2A9QP-TWSOPEFT52TWS OPEN EAR

FRONTBACK ™ and ™ are trademarks of ABG-Champion LLC. © ABG-Champion LLC. Instruction Product Specification: Bluetooth Name: TWSSPOFT52 Bluetooth Version: BT 5.4 Instruction for Use: 1. Initial Pairing: Remove the earbuds from the charging case, the earbuds' blue LED light will flash. If the pairing is not successful within 3 minutes, the earbuds will automatically turn of f. Turn on the Bluetooth function of your phone, find the corresponding pair name "TWSSPOFT52" and click on the pair name to connect. 2. Subsequent Connections: Removing the earbuds from the case will typically connect them automatically to your last paired device. Charging Indicators: 1. Charging the Case: While charging: The dual digital LED power display will flash through 1 to 100. Fully charged: The dual digital LED power display shows 100. 2. Earbuds Charging in the Case: While charging: Three independent power consumption indicators in the dual digital LED power display will flash. Fully charged: Three independent power consumption indicators go out. Touch controls: 1. Answer/End a Call: Single-press either earbud. 2. Reject a Call: Long-press either earbud for 2 second. 3. Activate Voice Assistant : Press either earbud 3 times. 4. Play/Pause Music: Single-press either earbud. 5. Previous Song: Double-press the left earbud. 6. Next Song: Double-press the right earbud. 7. Decrease Volume: Long-press the left earbud. 8. Increase Volume: Long-press the right earbud. 9. Power Off: Long-press either earbud for 6 seconds or Place the earbuds back into the charging case. Important Notices: 1.Auto Connection: The earbuds connect automatically upon powering on. 2.Auto Reconnection: If the earbuds go beyond the effective range (up to 33 ft in open space), the connection will break and resume automatically upon returning within range. 3.Independent Use: Either earbud can be turned of f independently without affecting the other . FCC Caution: 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 this device. 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. FCC ID: 2A9QP-TWSOPEFT52 The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

US Agent – Attestation Statement / Part [ORBIT INNOVATIONS LLC] [148 West 37th Street, 14th Floor New York, NY 10018] [New York, NY] [US] Date: [01-16-2026] Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2A9QP-TWSOPEFT52 FRN of the Applicant: [0033184391] 2.911(d)(7) Company: [Orbit Innovations LLC]Designated Agent: FCC US Agent, LLC Company Representative: [Eddie Jemal]Designated Agent Representative: Tim Payne [ORBIT INNOVATIONS LLC]certifies, that as of [01-16-2026], we have designated FCC US Agent, LLC to accept service of process on our behalf for FCC ID: 2A9QP-TWSOPEFT52 [ORBIT INNOVATIONS LLC], accepts to maintain an agent of 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. FCC US Agent, LLC, accepts as of the date of the filing of this application, the obligation of being the designated agent for the purpose of accepting service of process on behalf of [ORBIT INNOVATIONS LLC] for FCC ID: 2A9QP-TWSOPEFT52 Designated Agent Information: Company Name: FCC US Agent, LLC FRN: 0033402884 Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Contact Person: Tim Payne Phone: 708-571-3148 Email: [email protected] Sincerely, Signature:Signature:

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2A9QP-TWSOPEFT52 TWSOPEFT52-WHI, TWSOPEFT52-BLK, TWSOPEFT52-BLU We, Applicant Company Name: ORBIT INNOVATIONS LLC Address: 148 West 37th Street, 14th Floor, New York 10018, United States Phone: +86-18825861614 certify 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. This includes the cybersecurity and anti-virus software produced or provided by Kaspersky Lab, Inc. or any of ist successors and assignees. We certify 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. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2026-01-15 Signature Date Name / Title: Echo Choi / Sales Company: ORBIT INNOVATIONS LLC Address: 148 West 37th Street, 14th Floor, New York 10018, United States Phone: +86-18825861614 Fax: +86-18825861614 E-Mail: [email protected]

Due Diligence Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern FCC ID Model name 2A9QP-TWSOPEFT52 TWSOPEFT52-WHI, TWSOPEFT52-BLK, TWSOPEFT52-BLU Pursuant to KDB 986446 D01 Covered Equipment Guidance the evaluation of the product above shows compliance for the following reasons: Compliance Evaluation process Results Inherent compliance The chipset(s) used is not capable of running the cybersecurity and/or anti-virus software Compliance The memory used does not allow the running the cybersecurity and/or anti-virus software Compliance The storage capacity does not allow the running the cybersecurity and/or anti-virus software Compliance The operating system used is not capable of running the cybersecurity and/or anti-virus software Compliance No inherent compliance Based on software bill of material Based on scan for running software on the device Based on filesystem scan for cybersecurity and/or anti-virus software The equipment for which authorization is sought complies with the rules and fulfils the requirements as detailed in the above mentioned KDB. Evaluation performed by Company Name: Shenzhen LCS Compliance Testing Laboratory Ltd. Contact Name: Martion Lee Address: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Phone: +86-755-82591330 Email: [email protected] Signature: Date: 2026-01-09

