2AVEIJD-FZ103A1C1Carbon Nanotube Heating Film

Suzhou Jernano Carbon Co., Ltd. Tel: +86-512-62872764 Add: NO.398 Ruoshui Road, Suzhou Industrial Park, China; Instructions for the use of Turbo Heat apparel heating system 1. Product model product name specification control mode voltage current size Carbon nanotube apparel heating system JD– FZ103A1C1 temperatu re control 5V/9V/ 20V 0-2A 25*25cm,19 *19cm， 19*19cm 2. Installation instruction of apparel heating system Structure and size of carbon nanotube apparel heating system is shown in Fig.1. Please pay attention to the sensor of temperature red marked in Fig.1. The sensor is not pressed and bent hardly. Figure. 1 structure diagram of the apparel heating system 3. Instruction of controllers The heating plate is temperature controlled, divided into 4 levels, the temperature is respectively 38°C,43°C,48°C,53°C，The use of controllers is followed by following steps: 1) The four levels are shown by white, green,purple and red light. 2) Turn on the controller when a 5V/9V/20V battery is connected to it. LED shows red light in the controller, which is fourth level, The temperature is 53°C. 3) LED shows red light pressed the controller one time when LED shows purple light. The heating system is adjusted to the third level,The temperature is 48°C. Suzhou Jernano Carbon Co., Ltd. Tel: +86-512-62872764 Add: NO.398 Ruoshui Road, Suzhou Industrial Park, China; 4) LED shows purple light pressed the controller one time when LED shows green light. The heating system is adjusted to the second level,The temperature is 43°C. 5) LED shows green light pressed the controller one time when LED shows white light. The heating system is adjusted to the first level,The temperature is 38°C. 6) LED shows white light press controller is turn off. 4. Matters need attention 1) Please turn off the power when a heating system is not turned on. 2) Avoid heating when not wearing. 3) The heating system is forbidden to use in sleep. 4) The heating system can be washed by hands and machines. Dry cleaning is prohibited. 5. Precautions for the use of charge bank 1) It is recommended to use a charging bank with support of 20V2A and 9V2A (support above 18W is recommended)! 2) it is strictly prohibited to use the mobile power while charging and discharging! 3) Generally speaking, Type-C port can support 9V and 20V voltage, and USB port can output 9V and 5V, such as charging. It is recommended to use Type-C directly! 4) Please ensure that the power interface of the plug-in charger has power output capability, and a few charger may be charging. Interface does not have discharge capability! 6. Warranty 1) The product will be returned within 7 days from the date of sale according to the national policy of three guarantees, and it will be free of charge for non-man-made damage within 1 year Provide replacement components. 2) The following circumstances are not covered by the warranty (including but not limited to) without a warranty card or any shopping voucher; Suzhou Jernano Carbon Co., Ltd. Tel: +86-512-62872764 Add: NO.398 Ruoshui Road, Suzhou Industrial Park, China; Beyond the scope of matters needing attention, abnormal use; Self-repair or man-made damage (including improper operation); Exceeding the "three guarantees" period; Using the product for other purposes beyond the scope of the product; The company reserves the right to modify the warranty terms and the final interpretation Please take attention that changes or modification not expressly approved by the party responsible for compliance could void the user’s authority to operate the 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.

Suzhou Jernano Carbon Co.,Ltd. Current Date : 2021-04-08 To: SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. No. 588 West Jindu Road, Songjiang District, Shanghai, China. 201612 Dear Sir/Madam, Subject: Declaration Letter about Identity of Products *WE (Suzhou Jernano Carbon Co.,Ltd.) HEREBY DECLARED THAT Product Description Carbon Nanotube Heating Film Model No. JD–FZ102A1C1,JD–FZ103A1C1,JD–FZ104A1C1 Manufacturer’s Name Suzhou Jernano Carbon Co.,Ltd. Manufacturer’s Address NO.398 Ruoshui Road, Suzhou Industrial Park, Suzhou China 215123 *Except that the model and appearance deviation, are identical with the original product as follows: Note: The definition of identical should be “electrically identical”. A device will be considered to be electrically identical if no changes are made to the devices’ schematics, board layouts, component layouts, chip sets, resistors and all other electrical aspects of the device are identical. Model No. (型号): JD–FZ101A1C1 Manufacturer’s Name (生产商名称): Suzhou Jernano Carbon Co.,Ltd. Manufacturer’s Address（生产商商地址): NO.398 Ruoshui Road, Suzhou Industrial Park, Suzhou China 215123 Sincerely, Signature (签字): Printed Name (姓名): Xiangrui Wang Position/Title (职位): R&D Contact Number (联系电话): 0512-62872764

SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 1 of 7 Page 1 of 7 External Photos Applicant: Suzhou Jernano Carbon Co.,Ltd. Address of Applicant: No. 398 Ruoshui Road, Dushu Lake Higher Education District, Suzhou Industrial Park Equipment Under Test (EUT): Product Name: Carbon Nanotube Heating Film Model No.: JD–FZ103A1C1 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 2 of 7 Page 2 of 7 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 3 of 7 Page 3 of 7 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 4 of 7 Page 4 of 7 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 5 of 7 Page 5 of 7 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 6 of 7 Page 6 of 7 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 7 of 7 Page 7 of 7 End

FCC ID: 2AVEIJD-FZ103A1C1 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. Label location

SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 1 of 4 Page 1 of 4 Internal Photos Applicant: Suzhou Jernano Carbon Co.,Ltd. Address of Applicant: No. 398 Ruoshui Road, Dushu Lake Higher Education District, Suzhou Industrial Park Equipment Under Test (EUT): Product Name: Carbon Nanotube Heating Film Model No.: JD–FZ103A1C1 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 2 of 4 Page 2 of 4 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 3 of 4 Page 3 of 4 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 4 of 4 Page 4 of 4 End

SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM210100079303 Page: 1 of 7 Parlam Zhan E&E Section Manager The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in this report. If the product in this report is used in any configuration other than that detailed in the report, the manufacturer must ensure the new system complies with all relevant standards. Any mention of SGS International Electrical Approvals or testing done by SGS International Electrical Approvals in connection with, distribution or use of the product described in this report must be approved by SGS International Electrical Approvals in writing. 1 Cover Page RF Exposure REPORT Application No.: SHEM2101000793CR FCC ID: 2AVEIJD-FZ103A1C1 Applicant: Suzhou Jernano Carbon Co.,Ltd. Address of Applicant: NO.398 Ruoshui Road, Suzhou Industrial Park, Suzhou China 215123 Manufacturer: Suzhou Jernano Carbon Co.,Ltd. Address of Manufacturer: NO.398 Ruoshui Road, Suzhou Industrial Park, Suzhou China 215123 Factory: Suzhou Jernano Carbon Co.,Ltd. Address of Factory: NO.398 Ruoshui Road, Suzhou Industrial Park, Suzhou China 215123 Equipment Under Test (EUT): EUT Name: Carbon Nanotube Heating Film Model No.: JD–FZ103A1C1 Add Model No.: JD–FZ101A1C1,JD–FZ102A1C1, JD–FZ104A1C1 Standard(s) : FCC Rules 47 CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Date of Receipt: 2021-01-29 Date of Test: 2021-02-02 to 2021-02-25 Date of Issue: 2021-02-26 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM210100079303 Page: 2 of 7 Revision Record Version Description Date Remark 00 Original 2021-02-26 / Authorized for issue by: Micheal Niu / Project Engineer Parlam Zhan / Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM210100079303 Page: 3 of 7 2 Contents Page 1 COVER PAGE .................................................................................................................................... 1 2 CONTENTS ........................................................................................................................................ 3 3 GENERAL INFORMATION ................................................................................................................ 4 3.1 GENERAL DESCRIPTION OF E.U.T. ................................................................................................ 4 3.2 DETAILS OF E.U.T. ....................................................................................................................... 4 3.3 TEST LOCATION ............................................................................................................................ 5 3.4 TEST FACILITY .............................................................................................................................. 5 4 TEST STANDARDS AND LIMITS ..................................................................................................... 6 4.1 FCC RADIOFREQUENCY RADIATION EXPOSURE LIMITS .................................................................... 6 5 MEASUREMENT AND CALCULATION ............................................................................................ 7 5.1 MAXIMUM TRANSMIT POWER ......................................................................................................... 7 5.2 RF EXPOSURE CALCULATION ........................................................................................................ 7 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM210100079303 Page: 4 of 7 3 General Information 3.1 General Description of E.U.T. Power supply: AC Adapter Input: 100-240V,50/60Hz,1.5A Output:20V,3.25A Test voltage: AC 120V/60Hz 3.2 Details of E.U.T. BT: Antenna Gain: 1dBi (Provided by the manufacturer) Antenna Type: PCB Antenna Bluetooth Version: BT 5.0 Dual mode Channel Spacing: 1MHz Modulation Type: GFSK, π/4DQPSK, 8DPSK Number of Channels: 79 Operation Frequency: 2402MHz to 2480MHz Spectrum Spread Technology: Frequency Hopping Spread Spectrum(FHSS) BLE: Antenna Gain: 1dBi(Provided by the manufacturer) Antenna Type: PCB Antenna Bluetooth Version: BT 5.0 Dual mode Data Rate: 1Mbps Channel Spacing: 2MHz Modulation Type: GFSK Number of Channels: 40 Operation Frequency: 2402MHz to 2480MHz SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM210100079303 Page: 5 of 7 3.3 Test Location All tests were performed at: Compliance Certification Services (Kunshan) Inc. No.10 Weiye Rd, Innovation park, Eco&Tec, Development Zone, Kunshan City, Jiangsu, China. Tel: +86 512 5735 5888 Fax: +86 512 5737 0818 No tests were sub-contracted. 3.4 Test Facility The test facility is recognized, certified, or accredited by the following organizations: • CNAS (No. CNAS L4354) CNAS has accredited Compliance Certification Services (Kunshan) Inc. to ISO/IEC 17025:2017 General Requirements for the Competence of Testing and Calibration Laboratories (CNAS-CL01 Accreditation Criteria for the Competence of Testing and Calibration Laboratories) for the competence in the field of testing. • A2LA (Certificate No. 2541.01) Compliance Certification Services (Kunshan) Inc. is accredited by the American Association for Laboratory Accreditation (A2LA). Certificate No. 2541.01. • FCC (Designation Number: CN1172) Compliance Certification Services Inc. has been recognized as an accredited testing laboratory. Designation Number: CN1172. • ISED (CAB identifier: CN0072) Compliance Certification Services (Kunshan) Inc. has been recognized by Innovation, Science and Economic Development Canada (ISED) as an accredited testing laboratory. Company Number: 2324E • VCCI (Member No.: 1938) The 3m and 10m Semi-anechoic chamber and Shielded Room of Compliance Certification Services (Kunshan) Inc. ha…

