2A3WJ-E20125Egg biomarker sensor

Page 1 of 20 Neuronytics Confidential. 12/14/21 Confidential By Tarik Expert user guide Customer Approval Company Name Represented by Date Sign Neuronytics PB Modification history: Revision Date Author(s) Approved by Description V00 2019-04-28 TM TM 1st Version V01 2019-08-30 TM TM Keyboard keys pattern updated V02 2020-06-15 TM TM Keyboard keys pattern updated V03 2021-03-18 TM TM Serial profile replaced HID V04 2021-11-26 TM TM State machine and LED behavior PROJECT INFORMATION Customer: Neuronytics – Internal Product Designation: Egg V01 Project Number: Neuronytics-0XX Customer Specification reference: Project Manager: TM Page 2 of 20 Neuronytics Confidential. 12/14/21 Confidential By Tarik Contents REFERENCES ...................................................................................................................... 3 1. BLUETOOTH PROFILE FAMILY TABLE FOR EGG V01 DEVICE ........................................ 4 2. EGG V01 USE ............................................................................................................ 5 2.1. Power ON ...................................................................................................................... 5 2.2. Button actions ............................................................................................................... 5 2.3. LED behavior ................................................................................................................. 7 2.4. Advertising Mode .......................................................................................................... 8 3. DEVICES COMPATIBLE WITH EGG .............................................................................. 8 4. PAIRING EGG WITH AN ANDROID PHONE ................................................................. 9 4.1. Description .................................................................................................................... 9 4.2. Payload .......................................................................................................................... 9 5. EGG GAT SERIAL PROFILE DESCRIPTION .................................................................. 11 5.1. Input Characteristics ................................................................................................... 11 5.2. Commands actions and codes -> SSW mode .............................................................. 11 5.3. SERIAL Output CHARACTERISTIC -> SSW mode .......................................................... 12 5.4. Output Characteristics -> HR mode ............................................................................ 12 5.5. Interaction with host devices ...................................................................................... 13 6. EGG DEVICE INFORMATION SERVICE 0X180A PROFILE DESCRIPTION ....................... 14 6.1. Characteristics ............................................................................................................. 14 7. EGG BATTERY SERVICE 0X180F PROFILE DESCRIPTION ............................................. 15 7.1. Characteristics ............................................................................................................. 15 8. OTA FIRMWARE UPDATES....................................................................................... 16 8.1. Memory management ................................................................................................ 16 8.2. Process ........................................................................................................................ 17 8.3. Create new firmware package .................................................................................... 18 9. BOND CREATION AND MANAGEMENT .................................................................... 18 Page 3 of 20 Neuronytics Confidential. 12/14/21 Confidential By Tarik Terms and abbreviations Terms Definition LM Link manager GAP Generic access profile GATT Generic attribute services HID Human interaction device HRS Heart rate service HRP Heart rate profile PDU Protocol data unit LMP Link manager protocol DFU Device firmware update OTA Over the air REFERENCES [1] – Bluetooth Core specs– Version 2.6.4 (2015-12-17) ( link ) [2] – Advertising example by TI: Link [3] – HID over GATT example: Link [4] – GATT services specs: Link [5] – DFU mode specs: Link [6] – Bluetooth LE stack specs by Renesas: link Page 4 of 20 Neuronytics Confidential. 12/14/21 Confidential By Tarik 1. BLUETOOTH PROFILE FAMILY TABLE FOR EGG V01 DEVICE Reference Product Bluetooth profiles Egg V01 Egg, game controller, heart rate sensor Serial Profile 0X1101 Battery service 0X180F Product Description: Fig 1: Egg Key features:  Bluetooth 0X180F and 0X1812 profiles supported, including OTA firmware update  Can bond with up to 4 devices simultaneously  Works for 1 week on a full single charge or 10 playcycles  Collects PPG heart signals with a sampling frequency of 1 KHz Page 5 of 20 Neuronytics Confidential. 12/14/21 Confidential By Tarik 2. EGG V01 USE 2.1. Power ON 2.1.1. Set-Up Fig 2: Egg power and turn ON Make sure the battery is charged, then press the button for at least 2 seconds will turn ON the device. 2.1.2. Led Behavior A LED color will always be displayed when the device is ON, the color and behavior will be different depending on which mode the device is in. further details about the LED behavior will be explained at relevant sections. 2.2. Button actions 2.2.1. Buttons: The product has one tactile button (tactile does not mean touch sensor but rather a light button triggered by small forces), which can make several actions depending on how long the button is pressed, and how many times it was pressed. Page 6 of 20 Neuronytics Confidential. 12/14/21 Confidential By Tarik Button Action Device Actions Single Press Nothing Nothing Long Press Device is OFF: Device turns ON Device is ON: Device turns OFF Double Press Nothing Nothing Triple …

