2A2BYHE-HE067Earphones

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User Guide for HE-067 Earphones FCC ID: 2A2BYHE-HE067 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. NOTE 1: 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. NOTE 2: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. R L

FCC ID: 2A2BYHE-HE067 RF Exposure Evaluation According to KDB 447498 D01 General RF Exposure Guidance v06 and part 2.1093，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(s), listed below, is (are) satisfied. For 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: [(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 Here, The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. For BR+EDR Max Conducted Power(dBm) Tune-up Power(dBm) Max Tune-up Power(dBm) Max Power(mW) Frequency(MHz) Min. distance(mm) Calc. thresholds limit 2.73 3(±1) 3 1.995 2480 5 0.6283 3.0 So a SAR test is not required

Report No: DSP26031619-1E FCC ID: 2A2BYHE-HE067 Annex of Test Report Annex C. Test Photos Conducted Emission Test View 1 Radiated Emission Test View Below 1GHz Report No: DSP26031619-1E FCC ID: 2A2BYHE-HE067 Annex of Test Report Radiated Emission Test View Above 1GHz

2.4GHz 2012 SMD Antenna: RANT2012F245X5 Dimens ion (mm) L2.05+-0.15 W1.20+-0.15 T0.65+-0.10 No.Te rmina l Name 1Fe eding/GNG 2GND Applicati on: WLAN, 802.11b/g, Bluetooth, WLAN, etc... Featu res SMD, high reliability, ultra Impact , Omni-direct ional... Pa rt number Info rmati on RANT2012F245X5 (A)(B)(C)(D)(E)(F) (A)Product Ty peSMD Antenna (B) Size Code2.0x1.2mm(+-0.2mm) (C) MaterialHigh K material (D) Fr equency2.4 ~ 2.5GHz (E) Fe eding modePIFA & Single Fe eding (F) Antenna typeType=5 El ectr ical Sp ecifi cati on Worki ng Fr equency Range2400 ~2484 MHz Bandwidth84 (Min.) Peak Gain1.7 dBi (Typ.) Impedance50 Ohm Return loss10 dB ( Min) Polariza tionLinear Azimuth BeamwidthOmni-direct ional Operation Temperature( °C )-40 ~85 °C Resi st ance to Soldering Heats 10se c. ( @ 280°C) Te rminationNi / Au (Leadless) The specification is defined on EVB. Dimension and Terminal Confi gurati on 咏成國際科技有限公司 Telephone: 13530576606 RAIN International Technology Co., Ltd. Room 707, Building F, Tong'an Zhichuang Park, Xixiang Subdistrict, Bao'an District, Shenzhen City, Guangdong Province 2.4GHz 2012 SMD Antenna: RANT2012F245X5 Ev aluati on BoardRefe rence PCB Dimens ionAntenna La yout Referenc e Unit :mm ElectricalCharacteristics ReturnLoss ReturnLoss&Radiation 1 Frequency(MHz) S11 (dB) 2400-10.7 7 2450-24.8 1 2484-10.2 43 Radi ation Z Y X 2400MHz2450MHz 2500MHz Efficiency70.56%75.25%71.01% 2.4GHz 2012 SMD Antenna: RANT2012F245X5 Taping Sp ecifi cati ons Reel and Taping Specification Reel Spe cification TYPESIZ EABCD 20127”5K/Reel 9.0 ±0.5 60±213.5 ±0.5178±2 Ta ppi ng Spe cification PackagingTypeABWEFGHTDP Paper Type 2012 1.50±0.20 2.30±0.208.0±0.201.75±0.103.5±0.05 4.0±0.10 2.0±0.050.75±0.10 1.57±0.104.0±0.1 2.4GHz 2012 SMD Antenna: RANT2012F245X5 Reliability Table Test ItemProcedure Requireme nts Cerami c Type Rema rk (Reference) Electrical Characterization Fulfill the electrical specification User Spec. Thermal Shock 1. Preconditioning: 50 ± 10°C/ 1 hr , then keep for 24 ± 1 hrs at room temp. 2. Initial measure: Spec: refer Initialspec. 