2A7GB-E10ture wireless earbuds

RoHS

{Shenzhen Jiechen Technology Co. LTD} {502,Floor 5,Building 17, Maker Town, No.4109, Liuxian Avenue,Pingshan Community,Taoyuan Street,Nanshan District, Shenzhen} Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 {29/03/2023} US Agent for Service of Process Designation {Shenzhen Jiechen Technology Co. LTD} acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2A7GB-E10): Name and company of U.S. agent: TianHeng Consulting, LLC Physical U.S. address of agent: 392 Andover Street, Wilmington, MA 01887, United States Email address of U.S. agent: [email protected] FRN of U.S. agent: 0033401258 {TianHeng Consulting, LLC} acknowledges their obligation to accept service of process on behalf of {Shenzhen Jiechen Technology Co. LTD}. {Shenzhen Jiechen Technology Co. LTD} accepts its 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. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). This agreement is only for the above and is valid for the product lifetime Sincerely, Signature Vincent Huang Project manager {Shenzhen Jiechen Technology Co. LTD} Signature Hualing Dong President TianHeng Consulting, LLC The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. 4 8 _ [ m o d el] U S _ A g e n t _ 2 .9 11 ( d )( 7 ) - U , V 0 2

C5266091_X24_Ed.1 1/1 “Attestation Statements” 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 Jiechen Technology Co. LTD Grantee code: 2A7GB FCC ID: 2A7GB-E10 Contact Name: Vincent Huang Address: 502, Floor5, Building 17, Maker Town, No.4109, Liuxian Avenue, Pingshan Community, Taoyuan Street, Nanshan District, Shenzhen China Telephone No: 8613826042556 Fax No: / Email: [email protected] i. [Shenzhen Jiechen 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 Jiechen 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. The applicant must sign this certification. Date: 2023/03/27 Applicant’s Name: Vincent Huang Title: vice-general manager 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

Shenzhen Jiechen Technology Co. LTD Product Similarity Declaration Product name: ture wireless earbuds Model name: E10, E10 Pro, E10 Plus FCC ID: 2A7GB-E10 We (Shenzhen Jiechen Technology Co. LTD) hereby state that all the models are electrical identical including the same software parameter and hardware design, same mechanical structure and design, the only difference is the model name. Signature: Name: Vincent Huang Title: vice-general manager 502,Floor 5,Building 17,Maker Town,No.4109,Liuxian Avenue,Pingshan Community,Taoyuan Street,Nanshan District, Shenzhen China 2023/3/29

C5266091_X8_Ed.1 1/1 Letter of Authorization Shenzhen Jiechen Technology Co. LTD Company: Shenzhen Jiechen Technology Co. LTD Address: 502, Floor 5, Building 17, Maker Town, No.4109, Liuxian Avenue, Pingshan Community, Taoyuan Street, Nanshan District, Shenzhen China Product Name: ture wireless earbuds Model Number: E10, E10 Pro, E10 Plus FCC Identifier: 2A7GB-E10 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: Vincent Huang Date: 2023.03.27 Title: vice-general manager Signature of applicant:

C5266091_X10_Ed.2 1/1 Shenzhen Jiechen Technology Co. LTD Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2023-03.27 Subject: Request for Confidentiality FCC ID: 2A7GB-E10 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. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. 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, C5266091_X10_Ed.2 1/1 Signature: Name: Vincent Huang Title: vice-general manager 2023.03.27

Page 1 of 4 FCC ID: 2A7GB-E10 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity External Photos of the EUT Fig. 1 Fig. 2 Page 2 of 4 FCC ID: 2A7GB-E10 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Fig. 3 Fig. 4 Page 3 of 4 FCC ID: 2A7GB-E10 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Fig. 5 Fig. 6 Page 4 of 4 FCC ID: 2A7GB-E10 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Fig. 7 Fig. 8

Page 1 of 1 FCC ID: 2A7GB-E10 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity LABEL AND LOCATION (Size: L1.0cm x 0.5cm) Label Location ture wireless earbuds Model: E10 FCC ID: 2A7GB-E10

