2BTOF-PIN109Wireless Earphone

FCC Statement: 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. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. 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. RF Exposure Information The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

LocalRepresentativeLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(7),oftheCommission’sRules(47C.F.R.)weattestasfollowsfor theproductlistedbelow: FCCIDModelname 2BTOF-PIN109PINAI,PINAIII,PINAIPro,PINAIMax,PINAI Infinity Weherebyacknowledgeasfollows: i.bothsigneesconfirmthatthepointofcontactacceptsresponsibilitytoactasaUS- AmericanRepresentativeonbehalfoftheapplicant ii.thepointofcontactprovidesthephysicalU.S.addressandemailaslistedbelow iii.bothpartiesmaintaintherequirementsofthisagreementfornolessthanoneyear afterthegranteehasterminatedallmarketingandimportationortheconclusionof anyCommission-relatedproceedinginvolvingtheequipment. iv.Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,the granteeisobligatedtonotifytheFCCwithin30daysviathegrantingTCB. US-AmericanPointofContactApplicant/ApprovalHolder Signature:Signature: SignatureDate:2026-1-8SignatureDate:2026-1-8 CompanyName:ThePinUniverseLLCThePinUniverseLLC FRN:00377506920037750692 ContactName:FNURavindersinghFNURavindersingh Address:Unit542,Rexfordapartment,3400 CountryDr,Fremont,California 94536UnitedStates Unit542,Rexfordapartment, 3400CountryDr,Fremont, California94536UnitedStates Phone:(341)345-2622(341)345-2622 Email:[email protected]@thepinuniverse.com

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 2BTOF-PIN109 PIN AI, PIN AI II, PIN AI Pro, PIN AI Max, PIN AI Infinity We, Applicant Company Name: The Pin Universe LLC Address: Unit 542, Rexford apartment, 3400 Country Dr, Fremont, California 94536, United States Phone: +1-341-345-2622 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, 2026-01-08 Signature Date Name / Title: FNU Ravinder Singh / Manager Company: The Pin Universe LLC Address: Unit 542, Rexford apartment, 3400 Country Dr, Fremont, California 94536, United States Phone: +1-341-345-2622 Fax: +1-341-345-2622 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 2BTOF-PIN109 PIN AI, PIN AI II, PIN AI Pro, PIN AI Max, PIN AI Infinity 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: 2025-12-26

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 2BTOF-PIN109 PIN AI, PIN AI II, PIN AI Pro, PIN AI Max, PIN AI Infinity 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, 2026-01-08 Signature Date Name / Title: FNU Ravinder Singh / Manager Company: The Pin Universe LLC Address: Unit 542, Rexford apartment, 3400 Country Dr, Fremont, California 94536, United States Phone: +1-341-345-2622 Fax: +1-341-345-2622 E-Mail: [email protected]

The Pin Universe LLC Unit 542, Rexford apartment, 3400 Country Dr, Fremont, California 94536, United States Date: January 08, 2026 FCC ID: 2BTOF-PIN109 Model Number: PIN AI, PIN AI II, PIN AI Pro, PIN AI Max, PIN AI Infinity To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We, The Pin Universe LLC hereby declare that our product (Wireless Earphone) Model Number: PIN AI, PIN AI II, PIN AI Pro, PIN AI Max, PIN AI Infinity 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: FNU Ravinder Singh / Manager Company: The Pin Universe LLC Address: Unit 542, Rexford apartment, 3400 Country Dr, Fremont, California 94536, United States Phone: +1-341-345-2622 Fax: +1-341-345-2622 E-Mail: [email protected]

Page 1 of 4 FCC ID: 2BTOF-PIN109 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 External Photos of the EUT Fig. 1 Fig. 2 Page 2 of 4 FCC ID: 2BTOF-PIN109 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 4 FCC ID: 2BTOF-PIN109 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 4 FCC ID: 2BTOF-PIN109 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

Page 1 of 1 FCC ID: 2BTOF-PIN109 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 LABEL AND LOCATION (Size: L 0.5cm x W 0.5cm) Label Location FCC ID: 2BTOF-PIN109

Page 1 of 11 FCC ID: 2BTOF-PIN109 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 11 FCC ID: 2BTOF-PIN109 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 11 FCC ID: 2BTOF-PIN109 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 11 FCC ID: 2BTOF-PIN109 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 11 FCC ID: 2BTOF-PIN109 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 11 FCC ID: 2BTOF-PIN109 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 11 FCC ID: 2BTOF-PIN109 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 11 FCC ID: 2BTOF-PIN109 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 Page 9 of 11 FCC ID: 2BTOF-PIN109 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. 17 Fig. 18 Page 10 of 11 FCC ID: 2BTOF-PIN109 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. 19 Fig. 20 BT ANTENNA Page 11 of 11 FCC ID: 2BTOF-PIN109 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. 21

