2A6I4-H2Wireless Headphones

H2 Wireless Headphones User Manual 1. Product Overview 1.Multi-function Button 2.Volume + Button 3.Volume – Button 4.Mute Button 5.Module Release Switch 6.Single-Ear Module 7.Dual-Ear Module 8.Charging Port 9.Power Switch 10.Right Headband Adjustment 11.Module Lock Switch 12.Left Headband Adjustment 2.Two Modes: This headset supports single-ear and dual-ear modes. Modules can be swapped as needed. 3.LED Indicator Status Pairing Mode: Red and blue lights flash alternately Charging: Red light stays on Fully Charged: Blue light stays on 4.How to Use Power On / Off Power On: Slide the power switch upward Power Off: Slide the power switch downward Bluetooth Pairing Turn on the headset — the red and blue lights will flash alternately. Enable Bluetooth on your phone. Select ―H2‖ from the device list to connect. 5. Button Functions Volume Up: Press Volume + once Volume Down: Press Volume – once Next Track: Press and hold Volume + Previous Track: Press and hold Volume – Play / Pause: Press the Multi-function Button once Answer Call: Press the Multi-function Button once End Call: Press the Multi-function Button once Reject Call: Press and hold the Multi-function Button for 2 seconds Activate Voice Assistant: Press and hold the Multi-function Button for 3 seconds 6. Specifications Bluetooth Version: 5.3 Supported Profiles: A2DP v1.3, AVRCP v1.5, HFP v1.6, HSP v1.2 Frequency Response: 20Hz – 20kHz Speaker Diameter: 40 mm Impedance: 32 Ω Speaker Power: 40 MW Battery: Lithium-polymer, 500 mAh Music Playback Time: Up to 35 hours Talk Time: Up to 30 hours Standby Time: Up to 240 hours Charging Time: Approx. 2.5 hours Wireless Range: 10–15 m (open area) 7. Important Safety Notes Do not expose the headset to fire or extreme heat. Do not place the product near open flames. Store the headset in a dry place when not in use. Do not use the headset in heavy rain. Avoid prolonged exposure to direct sunlight. Do not rinse or submerge the product in water. Module Safety: Do not forcefully remove or insert modules when locked. Ensure modules are fully inserted before locking. Always lock modules after replacement. 8.Package Contents H2 Bluetooth Headphones × 1 Dual-Ear Module × 1 Single-Ear Module × 1 Charging Cable × 1 User Manual × 1 NOTE: 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 Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. FCC RF Exposure Warning Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment can be used in portable exposure conditions.

Shenzhen Corsran Technology Co., Ltd. Room 205, Buliding F, NO.148, Linagxia Road, Fenghuang, Fuyong, Bao'An District, Shenzhen, Gauangdong, China 1 | P a g e Attestation Statements To: Federal Communications Commission Date: Mar. 24, 2026 7435 Oakland Mills Road, Columbia, MD 21046, USA Subject: Attestation of Compliance with FCC Covered List Software Requirements FCC ID: 2A6I4-H2 Product Name: Wireless Headphones This letter serves as an attestation that the equipment identified above ☐ is / ☒ is not (select one) "covered" software as defined under the Federal Communications Commission (FCC) Covered List requirements, as outlined in FCC 22-84 and KDB 986446. Specifically, the undersigned certifies that the equipment for which authorization is sought: 1. Does not contain cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors, assignees, parents, subsidiaries, affiliates, or any entity that has rebranded or relabeled software produced by the aforementioned entities. 2. Does not have the capability to store, run, or deliver any software identified on the FCC Covered List, including but not limited to cybersecurity and anti-virus software. To support this attestation, the appendix evaluation documentation has been prepared and is included in the certification filing. This attestation is based on a thorough evaluation of the device's design, functionality, and software environment. The undersigned affirms that the information provided is accurate and complete to the best of their knowledge. Sincerely yours, Applicant Signature Printed Name: Jane Zhang Title: Manager Address: Room 205, Buliding F, NO.148, Linagxia Road, Fenghuang, Fuyong, Bao'An District, Shenzhen, Gauangdong, China Tel.: 86-755-86208670 Email: [email protected] Shenzhen Corsran Technology Co., Ltd. Room 205, Buliding F, NO.148, Linagxia Road, Fenghuang, Fuyong, Bao'An District, Shenzhen, Gauangdong, China 2 | P a g e Evaluation regarding to the Covered List Software: Compliance Methodology Evaluation Process Results Device is Inherent compliance ☒ The Chipset(s) used is limited to run the Cybersecurity or anti-virus software. Compliance ☐ The Memory used is limited to run the Cybersecurity or anti-virus software. Compliance ☐ There is storage capacity limitation for store or install the Cybersecurity or anti-virus software. Compliance ☐ Operating system used is limited to run, install or deliver the Cybersecurity or anti-virus software. Compliance Device is not Inherent compliance ☐ Evaluation Based on Software Bill of Materials (SBoM) See attached “SBoM“ Note:The SBoM content is limited to the scope of covered list software (e.g. antivirus and cybersecurity software). ☐ Evaluation Based on Scan for Software on the device ☐ Evaluation Based on Filesystem scan ☐ Evaluation Based on Running software check