Page 1 of 3 FCC ID: 2A7GB-E10 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Internal Photos of the EUT Fig. 1 Fig. 2 Page 2 of 3 FCC ID: 2A7GB-E10 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Fig. 3 Fig. 4 BT ANT Page 3 of 3 FCC ID: 2A7GB-E10 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Fig. 5 Fig. 6

Page 1 of 3 FCC ID: 2A7GB-E10 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity FCC RF Exposure Evaluation 1. Product Information FCC ID : 2A7GB-E10 Product name : ture wireless earbuds Test Model : E10 Additional Model No. : E10 Pro,E10 Plus Model Declaration : PCB board, structure and internal of these model(s) are the same, So no additional models were tested Power Supply : Input: DC 5V, 300mA Headset: DC 3.7V by Rechargeable Li-ion Battery, 35mAh Charging case: DC 3.7V by Rechargeable Li-ion Battery, 300mAh Hardware Version : V01-00 Software Version : V01 Bluetooth : 2402MHz ~ 2480MHz Channel Number : 79 channels for Bluetooth V5.3(DSS) Channel Spacing : 1MHz for Bluetooth V5.3(DSS) Modulation Type : GFSK, π/4-DQPSK, 8-DPSK for Bluetooth V5.3(DSS) Bluetooth Version : V5.3 Antenna Type : Ceramics Antenna Antenna Gain : 3.4dBi Exposure category : General population/uncontrolled environment EUT Type : Production Unit Device Type : Portable Device 2. Evaluation method and Limit According to KDB447498 D01 General RF Exposure Guidance v06 Section 4.3.1 Standalone SAR test exclusion considerations: “Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition, listed below, is satisfied. These test exclusion conditions are based on source-based time-averaged maximum conducted output power of the RF channel requiring evaluation, adjusted for tune-up tolerance, and the minimum test separation distance required for the exposure conditions.22 The minimum test separation distance is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander (see 5) of section 4.1). To qualify for SAR test exclusion, the test separation distances applied must be fully explained and justified by the operating configurations and exposure conditions of the transmitter and applicable host platform requirements, typically in the SAR measurement or SAR analysis report, according to the required published RF exposure KDB procedures. When no other RF exposure testing or reporting is required, a statement of justification and compliance must be included in the equipment approval, in lieu of the SAR report, to qualify for the SAR test exclusion. When required, the device specific conditions described in the other published RF exposure KDB procedures must be satisfied before applying these SAR test exclusion provisions; for example, handheld PTT two-way radios, handsets, Page 2 of 3 FCC ID: 2A7GB-E10 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity laptops & tablets etc.“ [(max. power of channel, including tune-up tolerance, mW)/ (min. test separation distance, mm)] · [√f (GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where: • f (GHz) is the RF channel transmit frequency in GHz • Power and distance are rounded to the nearest mW and mm before calculation • The result is rounded to one decimal place for comparison • 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to f) in section 4.1 is applied to determine SAR test exclusion. When one of the following test exclusion conditions is satisfied for all combinations of simultaneous transmission configurations, further equipment approval is not required to incorporate transmitter modules in host devices that operate in the mixed mobile and portable host platform exposure conditions. The grantee is responsible for documenting this according to Class I permissive change requirements. Antennas that qualify for standalone SAR test exclusion must apply the estimated standalone SAR to determine simultaneous transmission test exclusion. a) The [∑ of (the highest measured or estimated SAR for each standalone antenna configuration, adjusted for maximum tune-up tolerance) / 1.6 W/kg] + [∑ of MPE ratios] is ≤ 1.0. b)The SAR to peak location separation ratios of all simultaneously transmitting antenna pairs operating in portable device exposure conditions are all ≤ 0.04, and the [∑ of MPE ratios] is ≤ 1.0. 3. Refer Evaluation Method ANSI C95.1–1999: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. FCC KDB publication 447498 D01 General RF Exposure Guidance v06: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies. FCC CFR 47 part1 1.1310: Radiofrequency radiation exposure limits. FCC CFR 47 part2 2.1093: Radiofrequency radiation exposure evaluation: portable devices 4. Conducted Power Results <BT> Mode Channel Frequency (MHz) Peak Conducted Output Power (dBm) GFSK 0 2402 -1.11 39 2441 -0.58 78 2480 -0.80 π/4DQPSK 0 2402 -1.00 39 2441 -0.74 78 2480 -1.04 8DPSK 0 2402 -1.05 39 2441 -0.78 78 2480 -1.00 Page 3 of 3 FCC ID: 2A7GB-E10 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-8259133…

