2ALNA-BTH99True Wireless Earbuds

electric technology co., LTD.

Shenzhen Thousandshores Technology Co., Ltd. Room 1101, Building B, Lotus Plaza, No. 3186 Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China 2.911 (d)(7)USA Agentv1.5 Section 2.9 11(d)(7) USA Agent for Service of Process Company name: Shenzhen Thousandshores Technology Co., Ltd. Address: Room 1101, Building B, Lotus Plaza, No. 3186 Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Product Name: True Wireless Earbuds FCC ID: 2ALNA-BTH99 Model(s): BTH99 2.911(d)(7) USA Designated Agent for Service of Process We, [Shenzhen Thousandshores Technology Co., Ltd.] (“the applicant”) designate [Thousandshores Inc] NOTE1 for the purpose of accepting service of process on behalf of the applicant. Applicant consent:We Acknowledgeour consent to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address of the designated agent and acknowledgeour acceptance of our obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission- related administrative or judicial proceeding involving the equipment, whichever is later. Agent obligation:We Acknowledgeourobligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email addressfor no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. USA Agent Company name: Thousandshores Inc Address: 37707 Cherry St, Newark, CA 94560, United States FRN: 0033423062 Contact Name: Jack Yu Telephone No: (510) 477-0249 Applicant Company name: Shenzhen Thousandshores Technology Co., Ltd. Address: Room 1101, Building B, Lotus Plaza, No. 3186 Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China FRN：0026388363 FCC Grantee Code: 2ALNA Contact Name: Catherine Lu Shenzhen Thousandshores Technology Co., Ltd. Room 1101, Building B, Lotus Plaza, No. 3186 Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China 2.911 (d)(7)USA Agentv1.5 Email: [email protected] No: +86-0755-26728574 Email: [email protected] Signature: Title: Test Engineer Date: 06-25-2024 Signature: Title: Test engineer Date: 06-25-2024 NOTE 1: An applicant located in the United States may designate itself as the agent for service of process. Reference;Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

C5266091_X24_Ed.2 1/1 Shenzhen Thousandshores Technology Co., Ltd. TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: Shenzhen Thousandshores Technology Co., Ltd. Grantee code: 2ALNA FRN: 0026388363 FCC ID: 2ALNA-BTH99 Contact Name: Catherine Lu Address: Room 1101, Building B, Lotus Plaza, No. 3186 Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Telephone No: +86-0755-26728574-826 Fax No: +86-0755-26973399 Email: [email protected] i. Shenzhen Thousandshores Technology Co., Ltd. (“the applicant”) 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. The applicant must sign this certification. ii. Shenzhen Thousandshores Technology Co., Ltd. (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not (as a specifically named entity or any of its subsidiaries or affiliates)identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. Shenzhen Thousandshores Technology Co., Ltd. (“the applicant”) certifies 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 . Date: 2024/06/25 Applicant’s Name: Catherine Lu Title: Test engineer Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist

C5266091_X8_Ed.1 1/1 Letter of Authorization Shenzhen Thousandshores Technology Co., Ltd. Company: Shenzhen Thousandshores Technology Co., Ltd. Address: Room 1101, Building B, Lotus Plaza, No. 3186 Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Product Name: True Wireless Earbuds Model Number: BTH99 FCC Identifier: 2ALNA-BTH99 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Catherine Lu Date:2024-06-25 Title: Test engineer Signature of applicant:

C5266091_X10_Ed.2 1/1 Shenzhen Thousandshores Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date:2024-06 -25 Subject: Request for Confidentiality FCC ID: 2ALNA-BTH99 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☐ ☐ Schematics ☐ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☐ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Catherine Lu Title: Test engineer

Page 1 of 4 Appendix C: Photographs of EUT Product: True Wireless Earbuds Model: BTH99 External Photos Page 2 of 4 Page 3 of 4 Page 4 of 4

Label Artwork and Location Model: BTH99 Label: Size: L*W=24*8mm Location FCC ID: 2ALNA-BTH99