Shenzhen Corsran Technology Co., Ltd. Room 205, Buliding F, NO.148, Linagxia Road, Fenghuang, Fuyong, Bao'An District, Shenzhen, Gauangdong, China Attestation Statements Not Covered Entity Applicant & Not Covered Equipment To: Federal Communications Commission Date: Mar. 24, 2026 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i) & (ii) FCC ID: 2A6I4-H2 FRN: 0032280406 Shenzhen Corsran 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, established pursuant to § 1.50002 of reference chapter, as an entity producing “covered” communication equipment. The equipment for which authorization is sought is not “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List that prohibited from receiving an equipment authorization pursuant to section § 2.903 of the FCC rules. Sincerely yours, Applicant Signature Printed Name: Jane Zhang Title: Manager Address: Room 205, Buliding F, NO.148, Linagxia Road, Fenghuang, Fuyong, Bao'An District, Shenzhen, Gauangdong, China Tel.: 86-755-86208670 Email: [email protected]

Shenzhen Corsran Technology Co., Ltd. Room 205, Buliding F, NO.148, Linagxia Road, Fenghuang, Fuyong, Bao'An District, Shenzhen, Gauangdong, China (Mar. 24, 2026) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization for FCC ID: 2A6I4-H2 I, the undersigned, hereby authorize (Attestation of Global Compliance (Shenzhen) Co., Ltd) to act on our behalf in all matters relating to this application for equipment certification. Any act carried out by (Attestation of Global Compliance (Shenzhen) Co., Ltd) shall have the same effect as our own and I acknowledge that all responsibility for complying with the terms and conditions of certification, as specified by DERYCOM CERTIFICATION SERVICES, INC., still resides with (Shenzhen Corsran Technology Co., Ltd.). We certify that we are not subject to a denial of federal benefits that includes FCC benefits pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862, and that no party to the application, as defined in 47 CFR §1.2002(b), is subject to a denial of federal benefits that includes FCC benefits pursuant to that section. Sincerely, (Signature) Printed Name: Jane Zhang Title: General Manager Tel.: 86-755-86208670 Email: [email protected]

Shenzhen Corsran Technology Co., Ltd. Room 205, Buliding F, NO.148, Linagxia Road, Fenghuang, Fuyong, Bao'An District, Shenzhen, Gauangdong, China Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Mar. 24, 2026 Subject; Request for Confidentiality FCC ID: 2A6I4-H2 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description Parts List In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Jane Zhang Title: Manager

Report No.: AGC01251260301AP02 Page 1 of 4 EXTERNAL PHOTOS ALL VIEW OF EUT TOP VIEW OF EUT Report No.: AGC01251260301AP02 Page 2 of 4 BOTTOM VIEW OF EUT FRONT VIEW OF EUT Report No.: AGC01251260301AP02 Page 3 of 4 BACK VIEW OF EUT LEFT VIEW OF EUT Report No.: AGC01251260301AP02 Page 4 of 4 RIGHT VIEW OF EUT ****************************************End of Report*************************************

FCC ID Label Location T FCC ID: 2A6I4-H2 20mm*20mm

Report No.: AGC01251260301AP02 Page 1 of 4 INTERNAL PHOTOS OPEN VIEW OF EUT INTERNAL VIEW OF EUT (FIGURE 1) Report No.: AGC01251260301AP02 Page 2 of 4 INTERNAL VIEW OF EUT (FIGURE 2) INTERNAL VIEW OF EUT (FIGURE 3) Report No.: AGC01251260301AP02 Page 3 of 4 INTERNAL VIEW OF EUT (FIGURE 4) INTERNAL VIEW OF EUT (FIGURE 5) BT Antenna Report No.: AGC01251260301AP02 Page 4 of 4 BATTERY VIEW OF EUT ****************************************End of Report*************************************

