2BV2J-TA210Lenovo True Wireless Bluetooth Earphones

Dongguan Zhiwan Lantuo Electronic Technology Co., Ltd Room 4416, No. 14 Hongyuan Road, Nancheng Street, Dongguan City, Guangdong Province China Date:05-25-2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2BV2J-TA210 FRN: 0038404588 US Agent – Attestation Statement / Part 2.911(d)(7) Dongguan Zhiwan Lantuo Electronic Technology Co., Ltd certifies, that as of 05-25-2026, we have designated FCC US Agent, LLC to accept service of process on our behalf for FCC ID: 2BV2J-TA210 Dongguan Zhiwan Lantuo Electronic Technology Co., Ltd, 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 Dongguan Zhiwan Lantuo Electronic Technology Co., Ltd for FCC ID: 2BV2J-TA210 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, Dongguan Zhiwan Lantuo Electronic Technology Co., Ltd Designated Agent: FCC US Agent, LLC Company Representative: Cheng Lv Designated Agent Representative: Tim Payne Signature: Signature:

Appendix-TA210-Photos Reference No.: WTH26D04105905WPage 3 of 13 2. Photographs –Constructional Details 2.1. EUT – External View Model TA210 FCC ID: 2BV2J-TA210 Appendix-TA210-Photos Reference No.: WTH26D04105905WPage 4 of 13 Appendix-TA210-Photos Reference No.: WTH26D04105905WPage 5 of 13 Appendix-TA210-Photos Reference No.: WTH26D04105905WPage 6 of 13 Appendix-TA210-Photos Reference No.: WTH26D04105905WPage 7 of 13

Label Label Location Process parameters: 1. label size is 12mm* 7mm 2. Text Color: Gold‐colored characters 3. Background: No background fill (transparent/clear base, no opaque backing) 4. Printing method: The characters are printed in the recesses of the earphone body, with clear characters, no ink overflow, and no risk of detachment.

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Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 8 TEST REPORT Referen ce No. .................... : WTH26D04105905W003 FCC ID ................................ : 2BV2J-TA210 Applicant ............................ : Dongguan Zhiwan Lantuo Electronic Technology Co., Ltd Address .............................. : Room 4416, No. 14 Hongyuan Road, Nancheng Street, Dongguan City,Guangdong Province, China Manufacturer ..................... : Dongguan Zhiwan Lantuo Electronic Technology Co., Ltd Address .............................. : Room 4416, No. 14 Hongyuan Road, Nancheng Street, Dongguan City,Guangdong Province, China Product ............................... : Lenovo True Wireless Bluetooth Earphones Model(s). ............................ : TA210 Standards........................... : 47CFR FCC Part 2 Subpart J Section 2.1093 Date of Receipt Sample .... : 2026-04-30 Date of Test ....................... : 2026-05-11 to 2026-05-19 Date of Issue ...................... : 2026-05-26 Test Result ......................... : Pass Remarks: The res ults shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: Frank Yin / Pro ject Engineer Deval Qin/ Designated Reviewer Reference No.: WTH26D04105905W003 Page 2 of 8 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 2. Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2. CONTENTS ............................................................................................................................................... 2 3. REVISION HISTORY ................................................................................................................................. 3 4. GENERAL INFORMATION ....................................................................................................................... 4 4.1. GENERAL DESCRIPTION OF E.U.T.................................................................................................... 4 4.2. DETAILS OF E.U.T. ......................................................................................................................... 4 4.3. TEST FACILITY ................................................................................................................................ 5 4.4. SUBCONTRACTED ........................................................................................................................... 5 4.5. ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................ 5 5. TEST SUMMARY ...................................................................................................................................... 6 6. RF EXPOSURE ......................................................................................................................................... 7 6.1. PROCEDURES AND REQUIREMENTS ................................................................................................. 7 6.2. CALCULATION METHOD ................................................................................................................... 7 6.3. TEST RESULT ................................................................................................................................. 8 Reference No.: WTH26D04105905W003 Page 3 of 8 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 3. Revision History Test Report No. Date of Receipt Sample Date of Test Date of Issue Purpose CommentApproved WTH26D04105905W003 2026-04-30 2026-05-11 to 2026-05-19 2026-05-26 Original - Valid Reference No.: WTH26D04105905W003 Page 4 of 8 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 4. General Information 4.1. General Description of E.U.T. Product: Lenovo True Wireless Bluetooth Earphones Model(s): TA210 Model Description: N/A Test Sample No.: 1-1/1 Bluetooth Version: V5.4 Hardware Version: V4.1 Software Version: S414 4.2. Details of E.U.T. Operation Frequency: 2402~2480MHz Max. RF output power: 5.15dBm Type of Modulation: GFSK, π/4DQPSK, 8DPSK Antenna installation: PCB Antenna Antenna Gain: -1.2dBi Note: #: The antenna gain is provided by the applicant, and the applicant should be responsible for its authenticity, WALTEK lab has not verified the authenticity of its information. Ratings: 5V⎓25mA Battery: DC 3.7V 200mAh Reference No.: WTH26D04105905W003 Page 5 of 8 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 4.3. Test Facility The test facility has a test site registered with the following organizations: ISED CAB identifier: CN0013. Test Firm Registration No.: 7760A. Waltek Testing Group Co., Ltd. Has been registered and fully described in a report filed with the Industry Canada. The acceptance letter from the Industry Canada is maintained in our files. Registration number 7760A, October 15, 2016. FCC Designation No.: CN1201. Test Firm Registration No.: 523476. Waltek Testing Group Co., Ltd. EMC Laboratory has been registered and fully described in a report filed with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. Registration number 523476, September 10, 2019. 4.4. Subcontracted Whether parts of tests for the product have been subcontracted to other labs: Yes No If Yes, list the related test items and lab information: Test Lab: N/A Lab address: N/A Test items: N/A 4.5. Abnormalities from Standard Conditions None. Reference No.: WTH26D04105905W003 Page 6 of 8 Waltek Testing Group Co., Ltd. htt…

