2AXJVVC720MVSwitch Charger

User Manual Please read this instructions carefully and keep it properly. Product Parameter Name：Switch charger Model：VC720MV Input：AC 120-277V，50-60Hz Operation frequency：110-208kHz Modulation Type：ASK Antenna Gain：0 dBi Note: The above parameters are derived from the actual measurement of the product, the actual parameters will vary due to the product or other factors. Instructions 1.The blue LED indicator light will be on after power-on. 2. Put on the wireless receiving device that supports, enter the charging state after the product is aligned 3.When wireless charging encounters a metal foreign body, the wireless charger will automatically activate the FOD foreign body alarm function, and the indicator light will flash quickly, remove the metal foreign body, you can charge normally. Matters needing attention 1. It is recommended to use a high-power adapter with18W above for better experience. 2. Please try to avoid placing metal objects on the contact surface during charging, such as patches, finger rings, metal protective shells, etc. 3. If you find intermittent charging or severe heating while charging, it is likely that the receiving coil of the wireless charging coil are not accurately aligned, and then perform the correct position alignment. 4. This product has input over-current and over-voltage protection function, if improper use will shut down or reduce the output power, please check whether the equipment is abnormal or improper use. 5. When using, keep the ambient temperature at -20 to 55°C as much as possible. Please avoid putting the product in water, fire, high (>55°C) and too low temperature (<-20°C) environment, and keep children away from accessories. 6. Please use a dry soft cloth to clean the surface and avoid cleaning with chemicals, soap or detergent. 7. The user's improper use or improper placement of this product may cause the product's life to be reduced or damaged, and the resulting liability does not belong to the scope of the warranty or the manufacturer's responsibility, please understand. FCC Statement Any Changes or modifications 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. FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator& your body. Note: 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.

Company: Espen Technology, Inc. Add: 12257 Florence Ave. Santa Fe Springs, California, 90670 United States Tel: (562) 529-2938 221 Fax: (562) 529-2978 FCC Authorization Date: 2020-09-15 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, Espen Technolo gy, Inc., the undersigned, Hereby authorizes Bay Area Compliance Laboratories Corporation to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratories Corp. o n our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: Printed Name: Eric Yu Title: Engineer QA-FR-170-B

FCC Confidential Authorization Date: 2020-09-15 FEDERAL COMMUNICATIONS COMMISSIONS Authorization an d Evaluation Division 74 35 Oakland Mill s Road Columbia, MD 2104 6 Subject: Confidentiality Request regarding applicatio n for certification of FCC ID: 2AXJVVC720MV To : whom it ma y concern, In accord ance with Sections 0.457 and 0 .459 of the Commission’s Rules, Esp en Technology, Inc. hereby requests long-term confidential treatment of information accompanying this application as outlined below: Block Diagram Schematics Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Company: Espen Technology, Inc. Add: 12257 Florence Ave. Santa Fe Springs, California, 90670 United States Tel: ( 562) 529-2938 221 Fax: (562) 529-2978 E-mail: [email protected] Signature: Printed Name: Eric Yu Title: Engineer

EXHIBIT A - EUT EXTERNAL PHOTOGRAPHS

Switch charger Model：VC720MV FCC ID ：2AXJVVC720MV

EXHIBIT B - EUT INTERNAL PHOTOGRAPHS Antenna

Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHB191227002-00A FCC §1.1310 & §2.1091–MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard FCC & 1.1310& §2.1091 According to the item 5.2 of KDB 680106 D01 RF Exposure Wireless Charging Apps v03: Inductive wireless power transfer applications that meet all of the following requirements are excluded from submitting an RF evaluation. a) Power transfer frequency is less that 1 MHz. b) Output power from each primary coil is less than or equal to 15 watts. c) The transfer system includes only single primary and secondary coils. This includes charging systems that may have multiple primary coils and clients that are able to detect and allow coupling only between individual pairs of coils. d) Client device is placed directly in contact with the transmitter. e) Mobile exposure conditions only (portable exposure conditions are not covered by this exclusion). f) The aggregate H-field strengths at 15 cm surrounding the device and 20 cm above the top surface from all simultaneous transmitting coils are demonstrated to be less than 50% of the MPE limit. Limits for Maximum Permissible Exposure (MPE) (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) (A) Limits for Occupational/Controlled Exposure 0.3-3.0 614 1.63 *100 6 3.0-30 1842/f 4.89/f *900/f 2 6 30-300 61.4 0.163 1.0 6 300-1,500 f/300 6 1,500-100,000 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3-1.34 614 1.63 *(100) 30 1.34-30 824/f 2.19/f *(180/f²) 30 30-300 27.5 0.073 0.2 30 300-1500 f/1500 30 1500-100,000 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; FCC Part 15C Page 9 of 22 Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHB191227002-00A EUT Setup Result a) Power transfer frequency is less that 1 MHz. Yes, the device operates in the frequency 110 kHz-208 kHz. b) Output power from each primary coil is less than or equal to 15 watts. Yes, the maximum output power of the primary coil is 10W<15W. c) The transfer system includes only single primary and secondary coils. This includes charging systems that may have multiple primary coils and clients that are able to detect and allow coupling only between individual pairs of coils.. Yes, the transfer system including a charging system with only single primary coils is to detect and allow only between individual of coils. d) Client device is inserted in or placed directly in contact with the transmitter. Yes, client device is placed directly in contact with the transmitter. e) Mobile exposure conditions only (portable exposure conditions are not covered by this exclusion). Yes, this is a mobile device. f) The aggregate H-field strengths at 15 cm surrounding the device and 20 cm above the top surface from all simultaneous transmitting coils are demonstrated to be less than 50% of the MPE limit. The EUT H-field Strength levels at 15cm surrounding the device and 20 cm above the top surface are less than 50% the MPE limit. FCC Part 15C Page 10 of 22 Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHB191227002-00A Test Data Environmental Conditions Temperature: 24.3 °C Relative Humidity: 49 % ATM Pressure: 101.2 kPa The testing was performed by Chao Gao on 2020-09-02. H-Filed Strength Frequency Range (kHz) Position A (A/m) Position B (A/m) Position C (A/m) Position D (A/m) Position E (A/m) Limit Test (A/m) 50%Limit (A/m) 110-208 0.086 0.051 0.069 0.064 0.235 1.63 0.815 E- Filed Strength Frequency Range (kHz) Position A (V/m) Position B (V/m) Position C (V/m) Position D (V/m) Position E (V/m) Limit Test (V/m) 50%Limit (V/m) 110-208 1.92 1.103 1.563 1.433 2.137 614 307 Note: 1. According with KDB 680106 D01 RF Exposure Wireless Charging Apps v03, Emissions between 100 kHz to 300 kHz should be assessed versus the limits at 300 kHz in Table 1 of Section 1.1310: 614V/m and 1.63 A/m. 2: The distance for position A, B, C, D are 15cm, the distance for position E is 20cm. FCC Part 15C Page 11 of 22

FCC PART 15C TEST REPORT For Espen Technology, Inc. 12257 Florence Ave. Santa Fe Springs, California, 90670 United States FCC ID: 2AXJVVC720MV Report Type: Original Report Product Type: Switch charger Test Engineer: Chao Gao Report Number: RSHB191227002-00A Report Date: 2020-09-10 Reviewed By: Oscar Ye EMC Manager Prepared By: Bay Area Compliance Laboratories Corp. (Kunshan) No.248 Chenghu Road,Kunshan,Jiangsu province,China Tel: +86-0512-86175000 Fax: +86-0 512-88934268 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHB191227002-00A TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 3 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 3 OBJECTIVE ................................................................................................................................................................... 3 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 3 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 4 TEST FACILITY ............................................................................................................................................................. 4 SYSTEM TEST CONFIGURATION .......................................................................................................................... 5 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 5 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 5 EUT EXERCISE SOFTWARE .......................................................................................................................................... 5 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 5 EXTERNAL I/O CABLE .................................................................................................................................................. 5 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 6 SUMMARY OF TEST RESULTS ............................................................................................................................... 7 TEST EQUIPMENT LIST ........................................................................................................................................... 8 FCC §1.1310 & §2.1091–MAXIMUM PERMISSIBLE EXPOSURE (MPE) ............................................................... 9 APPLICABLE STANDARD .............................................................................................................................................. 9 EUT SETUP ................................................................................................................................................................ 10 RESULT ...................................................................................................................................................................... 10 TEST DATA ................................................................................................................................................................ 11 FCC §15.203 - ANTENNA REQUIREMENT ........................................................................................................... 12 APPLICABLE STANDARD ............................................................................................................................................ 12 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 12 FCC §15.207 (a) – AC LINE CONDUCTED EMISSIONS ..................................................................................... 13 APPLICABLE STANDARD ............................................................................................................................................ 13 EUT SETUP ................................................................................................................................................................ 13 EMI TEST RECEIVER SETUP ....................................................................................................................................... 13 TEST PROCEDURE ...................................................................................................................................................... 13 FACTOR & OVER LIMIT CALCULATION ...................................................................................................................... 14 TEST RESULTS SUMMARY .......................................................................................................................................... 14 TEST DATA ................................................................................................................................................................ 14 FCC §15.209 & §15.205 - SPURIOUS EMISSIONS ................................................................................................ 17 APPLICABLE STANDARD .....................................................................................................................…

Text truncated - open the document above for the full version.

EXHIBIT C - TEST SETUP PHOTOGRAPHS Conducted Emissions (Front View) Conducted Emissions (Side View) Radiated Emissions View (Below 30MHz) Radiated Emissions View (Above 30MHz) H-Filed Strength View Position A H-Filed Strength View Position B H-Filed Strength View Position C H-Filed Strength View Position D H-Filed Strength View Position E E-Filed Strength View Position A E-Filed Strength View Position B E-Filed Strength View Position C E-Filed Strength View Position D E-Filed Strength View Position E