2AOKB-A3871RWireless Headphone

Version V1  With Detachable Neckband (During Workout) 18-month limited warranty ΓΩϭΩΣϣ ˱ ΍έϬη18ΔϧΎϣο 18 Monate beschränkte Herstellergarantie | Garantía limitada de 18 meses | Garantie limitée de | 18 mois Garanzia limitata 18 mesi | | | ⚡剢餘⥂劍 | ⦐剢剣ꣳ ⥂㔿 _PHVHVGHJDUDQWLDOLPLWDGD_D\OñNVñQñUOñ*DUDQWL R-R-AIl-A3871L R-R-AIl-A3871R Left Earbud (A3871L) FCC ID: 2AOKB-A3871L IC: 23451-A3871L Right Earbud (A3871R) FCC ID: 2AOKB-A3871R IC: 23451-A3871R Model: A3871 / A3871L / A3871R 51008000669 V1 soundcore AeroFit Pro soundcore AeroFit Pro oFioFooFioFroFitoFoF Pairing Scan to View User Guide For FAQs and more support information, please visit: Without Detachable Neckband (Daily Use) soundcore AeroFit Pro Quick Start Guide 210-217382 210-217385 Input: 5V 1.2A Output: 5V 0.5A (0.25A per port)  soundcore AeroFit Pro Quick Start Guide soundcore AeroFit Pro soundcore AeroFit Pro oFioFoFioFroFitoFoF Pairing With Detachable Neckband (During Workout) Without Detachable Neckband (Daily Use) 18-month limited warranty ΓΩϭΩΣϣ ˱ ΍έϬη18ΔϧΎϣο 18 Monate beschränkte Herstellergarantie | Garantía limitada de 18 meses | Garantie limitée de | 18 mois Garanzia limitata 18 mesi | | | ⚡剢餘⥂劍 | ⦐剢剣ꣳ⥂㔿 | 18 meses de garantia OLPLWDGD_D\OñNVñQñUOñ*DUDQWL R-R-AIl-A3871L R-R-AIl-A3871R Left Earbud (A3871L) FCC ID: 2AOKB-A3871L IC: 23451-A3871L Right Earbud (A3871R) FCC ID: 2AOKB-A3871R IC: 23451-A3871R Model: A3871 / A3871L / A3871R 51008000669 V1 Scan to View User Guide For FAQs and more support information, please visit: Input: 5V 1.2A Output: 5V 0.5A (0.25A per port) 210-217382 210-217385

A3871 51005004185 V1 EN 01 Important Safety Instructions • Avoid dropping. • Do not disassemble. • Avoid extreme temperatures. • Use original or certified cables. • Do not wear the product while charging. • Do not use any corrosive cleaner or oil to clean. • Do not use the product outdoors during thunderstorms. • Keep out of the reach of children. The product contains small parts which may be a choking hazard. • The battery shall not be exposed to excessive heat such as sunshine, fire or the like. • Do not use the product in environments with too high or too low temperatures, and never expose the product to strong sunshine or very wet environments. • Ensure there is no liquid, sweat or water on the charging port when charging. • Refer to your user manual for your earphones' waterproof level and follow the corresponding instructions. ￮ For IPX4: Do not expose earphones to dripping or splashing water. ￮ For IPX4, IPX5, and IPX6: Do not submerge earphones in water. Hearing Safety • To avoid hearing damage, do not listen for extended periods at high volume. • Do not turn the volume so high that you’re unable to hear your surroundings. • Do not use earphones while driving. • You should use caution or temporarily discontinue use in potentially hazardous situations. The product generates stronger permanent magnetic fields that could cause interference with cardiac pacemakers, implanted defibrillators (ICDs) and other implants. Always maintain a distance of at least 3.94 ′′ /10 cm between the product component containing the magnet (earbuds and charging case) and the cardiac pacemaker, implanted defibrillator, or other implant. Notice This product complies with the radio interference requirements of the European Community. Declaration of Conformity Hereby, Anker Innovations Limited declares that this product is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: https://www.soundcore.com. This product complies with the radio interference requirements of the United Kingdom. Declaration of Conformity Hereby, Anker Innovations Limited declares that this product is in compliance with Radio Equipment Regulations 2017. The full text of the UK declaration of conformity is available at the following internet address: https://www.soundcore.com. Maximum output power: 9.0dBm Frequency band: 2.4G band (2.402GHz-2.480GHz) 02 ENEN 03 This symbol means the product must not be discarded as household waste, and should be delivered to an appropriate collection facility for recycling. Follow local rules and never dispose of the product and rechargeable batteries with normal household waste. Correct disposal of old products and rechargeable batteries helps prevent negative consequences for the environment and human health. This symbol indicates "separate collection" for all batteries and accumulators. Danger of explosion if battery is incorrectly replaced. To reduce risk of fire, explosion or leakage of flammable liquid/gas, don't disassemble, crush, puncture, short external contacts, expose to temperature above 60°C (140°F), sunshine or like, expose to extremely low air pressure or dispose of in fire or water. Replace only with specified batteries. High or low extreme temperatures that a battery can be subjected to during use, storage or transportation: • During use: maximum 40°C (104°F) • Storage: -20 - 45°C (-4 - 113°F) • Transportation: 5 - 35°C (41 - 95°F) FCC Statement This product 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. Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. Radiation Exposure Statement The highest SAR value reported under this standard during product certification for use next to the head with the minimum separation distance of 0mm. This transmitter must not be collocated or operating in conjunction with any other antenna or transmitter. The following importer is the responsible party. Company Name: Fantasia Trading LLC Address: 5350 Ontario Mills Pkwy, Suite 100, Ontario, CA 91764 Telephone: +1 (800) 988 7973 IC NOTICE TO CANADIAN USERS This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada's licence-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation of the device. L'émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d'Innovation, Sciences et Développe…

