2AZDO-BUDS11Headphones, Buds, BT, Black/Headphones, Buds, BT, White

Gabb Wireless Inc. ADD: 4101 N Thanksgiving Way Unit 300 Lehi, UT 84043 United States TEL: (385)248-7798 E-mail: [email protected] Date: 2021-05-27 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, We, Gabb Wireless Inc., hereby authorize Bay Area Compliance Laboratories Corp.(Dongguan) to act as a laboratory for testing and test report generation for the following project(s): (Product description: Headphones, Buds, BT, Black / Headphones, Buds, BT, White, Model: WB-001-00001, WB-001-00002, FCC ID: 2AZDO-BUDS11) The chip AD6973 supports BT and BLE Mode, but only BDR(GFSK), EDR(π/4-DQPSK) were active ,the other were disable by software. Sincerely, Signature: Mr Colin Cole Director

Gabb Wireless Inc. ADD: 4101 N Thanksgiving Way Unit 300 Lehi, UT 84043 United States TEL: (385)248-7798 E-mail: [email protected] Date: 2021-05-27 To FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, We, Gabb Wireless Inc., hereby authorize Bay Area Compliance Laboratories Corp.(Dongguan) to act as a laboratory for testing and test report generation for the following project(s): (Product description: Headphones, Buds, BT, Black / Headphones, Buds, BT, White, Model name: WB-001-00001,WB-001-00002, FCC ID: 2AZDO-BUDS11). The right headset and left headset have the same circuit diagram, PCB layout and key components. Sincerely, Signature: Mr Colin Cole Director

Gabb Wireless Inc. ADD: 4101 N Thanksgiving Way Unit 300 Lehi, UT 84043 United States TEL: (385)248-7798 E-mail: [email protected] DECLARATION OF SIMILARITY Date: 2021-05-27 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir or Madam: We, Gabb Wireless Inc., hereby declare that the product: Headphones, Buds, BT, Black / Headphones, Buds, BT, White, FCC ID: 2AZDO-BUDS11, model: WB-001-00001 is electrically identical with the model: WB-001-00002 which was tested by BACL(Dongguan) with the same electromagnetic emissions and electromagnetic compatibility characteristics. A description of the differences between those models and that are declared similar are as follows: WB-001-00001 is the same with WB-001-00002 except the color. WB-001-00002 is white and WB-001-00001 is black. Please contact me should there be need for any additional clarification or information. Best Regards, Signature: Mr Colin Cole Director

QA-FR-172-A Gabb Wireless Inc. ADD: 4101 N Thanksgiving Way Unit 300 Lehi, UT 84043 United States TEL: (385)248-7798 E-mail: [email protected] FCC Confidential Authorization Date: 2021-05-27 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2AZDO-BUDS11 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Gabb Wireless Inc. hereby requests long-term confidential treatment of information accompanying this application as outlined below:  Block Diagram  Schematics  Operation Description As well as short-term(secrecy cycle: 180 days) confidential treatment of information accompanying this application as outlined below:  Internal Photos  User’s Manual  External Photos  Test Set-up Photos 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, signature Mr Colin Cole Director

QA-FR-169-B Gabb Wireless Inc. ADD: 4101 N Thanksgiving Way Unit 300 Lehi, UT 84043 United States TEL: (385)248-7798 E-mail: [email protected] Date: 2021-05-27 To FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, We, Gabb Wireless Inc. FCC ID: 2AZDO-BUDS11, hereby submits justification for placing the label to the charging box, for the device is unquestionably too small for the label to be printed. The measurement of headset: Length (20.2mm)*Width (22.7mm)*High (32.7mm), label: Length 31(mm)*Width20 (mm), charging box:62.2(mm)*23(mm)*46.1(mm).Refer to the above quote, as the headset are too small for the label to be printed, so the label will be moved to the charging box. For details, please see below photos: Headset Label Charging box Sincerely, Signature Mr Colin Cole Director

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS Left Right

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Left ANT Right ANT

FCC PART 15.247 TEST REPORT For Gabb Wireless Inc. 4101 N Thanksgiving Way Unit 300 Lehi,UT 84043 United States FCC ID: 2AZDO-BUDS11 Report Type: Original Report Product Name: Headphones, Buds, BT, Black / Headphones, Buds, BT, White Re port Number: DG6210507-15710E-00 Report Date: 2021-06-28 Reviewed By: Ivan Cao Assistant Manager Test Laboratory: Bay Area Compliance Laboratories Corp. (Dongguan) No.12, Pulong East 1 st Road, Tangxia Town, Dongguan, Guangdong, China Tel: +86-769-86858888 Fax: +86-769-86858891 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: DG6210507-15710E-00 Page 2 of 43 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 TEST FACILITY ............................................................................................................................................................. 5 DECLARATIONS ............................................................................................................................................................ 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 6 SUMMARY OF TEST RESULTS ............................................................................................................................... 7 FCC §15.247 (i) & §1.1310 & §2.1093- RF EXPOSURE ............................................................................................ 8 APPLICABLE STANDARD .............................................................................................................................................. 8 FCC §15.203 - ANTENNA REQUIREMENT ............................................................................................................. 9 APPLICABLE STANDARD .............................................................................................................................................. 9 ANTENNA CONNECTOR CONSTRUCTION ...................................................................................................................... 9 FCC §15.209, §15.205 & §15.247(d) - Spurious Emissions ...................................................................................... 10 APPLICABLE STANDARD ............................................................................................................................................ 10 EUT SETUP ................................................................................................................................................................ 10 EMI TEST RECEIVER & SPECTRUM ANALYZER SETUP .............................................................................................. 11 TEST PROCEDURE ...................................................................................................................................................... 11 TEST EQUIPMENT LIST AND DETAILS ......................................................................................................................... 11 CORRECTED AMPLITUDE & MARGIN CALCULATION ................................................................................................. 12 TEST DATA ................................................................................................................................................................ 12 FCC §15.247(a) (1) - CHANNEL SEPARATION TEST ......................................................................................... 18 APPLICABLE STANDARD ............................................................................................................................................ 18 TEST EQUIPMENT LIST AND DETAILS ......................................................................................................................... 18 TEST PROCEDURE ...................................................................................................................................................... 18 TEST DATA ................................................................................................................................................................ 18 FCC §15.247(a) (1) – 20 dB BANDWIDTH TESTING ............................................................................................ 23 APPLICABLE STANDARD ............................................................................................................................................ 23 TEST PROCEDURE ......................................................................................................…

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EXHIBIT D - TEST SETUP PHOTOGRAPHS Radiated Emission Below 1GHz View Radiated Emission Above 1GHz View