Page 1 of 10 RF Exposure Report Report No.: AGC01251260301FH01 FCC ID : 2A6I4-H2 APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : Wireless Headphones BRAND NAME : N/A MODEL NAME : H2 APPLICANT : Shenzhen Corsran Technology Co., Ltd. DATE OF ISSUE : Mar. 24, 2026 STANDARD(S) : FCC Part 2 Subpart J §2.1093 FCC KDB 447498 D01 V06 REPORT VERSION : V1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC01251260301FH01 Page 2 of 10 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Mar. 24, 2026 Valid Initial Release Report No.: AGC01251260301FH01 Page 3 of 10 Table of Contents 1. General Information ........................................................................................................................................ 4 2. Product Information ........................................................................................................................................ 5 2.1 Product Technical Description ................................................................................................................... 5 3. Test Environment ............................................................................................................................................ 6 3.1 Address Of The Test Laboratory ............................................................................................................... 6 3.2 Test Facility ................................................................................................................................................ 6 3.3 Environmental Conditions ......................................................................................................................... 7 4. Portable Device Evaluation Method and Limit ............................................................................................. 8 5. Measurement Results ..................................................................................................................................... 9 6. Measurement Evaluation ................................................................................................................................ 9 Report No.: AGC01251260301FH01 Page 4 of 10 1. General Information Applicant Shenzhen Corsran Technology Co., Ltd. Address Room 205, Buliding F, NO.148, Linagxia Road, Fenghuang, Fuyong, Bao'An District, Shenzhen, Gauangdong, China Manufacturer Shenzhen Corsran Technology Co., Ltd. Address Room 205, Buliding F, NO.148, Linagxia Road, Fenghuang, Fuyong, Bao'An District, Shenzhen, Gauangdong, China Factory Shenzhen Corsran Technology Co., Ltd. Address Room 205, Buliding F, NO.148, Linagxia Road, Fenghuang, Fuyong, Bao'An District, Shenzhen, Gauangdong, China Product Designation Wireless Headphones Brand Name N/A Test Model H2 Series Model(s) N/A Difference Description N/A Date of receipt of test item Mar. 05, 2026 Date of Test Mar. 05, 2026 to Mar. 24, 2026 Deviation from Standard No any deviation from the test method Condition of Test Sample Normal Test Result Pass Test Report Form No AGCER-FCC-RF Exposure-V1 Note: The test results of this report relate only to the tested sample identified in this report. Prepared By Jasiel Xie (Project Engineer) Mar. 24, 2026 Reviewed By Jack Gui (Reviewer) Mar. 24, 2026 Approved By Angela Li (Authorized Officer) Mar. 24, 2026 Report No.: AGC01251260301FH01 Page 5 of 10 2. Product Information 2.1 Product Technical Description Frequency Band (Operating) Bluetooth: 2.402GHz ~ 2.480GHz Other: Hardware Version V1.5 Software Version V1.0 Modulation Type BR GFSK, EDR π /4-DQPSK, 8DPSK BLE GFSK 1Mbps GFSK 2Mbps Maximum Transmitter Power BR_EDR: 5.185dBm LE_1Mbps: 5.175dBm LE_2Mbps: 5.224dBm Device Category Portable (<20cm separation) Mobile (>20cm separation) Others: Antenna Diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Antenna Designation PCB Antenna Antenna Gain 1.36dBi Minimum Assessment Distance 5mm Evaluation Applied MPE Evaluation SAR Evaluation Report No.: AGC01251260301FH01 Page 6 of 10 3. Test Environment 3.1 Address Of The Test Laboratory Laboratory: Attestation of Global Compliance (Shenzhen) Co., Ltd. Address: 1-2/F, Building 19, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China 3.2 Test Facility The test facility is recognized, certified, or accredited by the following organizations: CNAS-Lab Code: L5488 Attestation of Global Compliance (Shenzhen) Co., Ltd. has been assessed and proved to follow CNAS-CL01 Accreditation Criteria for Testing and Calibration Laboratories (identical to ISO/IEC17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories.) A2LA-Lab Cert. No.: 5054.02 Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory has been accredited by A2LA for technical competence in the field of electrical testing, and proved to follow ISO/IEC 17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories and any additional program requirements in the identified field of testing. FCC-Registration No.: 975832 Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory 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 with Registration 975832. IC-Registration No.: 24842(CAB identifier: CN0063) Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory has been registered and fully described in a report filed with the Certification and Engineering Bureau of Industry Canada. The acceptance letter from the IC is maintained in our files with Registration 24842. Report No.: AGC01251260301FH01 Page 7 of 10 3.3 Environmental Conditions NORMAL CONDITIONS Temperature range (°C) 15 - 35 Relative humidity range 20 % - 75 % Pressure range (kPa) 86 - 106 Power supply DC 3.7V by…