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AnkerInnovationsLimited Room1318-19,HollywoodPlaza,610NathanRoad,Mongkok,Kowloon,Hongkong FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:Sep.05,2023 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2AOKB-A3871R [AnkerInnovationsLimited](“theapplicant”)certifiesthattheequipmentforwhichauthorizationis soughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. Sincerely, (Applicantsignature) (LouisQi)

AnkerInnovationsLimited Room1318-19,HollywoodPlaza,610NathanRoad,Mongkok,Kowloon,Hongkong FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:Sep.05,2023 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2AOKB-A3871R [AnkerInnovationsLimited](“theapplicant”)certifiesthat,asofthedateofthefilingoftheapplication, theapplicantisnotidentifiedontheCoveredListasanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (LouisQi)

Anker Innovations Limited 2.911 (d)(7)USA Agent v1.2 Section 2.911(d)(7) USAAgent for Service of Process Company name: Anker Innovations Limited Address: Room 1318-19, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hongkong 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 ManagerTitle: Compliance Manager Date:21/2/2023Date: 21/2/2023 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 Room1318-19,HollywoodPlaza,610NathanRoad,Mongkok,Kowloon,Hongkong Long/Short-termConfidentialityRequest FederalCommunicationsCommissionDate:Sep.05,2023 44512 th StreetSW Washington,DC20554 FCCID:2AOKB-A3871R ToWhomitmayconcerns, Pursuanttosections0.457(d)and0.459ofCFR47andtoavoidprematurereleaseof sensitiveinformationpriortomarketingorreleaseoftheproducttothepublic,wehereby requestslong-termconfidentialtreatmentofinformationaccompanyingthisapplicationas outlinedbelow: SchematicsPartsList BlockDiagramTune-UpInfo OperationalDescriptionAntennaSpecificationFCC_Confidential 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

Anker Innovations Limited Room 1318-19, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hongkong Agent Authorization Company: Anker Innovations Limited Address: Room 1318-19, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hongkong Product Name: Wireless Headphone Model Number(s): A3871R Product Description: Wireless Headphone We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: Sep. 05, 2023 Name: Louis Qi Title: General Manager Company: Anker Innovations Limited

Report No.: AGC01110230765AP02 Page 1 of 7 EXTERNAL PHOTOS All VIEW OF EUT –WITH BATTERY M78250 TOP VIEW OF EUT Report No.: AGC01110230765AP02 Page 2 of 7 BOTTOM VIEW OF EUT FRONT VIEW OF EUT Report No.: AGC01110230765AP02 Page 3 of 7 BACK VIEW OF EUT LEFT VIEW OF EUT Report No.: AGC01110230765AP02 Page 4 of 7 RIGHT VIEW OF EUT All VIEW OF EUT –WITH BATTERY HT78250VS Report No.: AGC01110230765AP02 Page 5 of 7 TOP VIEW OF EUT BOTTOM VIEW OF EUT Report No.: AGC01110230765AP02 Page 6 of 7 FRONT VIEW OF EUT BACK VIEW OF EUT Report No.: AGC01110230765AP02 Page 7 of 7 LEFT VIEW OF EUT RIGHT VIEW OF EUT ****************************************End of Report*************************************

