2AOKB-A3330Wireless Headphone

Anker Innovations Limited 2.911 (d)(7)USA Agent v1.2 Section 2.911(d)(7) USA Agent for Service of Process Company name: Anker Innovations Limited Address: Room 1318-19, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hongkong FRN: 0027073105 FCC ID: 2AOKB-A3330 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: Room 1318-19, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hongkong Grantee Code: 2AOKB Contact Name: Louis.qi Telephone No: +86-755-86544807 Email:[email protected] Signature: Signature: Title:Compliance Manager Date:Jan. 24, 2024 Title: Compliance Manager Date: Jan. 24, 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

Anker Innovations Limited Room 1318-19, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hongkong Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Jan. 24, 2024 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2AOKB-A3330 FRN: 0027073105 [Anker Innovations Limited] (“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. Sincerely, (Applicant signature) (Louis Qi)

Anker Innovations Limited Room 1318-19, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hongkong Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Jan. 24, 2024 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2AOKB-A3330 FRN: 0027073105 [Anker Innovations Limited] (“the applicant”) 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, (Applicant signature) (Louis Qi)

C5266091_X8_Ed.1 1/1 Letter of Authorization Anker Innovations Limited Room 1318-19, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hongkong Company: Anker Innovations Limited Address: Room 1318-19, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hongkong Product Name: Wireless Headphone Model Number: A3330 FCC Identifier: 2AOKB-A3330 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: Jan. 24, 2024 Title: General Manager Signature of applicant:

Anker InnovationsLimited Room1318-19,HollywoodPlaza,610 NathanRoad,Mongkok,Kowloon,Hongkong Long/Short-termConfidentialityRequest FederalCommunicationsCommissionDate: Jan. 24, 2024 445 12 th StreetSW Washington,DC 20554 FCC ID:2AOKB-A3330 To Whomit may concerns, Pursuantto sections0.457(d)and 0.459of CFR 47 and to avoid prematurereleaseof sensitiveinformationprior to marketingor releaseof the productto the public,we hereby requestslong-termconfidentialtreatmentof informationaccompanyingthis applicationas outlinedbelow: SchematicsPartsList BlockDiagramTune-UpInfo OperationalDescriptionAntennaSpecificationFCC_Confidential In additionwe herebyrequestthe followingexhibitscontainedin this applicationto be temporarily(short-termconfidentilality)withheldfrom the publicdisclosure for an initial periodof 180daysuntil:not applicable ExternalPhotosTestSetupPhotos InternalPhotosUsersManual The abovematerialscontaintrade secretsand proprietaryinformationnot customarily releasedto the public.The publicdisclosureof thesemattersmightbe harmfulto the applicantand provideunjustifiedbenefitsto its competitors. The applicantunderstandsthat pursuantto rule 0.457(d),disclosureof this applicationand all accompanyingdocumentationwill not be made beforethe date of the GRANTfor this application. If you have any questions,pleasefeel free to contactme. Yourssincerely, Signatory Contactperson:Louis Qi 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:

CALIBRATION DATA PROBE CALIBRATION DATA DIPOLE CALIBRATION DATA

Page 1 of 37 SAR Test Report Report No.: AGC01110240117FH01 FCC ID : 2AOKB-A3330 APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : Wireless Headphone BRAND NAME : soundcore MODEL NAME : A3330 APPLICANT : Anker Innovations Limited DATE OF ISSUE : Jan. 19, 2024 STANDARD(S) : IEEE Std. 1528:2013 FCC 47 CFR Part 2§2.1093 IEEE Std C95.1 ™-2005 REPORT VERSION : V1.0 Attestation of Global Compliance(Shenzhen) Co., Ltd. Report No.: AGC01110240117FH01 Page 2 of 37 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Jan. 19, 2024 Valid Initial Release Report No.: AGC01110240117FH01 Page 3 of 37 Test Report Applicant Name Anker Innovations Limited Applicant Address Room 1318-19, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, HongKong Manufacturer Name Anker Innovations Limited Manufacturer Address Room 1318-19, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, HongKong Factory Name N/A Factory Address N/A Product Designation Wireless Headphone Brand Name soundcore Model Name A3330 EUT Voltage DC 3.85V by battery Applicable Standard IEEE Std. 1528:2013 FCC 47 CFR Part 2§2.1093 IEEE Std C95.1 ™-2005 Date of receipt of test item Jan. 10, 2024 Test Date Jan. 12, 2024 Report Template AGCRT-US-2.4GHz BT/SAR (2021-04-20) Note: The results of testing in this report apply to the product/system which was tested only. Prepared By Thea Huang (Project Engineer) Jan. 19, 2024 Reviewed By Calvin Liu (Reviewer) Jan. 19, 2024 Approved By Max Zhang (Authorized Officer) Jan. 19, 2024 Report No.: AGC01110240117FH01 Page 4 of 37 TABLE OF CONTENTS 1. SUMMARY OF MAXIMUM SAR VALUE ......................................................................................................... 5 2. GENERAL INFORMATION ............................................................................................................................... 6 2.1. EUT DESCRIPTION......................................................................................................................................... 6 3. SAR MEASUREMENT SYSTEM ........................................................................................................................ 7 3.1. THE SATIMO SYSTEM USED FOR PERFORMING COMPLIANCE TESTS CONSISTS OF FOLLOWING ITEMS .................. 7 3.2. COMOSAR E-FIELD PROBE .......................................................................................................................... 8 3.3. ROBOT .......................................................................................................................................................... 8 3.4. VIDEO POSITIONING SYSTEM .......................................................................................................................... 9 3.5. DEVICE HOLDER ............................................................................................................................................ 9 3.6. SAM TWIN PHANTOM ................................................................................................................................... 10 4. SAR MEASUREMENT PROCEDURE .............................................................................................................. 11 4.1. SPECIFIC ABSORPTION RATE (SAR) .............................................................................................................. 11 4.2. SAR MEASUREMENT PROCEDURE ................................................................................................................ 12 4.3. RF EXPOSURE CONDITIONS ......................................................................................................................... 14 5. TISSUE SIMULATING LIQUID ......................................................................................................................... 16 5.1. THE COMPOSITION OF THE TISSUE SIMULATING LIQUID..................................................................................... 16 5.2. TISSUE DIELECTRIC PARAMETERS FOR HEAD AND BODY PHANTOMS ............................................................... 16 5.3. TISSUE CALIBRATION RESULT ....................................................................................................................... 17 6. SAR SYSTEM CHECK PROCEDURE ........................................................................................................... 18 6.1. SAR SYSTEM CHECK PROCEDURES ............................................................................................................. 18 6.2. SAR SYSTEM CHECK ................................................................................................................................... 19 7. EUT TEST POSITION ...................................................................................................................................... 21 7.1. TEST POSITION ............................................................................................................................................ 21 8. SAR EXPOSURE LIMITS ............................................................................................................................... 22 9. TEST FACILITY .............................................................................................................................................. 23 10. TEST EQUIPMENT LIST .............................................................................................................................. 24 11. MEASUREMENT UNCERTAINTY ................................................................................................................ 25 12. CONDUCTED POWER MEASUREMENT ..................................................................................................... 28 13. TEST RESULTS ........................................................................................................................................... 29 13.1. SAR TEST RESULTS SUMMARY......................…

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Impedance Plot for SN 29/15 DIP 2G450-393 2450 Head Calibrated impedance：52.3Ω+3.4jΩ；Measurement impedance:55.8Ω+1.6 jΩ(within 5Ω) Calibrated return loss：-27.80dB；Measurement return loss: -24.53dB(within 20%)