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Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 78 TEST REPORT Re ference No. .................... : WTH26D04105905W002 FCC ID ................................ : 2BV2J-TA210 Applicant ............................ : Dongguan Zhiwan Lantuo Electronic Technology Co., Ltd Address .............................. : Room 4416, No. 14 Hongyuan Road, Nancheng Street, Dongguan City,Guangdong Province, China Manufacturer .................... : Dongguan Zhiwan Lantuo Electronic Technology Co., Ltd Address .............................. : Room 4416, No. 14 Hongyuan Road, Nancheng Street, Dongguan City,Guangdong Province, China Product ............................... : Lenovo True Wireless Bluetooth Earphones Model(s). ............................ : TA210 Standards........................... : FCC 47CFR Part 15.247 Date of Receipt Sample .... : 2026-04-30 Date of Test ....................... : 2026-05-11 to 2026-05-19 Date of Issue ...................... : 2026-05-26 Test Result ......................... : Pass Remarks: The res ults shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: Frank Yin / Pro ject Engineer Deval Qin / Designated Reviewer Reference No.: WTH26D04105905W002 Page 2 of 78 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 2 Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2 CONTENTS ............................................................................................................................................... 2 3 REVISION HISTORY ................................................................................................................................. 4 4 GENERAL INFORMATION ....................................................................................................................... 5 4.1 GENERAL DESCRIPTION OF E.U.T. ....................................................................................................... 5 4.2 DETAILS OF E.U.T. .............................................................................................................................. 5 4.3 CHANNEL LIST ..................................................................................................................................... 6 4.4 TEST MODE ........................................................................................................................................ 6 4.5 TEST FACILITY .................................................................................................................................... 7 5 TEST SUMMARY ...................................................................................................................................... 8 6 EQUIPMENT USED DURING TEST ......................................................................................................... 9 6.1 EQUIPMENTS LIST ............................................................................................................................... 9 6.2 DESCRIPTION OF SUPPORT UNITS ...................................................................................................... 10 6.3 MEASUREMENT UNCERTAINTY ........................................................................................................... 10 7 CONDUCTED EMISSION ....................................................................................................................... 11 7.1 E.U.T. OPERATION ............................................................................................................................ 11 7.2 EUT SETUP ...................................................................................................................................... 11 7.3 MEASUREMENT DESCRIPTION ............................................................................................................ 12 7.4 CONDUCTED EMISSION TEST RESULT ................................................................................................ 12 8 RADIATED SPURIOUS EMISSIONS ..................................................................................................... 14 8.1 EUT OPERATION ............................................................................................................................... 14 8.2 TEST SETUP ..................................................................................................................................... 15 8.3 SPECTRUM ANALYZER SETUP ............................................................................................................ 16 8.4 TEST PROCEDURE ............................................................................................................................. 1 7 8.5 CORRECTED AMPLITUDE & MARGIN CALCULATION .............................................................................. 17 8.6 SUMMARY OF TEST RESULTS ............................................................................................................. 18 9 CONDUCTED SPURIOUS EMISSIONS ................................................................................................. 21 9.1 TEST PROCEDURE ............................................................................................................................. 2 1 9.2 TEST RESULT .................................................................................................................................... 22 10 BAND EDGE MEASUREMENT ..................................…