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SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Appendix B for SHEM210100079302 1. Duty Cycle 1.1 Test Result Test Mode Channel Frequency(M Hz) TX Type ANT No. T_on (ms) Period (ms) Duty Cycle (%) Duty Cycle Correction Factor (dB) 1M 2402 SISO 1 0.061 0.314 19.43 7.12 2440 SISO 1 0.060 0.312 19.23 7.16 2480 SISO 1 0.060 0.312 19.23 7.16 1.2 Test Graph SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. 2. Bandwidth 2.1 Test Result Test Mode Frequency (MHz) TX Type ANT No. 6dB Bandwidth Verdict Test Result (MHz) Limits (MHz) 1M 2402 SISO 1 0.578 ≥0.5 PASS 2440 SISO 1 0.582 ≥0.5 PASS 2480 SISO 1 0.525 ≥0.5 PASS Test Mode Frequency (MHz) TX Type ANT No. 99% Occupied Bandwidth Test Result (MHz) 1M 2402 SISO 1 1.066 Only for Report Use 2440 SISO 1 1.066 Only for Report Use 2480 SISO 1 1.066 Only for Report Use 2.2 Test Graph - 6dB Bandwidth SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. 2.3 Test Graph - 99% Occupied Bandwidth SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. 3. Maximum Conducted Output Power 3.1 Test Result Test Mode Frequency (MHz) Tx Type Measured Peak Output Power (dBm) Limits (dBm) Verdict Ant 1 1M 2402 SISO 2.35 30 PASS 2440 SISO 0.57 30 PASS 2480 SISO 0.97 30 PASS 3.2 Test Graph SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. 4. Maximum Power Spectral Density (PSD) 4.1 Test Result Test Mode Frequency (MHz) Tx Type Maximum Power Spectral Density (dBm/3KHz) Limits (dBm/3kHz) Verdict Ant 1 1M 2402 SISO -16.80 ≤8 PASS 2440 SISO -18.29 ≤8 PASS 2480 SISO -17.92 ≤8 PASS 4.2 Test Graph SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. 5. Unwanted Emissions in Non-restricted Frequency Bands 5.1 Test Result Test Mode Frequency (MHz) TX Type ANT No. Spurious Conducted Emission (dBm) Limits (dBm) Verdict 1M 2402 SISO 1 Refer to test graph -18.22 PASS 2440 SISO 1 Refer to test graph -18.22 PASS 2480 SISO 1 Refer to test graph -18.22 PASS 5.2 Test Graph SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. 6. Frequency Error 6.1 Test Result Test Mode Frequency (MHz) TX Type ANT Measured Frequency (MHz) Verdict Test Result Limit 1M 2402 SISO 1 2401.99 2400-2483.5 PASS 2440 SISO 1 2439.99 2400-2483.5 PASS 2480 SISO 1 2479.99 2400-2483.5 PASS 6.2 Test Graph SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd.

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM210100079302 Page: 1 of 40 Parlam Zhan E&E Section Manager The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in this report. If the product in this report is used in any configuration other than that detailed in the report, the manufacturer must ensure the new system complies with all relevant standards. Any mention of SGS International Electrical Approvals or testing done by SGS International Electrical Approvals in connection with, distribution or use of the product described in this report must be approved by SGS International Electrical Approvals in writing. TEST REPORT Application No.: SHEM2101000793CR FCC ID: 2AVEIJD-FZ103A1C1 Applicant: Suzhou Jernano Carbon Co.,Ltd. Address of Applicant: NO.398 Ruoshui Road, Suzhou Industrial Park, Suzhou China 215123 Manufacturer: Suzhou Jernano Carbon Co.,Ltd. Address of Manufacturer: NO.398 Ruoshui Road, Suzhou Industrial Park, Suzhou China 215123 Factory: Suzhou Jernano Carbon Co.,Ltd. Address of Factory: NO.398 Ruoshui Road, Suzhou Industrial Park, Suzhou China 215123 Equipment Under Test (EUT): EUT Name: Carbon Nanotube Heating Film Model No.: JD–FZ101A1C1,JD–FZ102A1C1,JD–FZ103A1C1,JD–FZ104A1C1¤ ¤ Please refer to section 2 of this report which indicates which model was actually tested and which were electrically identical. Standard(s) : 47 CFR Part 15, Subpart C 15.247 Date of Receipt: 2021-01-29 Date of Test: 2021-02-02 to 2021-02-25 Date of Issue: 2021-03-01 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM210100079302 Page: 2 of 40 Revision Record Version Description Date Remark 00 Original 2021-03-01 / Authorized for issue by: Micheal Niu / Project Engineer Parlam Zhan / Reviewer SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM210100079302 Page: 3 of 40 2 Test Summary Radio Spectrum Technical Requirement Item Standard Method Requirement Result Antenna Requirement 47 CFR Part 15, Subpart C 15.247 N/A 47 CFR Part 15, Subpart C 15.203 & 15.247(b)(4) Pass Radio Spectrum Matter Part Item Standard Method Requirement Result Conducted Emissions at AC Power Line (150kHz-30MHz) 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 6.2 47 CFR Part 15, Subpart C 15.207 Pass Minimum 6dB Bandwidth 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 11.8.1 47 CFR Part 15, Subpart C 15.247a(2) Pass Conducted Peak Output Power 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 11.9.1 47 CFR Part 15, Subpart C 15.247(b)(3) Pass Power Spectrum Density 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 11.10.2 47 CFR Part 15, Subpart C 15.247(e) Pass Conducted Band Edges Measurement 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 11.13.3.2 47 CFR Part 15, Subpart C 15.247(d) Pass Conducted Spurious Emissions 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 11.11 47 CFR Part 15, Subpart C 15.247(d) Pass Radiated Emissions which fall in the restricted bands 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 6.10.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 6.4,6.5,6.6 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Declaration of EUT Family Grouping: Note: there are series of models in this report, with similar electrical and electronic characteristics, and different number of heating plates. Only JD-FZ103A1C1 model was tested, because the difference between them lies in the model and appearance. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM210100079302 Page: 4 of 40 3 Contents Page 1 COVER PAGE.............................................................................................................................................. 1 2 TEST SUMMARY ......................................................................................................................................... 3 3 CONTENTS .................................................................................................................................................. 4 4 GENERAL INFORMATION ......................................................................................................................... 5 4.1 DETAILS OF E.U.T.................................................................................................................................. 5 4.2 POWER LEVEL SETTING USING IN TEST: ................................................................................................... 5 4.3 DESCRIPTION OF SUPPORT UNITS ........................................................................................................... 5 4.4 MEASUREMENT UNCERTAINTY ................................................................................................................ 6 4.5 TEST LOCATION ..................................................................................................................................... 7 4.6 TEST FACILITY ....................................................................................................................................... 7 4.7 DEVIATION FROM STANDARDS ................................................................................................................ 7 4.8 ABNORMALITIES FROM STANDARD CONDITIONS ....................................................................................... 7 5 EQUIPMENT LIST ....................................................................................................................................... 8 6 RADIO SPECTRUM TECHNICAL REQUIREMENT ................................................................................... 9 6.1 ANTENNA REQUIREMENT ..................................................…

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SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 1 of 5 Page 1 of 5 Test Setup Photos-FCC Applicant: Suzhou Jernano Carbon Co.,Ltd. Address of Applicant: No. 398 Ruoshui Road, Dushu Lake Higher Education District, Suzhou Industrial Park Equipment Under Test (EUT): Product Name: Carbon Nanotube Heating Film Model No.: JD-FZ10305 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 2 of 5 Page 2 of 5 1 Contents Page 1 CONTENTS............................................................................................................... 2 2 EQUIPMENT UNDER TEST PICTURES ............................................................. 3 2.1 Conducted Emissions at AC Power Line (150kHz-30MHz) Test Setup ......... 3 2.2 RF Conducted Test Setup ................................................................................. 3 2.3 Spurious emissions ........................................................................................... 4 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 3 of 5 Page 3 of 5 2 EQUIPMENT UNDER TEST PICTURES 2.1 Conducted Emissions at AC Power Line (150kHz-30MHz) Test Setup 2.2 RF Conducted Test Setup SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 4 of 5 Page 4 of 5 2.3 Spurious emissions 30MHz-1GHz Above 1GHz SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 5 of 5 Page 5 of 5 Zoom: End