2BWIH-A7PROBluetooth earphones

Bluetooth earphones Operation Functions Music Mode Single click: Play/Pause Double click: Right earbud next track/Left earbud previous track Triple click Right earbud volume up/Left earbud volume down Long press for 3 seconds: Voice assistant Call Mode Single click: Answer/Hang up call Long press 2 seconds: Reject call Label Earphone size:33*23mm Because the sample was too small to accommodate the FCC ID, the FCC ID was placed in the instruction manual. FCC Information and Copyright 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. 15.19 Labelling requirements. 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. changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. FCC RF warning statement: the device has been evaluated to meet general RF exposure requirement , The device can be used in portable exposure condition without restriction. Bluetooth earphones Model NO.: A7 Pro Input: 5V/2A FCC ID:2BWIH-A7PRO

Rev 1/26/2023 Shenzhen Xinlixin Electronics Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2026-06-16 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID:2BWIH-A7PRO Shenzhen Xinlixin Electronics Co., Ltd. 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. Shenzhen Xinlixin Electronics Co., Ltd. certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Device is inherently compliant based on hardware limitations or software controls. or A Software Bill of Materials (SBOM) is provided to the TCB for review, and The end-user or third parties cannot install additional software on this device. Sincerely, (Applicant signature) (Luo Xiang) Rev 1/26/2023 Shenzhen Xinlixin Electronics Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2026-06-16 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID:2BWIH-A7PRO Shenzhen Xinlixin Electronics Co., Ltd. certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Luo Xiang)

Shenzhen Xinlixin Electronics Co., Ltd.

Shenzhen Xinlixin Electronics Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: June 22, 2026 Subject; Request for Confidentiality FCC ID:2BWIH-A7PRO 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 Parts List Operational Description FCC Software Security Requirements for UNII devices 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: Luo Xiang Title: Manager

Shenzhen Xinlixin Electronics Co., Ltd. Product Similarity Declaration Product name: Bluetooth earphones Model name: A7 Pro, A7, A7 Plus,A6 Pro,i7,i7 Pro,i7 Plus FCC ID:2BWIH-A7PRO We (Shenzhen Xinlixin Electronics Co., Ltd.) hereby state that all the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), the only difference is the model name. Sincerely yours, Applicant Signature Printed Name: Luo Xiang Title:Manager Address: Room 408, 4th Floor, Electronics Building, Jiuwei Xiange Industrial Park, Hangcheng Avenue, Bao'an District, Shenzhen,China Tel.: +8613874598421 Email: [email protected]

Effective Date: April 2, 2020 QSF 7.6.4-8 – Agent Authorization Letter Template Page 1 of 1 Revision Date: Revision: 0 Shenzhen Xinlixin Electronics Co., Ltd. Date：2026-06-16 Product Model Number: A7 Pro, A7, A7 Plus,A6 Pro,i7,i7 Pro,i7 Plus FCC ID:2BWIH-A7PRO To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following:  Testing  Approval applications and procedures We declare that QAI Laboratories Ltd. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out byQAI Laboratories Ltd. on our behalf shall have the same effect as acts of our own. By: :Luo Xiang Contact Listed on FCC Wesbite Title: Manager Email: [email protected] On behalf of: Shenzhen Xinlixin Electronics Co., Ltd.

Ext Photos Model:A7 Pro Photo 1 Photo 2 Label&location Photo 3 Photo 4 Photo 5 Photo 6 Photo 7 Photo 8 Photo 9 Photo 10 Left earphone Photo 11 Photo 12 Photo 13 Photo 14 Photo 15 Photo 16 Right earphone Photo 17 Photo 18 Photo 19 Photo 20

FCC ID LABELING AND LOCATION FCC ID Label Bluetooth earphones Model NO.: A7 Pro Input: 5V/2A FCC ID:2BWIH-A7PRO Earphone size:33*23mm Because the sample was too small to accommodate the FCC ID, the FCC ID was placed in the instruction manual.