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SymbolsLWTA Dimensions1.60±0.200.80±0.200.80±0.200.30±0.10 NumberTerminal Name ① INPUT ② NC Dimensions（Unit：mm） L w ①② T ( Side View ) ( Bottom View ) ( Top View ) A Features 1.Surface Mounted Devices with a small dimension of 1.6 x 0.8 x 0.8 mm meet future miniaturization trend. 2,Embedded and LTCC (low temperature co-fired ceramic) technology is able to integrate with system design as well as beatifying the housing of final product. 3.High stability and low tolerance. Applications 1.Bluetooth 2.Wireless LAN 3.ISM band 2.4GHz wireless applications www.surbaner.com.cn SBR Communication has possession of proprietary information provided in this report and this proprietary information shall be kept in strict confidence and not disclosed to any person or firm without the prior written consent of SBR Communication Technology. . Page 1 P/N: SURL160808 SRF08 Evaluation Board and Matching Circuits www.surbaner.com.cn SBR Communication has possession of proprietary information provided in this report and this proprietary information shall be kept in strict confidence and not disclosed to any person or firm without the prior written consent of SBR Communication Technology. . Page 2 P/N: SURL160808 SRF08 Electrical Characteristics Characteristic curve www.surbaner.com.cn SBR Communication has possession of proprietary information provided in this report and this proprietary information shall be kept in strict confidence and not disclosed to any person or firm without the prior written consent of SBR Communication Technology. . Page 3 FeatureSpecification 1 Central frequency2450MHz 2 Bandwidth>100MHz 3 Peak gain3.4dBi 4 VSWR<2 5 PolarizationLinear 6 Azimuth beamwidthOmnidirectional 7 Impedance50 Ω P/N: SURL160808 SRF08 Radiation Pattern coordinates： Y-Z Plane X-Z Plane www.surbaner.com.cn SBR Communication has possession of proprietary information provided in this report and this proprietary information shall be kept in strict confidence and not disclosed to any person or firm without the prior written consent of SBR Communication Technology. . Page 4 P/N: SURL160808 SRF08 3D Radiation Pattern www.surbaner.com.cn SBR Communication has possession of proprietary information provided in this report and this proprietary information shall be kept in strict confidence and not disclosed to any person or firm without the prior written consent of SBR Communication Technology. . Page 5 X-Y Plane Frequency 2400MHz2450MHz2500MHz Avg. gain-1.14-0.85-1.30 Peak gain23.42.5 Efficiency77%82%78% P/N: SURL160808 SRF08 Moisture Proof Temperature：40±2°C Humidity：90~95%RH Duration：500h Recovery conditions：Room temperature Recovery Time：24h (Class1) or 48h (Class2) Sol derabi li ty At least 95% of the terminal electrode is covered by new solder.Preheating conditions:80 to 120°C; 10~30s. SolderTe m p e r at u r e :2 3 5 ± 5°C Duration:2 ±0.5s , SolderTempe r atu re:24 5±5°C Du rat ion:2±0.5s Optimum Solder Amount for Reflow Soldering www.surbaner.com.cn SBR Communication has possession of proprietary information provided in this report and this proprietary information shall be kept in strict confidence and not disclosed to any person or firm without the prior written consent of SBR Communication Technology. . Page 6 Dependability Test Test Temperature: Operating Temperature Temperature Relative Humidity 25°C±3°C -25°C~+85°C 5~40°C 20~70% Too much solderCracks tend to occur due to large stress. Not enough solder Weak holding forcemay cause bad connection between the capacitor and PCB. Recommended Soldering amounts The optimal solder fillet amounts for re-flow soldering 天线厚度 以下 The optimal solder fillet amounts for wave soldering P/N: SURL160808 SRF08 Temperature Cycle Test 10±1S Applied Force: 5NDuration: 10±1S Preheating conditions: up-category temperature, 1h Recovery time: 24±1h Initial Measurement Cycling Times: 5 times, 1 cycle, 4 steps: www.surbaner.com.cn SBR Communication has possession of proprietary information provided in this report and this proprietary information shall be kept in strict confidence and not disclosed to any person or firm without the prior written consent of SBR Communication Technology. . Page 7 Resistanceto SolderingHeat Preheating80 to 120°C; 10~30s.SolderTemperature:235±5°C Duration:2±0.5s，SolderTemperature:245±5°C Duration:2±0.5s，Preheating100to200°C;10±2min. Solder Temperature: 265±5°C Duration: 10±1s Clean the capacitor with solvent and examine it with a 10X(min.) microscope. Recovery Time: 24±2h Recovery condition: Room temperature Resistance to Flexure of Substrate Test Board: Al 2 O 3 or PCBWarp: 1mm Speed: 0.5mm/sec. Unit: mm The measurement should be made with the board in the bending position. P/N: SURL160808 SRF08 www.surbaner.com.cn SBR Communication has possession of proprietary information provided in this report and this proprietary information shall be kept in strict confidence and not disclosed to any person or firm without the prior written consent of SBR Communication Technology. . Page 8 While in preheating,please keep the temperature difference between soldering temperature and surface temperature of chips as: T≤150°C. P/N: SURL160808 SRF08 Dimensions of paper taping for 0603types Reel（4000 pcs/Reel） Storage Period The guaranteed period for solderability is 6 months(Under deliver package condition).Temperature5~40°C /Relative Humidity20~70% www.surbaner.com.cn SBR Communication has possession of proprietary information provided in this report and this proprietary information shall be kept in strict confidence and not disclosed to any person or firm without the prior written consent of SBR Communication Technology. . Page 9 P/N: SURL160808 SRF08 Unit：mm

