2A9FG-OLN400Hera Leto Temperature & Oxygen

6.5CM 9cm Ear-Gels LED Multifunction Button USB Charging Socket Front Back Ear Hook (Detachable) 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 modifi cations 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.

WBD101 Limited Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2022/11/30 FCC ID: 2A9FG-OLN400 SUBJECT: To Whom It May Concern: I, the undersigned, hereby states 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, and will apply the Supplier's Declaration of Conformity procedure to the class B computer peripheral portion of this composite device. I understand the following FCC requirements: 1. Devices subject to the SDoC procedure are required to be tested to show compliance with the FCC technical regulations by a recognized accredited testing laboratory. The testing laboratory must be accredited by a Commission approved accreditation body or designated under the terms of a government-to-government Mutual Recognition Agreement (MRA). A listing of those accredited testing laboratories that have been recognized by the Commission is published on the FCC Webpage: https://apps.fcc.gov/oetcf/eas/reports/TestFirmSearch.cfm (Select the "accredited" option to search for FCC recognized accredited test firms.) 2. Pt 2.1077 contains the list of information that must be included in the Supplier's Declaration of Conformity, which must be supplied with each product sold. The SDoC compliance info shall be included in the User’s Manual or as a separate sheet. The info must contain the name, address, and phone number of the responsible party, which must be located within the United States. According to 2.909(b), the responsible party is either the Manufacturer or if the product is imported the Importer. Regards, WBD101 Limited ------------------------------- Perry Ko

Rev 11/20/07 WBD101 Limited Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2A9FG-OLN400 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name Block Diagram “Block Diagram.pdf” Schematics “Schematic.pdf” Operational Description “Operation Description.pdf” The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, ------------------------------- Perry Ko

G:\2021案件\已递交\待递交\11.17-A221028007-LCSA110422020E-李章玮-蓝牙耳机-CERED&FCCID\Report\LCSA110422021E FCCID\Form\POA_Letter.docx WBD101 Limited Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2022/11/30 SUBJECT: FCC Application for (FCC ID: 2A9FG-OLN400) To Whom It May Concern: We, the undersigned, hereby authorize Gavin Liang at Shenzhen LCS Compliance Testing Laboratory Ltd. on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Shenzhen LCS Compliance Testing Laboratory Ltd.on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, ------------------------------- Perry Ko

Page 1 of 3 FCC ID: 2A9FG-OLN400 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 3 FCC ID: 2A9FG-OLN400 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 3 FCC ID: 2A9FG-OLN400 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 1 FCC ID: 2A9FG-OLN400 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: L: 2.0cm x W: 0.5cm) Label Location Hera Leto Temperature & Oxygen Model: OLN400 FCC ID: 2A9FG-OLN400

Page 1 of 7 FCC ID: 2A9FG-OLN400 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 7 FCC ID: 2A9FG-OLN400 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 7 FCC ID: 2A9FG-OLN400 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 Bluetooth Antenna Page 4 of 7 FCC ID: 2A9FG-OLN400 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 5 of 7 FCC ID: 2A9FG-OLN400 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. 9 Fig. 10 Page 6 of 7 FCC ID: 2A9FG-OLN400 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. 11 Fig. 12 Page 7 of 7 FCC ID: 2A9FG-OLN400 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. 13

Page 1 of 4 FCC ID: 2A9FG-OLN400 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 : 2A9FG-OLN400 Product name : Hera Leto Temperature & Oxygen Test Model : OLN400 Power Supply : Input: DC 5V, 0.5A DC 3.6V by Rechargeable Li-ion Battery, 65mAh Hardware Version : / Software Version : / Frequency Range : 2402MHz ~ 2480MHz Channel Number : 79 channels for Bluetooth V5.0 (DSS) 40 channels for Bluetooth V5.0 (DTS) Channel Spacing : 1MHz for Bluetooth V5.0(DSS) 2MHz for Bluetooth V5.0(DTS) Modulation Type : GFSK , π/4-DQPSK, 8-DPSK for Bluetooth V5.0 (DSS) GFSK for Bluetooth V5.0 (DTS) Bluetooth Version : V5.0 Antenna Type : Ceramic Antenna Antenna Gain : 2.7dBi Exposure category : General population/uncontrolled environment EUT Type : Production Unit Device Type : Portable Device Page 2 of 4 FCC ID: 2A9FG-OLN400 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 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, 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 Page 3 of 4 FCC ID: 2A9FG-OLN400 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 4. Conducted Power Results <BT> Mode Channel Frequency (MHz) Peak Conducted Output Power (dBm) GFSK 0 2402 0.77 39 2441 0.81 78 2480 0.76 π/4-DQPSK 0 2402 0.43 39 2441 0.49 78 2480 0.39 8-DPSK 0 2402 0.51 39 2441 0.64 78 2480 0.48 <BT LE> Mode Channel Frequenc…