Page 1 of 3 Appendix C: Photographs of EUT Product: True Wireless Earbuds Model: BTH99 Internal Photos Page 2 of 3 Antenna Page 3 of 3

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID ............................. : 2ALNA-BTH99 Test Report No. ............... : TCT240604E028 Date of issue ................... : Jun. 21, 2024 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Shenzhen Thousandshores Technology Co., Ltd. Address ........................... : Room 1101, Building B, Lotus Plaza, No. 3186 Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Manufacturer's name ... : Shenzhen Thousandshores Technology Co., Ltd. Address ........................... : Room 1101, Building B, Lotus Plaza, No. 3186 Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Standard(s) ..................... : KDB 447498 D01 General RF Exposure Guidance v06 Product Name ................. : True Wireless Earbuds Trade Mark ...................... : Sportneer Model/Type reference..... : BTH99 Rating(s).......................... : Rechargeable Li-ion Battery DC 3.7V Date of receipt of test item ......................................... : Jun. 04, 2024 Date (s) of performance of test ................................... : Jun. 04, 2024 ~ Jun. 21, 2024 Tested by (+signature) ... : Onnado YE Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT240604E028 Page 2 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 2. General Information ................................................................................. 4 2.1. Test environment and mode ................................................................................. 4 2.2. Description of Support Units ................................................................................ 4 3. Facilities and Accreditations .................................................................. 5 3.1. Facilities ................................................................................................................. 5 3.2. Location ................................................................................................................. 5 4. Test Results and Measurement Data ..................................................... 6 Report No.: TCT240604E028 Page 3 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : True Wireless Earbuds Model/Type reference........... : BTH99 Sample Number....................: TCT240604E022-0101 Operation Frequency ........... : 2402MHz~2480MHz Modulation Type ................... : For BT: GFSK, π/4-DQPSK, 8DPSK For BLE: GFSK Antenna Type ........................ : Internal Antenna Antenna Gain ........................ : 0.31dBi Rating(s)................................ : Rechargeable Li-ion Battery DC 3.7V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list None. Report No.: TCT240604E028 Page 4 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. General Information 2.1. Test environment and mode Item Normal condition Temperature +25ºC Voltage DC 3.7V Humidity 56% Atmospheric Pressure: 1008 mbar Test Mode: Engineering mode: Keep the EUT in continuous transmitting by select channel 2.2. Description of Support Units The EUT has been tested as an independent unit together with other necessary accessories or support units. The following support units or accessories were used to form a representative test configuration during the tests. Equipment Model No. Serial No. FCC ID Trade Name / / / / / Note: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 3. For conducted measurements (Output Power, 20dB Occupied Bandwidth, Carrier Frequencies Separation, Hopping Channel Number, Dwell Time, Spurious Emissions), the antenna of EUT is connected to the test equipment via temporary antenna connector, the antenna connector is soldered on the antenna port of EUT, and the temporary antenna connector is listed in the Test Instruments. Report No.: TCT240604E028 Page 5 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 3. Facilities and Accreditations 3.1. Facilities The test facility is recognized, certified, or accredited by the following organizations: ● FCC - Registration No.: 645098 SHENZHEN TONGCE TESTING LAB Designation Number: CN1205 The testing lab has been registered and fully described in a report with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. ● IC - Registration No.: 10668A-1 SHENZHEN TONGCE TESTING LAB CAB identifier: CN0031 The testing lab has been registered by Certification and Engineering Bureau …

