2AXQW-JZB3B2WJazzman

Oliver Hemming FCC statement: 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. 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 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. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Wireless charging Radiation Exposure Statement This device complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co‐located or operating in conjunction with any other antenna or transmitter. During the operation of device a distance of 15 cm surrounding the device and 20 cm above the top surface of the device must be respected. Bluetooth FCC Radiation Exposure Statement: The equipment complies with FCC Radiation exposure limits set forth for uncontrolled enviroment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body.

Studio Designs Limited B11, 3rd Fl, Wong King Ind Building, 2-4 Tai Yau Street, San Po Kong, HongKong Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 7/13/2023 To whom it may concern: We, Studio Designs Limited, hereby certify that the equipment for which authorization is sought FCC ID: 2AXQW-JZB3B2W is not “covered” equipment prohibited from receiving an equipment authorization pursuant to § 2.903 of the FCC rules. We also certify that, as of the date of the filing of the application, we are not identified on the Covered List (https://www.fcc.gov/supplychain/coveredlist) as an entity producing “covered” equipment. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(b) and (d)(5) and (6). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. Sincerely, Signature Oliver Hemming Director Studio Designs Limited 62_[model] CoveredEqu_2.911(d)(5)(i) and (ii)-U, V03

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2023-5-17> 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 2AXQW-JZB3B2W JZB3B2W 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： Oliver Hemming/Director Company: Studio Designs Limited Address: B11, 3rd Fl, Wong King Ind Building, 2-4 Tai Yau Street, San Po Kong, HongKong Phone: +852 9726 2731 Fax: +852 9726 1801 E-Mail: [email protected]

Studio Designs Limited B11, 3rd Fl, Wong King Ind Building, 2-4 Tai Yau Street, San Po Kong, HongKong Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023-5-17 To whom it may concern: We, the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2AXQW-JZB3B2W 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. By signing this application form, we agree to Eurofins’ current valid General Terms and Conditions (AGB),Testing and Certification Regulations (PZO) which can be viewed on following website www.eurofins.de/ee or retrieved on request. 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： Oliver Hemming/Director Company: Studio Designs Limited Address: B11, 3rd Fl, Wong King Ind Building, 2-4 Tai Yau Street, San Po Kong, HongKong Phone: +852 9726 2731 Fax: +852 9726 1801 E-Mail: [email protected]

FCC ID: 2AXQW-JZB3B2W TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of Adapter FCC ID: 2AXQW-JZB3B2W TB-RF-074-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT FCC ID: 2AXQW-JZB3B2W TB-RF-074-1.0 Photo 5 Appearance of EUT Photo 6 Appearance of EUT

FCC ID: 2AXQW-JZB3B2W TB-RF-074-1.0 AppendixI Label Jazzman FCC ID: 2AXQW-JZB3B2W Model: JZB3B2W 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 2. This device must accept any interference received, including interference that may cause undesired operation. FCC ID: 2AXQW-JZB3B2W TB-RF-074-1.0 Appendix II Label Location

FCC ID: 2AXQW-JZB3B2W TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 7 Internal of EUT Photo 8 Internal of EUT Coil Antenan FCC ID: 2AXQW-JZB3B2W TB-RF-074-1.0 Photo 9 Appearance of PCB & Battery Photo 10 Appearance of PCB & Battery BT Antenna FCC ID: 2AXQW-JZB3B2W TB-RF-074-1.0 Photo 11 Appearance of PCB