Int Photos Model:A7 Pro Photo 1 Photo 2 Left earphone Photo 3 Photo 4 ChipAntenna Photo 5 Photo 6 Right earphone Photo 7 Photo 8 ChipAntenna Photo 9 Photo 10 Photo 11 Photo 12 Photo 13 Photo 14 Photo 15

- Page 1 of 9 - Report No.:HB20260602002E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com RF EXPOSURE Test Report Product: Bluetooth earphones Trade Mark: N/A Model Number: A7 Pro FCC ID: 2BWIH-A7PRO Prepared for Shenzhen Xinlixin Electronics Co., Ltd. Room 408, 4th Floor, Electronics Building, Jiuwei Xiange Industrial Park, Hangcheng Avenue, Bao'an District, Shenzhen,China Prepared by Shenzhen HongBiao Certification& Testing Co., Ltd Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen, China Tel.: +86-755-2998 9321 Fax.: +86-755-2998 5110 Website: http://www.sz-hongbiao.com - Page 2 of 9 - Report No.:HB20260602002E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Table of Contents 1 GENERAL DESCRIPTION .................................................................................................................... 5 1.1 DESCRIPTION OF EUT ................................................................................................................................................ 5 1.2 TEST MODE .............................................................................................................................................................. 5 1.3 TEST SETUP .............................................................................................................................................................. 5 1.4 ANCILLARY EQUIPMENT .............................................................................................................................................. 5 2 TEST FACILITIES AND ACCREDITATIONS .............................................................................................................. 6 2.1 TEST LABORATORY ..................................................................................................................................................... 6 2.2 ENVIRONMENTAL CONDITIONS ..................................................................................................................................... 6 2.3 MEASUREMENT UNCERTAINTY ..................................................................................................................................... 6 2.4 TEST SOFTWARE ........................................................................................................................................................ 6 3 LIST OF TEST EQUIPMENT .................................................................................................................................. 7 4 RF EXPOSURE..................................................................................................................................................... 8 4.1 STANDALONE SAR TEST EXCLUSION CONSIDERATIONS........................................................................................................ 8 4.1.1 Limit ............................................................................................................................................................ 8 4.1.2 Test Procedures ........................................................................................................................................... 8 4.1.3 Test Result ................................................................................................................................................... 9 - Page 3 of 9 - Report No.:HB20260602002E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com TEST RESULT CERTIFICATION Applicant’s Name ................. Shenzhen Xinlixin Electronics Co., Ltd. Address ................................ Room 408, 4th Floor, Electronics Building, Jiuwei Xiange Industrial Park, Hangcheng Avenue, Bao'an District, Shenzhen,China Manufacturer's Name ................................ Shenzhen Xinlixin Electronics Co., Ltd. Address ................................ Room 408, 4th Floor, Electronics Building, Jiuwei Xiange Industrial Park, Hangcheng Avenue, Bao'an District, Shenzhen,China Product description Product name ........................ Bluetooth earphones Model Number ....................... A7 Pro,N/A-CSC051A/04-L,N/A-CSC051A/04-R Standards ............................. FCC CFR 47 PART 1 , 1.1310 Test procedure .......................KDB 447498 D01 General RF Exposure Guidance v06 This device described above has been tested by Shenzhen HongBiao Certification& Testing Co., Ltd and the test results show that the equipment under test (EUT) is in compliance with the EMC requirements. And it is applicable only to the tested sample identified in the report. Date of Test ........................................... Date (s) of performance of tests ............. Jun 01, 2026~ Jun 10, 2026 Test Result .............................................. Pass Testing Engineer : ( Z o e S u ) Technical Manager : ( G a r y L u ) Authorized Signatory : ( L e o S u ) - Page 4 of 9 - Report No.:HB20260602002E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Revision History Revised No. Date of Issue Description 01 Jun 10, 2026 Original - Page 5 of 9 - Report No.:HB20260602002E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax:…