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Page 1 of 61 FCC Test Report Report No.: AGC01251260301FR02 FCC ID : 2A6I4-H2 APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : Wireless Headphones BRAND NAME : N/A MODEL NAME : H2 APPLICANT : Shenzhen Corsran Technology Co., Ltd. DATE OF ISSUE : Mar. 24, 2026 STANDARD(S) : FCC Part 15 Subpart C §15.247 REPORT VERSION : V1.0 Attestation Of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC01251260301FR02 Page 2 of 61 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Mar. 24, 2026 Valid Initial Release Report No.: AGC01251260301FR02 Page 3 of 61 Table of Contents 1. General Information ........................................................................................................................................ 5 2. Product Information ........................................................................................................................................ 6 2.1 Product Technical Description ................................................................................................................... 6 2.2 Test Frequency List ................................................................................................................................... 7 2.3 Related Submittal(S) / Grant (S) ............................................................................................................... 8 2.4 Test Methodology ...................................................................................................................................... 8 2.5 Special Accessories .................................................................................................................................. 8 2.6 Equipment Modifications ........................................................................................................................... 8 2.7 Antenna Requirement................................................................................................................................ 8 3. Test Environment ............................................................................................................................................ 9 3.1 Address of the Test Laboratory ................................................................................................................. 9 3.2 Test Facility ................................................................................................................................................ 9 3.3 Environmental Conditions ....................................................................................................................... 10 3.4 Measurement Uncertainty ....................................................................................................................... 10 3.5 List of Equipment Use .............................................................................................................................. 11 4. System Test Configuration ........................................................................................................................... 13 4.1 EUT Configuration ................................................................................................................................... 13 4.2 EUT Exercise ........................................................................................................................................... 13 4.3 Configuration of Tested System .............................................................................................................. 13 4.4 Equipment Used In Tested System ........................................................................................................ 14 4.5 Summary of Test Results ........................................................................................................................ 15 5. Description of Test Modes ........................................................................................................................... 16 6. Duty Cycle Measurement ............................................................................................................................. 17 7. RF Output Power Measurement .................................................................................................................. 18 7.1 Provisions Applicable .............................................................................................................................. 18 7.2 Measurement Procedure ......................................................................................................................... 18 7.3 Measurement Setup (Block Diagram of Configuration) .......................................................................... 18 7.4 Measurement Result ............................................................................................................................... 19 8. 6dB Bandwidth Measurement ...................................................................................................................... 23 8.1 Provisions Applicable .............................................................................................................................. 23 8.2 Measurement Procedure ......................................................................................................................... 23 8.3 Measurement Setup (Block Diagram of Configuration) .......................................................................... 23 8.4 Measurement Results ............................................................................................................................. 24 9. Power Spectral Density Measurement ........................................................................................................ 31 9.1 Provisions Applicable .............................................................................................................................. 31 9.2 Measuremen…

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CUSTOMER: SPECIFICATION FOR APPROVED PRODUCTS: PCB Antenna PART NO: Spec.: Data: 2026.03.02 SUPPLIER PREPARED BY CHECKED BY APPROVED BY CUSTOMER ACCEPTED BY CHECKED BY APPROVED BY REMARK:Please send us one(or copy)of this approval with stamp after accepting,other copies filed by the customer. Tel: 18820170917 Fax: 0755-26976277 ShenZhen City Flink Wi Technology CO.,LTD. ADDRESS： 606 Huachuangda Business Building, Yu'an 1st Road, Bao'an 45 District, Shenzhen !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ! F -S008-F5 - 1 - ! Antenna plate PCB Antenna Model name Antenna gain 1.36dBi Manufacturers Guangzhou CHS Electronic Technology Co.,Ltd Frequency range 2.4GHZ-2.5GHZ Trademark CHS 1 .antenna dimension（mm） c, antenna direction !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ! F-S008-F5 - 2 - ! 2，antenna specification Bluetooth mechanical specifiction 2400-2500MHZ Electrical specifications Frequency range （ MHz ） 2400- 2500 Gain （ dBi ） 1.36 dBi Impedance ( Ω ) 50 VSWR ≤ 2.0 （ Center frequency ） Mechanical specifications Operation Temperature ( °C ) - 40 ̊ C ~ +85 ̊C Humidity (%) 5~95 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ! F-S008-F5 - 3 - ! 3.Gain 4.INSERTION LOSS/RETURN LOSS/VSWR !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ! F-S008-F5 - 4 - ! 5.3D Pattern 2400MHZ 2440MHZ !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ! F-S008-F5 - 5 - ! 2480MHZ

Report No.: AGC01251260301AP01 Page 1 of 2 TEST SETUP PHOTOS RADIATED EMISSION TEST SETUP BELOW 1GHz RADIATED EMISSION TEST SETUP ABOVE 1GHz Report No.: AGC01251260301AP01 Page 2 of 2 RF CONDUCTED TEST SETUP ****************************************End of Report*************************************