV CPS Taoyuan on our behalf shall have the same effect as acts of our own. If you have any questions regarding the authorization, please don’t hesitate to contact us. Sincerely yours, ------------------------------------------------------------------- Nelson Chou Compliance Dept. / Manager PRIMAX ELECTRONICS LTD. TEL： 886-2-2798-9008 ext. 1681 FAX：886-2-8797-1565 Email: [email protected]

Label location The label is permanently affixed on the interior of the earcup. The earcup cover can be opened without any special tools. Page 1 of the user manual exhibit provides instructions to the end-user on how to remove the earcups to view the regulatory label containing the FCC / ISED ID. The FCC / ISED ID will also be placed in the owner’s guide.

SAR Test Report Report Format Version 8.0.0 Page No. : 1 of 25 Report No. : SFBHKO-WTW-P26060237 Issued Date : Aug. 19, 2026 SAR Test Report FCC Rule Part : CFR §2.1093 Standards : IEEE Std 1528:2013, KDB 865664 D01 v01r04, KDB 865664 D02 v01r02, KDB 447498 D04 Interim General RF Exposure Guidance v01 Report No. : SFBHKO-WTW-P26060237 Applicant : PRIMAX ELECTRONICS LTD. Address : No. 669, Ruey Kuang Road, Neihu, Taipei, Taiwan, R.O.C. Product : Wireless Headset FCC ID : EMJ-BHS2705 Brand : DELL Model No. : HS2705 Sample Received Date : Jun. 11, 2026 Date of Testing : Jul. 29, 2026 Lab Address : No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan Test Location : No. 19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City, Taiwan FCC Accredited No. : TW0003 CERTIFICATION: The above equipment have been tested by Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch–Lin Kou Laboratories, and found compliance with the requirement of the above standards. The test record, data evaluation & Equipment Under Test (EUT) configurations represented herein are true and accurate accounts of the measurements of the sample’s SAR characteristics under the conditions specified in this report. It should not be reproduced except in full, without the written approval of our laboratory. The client should not use it to claim product certification, approval, or endorsement by TAF or any government agencies. Prepared By : Gina Liu / Specialist Approved By : Gordon Lin / Manager This report is governed by, and incorporates by reference, the Conditions of Testing as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our-business/cps/about-us/terms-conditions/ and is intended for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. Measurement uncertainty is only provided upon request for accredited tests. Statements of conformity are based on simple acceptance criteria without taking measurement uncertainty into account, unless otherwise requested in writing. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. SAR Test Report Report Format Version 8.0.0 Page No. : 2 of 25 Report No. : SFBHKO-WTW-P26060237 Issued Date : Aug. 19, 2026 Table of Contents Release Control Record ............................................................................................................................................................... 3 1. Test Reference Guidance ...................................................................................................................................................... 4 2. Summary of Maximum SAR Value ....................................................................................................................................... 5 3. Description of Equipment Under Test ................................................................................................................................. 6 4. SAR Measurement System ................................................................................................................................................... 7 4.1 Definition of Specific Absorption Rate (SAR) ............................................................................................................... 7 4.2 SPEAG DASY6 System ............................................................................................................................................... 7 4.2.1 Robot ............................................................................................................................................................... 8 4.2.2 Probes ............................................................................................................................................................. 9 4.2.3 Data Acquisition Electronics (DAE) .................................................................................................................. 9 4.2.4 Phantoms ......................................................................................................................................................... 9 4.2.5 Device Holder ................................................................................................................................................ 10 4.2.6 System Validation Dipoles ............................................................................................................................. 11 4.2.7 Power Source ................................................................................................................................................ 11 4.2.8 Tissue Simulating Liquids .............................................................................................................................. 12 4.3 SAR System Verification ............................................................................................................................................ 14 4.4 SAR…