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2.4GHz 1608 Chip Antenna: RANT1608F245X08 _ Application: WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberInformation RANT1608F245 (A)(B)(C)(D) ElectricalSpecificatio X (E) 08 (F) n DimensionandTerminalConfiguration No.TerminalName 1Feeding/GNG 2GND/Feeding (A)ProductTypeChipAntenna (B)SizeCode 1.6x0.8mm( ± 0.1mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=08 WorkingFrequencyRange2400~2500MHz Bandwidth120MHz(Min.) PeakGain2.7dBi(Typ.) Impedance50Ohm Returnloss10dB(Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature( °C )-40~85 °C ResistancetoSolderingHeats 10sec.(@280 °C ) TerminationNi/Au(Leadless) Dimension(mm) L 1.60±0.10 W 0.80 ± 0.10 T 0.80 ± 0.10 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd.TEL:13530576606 2.4GHz 1608 Chip Antenna: RANT1608F245X01 _ 1 EvaluationBoardReference PCBDimensionAntennaLayoutReference Unit:mm ElectricalCharacteristics ReturnLoss&Radiation ELECTRICALCHARACTERISTICSS11 Radiation ElectricalCharacteristics Freque ncy EfficPercenGain 2400-1.6472.27%2.38 2450-1.3375.34%2.7 2500-1.5972.98%2.59 2.4GHz 1608 Chip Antenna: RANT1608F245X08 _ TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 16087”4K/Reel 4.0±0.5 4.0±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTψDP PaperType1608 1.90±0.203.50±0.208.0±0.201.75±0.103.5±0.054.0±0.102.0±0.050.75±0.10 1.50±0.10 4.0±0.1 _ 2.4GHz 1608 Chip Antenna: RANT1608F245X08 Reliability Table TestItemProcedure Requirements CeramicType Remark (Reference) Electrical Characterization Fulfilltheelectrical specification UserSpec. Thermal Shock 1.Preconditioning: 50±10°C/1hr,thenkeepfor24±1hrsatroomtemp. 2.Initialmeasure:Spec:referInitialspec. 3.Rapidchangeoftemperaturetest: -30°Cto+85°C;100cycles; 15minutesatLowercategorytemperature; 15minutesatUppercategorytemperature. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 107 Temperature Cycling 1.Initialmeasure:Spec:referInitialspec. 2.100Cycles(-30°Cto+85°C),SoakMode=1(2Cycle/hours). 3.Measurementat24±2Hoursaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. JESD22 JA104 HighTemperature Exposure 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered;500hours@T=+85°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 LowTemperature Storage 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered:500hours@T=-30°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 Solderability (SMDBottomSide) Dippingmethod: a.Temperature:235±5°C b.Dippingtime:3±0.5s Thesoldershouldcover over95%ofthecritical areaofbottomside. IEC60384-21/22 4.10 SolderingHeat Resistance (RSH) Preheatingtemperature:150±10°C. Preheatingtime:1~2min. Soldertemperature:260±5°C. Dippingtime:5±0.5s NoVisibleDamage.IEC60384-21/22 4.10 Vibration5g'sfor20min.,12cycleseachof3orientations Note:Use8"X5"PCB.031"thick7securepointson,onelong sideand2securepointsatcornersofoppositesides.Parts mountedwithin2"fromanysecurepoint.Testfrom10-2000 Hz. NoVisibleDamage.MIL-STD-202 Method204 Mechanical Shock Threeshocksineachdirectionshallbeappliedalongthethree mutuallyperpendicularaxesofthetestspecimen(18shocks) Peakvalue:1,500g’s Duration:0.5ms Velocitychange:15.4ft/s Waveform:Half-sine NoVisibleDamage.MIL-STD-202 Method213 Humidity Bias 1.Humidity:85%R.H.,Temperature:85±2°C. 2.Time:500±24hours. 3.Measurementat24±2hrsaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 Method106 2.4GHz 3216 Chip Antenna: RANT1608F245X08 _ Board Flex (SMD) 1.Mountingmethod: IR-Reflow.PCBSize(L:100×W:40×T:1.6mm) 2.Applytheloadindirectionofthearrowuntilbendingreaches 2mm. NoVisibleDamage.AEC-Q200 005 AdhesionForceof1.8Kgfor60seconds.NoVisibleDamage Magnificationof20Xor greatermaybeemployed forinspectionofthe mechanicalintegrityofthe devicebodyterminalsand body/terminaljunction. AEC-Q200 006 Physical Dimension Anyapplicablemethodusingx10magnification,micrometers, calipers,gauges,contourprojectors,orothermeasuring equipment,capableofdeterminingtheactualspecimen dimensions. Inaccordancewith specification. JESD22 JB100 RevisionHistory RevisionDateContent 1NewDatashee2020/03/03t 2Add2Dradiationcharacteristi2021/02/19c

