2AVMA-NBY5540Bluetooth Speaker

56 50 207x67x80 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 a 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.

< Dongguan Xianghe Xin Industrial Co., Ltd > Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD21046 Date:2020-04-09 Subject; Request for Long Term Confidentiality FCC ID: 2AVMA-NBY5540 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description It i s our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Meizhen Lin Title: General Manager

Dongguan Xianghe Xin Industrial Co., Ltd Letter of Authorization Company: Dongguan Xianghe Xin Industrial Co., Ltd Address: The third floor of Building A,Chang yin ke chuang Park,No.10,Binnong First Road,Meitang,Huangjiang, DongGuan, China Product Name: Bluetooth Speaker Model Number(s): NBY5540 Product Description: Bluetooth Speaker We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Date: 2020-04-09 Signature: Name: Meizhen Lin Title: General Manager Company: Dongguan Xianghe Xin Industrial Co., Ltd

Test model number: NBY5540

Label Product Name: Bluetooth Speaker Model No.: NBY5540 FCC ID: 2AVMA-NBY5540 Made in china SIZE:L*W=17mm*15mm

Test model number: NBY5540 RF Antenna

Global United Technology Services Co., Ltd. Report No.: GTS202003000221F01 Authorized Signature: Robinson Lo Laboratory Manager This results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Page 1 of 26 TEST REPORT Applicant: Dongguan Xianghe Xin Industrial Co., Ltd Address of Applicant: The third floor of Building A,Chang yin ke chuang Park,No.10,Binnong First Road,Meitang,Huangjiang, DongGuan, China Manufacturer: Dongguan Xianghe Xin Industrial Co., Ltd Address of Manufacturer: The third floor of Building A,Chang yin ke chuang Park,No.10,Binnong First Road,Meitang,Huangjiang, DongGuan, China Equipment Under Test (EUT) Product Name: Bluetooth Speaker Model No.: NBY5540 Trade Mark: FCC ID: 2AVMA-NBY5540 Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.249 Date of sample receipt: March 16, 2020 Date of Test: March 16-30, 2020 Date of report issued: March 31, 2020 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: GTS202003000221F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 26 2 Version Version No. Date Description 00 March 31, 2020 Original Prepared By: Date: March 31, 2020 Project Engineer Check By: Date: March 31, 2020 Reviewer Report No.: GTS202003000221F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 3 of 26 3 Contents Page 1 COVER PAGE ............................................................................................................................................ 1 2 VERSION .................................................................................................................................................. 2 3 CONTENTS .............................................................................................................................................. 3 4 TEST SUMMARY ..................................................................................................................................... 4 4.1 MEASUREMENT UNCERTAINTY ............................................................................................................ 4 5 GENERAL INFORMATION ...................................................................................................................... 5 5.1 GENERAL DESCRIPTION OF EUT ......................................................................................................... 5 5.2 TEST MODE ........................................................................................................................................ 7 5.3 DESCRIPTION OF SUPPORT UNITS ....................................................................................................... 7 5.4 DEVIATION FROM STANDARDS ............................................................................................................. 7 5.5 ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................... 7 5.6 TEST FACILITY .................................................................................................................................... 7 5.7 TEST LOCATION ................................................................................................................................. 7 6 TEST INSTRUMENTS LIST ..................................................................................................................... 8 7 TEST RESULTS AND MEASUREMENT DATA .................................................................................... 10 7.1 ANTENNA REQUIREMENT ................................................................................................................... 10 7.2 CONDUCTED EMISSIONS ................................................................................................................... 11 7.3 RADIATED EMISSION METHOD ........................................................................................................... 14 7.3.1 Field Strength of The Fundamental Signal ................................................................................ 16 7.3.2 Spurious emissions .................................................................................................................... 17 7.3.3 Bandedge emissions.................................................................................................................. 22 7.4 20DB OCCUPY BANDWIDTH .............................................................................................................. 23 8 TEST SETUP PHOTO ............................................................................................................................ 26 9 EUT CONSTRUCTIONAL DETAILS ..................................................................................................... 26 Report No.: GTS202003000221F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 4 of 26 4 Test Summary Test Item Section in CFR 47 Result Antenna requirement 15.203 Pass AC Power Line Conducted Emission 15.207 Pass Field strength of the fundamental signal 15.249 (a) Pass Spurious emissions 15.249 (a) (d)/15.209 Pass Band edge 15.249 (d)/15.205 Pass 20dB Occupied Ban…

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Test model number: NBY5540 Radiated Emission Conducted Emission