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PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-3216Specification DOCUMENT NO. 3216 SPECREV. P1 产品规格承认书 SPECIFICATIONS 客户: CUSTOMER: 产品名称: DESCRIPTION:PCBAntenna 客户型号: CUSTOMERPARTNo: 产品型号: OURMODELNO: PCB3216 日期: DATE: 确认签字,盖章后请返回承认书一份 PLEASERETRUVTOUSONECOPYOF“SPECIFICATIONFORAPPROVAL” WITYYOURAPPROVEDSIGNATURES ApprovedLiuFeiAuditLiuFeiMakingLiuXiaoMei CustomerAcknowledgesSignature Date PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-3216Specification DOCUMENT NO. 3216 SPECREV. P1 PCB3216Specification APPLICATIONGUIDE PengBanXingYeShenZhenTechnologyCo. , Ltd Address：Room608,Building4,1970Scienceand TechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ AN G L E S＝ ± H O L E D I A＝ ± PengBanXingYeShenZhenTechnologyCo. , Ltd SCALE：N/AUNIT：mm TH ESE DRAWINGSAND SPECIFICATIONSARE THE PROPERTYOF PBXY TECHNOLOGYLimitedAND SHALLNOT BE REPRODUCEDOR USEDAS THE BASISFOR THE MANUFACTUREOR SALEOF APPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY : SeraCHECKEDBY: XD DESIGNEDBY: SeraAPPROVEDBY: XD TITLE：CHIP2450-3216 Specification DOCUMENT NO. 3216 SPECREV. P1 1. SPECIFICATIONS: No.ProductnumberPCB 3216 1CentralFrequency2440MHz 2Bandwidth100 (Min.)MHz 3ReturnLoss-10.96 (Max.)dB 4Peak Gain-1.2dBi 5Impedance/Ω 6Operating Temperature -40~+85 °C 7MaximumPower5W 8Resistanceto solderingheat 10 (@260°C) Sec. 9PolarizationLinear 10AzimuthBeamwidthOmni-directional 11TerminationSn (leadless) 2. ReturnLOSS: PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-3216Specification DOCUMENT NO. 3216 SPECREV. P1 3.2DRadiationPatterns PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-3216Specification DOCUMENT NO. 3216 SPECREV. P1 3DRadiationPattern

Appendix-TA210-Photos Reference No.: WTH26D04105905WPage 1 of 13 1. Test Setup photos Model TA210 FCC ID: 2BV2J-TA210 1.1 Photograph – Conducted Emission For Conducted Emission Test Site 1# 1.2 Photograph – Radiated Emissions For 9kHz-30MHz Test Site 2# Appendix-TA210-Photos Reference No.: WTH26D04105905WPage 2 of 13 For 30MHz-1000MHz Test Site 2# For Above 1GHz Test Site 1#