3. Rapid change of temperature test: -30°Cto +85°C; 100 cycles; 15 minutes at Lower category temperature; 15 minutes at Upper category temperature. No Visible Damage. Fulfill the electrical specif ication. MIL-STD-202 107 Temperature Cycling 1. Initial measure: Spec: refer Initialspec. 2. 100 Cycles (-30°Cto +85°C), Soak Mode=1(2 Cycle/hours). 3. Measurement at 24 ± 2Hours after test condition. No Visible Damage. Fulfill the electrical specification. JESD22 JA104 High Temperature Exposure 1. Initial measure: Spec: refer Initialspec. 2. Unpowered; 500hours @ T=+85°C. 3. Measurement at 24 ± 2 hours aftertest. No Visible Damage. Fulfill the electrical specific ation. MIL-STD-202 108 Low Temperature Storage 1. Initial measure: Spec: refer Initialspec. 2. Unpowered: 500hours @ T= -30°C. 3. Measurement at 24 ± 2 hours aftertest. No Visible Damage. Fulfill the electrical specification. MIL-STD-202 108 Solderability (SMD Bottom Side) Dipping method: a. Temperature: 235 ±5°C b. Dipping time: 3 ± 0.5s The solder should cover over 95% of the critical area of bottom side. IEC 60384-21/22 4.10 Soldering Heat Resistance (RSH) Preheati ng temperature: 150 ± 10°C. Preheating time: 1~2 min. Solder temperature: 260 ± 5°C. Dipping time: 5 ± 0.5s No Visible Damage.IEC 60384-21/22 4.10 Vibration5g's for 20 min., 12 cycles each of 3 orientations Note: Use 8"X5" PCB .031" thick 7 secure points on, one long side and 2 secure points at corners of opposite sides. Parts mounted within 2" from any secure point. Test from 10-2000 Hz. No Visible Damage.MIL-STD-202 Method 204 Mechanical Shock Three shocks in each directio n shall be applied along the three mutually perpendicular axes of the test specimen (18 shocks) Peak value: 1,500g’s Duration: 0.5ms Velocity change: 15.4 ft/s Waveform: Half-sine No Visible Damage.MIL-STD-202 Method 213 Humidity Bias 1. Humidity: 85% R.H., Temperature: 85 ± 2°C. 2. Time: 500 ± 24hours. 3. Measurement at 24 ± 2hrs after testcondition. No Visible Damage. Fulfill the electrical specification. MIL-STD-202 Method 106 2.4GHz 2012 SMD Antenna: RANT2012F245X5 2.4GHz 2012 Ch ip Antenna: RA NT2012F245X5 _ Board Flex (SMD) 1. Mounting method: IR-Reflow. PCB Size (L:100 × W:40 × T:1.6mm) 2. Apply the load in direction of the arrow until bending reaches 2 mm. No Visible Damage.AEC-Q200 005 AdhesionForce of 1.8Kg for 60 seconds. No Visible Damage Magnification of 20X or greater may be employed for inspection of the mechanical integrity of the device body terminals and body/terminal junction. AEC-Q200 006 Physical Dimension Any applicable method using x10 magnification, micrometers, calipers, gauges, contour projectors, or other measuring equipment, capable of determining the actual specimen dimensions. In accordance with specification. JESD22 JB100 Revision Histo ry Revisi onDateContent 12020/10/15New Datash eet