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CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2021-12-15> Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID Model name 2A3WJ-E20125 E20125 For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Name/Title： Pierre Bonnat/CEO Company: NeurodigitX Systems Corp Address: 14362 N Frank Lloyd Wright Blvd Scottsdale Arizona United States Phone: +1 (480) 409 2045 Fax: 86 572-5227380-8620 E-Mail: [email protected]

NeurodigitX Systems Corp 14362 N Frank Lloyd Wright Blvd Scottsdale Arizona United States Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2021-12-15 To whom it may concern: We, NeurodigitX Systems Corp the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2A3WJ-E20125 including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Name/Title： Pierre Bonnat/CEO Company: NeurodigitX Systems Corp Address: 14362 N Frank Lloyd Wright Blvd Scottsdale Arizona United States Phone: +1 (480) 409 2045 Fax: 86 572-5227380-8620 E-Mail: [email protected]

Shenzhen LCS Compliance Testing Laboratory Ltd. FCC ID: 2A3WJ-E20125 This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 4 External Photos of the EUT Fig.1 Fig.2 Shenzhen LCS Compliance Testing Laboratory Ltd. FCC ID: 2A3WJ-E20125 This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 2 of 4 Fig.3 Fig.4 Shenzhen LCS Compliance Testing Laboratory Ltd. FCC ID: 2A3WJ-E20125 This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 3 of 4 Fig.5 Fig.6 Shenzhen LCS Compliance Testing Laboratory Ltd. FCC ID: 2A3WJ-E20125 This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 4 of 4 Fig.7

Shenzhen LCS Compliance Testing Laboratory Ltd. FCC ID: 2A3WJ-E20125 This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 1 Label and Location Size: L2.0cm*W1.5cm Label Location Egg biomarker sensor Model No.: E20125 FCC ID: 2A3WJ-E20125 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 inte rference received, including interference that may cause undesired operation.

Shenzhen LCS Compliance Testing Laboratory Ltd. FCC ID: 2A3WJ-E20125 This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 3 Internal Photos of the EUT Fig.1 Fig.2 Shenzhen LCS Compliance Testing Laboratory Ltd. FCC ID: 2A3WJ-E20125 This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 2 of 3 Fig.3 Fig.4 Antenna Shenzhen LCS Compliance Testing Laboratory Ltd. FCC ID: 2A3WJ-E20125 This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 3 of 3 Fig.5

Shenzhen LCS Compliance Testing Laboratory Ltd. FCC ID: 2A3WJ-E20125 ________________________________________________________________________ ___ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 3 FCC RF Exposure Evaluation 1. Product Information FCC ID : 2A3WJ-E20125 Product name : Egg biomarker sensor Test Model : E20125 Power supply : Input: DC 5V, 250mA DC 3.7V by Rechargeable Li-ion Battery, 200mAh Bluetooth : 2402MHz-2480MHz Channel Number : 40 channels for Bluetooth V4.2(DTS) Channel Spacing : 2MHz for Bluetooth V4.2(DTS) Modulation Type : GFSK for Bluetooth V4.2(DTS) Bluetooth Version : V4.2 Antenna Type : PCB Antenna Antenna Gain : -1.32dBi(Max.) Hardware version : / Software version : / 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, 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 Shenzhen LCS Compliance Testing Laboratory Ltd. FCC ID: 2A3WJ-E20125 ________________________________________________________________________ ___ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 2 of 3 • 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 LE> Mode Channel Frequency (MHz) Peak Conducted Output Power (dBm) GFSK 0 2402 -17.97 19 2440 -18.11 39 2480 -18.4 5. Manufacturing Tolerance <BT LE> GFSK (Peak) Channel Channel 0 Channel 19 Channel 39 Target (dBm) -17.0 -18.0 -18.0 Tolerance ±(dB) 1.0 1.0 1.0 Shenzhen LCS Compliance Testing Laboratory Ltd. FCC ID: 2A3WJ-E20125 ________________________________________________________________________ ___ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 3 of 3 6. Evaluation Results 6.1 Standalone Evaluation <BT LE> Band/Mode f (GHz) Antenna Distance (mm) RF output power SAR Test Exclusion Threshold SAR Test Exclusion dBm mW BT LE GFSK 2.402 5 -16.0 0.025…

