2AOKB-A3331LWireless Headphone

Anker Innovations Limited Section 2.911(d)(7) USA Agent for Service of Process Company name: Anker Innovations Limited Address: Unit 56, 8th Floor, Tower 2, Admiralty Centre, 18 Harcourt Road, Hong Kong FRN: 0027073105 FCC ID: 2AOKB-A3331L 2.911(d)(7) USA Designated Agent for Service of Process We, [Anker Innovations Limited] (“the applicant”) designate [Fantasia Trading LLC] NOTE1 for the purpose of accepting service of process on behalf of the applicant. Applicant consent:We Acknowledge our consent 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 of the designated agent and acknowledge our acceptance of our 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. Agent obligation:We Acknowledge our obligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email address 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. USA Agent Company name: Fantasia Trading LLC Address: 5350 Ontario Mills Pkwy, STE 100, Ontario, CA 91764, United States FRN: 0033423005 Contact Name: Louis Qi Telephone No: +1 (800)988 7973 Email: [email protected] Applicant Company name: Anker Innovations Limited Address: Unit 56, 8th Floor, Tower 2, Admiralty Centre, 18 Harcourt Road, Hong Kong Grantee Code: 2AOKB Contact Name: Louis.qi Telephone No: +86-755-86544807 Email:[email protected] Signature: Signature: Title:Compliance Manager Date:Aug. 28, 2024 Title: Compliance Manager Date: Aug. 28, 2024 NOTE 1: An applicant located in the United States may designate itself as the agent for service of process. Reference; Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-th e-communications-supply-chain-through-the

AnkerInnovationsLimited Unit56,8thFloor,Tower2,AdmiraltyCentre,18HarcourtRoad,HongKong FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:Aug.28,2024 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2AOKB-A3331L FRN:0027073105 [AnkerInnovationsLimited](“theapplicant”)certifiesthattheequipmentforwhichauthorizationis soughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. Sincerely, (Applicantsignature) (LouisQi)

AnkerInnovationsLimited Unit56,8thFloor,Tower2,AdmiraltyCentre,18HarcourtRoad,HongKong FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:Aug.28,2024 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2AOKB-A3331L FRN:0027073105 [AnkerInnovationsLimited](“theapplicant”)certifiesthat,asofthedateofthefilingoftheapplication, theapplicantisnotidentifiedontheCoveredListasanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (LouisQi)

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: Anker Innovations Limited Address: Unit 56, 8th Floor, Tower 2, Admiralty Centre, 18 Harcourt Road, Hong Kong Product Name: Wireless Headphone Model Number: A3331L FCC Identifier: 2AOKB-A3331L We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Louis Qi Date: Aug. 28, 2024 Title: General Manager Signature of applicant:

AnkerInnovationsLimited Unit56,8thFloor,Tower2,AdmiraltyCentre,18HarcourtRoad,HongKong Long/Short-termConfidentialityRequest FederalCommunicationsCommissionDate:Aug.28,2024 44512 th StreetSW Washington,DC20554 FCCID:2AOKB-A3331L ToWhomitmayconcerns, Pursuanttosections0.457(d)and0.459ofCFR47andtoavoidprematurereleaseof sensitiveinformationpriortomarketingorreleaseoftheproducttothepublic,wehereby requestslong-termconfidentialtreatmentofinformationaccompanyingthisapplicationas outlinedbelow: SchematicsPartsList BlockDiagramTune-UpInfo OperationalDescription Inadditionweherebyrequestthefollowingexhibitscontainedinthisapplicationtobe temporarily(short-termconfidentilality)withheldfromthepublicdisclosure foraninitialperiodof180daysuntil:notapplicable ExternalPhotosTestSetupPhotos InternalPhotosUsersManual Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarily releasedtothepublic.Thepublicdisclosureofthesemattersmightbeharmfultothe applicantandprovideunjustifiedbenefitstoitscompetitors. Theapplicantunderstandsthatpursuanttorule0.457(d),disclosureofthisapplicationand allaccompanyingdocumentationwillnotbemadebeforethedateoftheGRANTforthis application. Ifyouhaveanyquestions,pleasefeelfreetocontactme. Yourssincerely, Signatory Contactperson:LouisQi Title:GeneralManager

