2ACD4HD-19AElectronic muscle stimulator

PRO TOUCH WIRELESS 6-12 User Manual This manual is valid for the Hi-Dow PRO TOUCH WIRELESS 6-12 (Model HD-19A). This user manual is published by Hi-Dow International Inc. Hi-Dow International Inc. reserves the right to improve and amend it at any time without prior notice. Amendments may however be published in new editions of this manual. Indications for Use TENS: To be used for the temporary relief of pain associated with sore or aching muscles in the shoulder, waist, back, upper extremities (arm), and lower extremities (leg) due to strain from exercise or normal household work activities. EMS: It is intended for muscle conditioning, used for stimulating muscles including abdomen muscles in order to improve or facilitate muscle performance. Table of Contents General Description ......................................................................................................................................................... Pulse Parameters ............................................................................................................................................................ Mode Description, TENS ................................................................................................................................................. Mode Description, EMS ................................................................................................................................................... Contradictions .................................................................................................................................................................. Warnings ........................................................................................................................................................................ FCC Warning Statement .............................................................................................................................................. Precautions .................................................................................................................................................................... Adverse Reactions ........................................................................................................................................................ General Information .................................................................................................................................................... Quick Start Guide ..................................................................................................................................................... Instructions for Use ................................................................................................................................................. Maintenance, Storage & Disposal .............................................................................................................................. Suggested Mode Uses ................................................................................................................................................ Electrode Options ....................................................................................................................................................... Contiguous Placement ............................................................................................................................................... Electrode Placement .................................................................................................................................................. Application of Re-Usable Self Adhesive Electrodes ................................................................................................... Tips for Skin Care ....................................................................................................................................................... Battery Information ..................................................................................................................................................... Regular Application Principles .................................................................................................................................... Regular Application Methods ...................................................................................................................................... Troubleshooting ..... ...................................................................................................................................................... Conformity to Safety Standards ..... ............................................................................................................................. Technical Information .................................................................................................................................................. Accessories List .................................................................................................................................................... Explanation of Symbols ......................................................................................................................................... Wireless Specifications ......................................................................................................................................... Description of Safe Wireless Transmission .......................................................................................................... Electromagnetic Compatibility Description ........................................................................................................... Warranty ............................................................................................................................................................. Contact Information .............................................…

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Differences Declaration To whom concern, We company Hi-Dow Electron Technology (Hefei) Inc., Ltd. Here by declares: The product model(s) HD-19B, HD-5Y-612A, HD-5Y-612 are the same PCB layout, electronic schematic and Antenna with HD-19A, which tested in Shenzhen Huatongwei International Inspection Co., Ltd., they only differ in model name and appearance. Sincerely yours, Name (in print): Yang Chen Company name: Hi-Dow Electron Technology (Hefei) Inc., Ltd. Company address: Building D17/22, Baiyan Sci-tech Industrial Park, No.168 Xiangzhang Road, Hefei, Anhui,230088,P.R.China Tel: 0551-66181557 E-Mail: [email protected]

External Photos

DEV LABEL REV.01 PRO TOUCH WIRELESS 6-12 REF : HD-19A(Remote) 2022-11-07 (01)00810093080045 (21)19ATR0122000001-0001SN Hi-Dow Electron Technology (Hefei) Inc., Ltd. Building D17/22, Baiyan Science & Technology Industrial Park, No.168 Xiangzhang Road, Hefei, Anhui, China Input: 5V 1.0A REF : HD-19A(Receiver) 2022-11-07 Hi-Dow Electron Technology (Hefei) Inc., Ltd. Building D17/22, Baiyan Science & Technology Industrial Park, No.168 Xiangzhang Road, Hefei, Anhui, China DEV LABEL REV.01 (01)00810093080045 (21)19ATR0122000001-0001SN FCC ID:2ACD4HD-19A FCC ID:2ACD4HD-19A (Internal Polymer Li-ion battery:3.7Vd.c., 280mAh) Input: 5V 1.0A(Internal Polymer Li-ion battery:3.7Vd.c., 240mAh)

Internal Photos

FCC ID: 2ACD4HD-19A RF Exposure Evaluation REQUIREMENT KDB447498 D01 General RF Exposure Guidance v06, Clause 4.3.1(a) [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 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 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 4.1 f) is applied to determine SAR test exclusion. TEST RESULT Passed Not Applicable Radio Type Frequency range (MHz) Conducted Average Power (dBm) Maximum Tune-up (dBm) Calculating data Limit Result 2.4G 2447-2472 0.80 1.00 0.3959 3.00 Pass Note: 1) The maximum antenna gain is 1.85dBi 2) The exposure evaluation safety distance is 5mm.