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Plots of System Verification Appendix A. Plots of System Verification The plots for system verification are shown as follows. Report No.: SFBHKO-WTW-P26060237 Plots of System Verification Measurement Report S01 System Check_H2450_260729 Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type D2450V2, 10.0 x 10.0 x 290.0 Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, , CW, 0-- 2450.000, 0 7.09 1.80 39.1 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2122 H19T27N9 , 2026-07-29 EX3DV4 - SN3650, 2026-01-26 DAE4 Sn1341, 2026-03-11 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 48.0 x 96.0 35.0 x 35.0 x 30.0 Grid Steps [mm] 12.0 x 12.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Measurement Results Area Scan Zoom Scan Date 2026-07-29 2026-07-29 psSAR1g [W/kg] 2.74 2.76 psSAR10g [W/kg] 1.25 1.26 Power Drift [dB] 0.05 0.13 Report No.: SFBHKO-WTW-P26060237 Plots of Measurement Appendix B. Plots of Measurement The SAR plots for highest measured SAR in each exposure configuration, wireless mode and frequency band combination are shown as follows. Report No.: SFBHKO-WTW-P26060237 Plots of Measurement . Measurement Report P01_BT_BDR_Rear Face_0mm_Ch0_Ant0 Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type P26060237, 100.0 x 80.0 x 30.0 Headset Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, Rear Face, 0.00 ISM 2.4 GHz Band Bluetooth, 10032-CAA 2402.000, 0 7.09 1.77 39.1 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2122 H19T27N9 , 2026-07-29 EX3DV4 - SN3650, 2026-01-26 DAE4 Sn1341, 2026-03-11 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 84.0 x 144.0 Grid Steps [mm] 12.0 x 12.0 Sensor Surface [mm] 3.0 Measurement Results Area Scan Zoom Scan Date 2026-07-29 psSAR1g [W/kg] 0 psSAR10g [W/kg] 0 Power Drift [dB] 0 Report No.: SFBHKO-WTW-P26060237 Appendix D. Maximum Target Conducted Power The maximum conducted average power (Unit: dBm) including tune-up tolerance is shown as below. Report No.: SFBHKO-WTW-P26060237 Tune-up Power (Full) ModeChannel Frequency Ant 0 Max Tune-up 024027.5 3924417.5 7824807.5 024027.5 1924407.5 3924807.5 Bluetooth BR / EDR LE Report No.: SFBHKO-WTW-P26060237 Appendix E. Measured Conducted Power Result The measuring conducted power (Unit: dBm) are shown as below. Report No.: SFBHKO-WTW-P26060237 Conducted Power (Full) ModeChannel Frequency SISO Ant 0 Avg. Power 024027.34 3924417.15 7824807.15 024027.33 1924407.13 3924807.15 BR / EDR Bluetooth Ant 0 LE Report No.: SFBHKO-WTW-P26060237 Appendix F. SAR Test Result SAR Results for Head Exposure Condition. No te: 1. SAR testing for BT was performed on the maximum power mode. 2. The “< 0.001” means there is no SAR value or the SAR is too low to be measured. Report No.: SFBHKO-WTW-P26060237 Plot No. BandMode Test Position Separation Distance (mm) Channel Ant Status Duty Cycle Crest Factor Max. Tune-up Power (dBm) Measured Conducted Power (dBm) Scaling Factor Power Drift (dB) Measured SAR-1g (W/kg) Scaled SAR-1g (W/kg) Head SAR Test Result SARDUT ConfigurationSystem & Position 1 BTBDR Rear Face00Ant 077.811.297.507.341.040<0.0010.00 BTBDR Right Ear00Ant 077.811.297.507.341.040<0.0010.00 BTBDR Bottom Side00Ant 077.811.297.507.341.040<0.0010.00 BTBDR Rear Face039Ant 077.811.297.507.151.080<0.0010.00 BTBDR Rear Face078Ant 077.811.297.507.151.080<0.0010.00 -1.00--1-- Report No.: SFBHKO-WTW-P26060237 Appendix Z. Calibration Certificate for Probe and Dipole The SPEAG calibration certificates are shown as follows. Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237 Report No.: SFBHKO-WTW-P26060237

