2AFM7WI-TW305XTrue wireless earphones

WI-TW3050-CA/WI-TW3051-CA/WI-TW3052-CA/WI-TW3053-CA WI-TW3050-CA/WI-TW3051-CA/WI-TW3052-CA/WI-TW3053-CA

Wicked Audio, Inc Model Confirmation Letter We, Wicked Audio, Inc certify t he product: Model No.: WI-TW3050/WI-TW3051/WI-TW3052/WI-TW3053/WI-TW3054/WI-TW3055/WI- TW3050-CA/WI-TW3051-CA/WI-TW3052-CA/WI-TW3053-CA/WI-TW3054-CA/WI- TW3055-CA/20TW01 Their electrical circuit design, layout, components used and internal wiring are identical, Only the Product color and Model No. is different. Signiture: Grantee Contact: Steve Jaynes Company Name: Wicked Audio, Inc Date:2020-9-25

Date: 04/17/2018 VCB_F-01: Operating Procedures Form – FCC Authorization v02 Page 1 of 1 WICKED AUDIO, INC Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2020/10/12 SUBJECT: FCC Application for (FCC ID: 2AFM7WI-TW305X) To Whom It May Concern: We, the undersigned, hereby authorize Alisa Feng in Shenzhen Huaxia Testing Technology Co., Ltd at 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Shenzhen Huaxia Testing Technology Co., Ltd on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, (Must be signed by the person that is listed on the FCC Website) Signature: Contact name: Steve Jaynes Company name: WICKED AUDIO, INC Address: 875 WEST 325 NORTH, LINDON Utah United States 84042

Date: 04/17/2018 VCB_F-01: Operating Procedures Form – FCC Confidentiality v02 Page 1 of 1 WICKED AUDIO, INC Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2AFM7WI-TW305X Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name 1. Block Diagram, 2. Schematics, 3. Operational Description 1. 2AFM7WI-TW305X -Block diagram 2. 2AFM7WI-TW305X -SCH 3. 2AFM7WI-TW305X -Operational description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below for an initial period of xxxx (ie- “45”, “90” or “180”) days: Exhibit Type File Name N/A N/A Signature: Contact name: Steve Jaynes Company name: WICKED AUDIO, INC Address: 875 WEST 325 NORTH, LINDON Utah United States 84042

FCC ID: 2AFM7WI-TW305X FCC ID: 2AFM7WI-TW305X FCC ID: 2AFM7WI-TW305X FCC ID: 2AFM7WI-TW305X FCC ID: 2AFM7WI-TW305X FCC ID: 2AFM7WI-TW305X

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FCC ID: 2AFM7WI-TW305X FCC ID: 2AFM7WI-TW305X