Page 1 of 54 FCC ID: 2A7GB-E10 Report No.: LCSA030623174EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Appendix A RF Test Data for BT (Conducted Measurement) Product Name: ture wireless earbuds Test Model: E10 Environmental Conditions Temperature: 23.5  C Relative Humidity: 52.2% ATM Pressure: 100.0 kPa Test Engineer: Mening Su Supervised by: Ling Zhu Page 2 of 54 FCC ID: 2A7GB-E10 Report No.: LCSA030623174EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity A.1 -20dB Bandwidth Condition Mode Frequency (MHz) Antenna -20 dB Bandwidth (MHz) Limit -20 dB Bandwidth (MHz) Verdict NVNT 1-DH5 2402 Ant 1.025 N/A Pass NVNT 1-DH5 2441 Ant 0.98 N/A Pass NVNT 1-DH5 2480 Ant 1.022 N/A Pass NVNT 2-DH5 2402 Ant 1.28 N/A Pass NVNT 2-DH5 2441 Ant 1.324 N/A Pass NVNT 2-DH5 2480 Ant 1.281 N/A Pass NVNT 3-DH5 2402 Ant 1.301 N/A Pass NVNT 3-DH5 2441 Ant 1.298 N/A Pass NVNT 3-DH5 2480 Ant 1.284 N/A Pass Page 3 of 54 FCC ID: 2A7GB-E10 Report No.: LCSA030623174EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Test Graphs -20dB Bandwidth NVNT 1-DH5 2402MHz Ant -20dB Bandwidth NVNT 1-DH5 2441MHz Ant Page 4 of 54 FCC ID: 2A7GB-E10 Report No.: LCSA030623174EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity -20dB Bandwidth NVNT 1-DH5 2480MHz Ant -20dB Bandwidth NVNT 2-DH5 2402MHz Ant Page 5 of 54 FCC ID: 2A7GB-E10 Report No.: LCSA030623174EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity -20dB Bandwidth NVNT 2-DH5 2441MHz Ant -20dB Bandwidth NVNT 2-DH5 2480MHz Ant Page 6 of 54 FCC ID: 2A7GB-E10 Report No.: LCSA030623174EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity -20dB Bandwidth NVNT 3-DH5 2402MHz Ant -20dB Bandwidth NVNT 3-DH5 2441MHz Ant Page 7 of 54 FCC ID: 2A7GB-E10 Report No.: LCSA030623174EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity -20dB Bandwidth NVNT 3-DH5 2480MHz Ant Page 8 of 54 FCC ID: 2A7GB-E10 Report No.: LCSA030623174EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity A.2 Maximum Conducted Output Power Condition Mode Frequency (MHz) Antenna Total Power (dBm) Limit (dBm) Verdict NVNT 1-DH5 2402 Ant -1.11 21 Pass NVNT 1-DH5 2441 Ant -0.58 21 Pass NVNT 1-DH5 2480 Ant -0.80 21 Pass NVNT 2-DH5 2402 Ant -1.00 21 Pass NVNT 2-DH5 2441 Ant -0.74 21 Pass NVNT 2-DH5 2480 Ant -1.04 21 Pass NVNT 3-DH5 2402 Ant -1.05 21 Pass NVNT 3-DH5 2441 Ant -0.78 21 Pass NVNT 3-DH5 2480 Ant -1.00 21 Pass Page 9 of 54 FCC ID: 2A7GB-E10 Report No.: LCSA030623174EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Test Graphs Power NVNT 1-DH5 2402MHz Ant Power NVNT 1-DH5 2441MHz Ant Page 10 of 54 FCC ID: 2A7GB-E10 Report No.: LCSA030623174EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Power NVNT 1-DH5 2480MHz Ant Power NVNT 2-DH5 2402MHz Ant Page 11 of 54 FCC ID: 2A7GB-E10 Report No.: LCSA030623174EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Power NVNT 2-DH5 2441MHz Ant Power NVNT 2-DH5 2480MHz Ant Page 12 of 54 FCC ID: 2A7GB-E10 Report No.: LCSA030623174EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Power NVNT 3-DH5 2402MHz Ant Power NVNT 3-DH5 2441MHz Ant Page 13 of 54 FCC ID: 2A7GB-E10 Report No.: LCSA030623174EA Shenzhen LCS Compliance Testing Laborato…