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Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2ALNA-BTH99 Test Report No. ............... : TCT240604E023 Date of issue ................... : Jun. 21, 2024 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Shenzhen Thousandshores Technology Co., Ltd. Address ........................... : Room 1101, Building B, Lotus Plaza, No. 3186 Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Manufacturer's name ... : Shenzhen Thousandshores Technology Co., Ltd. Address ........................... : Room 1101, Building B, Lotus Plaza, No. 3186 Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 FCC KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2013 Product Name ................. : True Wireless Earbuds Trade Mark ...................... : Tribit Model/Type reference..... : BTH99 Rating(s).......................... : Rechargeable Li-ion Battery DC 3.7V Date of receipt of test item ......................................... : Jun. 04, 2024 Date (s) of performance of test ................................... : Jun. 04, 2024 ~ Jun. 21, 2024 Tested by (+signature) ... : Onnado YE Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT240604E023 Page 2 of 56 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 1.3. Operation Frequency ............................................................................................ 3 2. Test Result Summary .............................................................................. 4 3. General Information ................................................................................. 5 3.1. Test environment and mode ................................................................................. 5 3.2. Description of Support Units ................................................................................ 5 4. Facilities and Accreditations .................................................................. 6 4.1. Facilities ................................................................................................................. 6 4.2. Location ................................................................................................................. 6 4.3. Measurement Uncertainty ..................................................................................... 6 5. Test Results and Measurement Data ..................................................... 7 5.1. Antenna requirement ............................................................................................ 7 5.2. Conducted Emission ............................................................................................. 8 5.3. Conducted Output Power ................................................................................... 12 5.4. Emission Bandwidth ........................................................................................... 13 5.5. Power Spectral Density ....................................................................................... 14 5.6. Conducted Band Edge and Spurious Emission Measurement ....................... 15 5.7. Radiated Spurious Emission Measurement ...................................................... 17 Appendix A: Test Result of Conducted Test Appendix B: Photographs of Test Setup Appendix C: Photographs of EUT Report No.: TCT240604E023 Page 3 of 56 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : True Wireless Earbuds Model/Type reference........... : BTH99 Sample Number....................: TCT240604E022-0101 Bluetooth Version ................ : V5.3 (This report is for BLE) Operation Frequency ........... : 2402MHz~2480MHz Channel Separation ............. : 2MHz Data Rate............................... : LE 1M PHY, LE 2M PHY Number of Channel .............. : 40 Modulation Type ................... : GFSK Antenna Type ........................ : Internal Antenna Antenna Gain ........................ : 0.31dBi Rating(s)................................ : Rechargeable Li-ion Battery DC 3.7V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list None. 1.3. Operation Frequency Channel Frequency Channel Frequency Channel Frequency Channel Frequency 0 2402MHz 10 2422MHz 20 2442MHz 30 2462MHz 1 2404MHz 11 2424MHz 21 2444MHz 31 2464MHz ... ... ... ... ... ... ... ... 8 2418MHz 18 2438MHz 28 2458MHz 38 2478MHz 9 2420MHz 19 2440MHz 29 2460MHz 39 2480MHz Remark: Channel 0, 19 & 39 have been tested. Report No.: TCT240604E023 Page 4 of 56 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. Test Result Summary Requirement CFR 47 Section Res…

