Y22-S2GFWGrind Fuel

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ER02 018-210223 This equipment complies with FCC radiation exposure limits set forth for anThis equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End user must follow the specific operating instructions for satisfying RF exposure compliance. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. The portable device is designed to meet the requirements for exposure to radio requirements set a SAR limit of 1.6 W/kg averaged over one gram of tissue. The highest SAR value reported under this standard during product certification for use when properly worn on the head. uncontrolled environment. End user must follow the specific operating instructions for satisfying RF exposure compliance. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. The portable device is designed to meet the requirements for exposure to radio requirements set a SAR limit of 1.6 W/kg averaged over one gram of tissue. The highest SAR value reported under this standard during product certification for use when properly worn on the head.

Skullcandy Inc. To: SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia United States Regarding: Confidentiality Request regarding application for FCC ID:Y22-S2GFW LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission’s rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions Tune up procedure The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. Sincerely By: Tom Brace (Signature) (Print name) Title: Global Legal Compliance Manager On behalf of: Skullcandy Inc. (Company Name) Telephone: 435-729-2458 SHORT TERM CONFIDENTIALITY Additionally, the applicant requests the following documents be held confidential until the device is marketed or 180 days from the grant date, whichever is less. If the device is marketed within aforementioned 180 days of the Grant Date, the applicant will notify the TCB per FCC KDB 726920 D01 Confidentiality Request Procedures. External Photos Internal Photos Test Setup Photos User manual(s)

Applicant Declaration Applicant Declaration Rev:0.0 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name Skullcandy Inc Address 6301 N Landmark Dr Park City 84098 Utah United States Grantee Code Y22 FCC ID Y22-S2GFW Authorized Contact Name Tom Brace Contact Email [email protected] Contact Phone 435-729-2458 I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare; a)in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. b)in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for: (1) labeling the equipment with the exact FCC ID as specified in this application, (2) compliance statement labeling pursuant to the applicable rules, (3) compliance of the equipment with the applicable technical rules, c)if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC’s technical requirements. d)in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. e)in accordance with ISO17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements. (1) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. (2) the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. (3) the Applicant shall, upon request by SGS, at the Applicant’s expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f)neither the Applicant nor any party to the application is 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 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a “party” for these purposes. g)the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc.(TCB) terms and conditions. Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Applicant Signature: Date:2021-07-14 Print Name: Tom Brace Title: Global Legal Compliance Manager *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database

Compliance Certification Services (Kunshan) Inc. Report No.: KSEM210700103901 Appendix D Photographs 1. SAR measurement System 2. Photographs of Tissue Simulate Liquid 3. Photographs of EUT test position 4. EUT Constructional Details Compliance Certification Services (Kunshan) Inc. Report No.: KSEM210700103901 1. SAR measurement System Compliance Certification Services (Kunshan) Inc. Report No.: KSEM210700103901 2. Photographs of Tissue Simulate Liquid Photo 1: Tissue Simulant Liquid for Head 2450 Compliance Certification Services (Kunshan) Inc. Report No.: KSEM210700103901 3. Photographs of EUT test position Photo 2: Side 1 0mm Photo 3: Side 2 0mm Photo 4: Side 3 0mm Photo 5: Side 4 0mm Photo 6: Side 5 0mm Photo 7: Side 6 0mm Compliance Certification Services (Kunshan) Inc. Report No.: KSEM210700103901 Photo 8: Side 7 0mm Photo 9: Side 8 0mm Compliance Certification Services (Kunshan) Inc. Report No.: KSEM210700103901 4. EUT Constructional Details Details please Refer to the <External Photos>&<Internal Photos>.

SKULLCANDY, INC. Label placement To Federal Communication Commission Equipment Authorization Branch 7 435 Oakland Mills Road Columbia, MID 21046 For the following product, Model Name, Number: Grind Fuel，S2GFW FCC ID: Y22-S2GFW The FCC ID is not affixed on the product itself, but described in the product user manual and the product package/case due to below reasons. Reasons： The device is too small to put the label on it. Print Name: Tom Brace Title: Global Legal Compliance Manager Signature: On behalf of Company: Skullcandy Inc. Telephone: 435-729-2458

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 1 of 10 Internal Photos for SZCR2106021599AT FCC ID: Y22-S2GFW SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 2 of 10 1 EUT Constructional Details SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 3 of 10 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 4 of 10 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 5 of 10 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 6 of 10 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 7 of 10 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 8 of 10 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 9 of 10 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 10 of 10 Antenna:

Compliance Certification Services (Kunshan) Inc. Report No.: KSEM210700103901 Page: 1 of 42 Eric Lin Laboratory Manager The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in this report. If the product in this report is used in any configuration other than that detailed in the report, the manufacturer must ensure the new system complies with all relevant standards. Any mention of SGS International Electrical Approvals or testing done by SGS International Electrical Approvals in connection with, distribution or use of the product described in this report must be approved by SGS International Electrical Approvals in writing. FCC SAR TEST REPORT Application No.: KSEM2107001039CR(SZCR2106021599AT) Applicant:SKULLCANDY,INC. Address of Applicant:6301 N Landmark Dr Park City UT 84098, Utah United States of America Manufacturer:SKULLCANDY,INC. Address of Manufacturer:6301 N Landmark Dr Park City UT 84098, Utah United States of America Product Name:Grind Fuel Model No.(EUT): S2GFW Trade mark: Skullcandy FCC ID:Y22-S2GFW Standard(s) : FCC 47CFR §2.1093 Date of Receipt: 2021-07-05 Date of Test: 2021-07-15 to 2021-07-15 Date of Issue: 2021-07-16 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. Compliance Certification Services (Kunshan) Inc. Report No.: KSEM210700103901 Page: 2 of 42 REVISION HISTORY Revision Record VersionDescriptionDateRemark 00Original2021-07-16/ Authorized for issue by: Richard.Kong/ Project Engineer Eric.Lin/Reviewer Compliance Certification Services (Kunshan) Inc. Report No.: KSEM210700103901 Page: 3 of 42 TEST SUMMARY Maximum Reported SAR(W/kg) Frequency Band Head Bluetooth0.14 SAR Limited(W/kg)1.6 Compliance Certification Services (Kunshan) Inc. Report No.: KSEM210700103901 Page: 4 of 42 CONTENTS 1GENERAL INFORMATION..............................................................................................................................6 1.1GENERAL DESCRIPTION OF EUT.................................................................................................................6 1.1.1DUT Antenna Locations.......................................................................................................................7 1.2TEST SPECIFICATION..................................................................................................................................8 1.3RF EXPOSURE LIMITS.................................................................................................................................9 1.4TEST LOCATION.......................................................................................................................................10 1.5TEST FACILITY.........................................................................................................................................10 2LABORATORY ENVIRONMENT...................................................................................................................11 3SAR MEASUREMENTS SYSTEM CONFIGURATION.................................................................................12 3.1THE SAR MEASUREMENT SYSTEM............................................................................................................12 3.2ISOTROPIC E-FIELD PROBE EX3DV4.........................................................................................................14 3.3DATA ACQUISITION ELECTRONICS (DAE)...................................................................................................15 3.4SAM TWIN PHANTOM...............................................................................................................................15 3.5ELI PHANTOM..........................................................................................................................................16 3.6DEVICE HOLDER FOR TRANSMITTERS........................................................................................................17 3.7MEASUREMENT PROCEDURE.....................................................................................................................18 3.7.1Scanning procedure...........................................................................................................................18 3.7.2Data Storage......................................................................................................................................20 3.7.3Data Evaluation by SEMCAD............................................................................................................20 4SAR MEASUREMENT VARIABILITY AND UNCERTAINTY........................................................................22 4.1SAR MEASUREMENT VARIABILITY..............................................................................................................22 4.2SAR MEASUREMENT UNCERTAINTY...........................................................................................................23 5DESCRIPTION OF TEST POSITION.............................................................................................................24 5.1THE BODY TEST POSITION........................................................................................................................24 6SAR SYSTEM VERIFICATION PROCEDURE..............................................................................................25 6.1TISSUE SIMULATE LIQUID..........................................................................................................................25 6.1.1Recipes for Tissue Simulate Liquid...................................................................................................25 6.1.2Test Liquids Confirmation..................................................................................................................26 6.1.3Measurement for Tissue Simulate Liquid.................................................................…