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ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 1 / 17 AppendixA RFTestDataforBLE(ConductedMeasurement) ProductName:Eggbiomarkersensor TestModel:E20125 EnvironmentalConditions Temperature: 21.1  C RelativeHumidity:52.2% ATMPressure:100.0kPa TestEngineer: Supervisedby: ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 2 / 17 A.1DTSBandwidth TestResult TestModeAntennaChannel DTSBW[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt1 24020.7882401.6202402.408≥0.5PASS 24400.7522439.6562440.408≥0.5PASS 24800.7642479.6322480.396≥0.5PASS TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 3 / 17 ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 4 / 17 A.2Maximumconductedoutputpower TestResult TestModeAntennaChannelResult[dBm]Limit[dBm]Verdict BLE_1MAnt1 2402-17.97≤30PASS 2440-18.11≤30PASS 2480-18.4≤30PASS TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 5 / 17 ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 6 / 17 A.3Maximumpowerspectraldensity TestResult TestModeAntennaChannelResult[dBm/3-100kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt1 2402-33.35≤8PASS 2440-33.4≤8PASS 2480-33.54≤8PASS TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 7 / 17 ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 8 / 17 A.4Bandedgemeasurements TestResult TestModeAntennaChNameChannelRefLevel[dBm]Result[dBm]Limit[dBm]Verdict BLE_1MAnt1 Low2402-20.70-50.61≤-40.7PASS High2480-20.90-49.66≤-40.9PASS TestGraphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 9 / 17 A.5ConductedSpuriousEmission TestResult TestModeAntennaChannel FreqRange [MHz] RefLevel [dBm] Result[dBm]Limit[dBm]Verdict BLE_1MAnt1 2402 Reference-20.63-20.63---PASS 30~1000-20.63-45.11≤-40.63PASS 1000~26500-20.63-47.23≤-40.63PASS 2440 Reference-20.86-20.86---PASS 30~1000-20.86-47.73≤-40.86PASS 1000~26500-20.86-47.11≤-40.86PASS 2480 Reference-21.15-21.15---PASS 30~1000-21.15-45.45≤-41.15PASS 1000~26500-21.15-47.26≤-41.15PASS TestGraphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 10 / 17 BLE_1M_Ant1_2402_1000~26500 BLE_1M_Ant1_2440_0~Reference ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 11 / 17 BLE_1M_Ant1_2440_30~1000 BLE_1M_Ant1_2440_1000~26500 BLE_1M_Ant1_2480_0~Reference ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 12 / 17 BLE_1M_Ant1_2480_30~1000 BLE_1M_Ant1_2480_1000~26500 ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 13 / 17 A.6DutyCycle TestResult TestModeAntennaChannel ONTime [ms] Period [ms] XDC [%] xFactor LimitVerdict BLE_1MAnt1 240250.0050.001.0000100.000.00---PASS 244050.0050.001.0000100.000.00---PASS 248050.0050.001.0000100.000.00---PASS TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 14 / 17 ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 15 / 17 A.7EmissionsinRestrictedBands TestResult TestModeAntennaChNameChannelDetector Freq. [MHz] Result [dBm] Limit [dBm] Result [dBuV/m] Limit [dBuV/m] Verdict BLE_1MAnt1 Low2402 AV2310.000-49.62≤-41.2045.58≤54PASS AV2389.775-49.23≤-41.2045.97≤54PASS AV2390.000-49.26≤-41.2045.94≤54PASS Peak2310.000-43.3≤-21.2051.90≤74PASS Peak2361.950-39.33≤-21.2055.87≤74PASS Peak2390.000-43.83≤-21.2051.37≤74PASS High2480 AV2483.500-48.88≤-41.2046.32≤54PASS AV2499.440-48.64≤-41.2046.56≤54PASS AV2500.000-48.66≤-41.2046.54≤54PASS Peak2483.500-44.35≤-21.2050.85≤74PASS Peak2499.920-39.81≤-21.2055.39≤74PASS Peak2500.000-40.33≤-21.2054.87≤74PASS Note： 1.TheAntennaGainiscompensatedinthegraph. 2.ThelimitindBmforaveragedetectorisconversionfrom54dBuV/m,accordingto15.209(a).Thelimitin dBmforpeakdetectoris20dBabovethelimitofaveragedetectorindBm. ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 16 / 17 TestGraphs BLE_1M_Ant1_Low_2402_AV BLE_1M_Ant1_Low_2402_Peak BLE_1M_Ant1_High_2480_AV ShenzhenLCSComplianceTestingLaboratoryLtd.FCCID:2A3WJ-E20125ReportNo.:LCS211125047AEA 17 / 17 BLE_1M_Ant1_High_2480_Peak

Shenzhen LCS Compliance Testing Laboratory Ltd. FCC ID: 2A3WJ-E20125 _______________________________________________________________________________________________ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 2 Test Setup Photos of the EUT Test Setup Photo(s) of Radiated Emissions Measurement Fig. 1 Fig. 2 Shenzhen LCS Compliance Testing Laboratory Ltd. FCC ID: 2A3WJ-E20125 _______________________________________________________________________________________________ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 2 of 2 Photo of Conducted Emissions Measurement Fig. 3