Shenzhen Huaxia Testing Technology Co., Ltd 1F., Block A of Tongsheng Technology Building,Huahui Road, Dalang Street, Longhua District, Shenzhen, China Telephone: +86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com Report Template Version: V04 Repor tTemplate Revision Date: 2018-07-06 RF Exposure Evaluation Report The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to the sample(s) tested. Without written approval of CQA, this report can’t be reproduced except in full. Report No.:CQASZ20200901010E -02 Applicant:Wicked Audio, Inc Address of Applicant:875 WEST 325 NORTH, LINDON, UT 84042, US A Equipment Under Test (EUT): EUT Name:True wireless earphones Model No.:WI-TW3050, WI-TW3051, WI-TW3052, WI-TW3053, WI-TW3054, WI-TW3055, WI-TW3050-CA, WI-TW3051-CA, WI-TW3052-CA, WI-TW3053-CA, WI-TW3054-C A, WI-TW3055-CA, 20TW01 Test Model No.:WI-TW3050 Brand Name:N/ A FCC ID:2AFM7WI-TW305X Standards: 47 CFR Part 1.1307 47 CFR Part 2.1093 KDB447498D01 General RF Exposure Guidance v06 Date of Receipt:2020-09-10 Date of Test:2020-09-10 to 2020-09-25 Date of Issue:2020-09-25 Test Result:PASS* *In the configuration tested, the EUT complied with the standards specified above Tested By: (MartinLee) Reviewed By: ( Sheek Luo ) Approved By: (JackAi) Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200901010E-02 Page: 2 of 7 1Version Revision History Of Report ReportNo.Version Description Issue Date CQASZ20200901010E-02Rev.01 Initial report 2020-09-25 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200901010E-02 Page: 3 of 7 2 Contents Page 1 VERSION......................................................................................................................................................................2 2CONTENTS..................................................................................................................................................................3 3 GENERAL INFORMATION........................................................................................................................................4 3.1 C LIENTINFORMATION................................................................................................................................................4 3.2 G ENERALDESCRIPTION OFEUT................................................................................................................................4 4 SAR EVALUATION.....................................................................................................................................................6 4.1 RF E XPOSURECOMPLIANCEREQUIREMENT..............................................................................................................6 4.1.1 Standard Requirement..................................................................................................................................6 4.1.2 Limits................................................................................................................................................................6 4.1.3 EUT RF Exposure..........................................................................................................................................7 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200901010E-02 Page: 4 of 7 3 General Information 3.1 Client Information Applicant:WickedAudio, Inc Address ofApplicant:875 WEST 325 NORTH, LINDON, UT 84042, USA Manufacturer:Topway EM Enterprise Ltd. Address of Manufacturer: 8F., Block B, Building 6, Baoneng Science and technology park, Qingxiang RD., Qinghu Industrial Park, Longhua New District, Shenzhen, GD, China 518109 Factory:Shenzhen Jia Hua Li Dian Zi You Xian GongSi Address of Factory:NO 101,201, BUILDING E, NEW INDUSTRIAL ZONE, SHENZHU ROAD, LIUYUE SHENKENG VILLAGE, HENGGANG, LONGGANG DISTRICT, SHENZHEN CHINA 3.2 General Description of EUT Product Name: True wireless earphones Model No.: WI-TW3050, WI-TW3051, WI-TW3052, WI-TW3053, WI-TW3054, WI-TW3055, WI-TW3050-CA, WI-TW3051-CA, WI-TW3052-CA, WI-TW3053-CA, WI-TW3054-CA, WI-TW3055-CA, 20TW01 Test Model No.:WI-TW3050 Trade Mark: N/A Hardware Version: V1.2 Software Version: V1.3 EUT Power Supply: Lithium battery: DC 3.7V, 50mAh, Charge by DC 5V Operation Frequency: 2402MHz~2480MHz Bluetooth Version:V5.0 Modulation Technique: Frequency Hopping Spread Spectrum(FHSS) Modulation Type: GFSK,π/4DQPSK, 8DPSK Number of Channel: 79 Transfer Rate:1Mbps/2Mbps/3Mbps Hopping Channel Type: Adaptive Frequency Hopping systems Sample Type: MobilePortableFix Location Test Software of EUT: BT_Tool (manufacturer declare) Antenna Type:Chip antenna Antenna Gain:3.1dBi Note: 1. Model No.: WI-TW3050, WI-TW3051, WI-TW3052, WI-TW3053, WI-TW3054, WI-TW3055, WI-TW3050-CA, WI-TW3051-CA, WI-TW3052-CA, WI-TW3053-CA, WI-TW3054-CA, WI-TW3055-CA, 20TW01 Only the model WI-TW3050 was tested, since the electrical circuit design, layout, components used and internal wiring were identical for the above models, with difference being color of appearance and model name. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200901010E-02 Page: 5 of 7 2. Since the RF parameters of the left and right earplugs are the same, only the right ear was tested in this report. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200901010E-02 Page: 6 of 7 4 SAR Evaluation 4.1 RF Exposure Compliance Requirement 4.1.1 Standard Requirement According to KDB447498D01 General RF Exposure Guidance v06 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 Exclusion Threshold condition, listed below, is satisfied. 4.1.2 Limits The 1-g and 10-g SAR test exclusion threshol…