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1 Shenzhen Yingfeng Antenna Technology Co., Ltd. Test Report client Xin intelligent product Business headphones engineer Simon telephone 18118726256 mailbox [email protected] date 2022-11-08 Business headphones 2 Øtest condition ØAppearance of prototype ØMatching parameters ØSub-debugging antenna Sparameters of network ØMeasurement of antenna efficiency pattern in micro wav ØTest OTA active data in microwave darkroom ØDistance test ØCommissioning summary Shenzhen Yingfeng Antenna Technology Co., Ltd. Report director y e darkroom 3 Shenzhen Yingfeng Antenna Technology Co., Ltd. test condition •1.S parameter measurement •2.Equipment: network analyzer(Agilent E5062A),Microwave darkr oom，MT8852B •3.Items: impedance, return loss,，VSWR，Efficiency, gain, rad iation pattern, sensitivity, power，Frequency offset active dat aTRP TIS 整机数据ANT无源效率 4 Shenzhen Yingfeng Antenna Technology Co., Ltd. Appearance of prot otype 5 Shenzhen Yingfeng Antenna Technology Co., Ltd. Matching parameters number model specifications Yingfeng manufacturer material codetolerance 1YF2012-A202012 2filter 0Ω/0201 Yingfeng 3inductance 2.4NH/0201 Murata ±0.1NH 4NC 5NC 6 2.0PF/0201±0.1PF electric cap acity Murata Shenzhen Yingfeng Antenna Technology Co., Ltd. Sub-debugging antenna S parameters of network Debugging waveform 6 Shenzhen Yingfeng Antenna Technology Co., Ltd. 7 Measurement of antenna efficiency pattern in microwave darkroom Freq(MHz)Gain(dB)Efficiency(dB)Efficiency(%) 2400-0.15608343-5.0411414831.32462294 24100.216433803-4.76683017633.36698625 24200.746445549-4.37847382236.48821497 24300.864105705-4.19493060138.06334399 24401.265711409-3.82329080641.46397361 24501.468520617-3.39744371445.73573139 24601.63322007-3.39610101745.74987358 24701.91379542-3.12484906748.69844493 24801.955495666-2.97773761750.37629671 24902.102508127-2.91366715951.12499566 25001.894302116-3.03693977449.69423651 25101.591823288-3.25276304847.28503287 25201.521970949-3.26783950147.12116834 25301.514262485-3.41146287245.58833309 25401.333488124-3.60756138743.57564873 25501.124573058-3.87549615640.9685303 Shenzhen Yingfeng Antenna Technology Co., Ltd. Measurement of antenna efficiency pattern in microwave darkroom Y Field pattern Z X 8 9 Shenzhen Yingfeng Antenna Technology Co., Ltd. 整机OTA测试数据 Channel TRPpower (dBm)TIS sensitivity(dBm) CH 04.502804938 -84.77889926 CH 394.282253222 -84.428929911 CH 785.064630692 -84.991189539 Whole machine OTA data Shenzhen Yingfeng Antenna Technology Co., Ltd. Distance test a.Environment/mobile phone test itemTest distanc remarks e Orion's belt S6 6mlow OK Right front left anterior OK 8 middle OK 10mtall OK 10 Right after left rear Shenzhen Yingfeng Antenna Technology Co., Ltd. Thanks for Your Attention 11

Page1of24FCCID:2A9FG-OLN400ReportNo.:LCSA110422021EB ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity AppendixB RFTestDataforBTLE(ConductedMeasurement) ProductName:HeraLetoTemperature&Oxygen TestModel:OLN400 EnvironmentalConditions Temperature: 23.8°C RelativeHumidity:52.1% ATMPressure:100.0kPa TestEngineer: MeningSu Supervisedby: LiHuan Page2of24FCCID:2A9FG-OLN400ReportNo.:LCSA110422021EB ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity B.1DTSBandwidth TestResult TestModeAntennaChannel DTSBW[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt1 24020.7082401.6362402.3440.5PASS 24400.7122439.6322440.3440.5PASS 24800.7162479.6322480.3480.5PASS Page3of24FCCID:2A9FG-OLN400ReportNo.:LCSA110422021EB ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page4of24FCCID:2A9FG-OLN400ReportNo.:LCSA110422021EB ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Page5of24FCCID:2A9FG-OLN400ReportNo.:LCSA110422021EB ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity B.2Maximumconductedoutputpower TestResult TestModeAntennaChannelResult[dBm]Limit[dBm]Verdict BLE_1MAnt1 24020.16≤30PASS 24400.08≤30PASS 24800.06≤30PASS Page6of24FCCID:2A9FG-OLN400ReportNo.:LCSA110422021EB ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page7of24FCCID:2A9FG-OLN400ReportNo.:LCSA110422021EB ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Page8of24FCCID:2A9FG-OLN400ReportNo.:LCSA110422021EB ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity B.3Maximumpowerspectraldensity TestResult TestModeAntennaChannelResult[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt1 2402-15.03≤8.00PASS 2440-15.09≤8.00PASS 2480-15.1≤8.00PASS Page9of24FCCID:2A9FG-OLN400ReportNo.:LCSA110422021EB ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page10of24FCCID:2A9FG-OLN400ReportNo.:LCSA110422021EB ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Page11of24FCCID:2A9FG-OLN400ReportNo.:LCSA110422021EB ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity B.4Bandedgemeasurements TestResult TestModeAntennaChNameChannelRefLevel[dBm]Result[dBm]Limit[dBm]Verdict BLE_1MAnt1 Low2402-0.55-58.76≤-20.55PASS High2480-0.93-57.98≤-20.93PASS Page12of24FCCID:2A9FG-OLN400ReportNo.:LCSA110422021EB ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestGraphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 Page13of24FCCID:2A9FG-OLN400ReportNo.:LCSA110422021EB ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity B.5ConductedSpuriousEmission TestResult TestModeAntennaChannel FreqRange [MHz] RefLevel [dBm] Result[dBm]Limit[dBm]Verdict BLE_1MAnt1 2402 Reference-0.82-0.82---PASS 30~1000-0.82-59.45≤-20.82PASS 1000~26500-0.82-45.89≤-20.82PASS 2440 Reference-1.02-1.02---PASS 30~1000-1.02-60.24≤-21.02PASS 1000~26500-1.02-45.48≤-21.02PASS 2480 Reference-0.88-0.88---PASS 30~1000-0.88-60.48≤-20.88PASS 1000~26500-0.88-45.81≤-20.88PASS Page14of24FCCID:2A9FG-OLN400ReportNo.:LCSA110422021EB ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestGraphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402…