ATN antenna Shenzhen ATN commucation co.,Ltd Customer： Mees Project name S60 date Jan 19,2024 band 2.4G-2.48GHz Report version V1.0 Antenna type FPC，monopole,antenna model:ATN1478 Antenna test report Address:505,Buiding 2,Mei sheng chuang gu,NO.10 Longchang Road,Xin’an Street,Bao’an District,Shenzhen,Guangdong,China ATN antenna Test system ATN antenna Antenna size unit: mm silk screen bright black ATN antenna 1.Match circuit 2.Passive test data 3.OTA test data 4.Distance test Catalog ATN antenna Element Value E1(0201) 1.0pF(GRM0335C1H1R0BA01D) E2(0201) 0Ω E3(0201) NC 1.match circuit Antenna RF Module E1 E3 E2 ATN antenna 2.Passive data 2.1 S11 Parameter ATN antenna 2.2 Gain & Efficiency Freq Effi Effi Gain (MHz) (%) (dB) (dBi) 2400 35 -4.56 -0.58 2410 36.02 -4.43 -0.75 2420 34.11 -4.67 -0.81 2430 35.61 -4.48 -0.74 2440 35.82 -4.46 -0.68 2450 38.17 -4.18 -0.56 2460 38.85 -4.11 -0.31 2470 39.08 -4.08 -0.35 2480 37.65 -4.24 -0.59 ATN antenna 2.3 Radiation pattern(Gain unit:dBi) ATN antenna ATN antenna ATN antenna 3.OTA test data band channel TRP(dBm) TIS（dBm） Bluetooth BR(L) 0 7.1 -90.3 39 7.7 -90.7 78 7.3 -89.3 band channel TRP(dBm) TIS（dBm） Bluetooth BR(R) 0 6.6 -89.6 39 7.2 -90.1 78 7.2 -88.3 ATN antenna Mobile phone SAMSUNG S8 Distance (360°) 16m 4.Distance test

Page 1 of 68 FCC Test Report Report No.: AGC01110240105FR01 FCC ID : 2AOKB-A3330 APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : Wireless Headphone BRAND NAME : soundcore MODEL NAME : A3330 APPLICANT : Anker Innovations Limited DATE OF ISSUE : Jan. 11, 2024 STANDARD(S) : FCC Part 15 Subpart C §15.247 REPORT VERSION : V1.0 Attestation Of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC01110240105FR01 Page 2 of 68 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Jan. 11, 2024 Valid Initial Release Report No.: AGC01110240105FR01 Page 3 of 68 Table of Contents 1. General Information ........................................................................................................................................ 5 2. Product Information ........................................................................................................................................ 6 2.1 Product Technical Description ..................................................................................................................... 6 2.2 Test Frequency List ..................................................................................................................................... 6 2.3 Related Submittal(S) / Grant (S) ................................................................................................................. 7 2.4 Test Methodology......................................................................................................................................... 7 2.5 Special Accessories ..................................................................................................................................... 7 2.6 Equipment Modifications ............................................................................................................................. 7 2.7 Antenna Requirement .................................................................................................................................. 7 3. Test Environment ............................................................................................................................................ 8 3.1 Address of the Test Laboratory .................................................................................................................... 8 3.2 Test Facility .................................................................................................................................................. 8 3.3 Environmental Conditions ........................................................................................................................... 9 3.4 Measurement Uncertainty ........................................................................................................................... 9 3.5 List of Equipment Use ............................................................................................................................... 10 4.System Test Configuration ............................................................................................................................ 12 4.1 EUT Configuration ..................................................................................................................................... 12 4.2 EUT Exercise ............................................................................................................................................. 12 4.3 Configuration of Tested System ................................................................................................................ 12 4.4 Equipment Used In Tested System ........................................................................................................... 12 4.5 Summary of Test Results ........................................................................................................................... 13 5. Description of Test Modes ........................................................................................................................... 14 6. Duty Cycle Measurement ............................................................................................................................. 15 7. RF Output Power Measurement .................................................................................................................. 16 7.1 Provisions Applicable ................................................................................................................................. 16 7.2 Measurement Procedure ........................................................................................................................... 16 7.3 Measurement Setup (Block Diagram of Configuration) ............................................................................ 16 7.4 Measurement Result ................................................................................................................................. 17 8. 6dB Bandwidth Measurement ...................................................................................................................... 21 8.1 Provisions Applicable ................................................................................................................................. 21 8.2 Measurement Procedure ........................................................................................................................... 21 8.3 Measurement Setup (Block Diagram of Configuration) ............................................................................ 21 8.4 Measurement Results ................................................................................................................................ 22 9. Power Spectral Density Measurement ........................................................................................................ 29 9.1 Provisions Applicable ......................................................................................…

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