Report No: DSP26031619-1E FCC Test Report Page 1 of 46 FCC TEST REPORT FCC ID: 2A2BYHE-HE067 Report No. : DSP26031619-1E Applicant : Dongguan Huien Electronic Technology Co., Ltd Product Name : Earphones Model Name : HE-067 Test Standard : FCC Part 15.247 Date of Issue : 2026-04-13 Shenzhen CCUT Quality Technology Co., Ltd. 1F, Building 35, Changxing Technology Industrial Park, Yutang Street, Guangming District, Shenzhen, Guangdong, China; (Tel.:+86-755-23406590 website: www.ccuttest.com) This test report is limited to the above client company and the product model only. It may not be duplicated without prior permitted by Shenzhen CCUT Quality Technology Co., Ltd. Report No: DSP26031619-1E FCC Test Report Page 2 of 46 Test Report Basic Information Applicant..................................: Dongguan Huien Electronic Technology Co., Ltd Address of Applicant...............: Room 301, Building of 1, No. 429, Changdong Road, Changping Town, Dongguan city, Guangdong Province, China Manufacturer..........................: Dongguan Huien Electronic Technology Co., Ltd Address of Manufacturer........: Room 301, Building of 1, No. 429, Changdong Road, Changping Town, Dongguan city, Guangdong Province, China Product Name.........................: Earphones Brand Name.............................: - Main Model..............................: HE-067 Series Models..........................: X901 Test Standard..........................: FCC Part 15 Subpart C ANSI C63.4-2014 ANSI C63.10-2020 Date of Test .............................: 2026-04-01 to 2026-04-10 Test Result...............................: PASS Tested By ................................: (Coke Huang) Reviewed By............................: (Lorzix Luo) Authorized Signatory............: (Lahm Peng) Note : This test report is limited to the above client company and the product model only. It may not be duplicated without prior permitted by Shenzhen CCUT Quality Technology Co., Ltd.. All test data presented in this test report is only applicable to presented test sample. Report No: DSP26031619-1E FCC Test Report Page 3 of 46 CONTENTS 1. General Information ....................................................................................................................................................5 1.1 Product Information .............................................................................................................................................5 1.2 Test Setup Information..........................................................................................................................................6 1.3 Compliance Standards ...........................................................................................................................................7 1.4 Test Facilities ........................................................................................................................................................7 1.5 List of Measurement Instruments ..........................................................................................................................8 1.6 Measurement Uncertainty .....................................................................................................................................9 2. Summary of Test Results ........................................................................................................................................... 10 3. Antenna Requirement ............................................................................................................................................... 11 3.1 Standard and Limit.............................................................................................................................................. 11 3.2 Test Result .......................................................................................................................................................... 11 4. Conducted Emissions ................................................................................................................................................ 12 4.1 Standard and Limit.............................................................................................................................................. 12 4.2 Test Procedure.................................................................................................................................................... 12 4.3 Test Data and Results .......................................................................................................................................... 13 5. Radiated Emissions ................................................................................................................................................... 16 5.1 Standard and Limit.............................................................................................................................................. 16 5.2 Test Procedure.................................................................................................................................................... 16 5.3 Test Data and Results .......................................................................................................................................... 18 6. Band-edge Emissions(Radiated) ............................................................................................................................... 22 6.1 Standard and Limit.............................................................................................................................................. 22 6.2 Test Procedure.................................................................................................................................................... 22 6.3 Test Data and Results .......................................................................................................................................... 22 7. Fre…

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Dongguan Huien Electronic Technology Co., Ltd Covered Equipment Certification Attestation Letter 4/28/2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2A2BYHE-HE067 Dongguan Huien Electronic Technology Co., Ltd (“the applicant”) 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. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Dongguan Huien Electronic Technology Co., Ltd (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Dongguan Huien Electronic Technology Co., Ltd (“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Signed: Printed name: Zhang Yanfeng Title: Manager Company Name: Dongguan Huien Electronic Technology Co., Ltd Date: 4/28/2026

Report No: DSP26031619-1E FCC ID: 2A2BYHE-HE067 Annex of Test Report Annex B. EUT Internal Photos Model: HE-067 EUT Internal View 1 EUT Internal View 2 Report No: DSP26031619-1E FCC ID: 2A2BYHE-HE067 Annex of Test Report EUT Internal View 3 EUT Internal View 4 SMD Antenna SMD Antenna