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Page 1 of 34 FCC ID: 2A9FG-OLN400 Report No.: LCSA110422021EB 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 WBD101 Limited Hera Leto Temperature & Oxygen Test Model: OLN400 Prepared for : WBD101 Limited Address : Unit 1520 – 1521, 15/F, No. 19 Science Park West Avenue, Hong Kong Science Park, Shatin, N.T., Hong Kong, 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 : November 17, 2022 Number of tested samples : 2 Sample No. : A110422021-1, A110422021-2 Serial number : Prototype Date of Test : November 17, 2022 ~ November 23, 2022 Date of Report : November 24, 2022 Page 2 of 34 FCC ID: 2A9FG-OLN400 Report No.: LCSA110422021EB 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. ................. : LCSA110422021EB Date of Issue .................................. : November 24, 2022 Testing Laboratory Name ............ : 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 Testing Location/ Procedure .......... : Full application of Harmonised standards ■ Partial application of Harmonised standards □ Other standard testing method □ Applicant’s Name ......................... : WBD101 Limited Address .......................................... : Unit 1520 – 1521, 15/F, No. 19 Science Park West Avenue, Hong Kong Science Park, Shatin, N.T., Hong Kong, China Test Specification Standard ......................................... : FCC CFR 47 PART 15 C(15.247) Test Report Form No.................... : LCSEMC-1.0 TRF Originator ................................ : Shenzhen LCS Compliance Testing Laboratory Ltd. Master TRF ..................................... : Dated 2011-03 Shenzhen 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 Shenzhen LCS Compliance Testing Laboratory Ltd. is acknowledged as copyright owner and source of the material. Shenzhen 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. EUT Description. .......................... : Hera Leto Temperature & Oxygen Trade Mark ..................................... : N/A Test Model ...................................... : OLN400 Ratings ........................................... : Input: DC 5V, 0.5A DC 3.6V by Rechargeable Li-ion Battery, 65mAh Result ............................................ : Positive Compiled by: Supervised by: Approved by: Vera Deng/ Administrator Cary Luo/ Technique principal Gavin Liang/ Manager Page 3 of 34 FCC ID: 2A9FG-OLN400 Report No.: LCSA110422021EB 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 Test Model............................... : OLN400 EUT......................................... : Hera Leto Temperature & Oxygen Applicant............................... : WBD101 Limited Address.................................. : Unit 1520 – 1521, 15/F, No. 19 Science Park West Avenue, Hong Kong Science Park, Shatin, N.T., Hong Kong, China Telephone............................... : / Fax.......................................... : / Manufacturer........................ : WBD101 Limited Address................................... : Unit 1520 – 1521, 15/F, No. 19 Science Park West Avenue, Hong Kong Science Park, Shatin, N.T., Hong Kong, China Telephone............................... : / Fax.......................................... : / Factory................................... : Dongguan Runtone Intelligence Co.,Ltd Address................................... : 2nd Floor. 2nd Building, Bohui Industrial Park, Fuxing Road, Liaobu Town, Dognguan City, China Telephone............................... : / Fax.......................................... : / Test Result Positive 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. : LCSA110422021EB November 24, 2022 Date of issue Page 4 of 34 FCC ID: 2A9FG-OLN400 Report No.: LCSA110422021EB 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 Revision History Report Version Issue Date Revision Content Revised By 000 November 24, 2022 Initial Issue --- Page 5 of 34 FCC ID: 2A9FG-OLN400 Report No.: LCSA110422021EB Shenzhen LCS Compliance Testing Laborato…

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