Page 1 of 9 FCC ID: 2BTOF-PIN109 Report No.: LCSC12115047EC 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 RF Exposure Evaluation FOR The Pin Universe LLC Wireless Earphone Test Model: PIN AI Additional Model No.: PIN AI II,PIN AI Pro,PIN AI Max,PIN AI Infinity Prepared for : The Pin Universe LLC Address : Unit 542, Building H, 3400 Country Dr, Fremont, California, USA - 94536 Prepared by : Guangzhou LCS Compliance Testing Laboratory Ltd. Address : No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel : (+86) 020-39166689 Fax : (+86) 020-39166619 Web : www.LCS-cert.com Mail : [email protected] Date of receipt of test sample : December 15, 2025 Number of tested samples : 2 Sample No. ： C251211011-1, C251211011-2 Serial number : Prototype Date of Test : December 15, 2025 ~ December 25, 2025 Date of Report : December 26, 2025 Page 2 of 9 FCC ID: 2BTOF-PIN109 Report No.: LCSC12115047EC 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 RF Exposure Evaluation Report Reference No. ................. : LCSC12115047EC Date of Issue ................................... : December 26, 2025 Testing Laboratory Name ............ : Guangzhou LCS Compliance Testing Laboratory Ltd. Address ........................................... : No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Testing Location/ Procedure .......... : Full application of Harmonised standards ■ Partial application of Harmonised standards □ Other standard testing method □ Applicant’s Name.......................... : The Pin Universe LLC Address ........................................... : Unit 542, Building H, 3400 Country Dr, Fremont, California, USA - 94536 Test Specification Standard ......................................... : FCC KDB publication 447498 D01 General RF Exposure Guidance v06 FCC CFR 47 part1 1.1310 FCC CFR 47 part2 2.1093 Test Report Form No. ..................... : TRF-4-E-215 A/0 TRF Originator ................................ : Guangzhou LCS Compliance Testing Laboratory Ltd. Master TRF ..................................... : Dated 2011-03 Guangzhou LCS Compliance Testing Laboratory Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Guangzhou LCS Compliance Testing Laboratory Ltd. is acknowledged as copyright owner and source of the material. Guangzhou LCS Compliance Testing Laboratory Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test Item Description. .................. : Wireless Earphone Trade Mark ..................................... : N/A Test Model ...................................... : PIN AI Ratings ............................................ : Please Refer to Page 6 Result ........................................... : PASS Compiled by: Supervised by: Approved by: Lifeng Le / Administrator ....... Justin Zhu/ Technique Director Gavin Liang/ Manager Page 3 of 9 FCC ID: 2BTOF-PIN109 Report No.: LCSC12115047EC 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 RF Exposure Evaluation Test Result PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Test Report No. : LCSC12115047EC December 26, 2025 Date of issue Test Model.............................. : PIN AI EUT......................................... : Wireless Earphone Applicant............................... : The Pin Universe LLC Address................................... : Unit 542, Building H, 3400 Country Dr, Fremont, California, USA - 94536 Telephone............................... : / Fax.......................................... : / Manufacturer......................... : Guangdong Xinliang Intelligent Technology Co.,Ltd Address................................... : Room 1402, No.52 Building, No.1 Jingdong Road, Fenggang Town, Dongguan City, Guandgong Province, China Telephone............................... : Fax.......................................... : Factory................................... : Guangdong Xinliang Intelligent Technology Co.,Ltd Address................................... : Room 1402, No.52 Building, No.1 Jingdong Road, Fenggang Town, Dongguan City, Guandgong Province, China Telephone............................... : / Fax.......................................... : / Page 4 of 9 FCC ID: 2BTOF-PIN109 Report No.: LCSC12115047EC 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 Revision History Report Version Issue Date Revision Content Revised By 000 December 26, 2025 Initial Issue --- Page 5 of 9 FCC ID: 2BTOF-PIN109 Report No.: LCSC12115047EC 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 TABLE OF CONTENTS Description Page 1. PRODUCT INFORMATION ........................................................................................................................ 6 2. EVALUATION METHOD AND LIMIT ........................................................................................................ 6 3. REFER EVALUATIO…

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2.4GHz1608ChipAntenna:RANT1608F245C04 _ Application: WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberInformation RANT1608F245C04 (A)(B)(C)(D)(E)(F) ElectricalSpecification 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=04 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 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz1608ChipAntenna:RANT1608F245C04 _ 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 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz1608ChipAntenna:RANT1608F245C04 _ 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 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz1608ChipAntenna:RANT1608F245C04 _ 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 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz 1 6 0 8 Chip Antenna: RANT1608F245C04 _ 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 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen.