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Page 1 of 36 FCC ID:2A7GB-E10 Report No.: LCSA030623174EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity FCC TEST REPORT FOR Shenzhen Jiechen Technology Co. LTD ture wireless earbuds Test Model: E10 Additional Model No.: E10 Pro, E10 Plus Prepared for : Shenzhen Jiechen Technology Co. LTD Address : 502,Floor 5,Building 17,Maker Town,No.4109,Liuxian Avenue,Pingshan Community,Taoyuan Street,Nanshan District, Shenzhen China Prepared by : Shenzhen LCS Compliance Testing Laboratory Ltd. Address : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel : (+86)755-82591330 Fax : (+86)755-82591332 Web : www.LCS-cert.com Mail : [email protected] Date of receipt of test sample : March 10, 2023 Number of tested samples : 2 Sample No. : A030623174-1, A030623174-2 Serial number : Prototype Date of Test : March 10, 2023 ~ March 20, 2023 Date of Report : March 21, 2023 Page 2 of 36 FCC ID:2A7GB-E10 Report No.: LCSA030623174EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity FCC TEST REPORT FCC CFR 47 PART 15 C (15.247) Report Reference No. ................. : LCSA030623174EA Date of Issue ................................... : March 21, 2023 Testing Laboratory Name ............ : Shenzhen LCS Compliance Testing Laboratory Ltd. Address ........................................... : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan Dis…

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