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SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210602159903 Page: 1 of 86 Keny Xu EMC Laboratory Manager TEST REPORT Application No.: SZCR2106021599AT Applicant: SKULLCANDY, INC. Address of Applicant: 6301 N Landmark Dr Park City UT 84098, Utah United States of America Manufacturer: SKULLCANDY, INC. Address of Manufacturer: 6301 N Landmark Dr Park City UT 84098, Utah United States of America Equipment Under Test (EUT): EUT Name: Grind Fuel Model No.: S2GFW Trade Mark: Skullcandy FCC ID: Y22-S2GFW Standard(s) : 47 CFR Part 15, Subpart C 15.247 Date of Receipt: 2021-06-17 Date of Test: 2021-06-23 to 2021-06-30 Date of Issue: 2021-07-05 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210602159903 Page: 2 of 86 Revision Record Version Chapter Date Modifier Remark 01 2021-07-05 Original Authorized for issue by: Benson Wang/Project Engineer Eric Fu/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210602159903 Page: 3 of 86 2 Test Summary Radio Spectrum Technical Requirement Item Standard Method Requirement Result Antenna Requirement 47 CFR Part 15, Subpart C 15.247 N/A 47 CFR Part 15, Subpart C 15.203 & 15.247(b)(4) Pass Radio Spectrum Matter Part Item Standard Method Requirement Result Conducted Peak Output Power 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 11.9.1 47 CFR Part 15, Subpart C 15.247(b)(3) Pass Minimum 6dB Bandwidth ANSI C63.10 (2013) Section 11.8.1 47 CFR Part 15, Subpart C 15.247a(2) Pass Power Spectrum Density ANSI C63.10 (2013) Section 11.10.2 47 CFR Part 15, Subpart C 15.247€ Pass Conducted Band Edges Measurement ANSI C63.10 (2013) Section 11.13.3.2 47 CFR Part 15, Subpart C 15.247(d) Pass Conducted Spurious Emissions ANSI C63.10 (2013) Section 11.11 47 CFR Part 15, Subpart C 15.247(d) Pass Radiated Emissions which fall in the restricted bands ANSI C63.10 (2013) Section 6.10.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Below 1GHz ANSI C63.10 (2013) Section 6.4,6.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Above 1GHz ANSI C63.10 (2013) Section 6.6 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Emission Part Item Standard Method Requirement Result Conducted Emissions at AC Power Line (150kHz-30MHz) 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 6.2 47 CFR Part 15, Subpart C 15.207 Pass SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210602159903 Page: 4 of 86 3 Contents Page 1 COVER PAGE ..................................................................................................................................... 1 2 TEST SUMMARY ................................................................................................................................. 3 3 CONTENTS ......................................................................................................................................... 4 4 GENERAL INFORMATION .................................................................................................................. 6 4.1 DETAILS OF E.U.T. ......................................................................................................................... 6 4.2 DESCRIPTION OF SUPPORT UNITS .................................................................................................... 6 4.3 MEASUREMENT UNCERTAINTY ......................................................................................................... 6 4.4 TEST LOCATION ............................................................................................................................. 7 4.5 TEST FACILITY ............................................................................................................................... 7 4.6 DEVIATION FROM STANDARDS ......................................................................................................... 7 4.7 ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................. 7 5 EQUIPMENT LIST ............................................................................................................................... 8 6 RADIO SPECTRUM TECHNICAL REQUIREMENT ............................................................................11 6.1 ANTENNA REQUIREMENT ................................................................................................................11 6.1.1 Test Requirement: ..................................................................................................................11 6.1.2 Conclusion ..............................................................................................................................11 7 RADIO SPECTRUM MATTER TEST RESULTS .................................................................................12 7.1 CONDUCTED PEAK OUTPUT POWER ................................................................................................12 7.1.1 E.U.T. Operation .....................................................................................................................12 7.1.2 Test Mode Description ............................................................................................................12 7.1.3 Test Setup Diagram ................................................................................................................13 7.1.4 Measurement Procedure and Data .........................................................................................13 7.2 MINIMUM 6DB BANDWIDTH .............................................................................................................14 7.2.1 E.U.T. Operation .....................................................................................................................14 7.2…

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SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 1 of 4 Setup Photos for SZCR2106021599AT FCC ID: Y22-S2GFW SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 2 of 4 1 Photographs Conducted Emissions at AC Power Line (150kHz-30MHz) Left earbuds Right earbuds SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 3 of 4 Radiated Spurious Emissions Below 1GHz Left earbuds Right earbuds SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 4 of 4 Radiated Spurious Emissions Above 1GHz Left earbuds Right earbuds

Compliance Certification Services (Kunshan) Inc. Report No.: KSEM210700103901 Appendix D Photographs 1. SAR measurement System 2. Photographs of Tissue Simulate Liquid 3. Photographs of EUT test position 4. EUT Constructional Details Compliance Certification Services (Kunshan) Inc. Report No.: KSEM210700103901 1. SAR measurement System Compliance Certification Services (Kunshan) Inc. Report No.: KSEM210700103901 2. Photographs of Tissue Simulate Liquid Photo 1: Tissue Simulant Liquid for Head 2450 Compliance Certification Services (Kunshan) Inc. Report No.: KSEM210700103901 3. Photographs of EUT test position Photo 2: Side 1 0mm Photo 3: Side 2 0mm Photo 4: Side 3 0mm Photo 5: Side 4 0mm Photo 6: Side 5 0mm Photo 7: Side 6 0mm Compliance Certification Services (Kunshan) Inc. Report No.: KSEM210700103901 Photo 8: Side 7 0mm Photo 9: Side 8 0mm Compliance Certification Services (Kunshan) Inc. Report No.: KSEM210700103901 4. EUT Constructional Details Details please Refer to the <External Photos>&<Internal Photos>.