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R&D,productionandsalesofprofessionalwirelessterminalantenna LETTEROFACCEPTANCE SPECIFICATIONFORAPPROVAL CustomerName：ShenzhenXinZhengyuTechnologyCo.,LTD ProductModel：CT-22 CustomerP/N：3614.10.1471.00CT22-FPCantenna（Jerryscheme）L 3614.10.1481.00CT22-FPCantenna（Jerryscheme）R XINHENGYANGP/N：EJ.01.0055-CT22LEJ.02.0055-CT22R SPECIFFCATIONS:BT Productiondate：2024.7.1 SampleVersion：V1 Manufacturer:ShenzhenXinhengyangTechnologyCo.,LTD Address:7A-909KangheshengBuilding,No.1ChuangshengRoad,Xili Street,Tel:0755-83600916Email:xinhengyang1116@163,com Networkaddress：https://www.xhy-2008.com XINHENGYANG FICTIONStructureR&D Customer PURQCR&D R&D,productionandsalesofprofessionalwirelessterminalantenna NumberEffectivedateChangerecord V1.02024.07.01 Initialrelease R & D, productionand sales of professionalwirelessterminalantenna 1、Thebasicparameters A. ElectricalCharacteristics Frequency2400MHZ-2500MHZ VSWR< 3.0 AvgEfficiency>12% Impedance Polarization PeakGain 50 ± 25 Ohm Linear 2400MHZ:0.31dBi B. Material& MechanicalCharacteristics Materialof RadiatorFPCyellowElectrolyticcopper+PI CableType/ ConnectorType/ Dimension/ C. Environmental OperationTemperature - 30 ̊C ~ + 85 ̊C StorageTemperature - 30 ̊C ~ + 85 ̊C R & D, productionand sales of professionalwirelessterminalantenna 2、ElectricalSpecification Those specificationswere speciallydefinedforCT-22model .. 3、VSWR 1 MeasuringMethod 1.A 50Ωcoaxialcable is connectedto the antenna. Then this cable is connected to a networkanalyzerto measurethe VSWR 2.Keepingthis jig away from metal at least 20cm 2 Measurementfrequencypoints and VSWRvalue Original matching R & D, productionand sales of professionalwirelessterminalantenna 4、Anechoicchamber Introduction: Microwavedarkroomand no reflectionchamber,absorbingshort wave darkroom dark room.Microwavedarkroomby electromagneticshieldingroom,filtering and isolation,groundingdevice,the ventilationduct, indoordistributionsystem, monitoringsystem,ceilingwave materialpart. It is basedon the wave absorbing materialas the liningof the shieldroom,it can absorbthe mostof the electromagneticenergyinto the six wall is a bettersimulationof the free space conditions. The main workingprincipleof microwaveanechoicchamberis accordingto the electromagneticwavein the mediumfrom the low magneticguidemagnetic directionof propagationrules,absorbingmaterialsto guidethe electromagnetic wave usinghigh permeability,throughresonance,a substantialabsorptionof electromagneticwave radiationenergy,by couplingthe electromagneticenergy into heat energy. mainperformance： Frequencyrange:400MHz~ 6GHzceilingreflectedwave loss materials:400MHz~ 6GHzis equal to or more than 15dB (microwaveabsorbingmaterialby compositewave absorbingmaterials,namelytaperedcontainingcarbonspongesuctionwave material paste in ferrite) Original matchingOriginal matching R & D, productionand sales of professionalwirelessterminalantenna 5、Gaintable of Antenna Passivefieldpattern：2400MHZ-2500MHZ-L Passivefieldpattern：2400MHZ-2500MHZ-R R&D,productionandsalesofprofessionalwirelessterminalantenna Passiveefficiencygain： LR Frequency ID Frequency (MHz) Gain (dBi) Efficiency (%) Frequency ID Frequency (MHz) Gain (dBi) Efficiency (%) 12400.0-1.8523.1912400.0-0.424.92 22410.0-1.1926.6822410.0-0.8123.51 32420.0-0.7631.4032420.0-1.2222.91 42430.0-0.2336.8942430.0-1.6921.13 52440.00.1642.0752440.0-1.9019.98 62450.00.3144.3762450.0-2.2918.03 72460.00.1644.1272460.0-2.6316.85 82470.0-0.3841.3782470.0-2.9415.21 92480.0-0.9937.9792480.0-3.1613.73 102490.0-1.7234.85102490.0-3.2513.11 112500.0-2.0332.49112500.0-3.4212.22 OTAactive R&D,productionandsalesofprofessionalwirelessterminalantenna 6、AntennaDimensions R&D,productionandsalesofprofessionalwirelessterminalantenna 7、Physicalpicture 8、ROHS AntennaEJ.01.0055-CT22LEJ.02.0055-CT22R meetsRoHSrequirements. 9、Productpackaginginstructions A.packingshouldmeetthemoistureproof,vibration,pressureand mildewproof,etc. B.thesmallestpackingunitlogomusthavethemanufacturer trademarks,productmodel,name,codeandquantity. C.intheattachedpackinglist,certificateofapproval,andthefactory inspectionreport. ***************************END****************************

Page 1 of 2 Appendix B: Photographs of Test Setup Product: True Wireless Earbuds Model: BTH99 Radiated Emission Right earbud Page 2 of 2 Conducted Emission