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

Report No.: AGC01110230765AP02 Page 1 of 7 INTERNAL PHOTOS OPEN VIEW OF EUT (FIGURE 1) –WITH BATTERY M78250 OPEN VIEW OF EUT (FIGURE 2) Report No.: AGC01110230765AP02 Page 2 of 7 OPEN VIEW OF EUT (FIGURE 3) BATTERY VIEW OF EUT BT Antenna Report No.: AGC01110230765AP02 Page 3 of 7 INTERNAL VIEW OF EUT (FIGURE 1) INTERNAL VIEW OF EUT (FIGURE 2) Report No.: AGC01110230765AP02 Page 4 of 7 INTERNAL VIEW OF EUT (FIGURE 3) OPEN VIEW OF EUT (FIGURE 1) –WITH BATTERY HT78250VS Report No.: AGC01110230765AP02 Page 5 of 7 OPEN VIEW OF EUT (FIGURE 2) OPEN VIEW OF EUT (FIGURE 3) BT Antenna Report No.: AGC01110230765AP02 Page 6 of 7 BATTERY VIEW OF EUT INTERNAL VIEW OF EUT (FIGURE 1) Report No.: AGC01110230765AP02 Page 7 of 7 INTERNAL VIEW OF EUT (FIGURE 2) INTERNAL VIEW OF EUT (FIGURE 3) ****************************************End of Report*************************************

Page 1 of 40 SAR Test Report Report No.: AGC01110230765FH01 FCC ID : 2AOKB-A3871R APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : Wireless Headphone BRAND NAME : soundcore MODEL NAME : A3871R APPLICANT : Anker Innovations Limited DATE OF ISSUE : Sep. 04, 2023 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.: AGC01110230765FH01 Page 2 of 40 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Sep. 04, 2023 Valid Initial Release Report No.: AGC01110230765FH01 Page 3 of 40 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 A3871R EUT Voltage DC 3.72V 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 Aug. 03, 2023 Test Date Aug. 08, 2023 Report Template AGCRT-US-2.4G/SAR (2021-04-20) Note: The results of testing in this report apply to the product/system which was tested only. Prepared By Cool Cheng (Project Engineer) Aug. 08, 2023 Reviewed By Calvin Liu (Reviewer) Sep. 04, 2023 Approved By Max Zhang (Authorized Officer) Sep. 04, 2023 Report No.: AGC01110230765FH01 Page 4 of 40 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 ......................................................................................................................... 15 5.1. THE COMPOSITION OF THE TISSUE SIMULATING LIQUID..................................................................................... 15 5.2. TISSUE DIELECTRIC PARAMETERS FOR HEAD AND BODY PHANTOMS ............................................................... 15 5.3. TISSUE CALIBRATION RESULT ....................................................................................................................... 16 6. SAR SYSTEM CHECK PROCEDURE ........................................................................................................... 17 6.1. SAR SYSTEM CHECK PROCEDURES ............................................................................................................. 17 6.2. SAR SYSTEM CHECK ................................................................................................................................... 18 7. EUT TEST POSITION ...................................................................................................................................... 20 7.1. TEST POSITION ............................................................................................................................................ 20 8. SAR EXPOSURE LIMITS ............................................................................................................................... 21 9. TEST FACILITY .............................................................................................................................................. 22 10. TEST EQUIPMENT LIST .............................................................................................................................. 23 11. MEASUREMENT UNCERTAINTY ................................................................................................................ 24 12. CONDUCTED POWER MEASUREMENT ..................................................................................................... 27 13. TEST RESULTS ........................................................................................................................................... 28 13.1. SAR TEST RESULTS SUMMARY........................…