- Page 1 of 71 - Report No.:HB20260602002E-01 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Test Report Product: Bluetooth earphones Trade Mark: N/A Model Number: A7 Pro FCC ID: 2BWIH-A7PRO Prepared for Shenzhen Xinlixin Electronics Co., Ltd. Room 408, 4th Floor, Electronics Building, Jiuwei Xiange Industrial Park, Hangcheng Avenue, Bao'an District, Shenzhen,China Prepared by Shenzhen HongBiao Certification& Testing Co., Ltd Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen, China Tel.: +86-755-2998 9321 Fax.: +86-755-2998 5110 Website: http://www.sz-hongbiao.com - Page 2 of 71 - Report No.:HB20260602002E-01 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Table of Contents 1 GENERAL DESCRIPTION .................................................................................................................... 6 1.1 DESCRIPTION OF EUT ................................................................................................................................................ 6 1.2 TEST MODE .............................................................................................................................................................. 6 1.3 OPERATION CHANNEL LIST .......................................................................................................................................... 6 1.4 TEST SETUP .............................................................................................................................................................. 7 1.5 POWER SETTING CONFIGURATION PARAMETERS ............................................................................................................... 7 1.6 ANCILLARY EQUIPMENT .............................................................................................................................................. 8 2 SUMMARY OF TEST RESULT ............................................................................................................................... 9 3 TEST FACILITIES AND ACCREDITATIONS .............................................................................................................10 3.1 TEST LABORATORY ................................................................................................................................................... 10 3.2 ENVIRONMENTAL CONDITIONS ................................................................................................................................... 10 3.3 MEASUREMENT UNCERTAINTY ................................................................................................................................... 10 3.4 TEST SOFTWARE ...................................................................................................................................................... 11 4 LIST OF TEST EQUIPMENT .................................................................................................................................12 5 TEST ITEM AND RESULTS ...................................................................................................................................14 5.1 ANTENNA REQUIREMENT .......................................................................................................................................... 14 5.1.1 Standard Requirement ............................................................................................................................. 14 5.1.2 Test Result ................................................................................................................................................. 14 5.2 CONDUCTED EMISSION ............................................................................................................................................. 15 5.2.1 Limits ........................................................................................................................................................ 15 5.2.2 Test Procedures ......................................................................................................................................... 15 5.2.3 Test Setup .................................................................................................................................................. 16 5.2.4 Test Result ................................................................................................................................................. 16 5.3 RADIATED EMISSION ................................................................................................................................................ 19 5.3.1 Limits ........................................................................................................................................................ 19 5.3.2 Test Procedures ......................................................................................................................................... 19 5.3.3 Test Setup .................................................................................................................................................. 19 5.3.4 Test Result ................................................................................................................................................. 20 5.3.5 Radiated Band Edge ................................................................................................................................. 25 5.4 PEAK OUTPUT POWER .....................................................................................................…

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Ext Photos Model:A7 Pro Radiated Emission 30-1000MHz Radiated Emission Above 1000MHz Note:The left and right earphone boards are the same; only the left earphone is being tested. Conducted Emission