FCC ID Label Location The product does not have enough space to place the label, and FCC ID is reflected in the user manual. User manual as below:

Page 1 of 10 RF Exposure Report Report No.: AGC01110240804FH01 FCC ID : 2AOKB-A3331L APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : Wireless Headphone BRAND NAME : soundcore MODEL NAME : A3331L APPLICANT : Anker Innovations Limited DATE OF ISSUE : Aug. 28, 2024 STANDARD(S) : FCC KDB 447498 D01 V06 REPORT VERSION : V1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC01110240804FH01 Page 2 of 10 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Aug. 28, 2024 Valid Initial Release Report No.: AGC01110240804FH01 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. Mobile Device Evaluation Method and Limit ................................................................................................ 9 6. Measurement Results ................................................................................................................................... 10 7. Measurement Evaluation .............................................................................................................................. 10 Report No.: AGC01110240804FH01 Page 4 of 10 1. General Information Applicant Anker Innovations Limited Address Unit 56, 8th Floor, Tower 2, Admiralty Centre, 18 Harcourt Road, Hong Kong Manufacturer Anker Innovations Limited Address Unit 56, 8th Floor, Tower 2, Admiralty Centre, 18 Harcourt Road, Hong Kong Factory N/A Address N/A Product Designation Wireless Headphone Brand Name soundcore Test Model A3331L Date of receipt of test item Aug. 05, 2024 Date of Test Aug. 05, 2024~Aug. 27, 2024 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 Jack Gui (Project Engineer) Aug. 28, 2024 Reviewed By Calvin Liu (Reviewer) Aug. 28, 2024 Approved By Max Zhang (Authorized Officer) Aug. 28, 2024 Report No.: AGC01110240804FH01 Page 5 of 10 2. Product Information 2.1 Product Technical Description Frequency Band (Operating) Bluetooth: 2.402GHz ~ 2.480GHz Other: Hardware Version V1.2 Software Version V1.0 Modulation Type BR GFSK, EDR π /4-DQPSK, 8DPSK BLE GFSK 1Mbps GFSK 2Mbps Maximum Transmitter Power BR&EDR: 2.442dBm Bluetooth LE (1Mbps): 1.456dBm Bluetooth LE (2Mbps): 1.518dBm Device Category Portable (<20cm separation) Mobile (>20cm separation) Others: Antenna Diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Antenna Designation FPC Antenna Antenna Gain -2.6dBi Minimum Assessment Distance 5mm Evaluation Applied MPE Evaluation SAR Evaluation Report No.: AGC01110240804FH01 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.: AGC01110240804FH01 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 3.85V, 70mAh by battery Note: The Extreme Temperature and Extreme Voltages declared by the manufacturer. Report No.: AGC01110240804FH01 Page …