Page: 1 of 34 TEST REPORT For 2.4GHz Device Report No. ...................................... : CHTEW23010067 Report Verification: Project No.................................： SHT2211080301EW FCC ID ............................................. : 2ACD4HD-19A Applicant’s name ........................... : Hi-Dow Electron Technology (Hefei) Inc., Ltd. Address ............................................. : Building D17/22, Baiyan Sci-tech Industrial Park, No.168 Xiangzhang Road, Hefei, Anhui,230088,P.R.China Product Name ................................ : Electronic muscle stimulator Trade Mark ....................................... : - Model No. ......................................... : HD-19A Listed Model(s) ................................. : HD-19B, HD-5Y-612A, HD-5Y-612 Standard ......................................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of receipt of test sample..........: Nov.29, 2022 Date of testing.............................: Nov.29, 2022-Jan.31, 2023 Date of issue...............................: Feb.01, 2023 Result .................. ........................: PASS Compiled by ( Position+Printed name+Signature): File administrator Echo Wei Supervised by (Position+Printed name+Signature): Project Engineer Kiki Kong Approved by (Position+Printed name+Signature): RF Manager Hans Hu Testing Laboratory Name ............. : Shenzhen Huatongwei International Inspection Co., Ltd. Address ............................................. : 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China Shenzhen Huatongwei International Inspection Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Huatongwei International Inspection Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Huatongwei International Inspection Co., 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. The test report merely correspond to the test sample. Report No.: CHTEW23010067 Page: 2 of 34 Date of issue: 2023-02-01 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) Contents 1. TEST S T AN D AR D S A N D R E P O R T V E R S I O N 3 1.1. Test Standards 3 1.2. Report version 3 2. TEST DESCRIPTION 4 3. SUMMARY 5 3.1. Client Information 5 3.2. Product Description 5 3.3. Radio Specification Description 5 3.4. Testing Laboratory Information 6 4. TEST CONFIGURATION 7 4.1. Test frequency list 7 4.2. Descriptions of Test mode 7 4.3. Test sample information 7 4.4. Support unit used in test configuration and system 8 4.5. Testing environmental condition 8 4.6. Statement of the measurement uncertainty 8 4.7. Equipment Used during the Test 9 5. TEST CONDITIONS AND RESULTS 11 5.1. Antenna Requirement 11 5.2. AC Conducted Emission 12 5.3. Peak Output Power 14 5.4. Power Spectral Density 15 5.5. 6dB bandwidth 16 5.6. 99% Occupied Bandwidth 17 5.7. Duty Cycle 18 5.8. Conducted Band edge and Spurious Emission 19 5.9. Radiated Band edge Emission 20 5.10. Radiated Spurious Emission 22 6. TEST SETUP PHOTOS 27 7. EXTERNAL AND INTERNAL PHOTOS 29 8. APPENDIX REPORT 34 Report No.: CHTEW23010067 Page: 3 of 34 Date of issue: 2023-02-01 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 1. TEST STAND ARDS AND REPORT VERSION 1.1. Test Standards The tests were performed according to following standards: ‒ FCC Rules Part 15.247: Frequency Hopping, Direct Spread Spectrum and Hybrid Systems that are in operation within the bands of 902-928 MHz, 2400-2483.5 MHz, and 5725-5850 MHz ‒ ANSI C63.10:2013: American National Standard for Testing Unlicensed Wireless Devices ‒ KDB 558074 D01 15.247 Meas Guidance v05r02: Guidance for Compliance Measurements on Digital Transmission System, Frequency Hopping Spread Spectrum System, and Hybrid System Devices Operating under Section 15.247 of The FCC Rules 1.2. Report version Revision No. Date of issue Description N/A 2023-02-01 Original Report No.: CHTEW23010067 Page: 4 of 34 Date of issue: 2023-02-01 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 2. TEST DESCRIPTION Report clause Test Items Standard Requirement Result Test Engineer 5.1 Antenna Requirement 15.203/15.247(c) PASS Xiaoxiao Li 5.2 AC Conducted Emission 15.207 PASS Dongyang Wu 5.3 Peak Output Power 15.247(b)(3) PASS Xiaoxiao Li 5.4 Power Spectral Density 15.247(e) PASS Xiaoxiao Li 5.5 6dB Bandwidth 15.247(a)(2) PASS Xiaoxiao Li 5.6 99% Occupied Bandwidth - PASS *1 Xiaoxiao Li 5.7 Duty cycle - PASS *1 Xiaoxiao Li 5.8 Conducted Band Edge and Spurious Emission 15.247(d)/15.205 PASS Xiaoxiao Li 5.9 Radiated Band Edge Emission 15.205/15.209 PASS Xiaoxiao Li 5.10 Radiated Spurious Emission 15.247(d)/15.205/15.209 PASS Xiaoxiao Li Note: ‒ The measurement uncertainty is not included in the test result. ‒ *1: No requirement on standard, only report these test data. Report No.: CHTEW23010067 Page: 5 of 34 Date of issue: 2023-02-01 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 3. SUMMARY 3.1. Client Information Applicant: Hi-Dow Electron Technology (Hefei) Inc., Ltd. Address: Building D17/22, Baiyan Sci-tech Industrial Park, No.168 Xiangzhang Road, Hefei, Anhui,230088,P.R.China Manufacturer: Hi-Dow Electron Technology (Hefei) Inc., Ltd. Address: Building D17/22, Baiyan Sci-tech Industrial Park, No.168 Xiangzhang Road, Hefei, Anhui,230088,P.R.China 3.2. Product Description Main unit information: Product Name: Electronic muscle stimulator Trade Mark: - Model No.: HD-19A Listed Model(s): HD-19B, HD-5Y-612A, HD-5Y-612 Power supply: DC 3.7V from Battery Hardware version: V1.0 Software version: V1.0 Accessory unit information: Battery information: Model: CX283040PL 3.7V 280mAh 3.3.…