Stratocaster POC Antenna Evaluation Feb. 3, 2026 Benson 6 1. Measurement Information ➢Antenna Vendor Information Antenna Vendor: INPAQ Test Date: 2026/07/08 Test Engineer: Calvin Test Software: XH-Passive Test V2.6.0 7 1. Measurement Information ➢Applicable test methods 8 1. Measurement Information ➢Setup of chamber 9 1. Measurement Information ➢Equipment list ID#DeviceType/ModelSerial#ManufacturerCal Date Cal. Due Date 0135 ChamberMPS-48424842XH-IOE2026-4-142027-4-14 0136 Switch systemsNANAXH-IOE N/AN/A 0147 Measurement SWNANAXH-IOE N/AN/A 0530 Spectrum Analyzer(N9020B)MY59050565Keysight 2025-12-02 2027-12-24 1033 Communication analyzer 1CMW-5001201.0002k50R&S 2026-03-13 2027-03-13 1076 Communication analyzer 2MT8000A6272368783ANRITSU 2026-5-13 2027-05-13 0993 Communication analyzer 3MT8862A6262115497ANRITSU 2025-12-24 2026-12-24 0325 Cable 2.5m –30MHz to 18 GHz0500990992500KE19.23.395Radial 2025-02-13 2028-03-13 0141 Cable 1.2m –18 to 40 GHzUFA147A-0-0480-200200MFR60637-59609-072Micro-coax 2025-06-26 2028-07-26 0334 Cable 1m –1GHz to 18GHzUFA147ANAUtilflex 2025-06-252028-07-25 0859 Cable 2m –26.5GHz to 40GHz794-9191-2000AE00327Atem 2025-05-262028-05-26 0206 Cable 1m 30 MHz –18GHzUFB311A-0-0590-50U50UMFR 64637-59609-060Micro-coax 2025-05-252028-05-25 0263 Cable7m DC-18 GHz0501051057000GX19.35.850Radial 2025-05-26 2028-07-26 0369 Cable7m –18GHz to 40GHzR286304009Radial 2025-05-25 2028-05-25 0371 Cable 1.5m –DC-18GHzCBL-1.5M-SMSM+202879Mini-Circuits 2025-05-26 2028-05-26 1099 Temp & Humidity LoggerRA12E-TH-RASRA12-D0EB1AAvtech 2026-02-15 2027-02-15 Purpose •Measure the POC sample antenna performance and verify the results. 3 POC Sample Antenna Matching •Antenna Matching 4 POC Sample Antenna Performance •S-parameter 5 Free spaceHead POC Sample Antenna Performance •Antenna radiated gain table 6 Free spaceHead Frequency(MHz) Efficiency(%)Peak Gain(dBi)Efficiency(%)Peak Gain(dBi) 240052.41.5243.91.74 245050.281.0542.191.5 248050.741.1341.071.24 POC Sample Antenna Performance •2D Radiation Pattern •Free space 7 POC Sample Antenna Performance •2D Radiation Pattern •Head 8 Summary •The measurement results show anantenna efficiency>50% and peak gain <3 dBi in free space and efficiency drop around 9% on phantom head, indicating that the antenna performance meets the expected requirements. 9 Thanks

Report No.: RFBHKO-WTW-P26060237-1 Page No. 1 / 53 Report Format Version: 7.2.0 Reference No.: BHKO-WTW-P26060237 TEST REPORT CERTIFICATE OF CONFORMITY Standard: 47 CFR FCC Part 15, Subpart C (Section 15.247) Report No.: RFBHKO-WTW-P26060237-1 FCC ID: EMJ-BHS2705 Product: Wireless Headset Brand: DELL Model No.: HS2705 Received Date: 2026/6/11 Test Date: 2026/7/7 ~ 2026/7/17 Issued Date: 2026/8/19 Applicant: PRIMAX ELECTRONICS LTD. Address: No. 669, Ruey Kuang Road, Neihu, Taipei, Taiwan, R.O.C. Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City 244, Taiwan Test Location: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City 244, Taiwan FCC Registration / Designation Number: 198487 / TW2021 Approved by: , Date: 2026/8/19 Jeremy Lin / Project Engineer This test report consists of 53 pages in total. It may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The test results in the report only apply to the tested sample. The test results in this report are traceable to the national or international standards. Prepared by : Annie Chang / Senior Specialist This report is governed by, and incorporates by reference, the Conditions of Testing as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our- business/cps/about-us/terms-conditions/ and is intended for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. Measurement uncertainty is only provided upon request for accredited tests. Statements of conformity are based on simple acceptance criteria without taking measurement uncertainty into account, unless otherwise requested in writing. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Report No.: RFBHKO-WTW-P26060237-1 Page No. 2 / 53 Report Format Version: 7.2.0 Reference No.: BHKO-WTW-P26060237 Table of Contents Release Control Record ....................................................................................................................................................... 4 1 Certificate .................................................................................................................................................................... 5 2 Summary of Test Results .......................................................................................................................................... 6 2.1 Measurement Uncertainty ........................................................................................................................................ 6 2.2 Supplementary Information ...................................................................................................................................... 6 3 General Information ................................................................................................................................................... 7 3.1 General Description .................................................................................................................................................. 7 3.2 Antenna Description of EUT ..................................................................................................................................... 7 3.3 Channel List .............................................................................................................................................................. 8 3.4 Test Mode Applicability and Tested Channel Detail .................................................................................................. 9 3.5 Duty Cycle of Test Signal ........................................................................................................................................ 10 3.6 Test Program Used and Operation Descriptions .................................................................................................... 11 3.7 Connection Diagram of EUT and Peripheral Devices ............................................................................................ 11 3.8 Configuration of Peripheral Devices and Cable Connections ................................................................................ 12 4 Test Instruments ...................................................................................................................................................... 13 4.1 RF Output Power .................................................................................................................................................... 13 4.2 Power Spectral Density .......................................................................................................................................... 13 4.3 6 dB Bandwidth ................................................................................…

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