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202303-0176-20 Page: 1 of 6 TB-RF-074-1.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang,Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 RF Exposure Evaluation FCC ID: 2AXQW-JZB3B2W 1. Client Information Applicant : Studio Designs Limited Address : B11, 3rd Fl, Wong King Ind Building, 2-4 Tai Yau Street, San Po Kong, Hong Kong, China Manufacturer : Shenzhen Hi-FiD Electronics Tech Co., Ltd. Address : 4 ~ 5F B7, 3F B17, Hengfeng Industrial Town, Zhoushi Road, Bao'an District, Shenzhen City, Guangdong Province, China. 518126. 2. General Description of EUT EUT Name : Jazzman Models No. : JZB3B2W Model Different : ---- Product Description : Operation Frequency: 113-205KHz Antenna: 0 dBi Coil Antenna Power Rating : Adapter Mode:MX36D1-1203000 Input:100-240v~50/60Hz, 1A Output:DC 12V3A,36W Wireless charging Output: 15W DC 3.7V by 220mAh Rechargeable Li-ion battery Software Version : V1.0 Hardware Version : V1.0 Connecting I/O Port(S) : : Please refer to the User's Manual Note: More test information about the EUT please refer the RF Test Report. Report No.: TBR-C-202303-0176-20 Page: 2 of 6 TB-RF-074-1.0 RF Exposure Considerations 1. Measuring Standard KDB 680106 D01 RF Exposure Wireless Charging App v03. 2. Requirements According to the item 5.2 of KDB 680106 D01v03: Inductive wireless power transfer applications that meet all of the following requirements are excluded from submitting an RF exposure evaluation: (1) Power transfer frequency is less than 1 MHz. (2) Output power from each primary coil is less than or equal to 15 watts. (3) The system may consist of more than one source primary coils, charging one or more clients. If more than one primary coil is present, the coil pairs may be powered on at the same time. (4) Client device is placed directly in contact with the transmitter. (5) Mobile exposure conditions only (portable exposure conditions are not covered by this exclusion). (6) The aggregate H-field strengths anywhere at or beyond 15 cm surrounding the device, and 20 cm away from the surface from all coils that by design can simultaneously transmit, and while those coils are simultaneously energized, are demonstrated to be less than 50% of the applicable MPE limit. Limits For Maximum Permissible Exposure (MPE) Report No.: TBR-C-202303-0176-20 Page: 3 of 6 TB-RF-074-1.0 3. Test Setup Note: The aggregate H-field strengths at 15 cm surrounding the device and 20 cm above the top surface. 4.Test Procedure 1) The RF exposure test was performed in anechoic chamber. 2) The aggregate H-field strengths at 15 cm surrounding the device and 20 cm above the top surface. 3) The highest emission level was recorded and compared with limit as soon as measurement of each points (A, B, C, D, E) were completed. 4) The EUT was measured according to the dictates of KDB 680106 D01 v03. Remark: The EUT’s test position A, B, C, D and E is valid for the E and H field measurement 5. Test Equipment List Equipment Manufacturer Model No. Serial No. Last Cal. Cal. Due Date Magnetic field meter NARDA ELT-400 O-0449 Sep. 09, 2022 Sep. 08, 2023 Magnetic field probe NARDA ELT- probe 100cm 2 M-1850 Sep. 09, 2022 Sep. 08, 2023 Field intensity probe NARDA EP-601 811ZX01000 Sep. 09, 2022 Sep. 08, 2023 6. Deviation From Test Standard No deviatio 7.Support equipment List Equipment Information Name Model FCC ID/SDOC S/N Manufacturer phone XIAOMI 12 ---- ---- XIAOMI 15cm Report No.: TBR-C-202303-0176-20 Page: 4 of 6 TB-RF-074-1.0 8.Equipment Approval Considerations The EUT does comply with item 5.2 of KDB 680106 D01v02 as follows table; Requirements of KDB 680106 D01 Yes / No Description Power transfer frequency is less than 1 MHz Yes The device operate in the frequency range 113KHz -205KHz Output power from each primary coil is less than 15 watts Yes The maximum output power of the primary coil is 15W. The system may consist of more than one source primary coils, charging one or more clients. If more than one primary coil is present, the coil pairs may be powered on at the same time. Yes The transfer system includes one primary coils and clients that are able to detect and allow coupling only between individual pairs of coils. Client device is placed directly in contact with the transmitter. Yes Client device is placed directly in contact with the transmitter. Mobile exposure conditions only (portable exposure conditions are not covered by this exclusion). Yes Mobile exposure conditions 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. Yes The EUT 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. In all other cases, unless excluded above, an RF exposure evaluation report must be reviewed and accepted through a KDB or PBA inquiry to enable authorization of the equipment. When evaluation is required to show compliance; for example, using field strength, power density, SAR measurements or computational modeling etc., the specific authorization requirements will be determined based on the results of the RF exposure evaluation Report No.: TBR-C-202303-0176-20 Page: 5 of 6 TB-RF-074-1.0 9. Mode of operation during the test / Test peripherals used Test Modes: TM1 AC/DC Adapter + EUT + Phone (Battery Status: <1%) Pre-tested TM2 AC/DC Adapter + EUT + Phone (Battery Status: <50%) Pre-tested TM3 AC/DC Adapter + EUT + Phone (Battery Status: <99%) Pre-tested Note: All test modes were pre-tested, but we only recorded the worst case (TM1, TM2, TM3) in this report. 10. Test Result E-Filed Strength at 15 cm from the edges surrounding the EUT and 15 cm above the top surface Charging Battery Level Frequency Range (MHz) Measured E-Field Strength Values (V/m) E-Field Stren…