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Project No.: SHT2211080301EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 1 of 14 APPENDIX REPORT Project No. SHT2211080301EW Radio Specification GFSK Test sample No. YPHT22110803002 Model No. HD-19A Start test date 2023-01-12 Finish date 2023-01-30 Temperature 24.1°C Humidity 64% Test Engineer Xiaoxiao Li Auditor Appendix clause Test item Result A Peak Output Power PASS B Power Spectral Density PASS C 6 dB Bandwidth PASS D 99% Occupied Bandwidth PASS E Duty cycle PASS F Band edge and Spurious Emissions (conducted) PASS Project No.: SHT2211080301EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 2 of 14 Appendix A：Peak Output Power Channel Peak Output power (dBm) Average Output power (dBm) Limit (dBm) Result CH L 0.68 0.67 ≤ 30.00 Pass CH M -0.01 -0.04 CH H 0.82 0.80 Project No.: SHT2211080301EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 3 of 14 CH L Date: 12.JAN.2023 10:12:02 CH M Date: 12.JAN.2023 10:13:14 CH H Date: 12.JAN.2023 10:14:15 Project No.: SHT2211080301EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 4 of 14 Appendix B：Power Spectral Density Channel Power Spectral Density(dBm/3KHz) Limit (dBm/3KHz) Result CH L -11.13 ≤8.00 Pass CH M -11.38 CH H -10.29 Project No.: SHT2211080301EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 5 of 14 CH L Date: 30.JAN.2023 14:33:01 CH M Date: 30.JAN.2023 14:33:59 CH H Date: 30.JAN.2023 14:38:06 Project No.: SHT2211080301EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 6 of 14 Appendix C：6dB bandwidth Channel 6dB Bandwidth(kHz) Limit (kHz) Result CH L 1034.00 ≥500 Pass CH M 1036.00 CH H 1174.00 Project No.: SHT2211080301EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 7 of 14 CH L Date: 30.JAN.2023 14:31:44 CH M Date: 12.JAN.2023 13:21:30 CH H Date: 12.JAN.2023 13:21:56 Project No.: SHT2211080301EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 8 of 14 Appendix D：99% Occupied Bandwidth Channel 99% Occupied Bandwidth(MHz) Limit (kHz) Result CH L 1.44 - Pass CH M 1.41 CH H 1.50 Project No.: SHT2211080301EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 9 of 14 CH L Date: 30.JAN.2023 14:32:46 CH M Date: 30.JAN.2023 14:33:44 CH H Date: 30.JAN.2023 14:37:52 Project No.: SHT2211080301EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 10 of 14 Appendix E：Duty cycle Test Frequency （MHz） T on time for single burst (ms) T period (ms) Duty cycle 1/T on time (kHz) 2455 0.36 7.99 4.5% 2.78 Date: 30.JAN.2023 14:37:12 Project No.: SHT2211080301EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 11 of 14 Appendix F：Band edge and Spurious Emissions (conducted) Test Item: Band edge CH L Date: 30.JAN.2023 14:33:11 CH H Date: 30.JAN.2023 14:38:16 Project No.: SHT2211080301EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 12 of 14 Test Item: SE CH L Reference level Date: 12.JAN.2023 10:21:12 CH L 30MHz~1000MHz Date: 12.JAN.2023 10:21:28 CH L 1GHz~26GHz Date: 12.JAN.2023 10:21:44 Project No.: SHT2211080301EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 13 of 14 CH M Reference level Date: 12.JAN.2023 10:13:21 CH M 30MHz~1000MHz Date: 12.JAN.2023 10:13:37 CH M 1GHz~26GHz Date: 12.JAN.2023 10:13:53 Project No.: SHT2211080301EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 14 of 14 CH H Reference level Date: 12.JAN.2023 10:14:22 CH H 30MHz~1000MHz Date: 12.JAN.2023 10:14:38 CH H 1GHz~26GHz Date: 12.JAN.2023 10:14:54 --------End of Report--------

AntennaSpecification Specifications Summary ITEMSPEC. ModeNameANT CompanyNameHi-DowElectronTechnology(Hefei)Inc.,Ltd. Company Address BuildingD17/22,BaiyanSci-techIndustrialPark, No.168XiangzhangRoad,Hefei,Anhui,230088,P.R.China Center Frequency 2402MHz 2441MHz 2479MHz 1.85dBi 1.82dBi 1.80dBi MAX.GAIN1.85dBi PolarizationHorizontal AzimuthBeam Pattern Omni-directional Impedance 50Ω AntennaLength12.9mm AntennaPhoto&Length(mm)

TEST SETUP PHOTOS Radiated Emission AC Conducted Emission