2AMD8HP008ANC Headphone

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital devic e, pu rsuant to part 15 of the FCC Rules. These limits are designed to pro vide reasonable protection agains t harm fu l interference in a re sidential installation. This equipment genera tes uses and can radiate radio frequency energy and, if not installed and use d in accordance with the instructions, may cause harm fu l interference to radio communications. However, there is no guara ntee that interfere nce will not occur in a particular installation. If this equipment does cause harm fu l interference to radio or television re ception, which can be determined by turn ing the equipment off and on , the user is encoura ged to try to correct the interference by on e or more of the following measu re s: - Re orient or relocate the re ceiving antenna. - Incre ase the separa tion between the equipment and re ceiver. -Con nect the equipment into an outlet on a ci rc uit differe nt fr om that to which the re ceiver is connected. -Con su lt the dealer or an experienced ra dio/TV te chnician for help 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. Shenzhen Ground Enterprises Co., Ltd Room607, Building F, MingYueHuaDu, Gonghe, Industrial Rd, Xixiang, Bao An District, Shenzhen, China

Shenzhen Ground Enterprises Co., Ltd Jan. 03, 2020 Federal Communication Commission Authorization and Evaluation Division FCC ID: 2AMD8HP008 Re: Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the applicant hereby requests confidential treatment of information applied this application as outlined below: 1: Block Diagram 2: Schematics 3: Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rules 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Shenzhen Ground Enterprises Co., Ltd Contact person: James Cao

External Photos TOP VIEW OF EUT BOTTOM VIEW OF EUT FRONT VIEW OF EUT BACK VIEW OF EUT LEFT VIEW OF EUT RIGHT VIEW OF EUT VIEW OF EUT(PORT)

FCC ID Label Location FCC ID: 2AMD8HP008 MODEL NAME: HP-008

Internal Photos OPEN VIEW OF EUT-1 INTERNAL VIEW OF EUT-1 INTERNAL VIEW OF EUT-2 INTERNAL VIEW OF EUT-3 INTERNAL VIEW OF EUT-4 INTERNAL VIEW OF EUT-5 Antenna VIEW OF BATTERY

Page 1 of 62 FCC Test Report Report No.: AGC01806191201FE03 FCC ID : 2AMD8HP008 APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : ANC HEADPHONE BRAND NAME : N/A MODEL NAME : HP-008, NC 1 APPLICANT : Shenzhen Ground Enterprises Co., Ltd DATE OF ISSUE : Jan. 02, 2020 STANDARD(S) : FCC Part 15.247 REPORT VERSION : V1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd CAUTION: This report shall not be reproduced except in full without the written permission of the test laboratory and shall not be quoted out of context. Report No.: AGC01806191201FE03 Page 2 of 62 REPORT REVISE RECORD Report Version Revise Time Issued Date Valid Version Notes V1.0 / Jan. 02, 2020 Valid Initial Release Report No.: AGC01806191201FE03 Page 3 of 62 TABLE OF CONTENTS 1. VERIFICATION OF CONFORMITY .................................................................................................................. 5 2. GENERAL INFORMATION .............................................................................................................................. 6 2.1. PRODUCT DESCRIPTION ........................................................................................................................ 6 2.2. TABLE OF CARRIER FREQUENCYS ....................................................................................................... 6 2.3. RECEIVER INPUT BANDWIDTH .............................................................................................................. 7 2.4. EXAMPLE OF A HOPPING SEQUENCY IN DATA MODE ......................................................................... 7 2.5. EQUALLY AVERAGE USE OF FREQUENCIES AND BEHAVIOUR ......................................................... 7 2.6. RELATED SUBMITTAL(S) / GRANT (S) .................................................................................................... 8 2.7. TEST METHODOLOGY ............................................................................................................................. 8 2.8. SPECIAL ACCESSORIES ......................................................................................................................... 8 2.9. EQUIPMENT MODIFICATIONS ................................................................................................................. 8 3. MEASUREMENT UNCERTAINTY ................................................................................................................... 9 4. DESCRIPTION OF TEST MODES ................................................................................................................. 10 5. SYSTEM TEST CONFIGURATION ................................................................................................................ 11 5.1. CONFIGURATION OF EUT SYSTEM ...................................................................................................... 11 5.2 EQUIPMENT USED IN TESTED SYSTEM ............................................................................................... 11 5.3. SUMMARY OF TEST RESULTS .............................................................................................................. 11 6. TEST FACILITY .............................................................................................................................................. 12 7. PEAK OUTPUT POWER ................................................................................................................................ 13 7.1. MEASUREMENT PROCEDURE ............................................................................................................. 13 7.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) .................................................................... 13 7.3. LIMITS AND MEASUREMENT RESULT .................................................................................................. 14 8. 20DB BANDWIDTH ........................................................................................................................................ 18 8.1. MEASUREMENT PROCEDURE ............................................................................................................. 18 8.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) .................................................................... 18 8.3. LIMITS AND MEASUREMENT RESULTS ............................................................................................... 18 9. CONDUCTED SPURIOUS EMISSION........................................................................................................... 23 9.1. MEASUREMENT PROCEDURE ............................................................................................................. 23 Report No.: AGC01806191201FE03 Page 4 of 62 9.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) .................................................................... 23 9.3. MEASUREMENT EQUIPMENT USED .................................................................................................... 23 9.4. LIMITS AND MEASUREMENT RESULT .................................................................................................. 23 10. RADIATED EMISSION ................................................................................................................................. 31 10.1. MEASUREMENT PROCEDURE ........................................................................................................... 31 10.2. TEST SETUP ......................................................................................................................................... 33 10.3. LIMITS AND MEASUREMENT RESULT................................................................................................ 34 10.4. TEST RESULT........................................................................................................................................ 34 11. NUMBER OF HOPPING FREQUENCY ..............................................................…

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Test Setup Photos RADIATED EMISSION TEST SETUP BELOW 1GHZ RADIATED EMISSION TEST SETUP ABOVE 1GHZ CONDUCTED EMISSION TEST SETUP CONDUCTED TEST SETUP