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2A9QP-TWSOPEFT52 TWSOPEFT52-WHI, TWSOPEFT52-BLK, TWSOPEFT52-BLU For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics • the Part List • the Tune up Information The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2026-01-15 Signature Date Name / Title: Echo Choi / Sales Company: ORBIT INNOVATIONS LLC Address: 148 West 37th Street, 14th Floor, New York 10018, United States Phone: +86-18825861614 Fax: +86-18825861614 E-Mail: [email protected]

ORBIT INNOVATIONS LLC 148 West 37th Street, 14th Floor, New York 10018, United States Date: January 15, 2026 FCC ID: 2A9QP-TWSOPEFT52 Model Number: TWSOPEFT52-WHI, TWSOPEFT52-BLK, TWSOPEFT52-BLU To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We, ORBIT INNOVATIONS LLC hereby declare that our product (TWS OPEN EAR) Model Number: TWSOPEFT52-WHI, TWSOPEFT52-BLK, TWSOPEFT52-BLU board, Schematic, Hardware version, Software version, structure and internal photos are same, named differently due to marketing purposes. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, (Signed) Name / Title: Echo Choi / Sales Company: ORBIT INNOVATIONS LLC Address: 148 West 37th Street, 14th Floor, New York 10018, United States Phone: +86-18825861614 Fax: +86-18825861614 E-Mail: [email protected]

Page1of5FCCID:2A9QP-TWSOPEFT52 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com ExternalPhotosoftheEUT Fig.1 Fig.2 Page2of5FCCID:2A9QP-TWSOPEFT52 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.3 Fig.4 Page3of5FCCID:2A9QP-TWSOPEFT52 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.5 Fig.6 Page4of5FCCID:2A9QP-TWSOPEFT52 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.7 Fig.8 Page5of5FCCID:2A9QP-TWSOPEFT52 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com Fig.9

Page 1 of 1 FCCID:2A9QP-TWSOPEFT52 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com LabelandLocation (Size:L:3.0cmxW:1.1cm) LabelLocation

Page 1 of 8 FCC ID: 2A9QP-TWSOPEFT52 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Internal Photos of the EUT Fig. 1 Fig. 2 Page 2 of 8 FCC ID: 2A9QP-TWSOPEFT52 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 3 Fig. 4 Page 3 of 8 FCC ID: 2A9QP-TWSOPEFT52 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 5 Fig. 6 Page 4 of 8 FCC ID: 2A9QP-TWSOPEFT52 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 7 Fig. 8 Page 5 of 8 FCC ID: 2A9QP-TWSOPEFT52 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 9 Fig. 10 Page 6 of 8 FCC ID: 2A9QP-TWSOPEFT52 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 11 Fig. 12 Page 7 of 8 FCC ID: 2A9QP-TWSOPEFT52 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 13 Fig. 14 Page 8 of 8 FCC ID: 2A9QP-TWSOPEFT52 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 15 Fig. 16 Antenna

Page 1 of 9 FCCID:2A9QP-TWSOPEFT52ReportNo.:LCSC12025016EB GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com RFExposureEvaluation For ORBITINNOVATIONSLLC TWSOPENEAR TestModel:TWSOPEFT52-WHI AdditionalModelNo.:PleaseRefertoPage6 Preparedfor:ORBITINNOVATIONSLLC Address:148West37thStreet,14thFloorNewYork,NY10018 Preparedby:GuangzhouLCSComplianceTestingLaboratoryLtd. Address:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou, Guangdong,China Tel:(+86)020-39166689 Fax:(+86)020-39166619 Web:www.LCS-cert.com Mail:[email protected] Dateofreceiptoftestsample:December16,2025 Numberoftestedsamples:2 SampleNo.:B251030001-1,B251030001-2 Serialnumber:Prototype DateofTest:December16,2025~January07,2026 DateofReport:January07,2026 Page 2 of 9 FCCID:2A9QP-TWSOPEFT52ReportNo.:LCSC12025016EB GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com RFExposureEvaluation ReportReferenceNo......................:LCSC12025016EB DateofIssue.......................................:January07,2026 TestingLaboratoryName..............:GuangzhouLCSComplianceTestingLaboratoryLtd. Address................................................:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou, Guangdong,China TestingLocation/Procedure.............:FullapplicationofHarmonisedstandards■ PartialapplicationofHarmonisedstandards□ Otherstandardtestingmethod□ Applicant’sName.............................:ORBITINNOVATIONSLLC Address................................................:148West37thStreet,14thFloorNewYork,NY10018 TestSpecification Standard..............................................:FCCKDBpublication447498D01GeneralRFExposureGuidance v06 FCCCFR47part11.1310 FCCCFR47part22.1093 TestReportFormNo.......................:TRF-4-E-215A/0 TRFOriginator....................................:GuangzhouLCSComplianceTestingLaboratoryLtd. MasterTRF.........................................:Dated2011-03 GuangzhouLCSComplianceTestingLaboratoryLtd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe GuangzhouLCSComplianceTestingLaboratoryLtd.isacknowledgedascopyrightownerandsourceofthe material.GuangzhouLCSComplianceTestingLaboratoryLtd.takesnoresponsibilityforandwillnotassume liabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoitsplacement andcontext. TestItemDescription......................:TWSOPENEAR TradeMark..........................................: N/A TestModel...........................................:TWSOPEFT52-WHI Ratings.................................................:PleaseRefertoPage6 Result...................................................: PASS Compiledby:Supervisedby:Approvedby: LifengLe/AdministratorJustinZhu/TechniqueDirectorGavinLiang/Manager Page3of9FCCID:2A9QP-TWSOPEFT52ReportNo.:LCSC12025016EB GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com RFExposureEvaluation EUT.........................................:TWSOPENEAR TestModel...........................:TWSOPEFT52-WHI Applicant...............................:ORBITINNOVATIONSLLC Address..................................:148West37thStreet,14thFloorNewYork,NY10018 Telephone...............................:/ Fax..........................................:/ Manufacturer.......................:NINGBOSC-STARMAXIMP.&EXP.CO.,LTD. Address...................................:19F,Building1,Lane1255,HeqingNorthRoad,YinzhouDistrict, Ningbo,Zhejiang,China Telephone...............................:/ Fax..........................................:/ Factory.......................:NINGBOSC-STARMAXIMP.&EXP.CO.,LTD. Address...................................:19F,Building1,Lane1255,HeqingNorthRoad,YinzhouDistrict, Ningbo,Zhejiang,China Telephone...............................:/ Fax..........................................:/ TestResultPASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetestlaboratory. TestReportNo.:LCSC12025016EB January07,2026 Dateofissue Page4of9FCCID:2A9QP-TWSOPEFT52ReportNo.:LCSC12025016EB GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com RevisionHistory ReportVersionIssueDateRevisionContentRevisedBy 000January07,2026InitialIssue--- Page5of9FCCID:2A9QP-TWSOPEFT52ReportNo.:LCSC12025016EB GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com TABLEOFCONTENTS DescriptionPage 1.PRODUCTINFORMATION ..................................................................................................................................... 6 2.EVALUATIONMETHODANDLIMIT .................................................................................................................... 7 3.REFEREVALUATIONMETHOD...........................................................................................................................7 4.CONDUCTEDPOWERRESULTS ........................................................................................................................ 8 5.MANUFACTURINGTOLERANCE ........................................................................................................................ 8 6.EVALUATIONRESULTS........................................................................................................................................9 7.CONCLUSION ............................................…

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2.4GHz3216ChipAntenna:RANT3216F245C03 _ Application: WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberInformation RANT3216F245C03 (A)(B)(C)(D)(E)(F) ElectricalSpecification ThespecificationisdefinedonEVB. DimensionandTerminalConfiguration No.TerminalName 1Feeding/GNG 2GND/Feeding (A)ProductTypeChipAntenna (B)SizeCode 3.2x1.6mm( ± 0.2mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=03 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 3.20 ± 0.20 W 1.60±0.20 T 0.45±0.20 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd. Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District,Shenzhen. 2.4GHz3216ChipAntenna:RANT3216F245C03 _ 1 EvaluationBoardReference 长条板PCB 推荐 Dimension 圆板AntennaLayoutReference Unit:mm ElectricalCharacteristics ReturnLoss&Radiation ReturnLoss Frequency(MHz) S11(dB) 2400-10.50 2450-30.62 2500-11.47 Radiation 2400MHz2450MHz2500MHz Efficiency82.52%85.26%83.01% X Y Z 2.4GHz3216ChipAntenna:RANT3216F245C03 _ TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 32167”5K/Reel 9.0±0.5 60±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTψDP PaperType3216 1.90±0.2 0 3.50±0.2 0 8.0±0.2 0 1.75±0.1 0 3.5±0.054.0±0.102.0±0.050.75±0.1 0 1.50±0.1 0 4.0±0.1 2.4GHz3216ChipAntenna:RANT3216F245C03 _ ReliabilityTable 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 2.4GHz3216ChipAntenna:RANT3216F245C03 _ 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 12019/03/01NewDatasheet 22020/02/22Add2Dradiationcharacteristic 32020/02/22Add2Dradiationcharacteristic