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Page 1 of 81 FCC Test Report Report No.: AGC01110230765FR02 FCC ID : 2AOKB-A3871R APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : Wireless Headphone BRAND NAME : soundcore MODEL NAME : A3871R APPLICANT : Anker Innovations Limited DATE OF ISSUE : Sep. 01, 2023 STANDARD(S) : FCC Part 15 Subpart C §15.247 REPORT VERSION : V1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC01110230765FR02 Page 2 of 81 REPORT REVISE RECORD Report Version Revise Time Issued Date Valid Version Notes V1.0 / Sep. 01, 2023 Valid Initial Release Report No.: AGC01110230765FR02 Page 3 of 81 TABLE OF CONTENTS 1. VERIFICATION OF CONFORMITY .................................................................................................................. 5 2. GENERAL INFORMATION .............................................................................................................................. 6 2.1. PRODUCT DESCRIPTION ........................................................................................................................ 6 2.2. TABLE OF CARRIER FREQUENCYS ....................................................................................................... 7 2.3. RECEIVER INPUT BANDWIDTH .............................................................................................................. 7 2.4. EXAMPLE OF A HOPPING SEQUENCY IN DATA MODE ......................................................................... 7 2.5. EQUALLY AVERAGE USE OF FREQUENCIES AND BEHAVIOUR ......................................................... 8 2.6. RELATED SUBMITTAL(S) / GRANT (S) .................................................................................................... 8 2.7. TEST METHODOLOGY ............................................................................................................................. 8 2.8. SPECIAL ACCESSORIES ......................................................................................................................... 8 2.9. EQUIPMENT MODIFICATIONS ................................................................................................................. 8 2.10. ANTENNA REQUIREMENT..................................................................................................................... 9 3. MEASUREMENT UNCERTAINTY ................................................................................................................. 10 4. DESCRIPTION OF TEST MODES ................................................................................................................. 11 5. SYSTEM TEST CONFIGURATION ................................................................................................................ 12 5.1. CONFIGURATION OF EUT SYSTEM ...................................................................................................... 12 5.2. EQUIPMENT USED IN TESTED SYSTEM .............................................................................................. 12 5.3. SUMMARY OF TEST RESULTS .............................................................................................................. 12 6. TEST FACILITY .............................................................................................................................................. 13 7. PEAK OUTPUT POWER ................................................................................................................................ 14 7.1. MEASUREMENT PROCEDURE ............................................................................................................. 14 7.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) .................................................................... 14 7.3. LIMITS AND MEASUREMENT RESULT .................................................................................................. 15 8. 20DB BANDWIDTH ........................................................................................................................................ 25 8.1. MEASUREMENT PROCEDURE ............................................................................................................. 25 8.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) .................................................................... 25 8.3. LIMITS AND MEASUREMENT RESULTS ............................................................................................... 26 9. CONDUCTED SPURIOUS EMISSION........................................................................................................... 31 9.1. MEASUREMENT PROCEDURE ............................................................................................................. 31 Report No.: AGC01110230765FR02 Page 4 of 81 9.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) .................................................................... 31 9.3. MEASUREMENT EQUIPMENT USED .................................................................................................... 31 9.4. LIMITS AND MEASUREMENT RESULT .................................................................................................. 31 10. RADIATED EMISSION ................................................................................................................................. 52 10.1. MEASUREMENT PROCEDURE ........................................................................................................... 52 10.2. TEST SETUP ......................................................................................................................................... 54 10.3. LIMITS AND MEASUREMENT RESULT ............................................................................................... 55 10.4. TEST RESULT........................................................................................................................................ 55 11. NUMBER OF HOPPING FREQUENCY ..............................................................…

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Report No.: AGC01110230765FR02 Page 64 of 81 EUT Wireless Headphone Model Name A3871R Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 3 Antenna Vertical Test Graph for Peak Measurement Test Graph for Average Measurement RESULT: PASS Report No.: AGC01110230765FR02 Page 65 of 81 EUT Wireless Headphone Model Name A3871R Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 4 Antenna Horizontal Test Graph for Peak Measurement Test Graph for Average Measurement RESULT: PASS Report No.: AGC01110230765FR02 Page 66 of 81 EUT Wireless Headphone Model Name A3871R Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 4 Antenna Vertical Test Graph for Peak Measurement Test Graph for Average Measurement RESULT: PASS Report No.: AGC01110230765FR02 Page 67 of 81 EUT Wireless Headphone Model Name A3871R Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 6 Antenna Horizontal Test Graph for Peak Measurement Test Graph for Average Measurement RESULT: PASS Report No.: AGC01110230765FR02 Page 68 of 81 EUT Wireless Headphone Model Name A3871R Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 6 Antenna Vertical Test Graph for Peak Measurement Test Graph for Average Measurement RESULT: PASS Report No.: AGC01110230765FR02 Page 69 of 81 EUT Wireless Headphone Model Name A3871R Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 7 Antenna Horizontal Test Graph for Peak Measurement Test Graph for Average Measurement RESULT: PASS Report No.: AGC01110230765FR02 Page 70 of 81 EUT Wireless Headphone Model Name A3871R Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 7 Antenna Vertical Test Graph for Peak Measurement Test Graph for Average Measurement RESULT: PASS Report No.: AGC01110230765FR02 Page 71 of 81 EUT Wireless Headphone Model Name A3871R Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 9 Antenna Horizontal Test Graph for Peak Measurement Test Graph for Average Measurement RESULT: PASS Report No.: AGC01110230765FR02 Page 72 of 81 EUT Wireless Headphone Model Name A3871R Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 9 Antenna Vertical Test Graph for Peak Measurement Test Graph for Average Measurement RESULT: PASS Report No.: AGC01110230765FR02 Page 73 of 81 11. NUMBER OF HOPPING FREQUENCY 11.1. MEASUREMENT PROCEDURE The EUT shall have its hopping function enabled. Use the following spectrum analyzer settings: 1. Span: The frequency band of operation. Depending on the number of channels the device supports, it may be necessary to divide the fr…

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