Page 1 of 23 FCC ID:2BTOF-PIN109 Report No.: LCSC12115047EB 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 B RF Test Data for BT LE (Conducted Measurement) Product Name: Wireless Earphone Test Model: PIN AI Environmental Conditions Temperature: 23.8C Relative Humidity: 52.6% ATM Pressure: 100.0 kPa Test Engineer: Suichao Lai Supervised by: Yan Chen Page 2 of 23 FCC ID:2BTOF-PIN109 Report No.: LCSC12115047EB 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 B.1 DTS Bandwidth Test Result TestMode Antenna Freq(MHz) DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE Ant 2402 0.660 2401.660 2402.320 0.5 PASS 2440 0.664 2439.660 2440.324 0.5 PASS 2480 0.660 2479.660 2480.320 0.5 PASS Page 3 of 23 FCC ID:2BTOF-PIN109 Report No.: LCSC12115047EB 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 BLE_Ant_2402 BLE_Ant_2440 BLE_Ant_2480 Page 4 of 23 FCC ID:2BTOF-PIN109 Report No.: LCSC12115047EB 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 Page 5 of 23 FCC ID:2BTOF-PIN109 Report No.: LCSC12115047EB 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 B.2 Maximum Peak Conducted Output Power Test Result Peak TestMode Antenna Freq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict BLE Ant 2402 -3.42 ≤30 PASS 2440 0.18 ≤30 PASS 2480 -0.52 ≤30 PASS Page 6 of 23 FCC ID:2BTOF-PIN109 Report No.: LCSC12115047EB 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 Peak BLE_Ant_2402 BLE_Ant_2440 BLE_Ant_2480 Page 7 of 23 FCC ID:2BTOF-PIN109 Report No.: LCSC12115047EB 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 Page 8 of 23 FCC ID:2BTOF-PIN109 Report No.: LCSC12115047EB 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 B.3 Maximum Power Spectral Density Level Test Result TestMode Antenna Freq(MHz) Result[dBm/3kHz] Limit[dBm/3kHz] Verdict BLE Ant 2402 -20.45 ≤8.00 PASS 2440 -16.67 ≤8.00 PASS 2480 -17.37 ≤8.00 PASS Page 9 of 23 FCC ID:2BTOF-PIN109 Report No.: LCSC12115047EB 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 BLE_Ant_2402 BLE_Ant_2440 BLE_Ant_2480 Page 10 of 23 FCC ID:2BTOF-PIN109 Report No.: LCSC12115047EB 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 Page 11 of 23 FCC ID:2BTOF-PIN109 Report No.: LCSC12115047EB 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 B.4 Band Edge Test Result TestMode Antenna ChName Freq(MHz) RefLevel[dBm] Result[dBm] Limit[dBm] Verdict BLE Ant Low 2402 -4.81 -45.04 ≤-24.81 PASS High 2480 -1.22 -45.13 ≤-21.22 PASS Page 12 of 23 FCC ID:2BTOF-PIN109 Report No.: LCSC12115047EB 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 BLE_Ant_Low_2402 BLE_Ant_High_2480 Page 13 of 23 FCC ID:2BTOF-PIN109 Report No.: LCSC12115047EB 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 B.5 Conducted RF Spurious Emission Test Result TestMode Antenna Freq(MHz) FreqRange [MHz] RefLevel [dBm] Result[dBm] Limit[dBm] Verdict BLE Ant 2402 Reference -4.31 -4.31 --- PASS 30~1000 -4.31 -60.11 ≤-24.31 PASS 1000~26500 -4.31 -42.62 ≤-24.31 PASS 2440 Reference -0.53 -0.53 --- PASS 30~1000 -0.53 -62.23 ≤-20.53 PASS 1000~26500 -0.53 -40.01 ≤-20.53 PASS 2480 Reference -1.20 -1.20 --- PASS 30~1000 -1.20 -58.78 ≤-21.2 PASS 1000~26500 -1.20 -43.37 ≤-21.2 PASS Page 14 of 23 FCC ID:2BTOF-PIN109 Report No.: LCSC12115047EB 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 BLE_Ant_2402_0~Reference BLE_Ant_2402_30~1000 BLE_Ant_2402_1000~26500 Page 15 of 23 FCC ID:2BTOF-PIN109 Report No.: LCSC12115047EB 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 BLE_Ant_2440_0~Reference BLE_Ant_2…

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Page 1 of 34 FCC ID: 2BTOF-PIN109 Report No.: LCSC12115047EB 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 FCC TEST REPORT For The Pin Universe LLC Wireless Earphone Test Model: PIN AI Additional Model No.: PIN AI II,PIN AI Pro,PIN AI Max,PIN AI Infinity Prepared for : The Pin Universe LLC Address : Unit 542, Building H, 3400 Country Dr, Fremont, California, USA -…

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