Page 1 of 60 FCC ID: 2A9QP-TWSOPEFT52 Report No.: LCSC12025016EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Appendix A RF Test Data for BT (Conducted Measurement) Product Name: TWS OPEN EAR Test Model: TWSOPEFT52-WHI Environmental Conditions Temperature: 24.1C Relative Humidity: 52.2% ATM Pressure: 100.0 kPa Test Engineer: Yan Chen Supervised by: Fengliu Tang Page 2 of 60 FCC ID: 2A9QP-TWSOPEFT52 Report No.: LCSC12025016EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com A.1 20dB Emission Bandwidth Test Result TestMode Antenna Freq(MHz) 20dB EBW[MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.957 2401.538 2402.495 --- --- 2441 0.963 2440.535 2441.498 --- --- 2480 0.957 2479.535 2480.492 --- --- 2DH5 Ant1 2402 1.290 2401.361 2402.651 --- --- 2441 1.290 2440.361 2441.651 --- --- 2480 1.287 2479.364 2480.651 --- --- 3DH5 Ant1 2402 1.299 2401.349 2402.648 --- --- 2441 1.302 2440.346 2441.648 --- --- 2480 1.299 2479.349 2480.648 --- --- Note: offset=System attenuation +cabal loss Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 Page 3 of 60 FCC ID: 2A9QP-TWSOPEFT52 Report No.: LCSC12025016EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com DH5_Ant1_2480 2DH5_Ant1_2402 Page 4 of 60 FCC ID: 2A9QP-TWSOPEFT52 Report No.: LCSC12025016EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 2DH5_Ant1_2441 2DH5_Ant1_2480 Page 5 of 60 FCC ID: 2A9QP-TWSOPEFT52 Report No.: LCSC12025016EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 3DH5_Ant1_2402 3DH5_Ant1_2441 Page 6 of 60 FCC ID: 2A9QP-TWSOPEFT52 Report No.: LCSC12025016EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 3DH5_Ant1_2480 Page 7 of 60 FCC ID: 2A9QP-TWSOPEFT52 Report No.: LCSC12025016EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com A.2 Maximum Peak conducted output power Test Result Peak Test Mode Antenna Freq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict DH5 Ant1 2402 1.93 ≤30 PASS 2441 3.31 ≤30 PASS 2480 2.37 ≤30 PASS 2DH5 Ant1 2402 3.35 ≤20.97 PASS 2441 4.49 ≤20.97 PASS 2480 3.46 ≤20.97 PASS 3DH5 Ant1 2402 3.60 ≤20.97 PASS 2441 4.67 ≤20.97 PASS 2480 3.66 ≤20.97 PASS Note: offset=System attenuation +cabal loss Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 Page 8 of 60 FCC ID: 2A9QP-TWSOPEFT52 Report No.: LCSC12025016EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com DH5_Ant1_2480 2DH5_Ant1_2402 Page 9 of 60 FCC ID: 2A9QP-TWSOPEFT52 Report No.: LCSC12025016EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 2DH5_Ant1_2441 2DH5_Ant1_2480 Page 10 of 60 FCC ID: 2A9QP-TWSOPEFT52 Report No.: LCSC12025016EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 3DH5_Ant1_2402 3DH5_Ant1_2441 Page 11 of 60 FCC ID: 2A9QP-TWSOPEFT52 Report No.: LCSC12025016EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 3DH5_Ant1_2480 Page 12 of 60 FCC ID: 2A9QP-TWSOPEFT52 Report No.: LCSC12025016EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com A.3 Carrier frequency separation Test Result TestMode Antenna Freq(MHz) Result[MHz] Limit[MHz] Verdict DH5 Ant1 Hop 1.012 ≥0.642 PASS 2DH5 Ant1 Hop 1.326 ≥0.860 PASS 3DH5 Ant1 Hop 1.01 ≥0.868 PASS Note: offset=System attenuation +cabal loss Page 13 of 60 FCC ID: 2A9QP-TWSOPEFT52 Report No.: LCSC12025016EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Test Graphs DH5_Ant1_Hop 2DH5_Ant1_Hop 3DH5_Ant1_Hop Page 14 of 60 FCC ID: 2A9QP-TWSOPEFT52 Report No.: LCSC12025016EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: webm…

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