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CC-JL-RD-36V1.0 3 I: The report of passive data Angilent E5071C BT antenna S11 parameter：(Left ear) CC-JL-RD-36V1.0 4 Efficiency：(Left ear) BT Frequency （MHz） Efficiency （%） Efficiency (dB ) Gain (dBi) 2400 26.5 -5.8 -2.8 2410 27.9 -5.6 -2.6 2420 28.6 -5.4 -2.6 2430 27.8 -5.6 -2.7 2440 27.0 -5.7 -2.9 2450 28.0 -5.5 -2.8 2460 26.8 -5.7 -2.9 2470 27.4 -5.6 -2.8 2480 27.9 -5.5 -2.8 Average value 27.5 -5.6 -2.8 3D Antenna radiation pattern: (Left ear) unit：dBi CC-JL-RD-36V1.0 5 Antenna radiation pattern: (Left ear) Theta=90.00deg unit：dBi Phi=90.00deg unit：dBi CC-JL-RD-36V1.0 6 Phi=0.00deg unit：dBi BT antenna S11 parameter：(Right ear) CC-JL-RD-36V1.0 7 Efficiency：(Right ear) BT Frequency （MHz） Efficiency （%） Efficiency (dB ) Gain (dBi) 2400 26.2 -5.8 -2.9 2410 27.6 -5.6 -2.7 2420 28.3 -5.5 -2.7 2430 27.6 -5.6 -2.8 2440 26.7 -5.7 -2.8 2450 27.2 -5.6 -2.7 2460 25.8 -5.9 -3.0 2470 26.3 -5.8 -3.0 2480 26.3 -5.8 -3.1 Average value 26.9 -5.7 -2.9 3D Antenna radiation pattern: (Right ear) unit：dBi CC-JL-RD-36V1.0 8 Antenna radiation pattern: (Right ear) Theta=90.00deg unit：dBi Phi=90.00deg unit：dBi CC-JL-RD-36V1.0 9 Phi=0.00deg unit：dBi II：3D Active test report of antenna F4:9D:8A:26:00:4D 自由 头模 D2 Channel TRP TIS TRP TIS L CH 0 2.5 -88.5 -1.9 -84.3 CH 39 3.2 -89.9 -2.0 -84.9 CH 78 3.5 -90.4 -2.3 -84.9 AVG 3.1 -89.6 -2.1 -84.7 F4:9D:8A:25:FE:CA 自由 头模 D2 Channel TRP TIS TRP TIS R CH 0 2.7 -87.1 -1.8 -84.2 CH 39 3.6 -89.5 -2.2 -84.8 CH 78 3.9 -89.8 -2.7 -84.7 AVG 3.4 -88.8 -2.2 -84.6 OTA Standard Chamber CC-JL-RD-36V1.0 10 III：Matching circuit (Left ear) Element Value L1 0.8pF C30 2.4nH L6 NC （Right ear） Element Value L1 1.0pF C30 2.7nH L6 NC C15 modification diagram CC-JL-RD-36V1.0 11 CC-JL-RD-36V1.0 12 IV：Structure file： CC-JL-RD-36V1.0 13

Page 1 of 69 FCC Test Report Report No.: AGC01110240804FR02 FCC ID : 2AOKB-A3331L APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : Wireless Headphone BRAND NAME : soundcore MODEL NAME : A3331L APPLICANT : Anker Innovations Limited DATE OF ISSUE : Aug. 28, 2024 STANDARD(S) : FCC Part 15 Subpart C §15.247 REPORT VERSION : V1.0 Attestation Of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC01110240804FR02 Page 2 of 69 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Aug. 28, 2024 Valid Initial Release Report No.: AGC01110240804FR02 Page 3 of 69 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 ........................................................................................................... 13 4.5 Summary of Test Results ........................................................................................................................... 14 5. Description of Test Modes ........................................................................................................................... 15 6. Duty Cycle Measurement ............................................................................................................................. 16 7. RF Output Power Measurement .................................................................................................................. 17 7.1 Provisions Applicable ................................................................................................................................. 17 7.2 Measurement Procedure ........................................................................................................................... 17 7.3 Measurement Setup (Block Diagram of Configuration) ............................................................................ 17 7.4 Measurement Result ................................................................................................................................. 18 8. 6dB Bandwidth Measurement ...................................................................................................................... 22 8.1 Provisions Applicable ................................................................................................................................. 22 8.2 Measurement Procedure ........................................................................................................................... 22 8.3 Measurement Setup (Block Diagram of Configuration) ............................................................................ 22 8.4 Measurement Results ................................................................................................................................ 23 9. Power Spectral Density Measurement ........................................................................................................ 30 9.1 Provisions Applicable ......................................................................................…

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