Report No: DSP26031619-1E FCC ID: 2A2BYHE-HE067 Annex of Test Report Annex D. Label and Information FCC Label Sample Label Size:0.7cm*0.3cm FCC Label Specifications Text is Black in color and is justified. Labels are printed in indelible ink on permanent adhesive backing or silk-screened onto the EUT or shall be affixed at a conspicuous location on the EUT. Where the EUT is constructed in two or more sections connected by wires and marketed together, the above statement is required to be affixed only to the main control unit. When the EUT is so small or for such use that it is not practicable to place the statement on it, the above information shall be placed in a prominent location in the instruction manual or pamphlet supplied to the user or, alternatively, shall be placed on the container in which the device is marketed. FCC Label Location

Report No: DSP26031619-1E FCC ID: 2A2BYHE-HE067 Annex of Test Report Annex A. EUT External Photos Model: HE-067 EUT View 1 EUT View 2 Report No: DSP26031619-1E FCC ID: 2A2BYHE-HE067 Annex of Test Report EUT View 3 EUT View 4 Report No: DSP26031619-1E FCC ID: 2A2BYHE-HE067 Annex of Test Report EUT View 5 EUT View 6 Report No: DSP26031619-1E FCC ID: 2A2BYHE-HE067 Annex of Test Report EUT View 7

Dongguan Huien Electronic Technology Co., Ltd Model Difference Statement Dear Sir/Madam, Added models X901 basis of the original product HE-067 The color of appearance and model name of series models listed are different from the main model, but the circuit and the electronic construction are the same, declared by the manufacturer. Sincerely, Name: Zhang Yanfeng Company name: Dongguan Huien Electronic Technology Co., Ltd Address: Room 301, Building of 1, No. 429, Changdong Road, Changping Town, Dongguan city, Guangdong Province, China

DATE: April 28, 2026 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2A2BYHE-HE067 Product Name: Earphones Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commission’s rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...) • Schematics • Block diagram • Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. <Signature> Name: Zhang Yanfeng Title: Manager Company: Dongguan Huien Electronic Technology Co., Ltd

Date: April 28, 2026 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Compliance Testing, LLC to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). Sincerely, <Signature> Name: Zhang Yanfeng Title: Manager Company: Dongguan Huien Electronic Technology Co., Ltd

DATE: April 28, 2026 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint Shenzhen CCUT Quality Technology Co., Ltd. (1F, Building 35, Changxing Technology Indstrl Park Changzhen Community, Yutang Street,Shenzhen,China) to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with Dongguan Huien Electronic Technology Co., Ltd (Room 301, Building of 1, No. 429, Changdong Road, Changping Town, Dongguan city, Guangdong Province, China). <Signature> Name: Zhang Yanfeng Title: Manager Applicant Company: Dongguan Huien Electronic Technology Co., Ltd

Dongguan Huien Electronic Technology Co., Ltd U.S. Agent Letter of Attestation To: Federal Communications Commission 7435 Oakland Mills Road, Columbia, MD 21046, USA Date: April 28, 2026 Ref: Attestation Statement – Part 2.911(d)(7) filing FCC ID: 2A2BYHE-HE067 Dongguan Huien Electronic Technology Co., Ltd(“the applicant”) certifies that, as of the date of the filing of the application, CLF Import and Export Limited (“the agent”) is our designated U.S. agent for service of process for the above reference FCC ID. The applicant accepts 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. The applicant further acknowledges it is our responsibility to inform the FCC whenever the agent information changes. CLF Import and Export Limited ("the agent) understand it is the agent's obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address. Designated U.S. Agent Company Name: CLF Import and Export Limited FRN: 0033489683 Address: 1312 17th Street #692, Denver, CO 80202, United States Signature: Contact Person: David Chen Tel: +1 949 254 2565 Email: [email protected] Applicant Dongguan Huien Electronic Technology Co., Ltd FRN: 0031047020 Address: Room 301, Building of 1, No. 429, Changdong Road, Changping Town, Dongguan city, Guangdong Province, China Signature: Contact Person: Zhang Yanfeng Tel: 86-18123809176 Email: [email protected]