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SPECIFICATION FOR APPROVAL DESC All Transmitting Loop 50 Slotted with adhesive backing 120mm REV:A Client Material No Hi- FiD No. 、 DIMENSION: (mm) 口 气 尸 A-B-C-D-E-G - H 50.00士2.00 23.00土o.50 5.00土2.00 5.30士0.50 2.80士0.50 5.00Min 120.00土3.00 Cable length Customized I-T l.OOMAX 3.00MAX REMARK I 1-2-3 -45 附ireDiameter: 0. 08*105P acetone filament cable Number of coils wound: 9TS 二、SCHEMATICDIAGRAM: Start& End Cable: Crossed 叶apcoi 1 around 6血widewith hi卧－temperaturetape T?pe the back of the nagnetic disc with double adhesive s F =::. ... Winding Specification: ＿、 NO TERMINAL WIRE Tums Winding Direction l s F 0.08*105P lOTs ccw 四、 ELECTRICALCHARACTERISTICS: TEMPERATURE:25土10 ° C. RELATIVE HUMIDITY: 65士20% TERMINAL NO ITEM 1-2-3-4 三 OPERATION FREQUENCY － SPECIFICATION 7.3士10% μ H 7 0 ( M i n ) 50m Q (Max) 113KHz — 2-O5KHz TEST FREQUENCY lOOKHz/1. OV lOOKHz/1. OV ． @25 ° C TEST EQUIPMENTS ■TH2817B ■TH2817B ■_CH::-502B(

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202303-0176-31 Page: 1 of 27 TB-RF-074-1.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang,Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 FCC Radio Test Report FCC ID: 2AXQW-JZB3B2W Original Grant Report No. : TBR-C-202303-0176-31 Applicant : Studio Designs Limited Equipment Under Test (EUT) EUT Name : Jazzman Model No. : JZB3B2W Series Model No. : ---- Brand Name : Oliver Hemming Sample ID : 202303-0176-1-1#& 202303-0176-1-2# Receipt Date : 2023-03-24 Test Date : 2023-03-24 to 2023-05-17 Issue Date : 2023-05-17 Standards : FCC Part 15, Subpart C(15.209) Test Method : ANSI C63.10: 2013 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Test/Witness Engineer : Seven Wu Engineer Supervisor : IVAN SU Engineer Manager : Ray Lai This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Report No.: TBR-C-202303-0176-31 Page: 2 of 27 TB-RF-074-1.0 Contents CONTENTS ............................................................................................................................................. 2 1. GENERAL INFORMATION ABOUT EUT ............................................................................. 5 1.1 Client Information ................................................................................................................. 5 1.2 General Description of EUT (Equipment Under Test) ................................................... 5 1.3 Block Diagram Showing the Configuration of System Tested ...................................... 6 1.4 Description of Support Units .............................................................................................. 6 1.5 Description of Test Mode .................................................................................................... 6 1.6 Description of Test Software Setting ................................................................................ 7 1.7 Measurement Uncertainty .................................................................................................. 8 1.8 Test Facility ........................................................................................................................... 8 2. TEST SUMMARY ....................................................................................................................... 9 3. TEST SOFTWARE ..................................................................................................................... 9 4. TEST EQUIPMENT .................................................................................................................. 10 5. CONDUCTED EMISSION TEST ........................................................................................... 12 5.1 Test Standard and Limit .................................................................................................... 12 5.2 Test Setup ........................................................................................................................... 12 5.3 Test Procedure ................................................................................................................... 13 5.4 Deviation From Test Standard ......................................................................................... 13 5.5 EUT Operating Mode ........................................................................................................ 13 5.6 Test Data ............................................................................................................................. 13 6. RADIATED EMISSION TEST ................................................................................................ 14 6.1 Test Standard and Limit .................................................................................................... 14 6.2 Test Setup ........................................................................................................................... 15 6.3 Test Procedure ................................................................................................................... 16 6.4 Deviation From Test Standard ......................................................................................... 16 6.5 EUT Operating Condition ................................................................................................. 16 6.6 Test Data ............................................................................................................................. 16 7. BANDWIDTH MEASUREMENT ............................................................................................ 17 7.1 Test Standard and Limit .................................................................................................... 17 7.2 Test Setup ........................................................................................................................... 17 7.3 Test Procedure ................................................................................................................... 17 7.4 Deviation From Test Standard ......................................................................................... 17 Report No.: TBR-C-202303-0176-31 Page: 3 of 27 TB-RF-074-1.0 7.5 EUT Operating Condition ................................................................................................. 17 7.6 Test Data ............................................................................................................................. 17 8. ANTENNA REQUIREMENT ................................................................................................... 18 8.1 Standard Requirement ....................................…

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FCC ID: 2AXQW-JZB3B2W TB-RF-074-1.0 Appendix V EUT Test Photographs Photo of Setup for Radiated Emission (30MHz~1GHz) Photo of Setup for Radiated Emission (Above 1 GHz) FCC ID: 2AXQW-JZB3B2W TB-RF-074-1.0 Photo of Setup for Conducted Emission Photo of Setup for Radiated Emission (9KHz-30MHz) FCC ID: 2AXQW-JZB3B2W TB-RF-074-1.0 Photo of Setup for Radiated Emission (30MHz~1GHz) Photo of Setup for Conducted Emission -----END OF REPORT-----