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Shenzhen Huaxia Testing Technology Co., Ltd 1F., Block A of Tongsheng Technology Building,Huahui Road, Dalang Street, Longhua District, Shenzhen, China Telephone: +86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com Report Template Version: V04 Report Template Revision Date: 2018-07-06 Test Report The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to the sample(s) tested. Without written approval of CQA, this report can’t be reproduced except in full. Report No.:CQASZ20200901010E-01 Applicant:Wicked Audio, Inc Address of Applicant:875 WEST 325 NORTH, LINDON, UT 84042, US A Equipment Under Test (EUT): EUT Name:True wireless earphones Model No.:WI-TW3050, WI-TW3051, WI-TW3052, WI-TW3053, WI-TW3054, WI-TW3055, WI-TW3050-CA, WI-TW3051-CA, WI-TW3052-CA, WI-TW3053-CA, WI-TW3054-C A, WI-TW3055-CA, 20TW01 Test Model No.:WI-TW3050 Brand Name:N/ A FCC ID:2AFM7WI-TW305X Standards:47 CFR Part 15, Subpart C Date of Receipt:2020-09-10 Date of Test:2020-09-10 to 2020-09-25 Date of Issue:2020-09-25 Test Result:PASS* *In the configuration tested, the EUT complied with the standards specified above Tested By: (MartinLee) Reviewed By: ( Sheek Luo ) Approved By: (JackAi) Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200901010E-01 Page: 2 of 106 1Version Revision History Of Report Report No.Version Description Issue Date CQASZ20200901010E-01Rev.01 Initial report 2020-09-25 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200901010E-01 Page: 3 of 106 2 Test Summary Test ItemTest RequirementTest methodResult Antenna Requirement 47 CFR Part 15, Subpart C Section 15.203/15.247 (c) ANSI C63.10 (2013)PASS AC Power Line Conducted Emission 47 CFR Part 15, Subpart C Section 15.207 ANSI C63.10 (2013)N/A Conducted Peak Output Power 47 CFR Part 15, Subpart C Section 15.247 (b)(1) ANSI C63.10 (2013)PASS 20dB Occupied Bandwidth 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013)PASS Carrier Frequencies Separation 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013)PASS Hopping Channel Number 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013)PASS Dwell Time 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013)PASS Pseudorandom Frequency Hopping Sequence 47 CFR Part 15, Subpart C Section 15.247(b)(4)&TCB Exclusion List (7 July 2002) ANSI C63.10 (2013)PASS Band-edge for RF Conducted Emissions 47 CFR Part 15, Subpart C Section 15.247(d) ANSI C63.10 (2013)PASS RF Conducted Spurious Emissions 47 CFR Part 15, Subpart C Section 15.247(d) ANSI C63.10 (2013)PASS Radiated Spurious emissions 47 CFR Part 15, Subpart C Section 15.205/15.209 ANSI C63.10 (2013)PASS Restricted bands around fundamental frequency (Radiated Emission) 47 CFR Part 15, Subpart C Section 15.205/15.209 ANSI C63.10 (2013)PASS N/A: When the EUT charging, BT will not work , So Not Applicable Model No.: WI-TW3050, WI-TW3051, WI-TW3052, WI-TW3053, WI-TW3054, WI-TW3055, WI-TW3050-CA, WI-TW3051-CA, WI-TW3052-CA, WI-TW3053-CA, WI-TW3054-CA, WI-TW3055-CA, 20TW01 Only the model WI-TW3050 was tested, since the electrical circuit design, layout, components used and internal wiring were identical for the above models, with difference being color of appearance and model name. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200901010E-01 Page: 4 of 106 3 Contents Page 1 VERSION....................................................................................................................................................................2 2 TEST SUMMARY......................................................................................................................................................3 3CONTENTS................................................................................................................................................................4 4 GENERAL INFORMATION.....................................................................................................................................5 4.1 C LIENTINFORMATION...........................................................................................................................................5 4.2 G ENERALDESCRIPTION OFEUT...........................................................................................................................5 4.3 A DDITIONALINSTRUCTIONS..................................................................................................................................7 4.4 T ESTENVIRONMENT..............................................................................................................................................8 4.5 D ESCRIPTION OFSUPPORTUNITS..........................................................................................................................8 4.6 S TATEMENT OF THE MEASUREMENT UNCERTAINTY..............................................................................................9 4.7 T ESTLOCATION...................................................................................................................................................10 4.8 T ESTFACILITY.....................................................................................................................................................10 4.9 A BNORMALITIES FROMSTANDARDCONDITIONS................................................................................................10 4.10 O THERINFORMATIONREQUESTED BY THECUSTOMER......................................................................................10 4.11 E QUIPMENTLIST................................................................................................................................................. 11 5 TEST RESULTS AND MEASUREMENT DATA............................................................................................... 12 5.1 A NTENNAREQUIREMENT.....................................…

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FCC ID: 2AFM7WI-TW305X 1 Photographs - EUT Test Setup 1.1 Radiated Emission 9kHz~30MHz: 30MHz~1GHz: FCC ID: 2AFM7WI-TW305X Above 1GHz: