2AV7N-MPS4Karaoke speaker

GUANGZHOURANTIONTECHNOLOGYCO.,LTD. CoveredEquipmentCertificationAttestationLetter 6/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ATTN.:ReviewingEngineer FCCID:2AV7N-MPS4 GUANGZHOURANTIONTECHNOLOGYCO.,LTD.(“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisnot“covered”equipmentprohibitedfrom receivinganequipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. GUANGZHOURANTIONTECHNOLOGYCO.,LTD.(“theapplicant”)certifiesthat,asof thedateofthefilingoftheapplication,theapplicantisnotidentifiedontheCoveredList asanentityproducing“covered”equipment. Signed: Printedname:AlanXiang Title:CertificationManager CompanyName:GUANGZHOURANTIONTECHNOLOGYCO.,LTD. Date:6/26/2023

* the ap en 6/26 TO: ATT FCC FRN Per LT D to th Co m FCC Phy Car Con Age The Th e term proc Ap p Sign Prin Titl e Co m TEC Date Agent Signed (if different from Applicant): applicant m pplicant’s age ntity. An appl 6/2023 Federa 7435 O Columb TN.: Revie C ID: 2AV7N N of applica section 2.9 D.](“the app he followin mpany Nam C Registrati ysical U.S. rolina United ntact Person ent Email Ad e above con e applicant a minated all m ceeding inv plicant Sign ned: ted name: A e: Certificatio mpany Name CHNOLOGY e: 6/26/2023 GUANG ust designat ent for servic licant located U.S. A l Communic Oakland Mills bia, MD 210 ewing Engin N-MPS4 ant: 002947 911(d)(7) of licant”) cer t ng U.S. age me: Donner ion Number Company d States n: Alan Xian ddress: 374 ntact person accepts to m marketing a volving the e ned: Alan Xiang on Manager e: GUANGZH CO., LTD. GZHOU R te a contact l ce of process d in the Unite Agent Des Certifi cations Com s Road 046 neer 2495 fthe FCC ru tifies that th nt* for ser v LLC r (FRN): 003 Address: 5 ng 4167555@q n accepts th maintain an and importat equipment. HOU RANTIO RANTION T located in the s, regardless ed States ma signation cation At mmission ules,[GUAN e equipme n vice of pro 33872037 525 N Tryo qq.com he obligation agent for n tion or the c ON TECHNOL e United Sta s of whether ay designate for Servi ttestation GZHOU RA nt for which cess: on St Suite n for service no less than conclusion o Signed: Printed Title: C e Co mpa n Date: 6/ LOGY CO., tes for purpo the applican e itself as the ice of Pro Letter ANTION TE authorizati e 1727 Ch e of process n one year a of any Com name: Alan X ertification M ny Name: Do /26/2023 , LTD. oses of acting t is a domes e agent for se ocess - ECHNOLOG on is sough harlotte, NC s. after the gra mmission-rel Xiang anage r onner LLC g as the tic or foreig n ervice of pro GY CO., ht is designa C 28202 N antee has lated n cess. ated North

GUANGZHOU RANTION TECHNOLOGY CO., LTD. 2023-06-26 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act asAgent On our behalf, I appoint SHENZHEN TONGCE TESTING LAB / 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China(Name of Agent company name andaddress) to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonourbehalf,Iack nowledge that all responsibility for complying with the terms and conditions for certification, still resides with GUANGZHOU RANTION TECHNOLOGY CO., LTD. / Room 7002 and 7003, 7th Floor, Digital Entertainment Industrial Park, Greater Bay Area, No. 28 Huangpu Park West Road, Huangpu District, Guangzhou, China(Applicant Name and address) <Signature> Name: Alan Xiang Title: Certification Manager Applicant Company: GUANGZHOU RANTION TECHNOLOGY CO., LTD.

GUANGZHOU RANTION TECHNOLOGY CO., LTD. 2023-06-26 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID:2AV7N-MPS4 Product Name: Karaoke speaker Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential: •Schematics •Block diagram •Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. <Signature> Name: Alan Xiang Title: Certification Manager Company: GUANGZHOU RANTION TECHNOLOGY CO., LTD.

Page 1 of 4 Appendix C: Photographs of EUT Product: Karaoke speaker Model: MPS4 External Photos Page 2 of 4 Page 3 of 4 Page 4 of 4

LabelArtworkandLocation Model:MPS4 Label: Size:L*W=50*25mm 7mm Location

Page 1 of 10 Appendix C: Photographs of EUT Product: Karaoke speaker Model: MPS4 Internal Photos Page 2 of 10 Page 3 of 10 Page 4 of 10 BT ANT Page 5 of 10 Page 6 of 10 Page 7 of 10 RX ANT Page 8 of 10 Page 9 of 10 Page 10 of 10

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2AV7N-MPS4 Test Report No. ............... : TCT230519E008 Date of issue ................... : Jun. 02, 2023 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : GUANGZHOU RANTION TECHNOLOGY CO., LTD. Address ........................... : Room 7002 and 7003, 7th Floor, Digital Entertainment, Industrial Park, Greater Bay Area, No.28, Huangpu Park West Road, Huangpu District, Guangzhou, China Manufacturer's name ... : GUANGZHOU RANTION TECHNOLOGY CO., LTD. Address ........................... : Room 7002 and 7003, 7th Floor, Digital Entertainment, Industrial Park, Greater Bay Area, No.28, Huangpu Park West Road, Huangpu District, Guangzhou, China Factory 's name 1 ......... : Guangdong Huijie Intelligent Technology Co.Ltd. Address ........................... : No. 2 Guangyi Road, Industrial Transfer Park, Shijiao Town, Qingcheng District, Qingyuan City, Guangdong, China Factory 's name 2 ......... : Jiangmen Duole Technology Co., Ltd. Address ........................... : Building 9, No.52, Baotang Road, Tangxia Town, Pengjiang District, Jiangmen City, China Standard(s) ..................... : KDB 447498 D01 General RF Exposure Guidance v06 Product Name ................. : Karaoke speaker Trade Mark ...................... : MouKey, DONNER Model/Type reference..... : MPS4 Rating(s).......................... : Input: DC 5V, 1A Rechargeable Li-ion Battery DC 3.7V Date of receipt of test item ......................................... : May 19, 2023 Date (s) of performance of test ................................... : May 19, 2023 - Jun. 02, 2023 Tested by (+signature) ... : Onnado YE Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT230519E008 Page 2 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 2. General Information ................................................................................. 4 2.1. Test environment and mode ................................................................................. 4 2.2. Description of Support Units ................................................................................ 4 3. Facilities and Accreditations .................................................................. 5 3.1. Facilities ................................................................................................................. 5 3.2. Location ................................................................................................................. 5 4. Test Results and Measurement Data ..................................................... 6 Report No.: TCT230519E008 Page 3 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : Karaoke speaker Model/Type reference........... : MPS4 Sample Number....................: TCT230519E007-0101 Operation Frequency ........... : 2402MHz~2480MHz Modulation Type ................... : GFSK, π/4-DQPSK, 8DPSK Antenna Type ........................ : PCB Antenna Antenna Gain ........................ : 1.7dBi Rating(s)................................ : Input: DC 5V, 1A Rechargeable Li-ion Battery DC 3.7V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list None. Report No.: TCT230519E008 Page 4 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. General Information 2.1. Test environment and mode Item Normal condition Temperature +25ºC Voltage DC 3.7V Humidity 56% Atmospheric Pressure: 1008 mbar Test Mode: Engineering mode: Keep the EUT in continuous transmitting by select channel 2.2. Description of Support Units The EUT has been tested as an independent unit together with other necessary accessories or support units. The following support units or accessories were used to form a representative test configuration during the tests. Equipment Model No. Serial No. FCC ID Trade Name / / / / / Note: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 3. For conducted measurements (Output Power, 20dB Occupied Bandwidth, Carrier Frequencies Separation, Hopping Channel Number, Dwell Time, Spurious Emissions), the antenna of EUT is connected to the test equipment via temporary antenna connector, the antenna connector is soldered on the antenna port of EUT, and the temporary antenna connector is listed in the Test Instruments. Report No.: TCT230519E008 Page 5 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 3. Facilities and Accreditations 3.1. Facilities The test facility is recognized, certified, or accredited by the follo…

Text truncated - open the document above for the full version.

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2AV7N-MPS4 Test Report No. ............... : TCT230519E007 Date of issue ................... : Jun. 02, 2023 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : GUANGZHOU RANTION TECHNOLOGY CO., LTD. Address ........................... : Room 7002 and 7003, 7th Floor, Digital Entertainment, Industrial Park, Greater Bay Area, No.28, Huangpu Park West Road, Huangpu District, Guangzhou, China Manufacturer's name ... : GUANGZHOU RANTION TECHNOLOGY CO., LTD. Address ........................... : Room 7002 and 7003, 7th Floor, Digital Entertainment, Industrial Park, Greater Bay Area, No.28, Huangpu Park West Road, Huangpu District, Guangzhou, China Factory 's name 1 ......... : Guangdong Huijie Intelligent Technology Co.Ltd. Address ........................... : No. 2 Guangyi Road, Industrial Transfer Park, Shijiao Town, Qingcheng District, Qingyuan City, Guangdong, China Factory 's name 2 ......... : Jiangmen Duole Technology Co., Ltd. Address ........................... : Building 9, No.52, Baotang Road, Tangxia Town, Pengjiang District, Jiangmen City, China Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 FCC KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2013 Product Name ................. : Karaoke speaker Trade Mark ...................... : MouKey, DONNER Model/Type reference..... : MPS4 Rating(s).......................... : Input: DC 5V, 1A Rechargeable Li-ion Battery DC 3.7V Date of receipt of test item ......................................... : May 19, 2023 Date (s) of performance of test ................................... : May 19, 2023 - Jun. 02, 2023 Tested by (+signature) ... : Onnado YE Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT230519E007 Page 2 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 1.3. Operation Frequency ............................................................................................ 3 2. Test Result Summary .............................................................................. 4 3. General Information ................................................................................. 5 3.1. Test environment and mode ................................................................................. 5 3.2. Description of Support Units ................................................................................ 5 4. Facilities and Accreditations .................................................................. 6 4.1. Facilities ................................................................................................................. 6 4.2. Location ................................................................................................................. 6 4.3. Measurement Uncertainty ..................................................................................... 6 5. Test Results and Measurement Data ..................................................... 7 5.1. Antenna requirement ............................................................................................ 7 5.2. Conducted Emission ............................................................................................. 8 5.3. Conducted Output Power ................................................................................... 12 5.4. 20dB Occupy Bandwidth .................................................................................... 13 5.5. Carrier Frequencies Separation ......................................................................... 14 5.6. Hopping Channel Number .................................................................................. 15 5.7. Dwell Time ............................................................................................................ 16 5.8. Pseudorandom Frequency Hopping Sequence ................................................ 17 5.9. Conducted Band Edge Measurement ................................................................ 18 5.10.Conducted Spurious Emission Measurement .................................................. 19 5.11.Radiated Spurious Emission Measurement ..................................................... 20 Appendix A: Test Result of Conducted Test Appendix B: Photographs of Test Setup Appendix C: Photographs of EUT Report No.: TCT230519E007 Page 3 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : Karaoke speaker Model/Type reference........... : MPS4 Sample Number....................: TCT230519E007-0101 Bluetooth Version ................ : V5.0 Operation Frequency ........... : 2402MHz~2480MHz Transfer Rate ........................ : 1/2/3 Mbits/s Number of Channel .............. : 79 Modulation Type ................... : GFSK, π/4-DQPSK, 8DPSK Modulation Te…

Text truncated - open the document above for the full version.

Report No.: TCT230519E007 Page 81 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 2-DH3 2441MHz One Burst Dwell NVNT 2-DH3 2441MHz Accumulated Report No.: TCT230519E007 Page 82 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 2-DH5 2441MHz One Burst Dwell NVNT 2-DH5 2441MHz Accumulated Report No.: TCT230519E007 Page 83 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 3-DH1 2441MHz One Burst Dwell NVNT 3-DH1 2441MHz Accumulated Report No.: TCT230519E007 Page 84 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 3-DH3 2441MHz One Burst Dwell NVNT 3-DH3 2441MHz Accumulated Report No.: TCT230519E007 Page 85 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 3-DH5 2441MHz One Burst Dwell NVNT 3-DH5 2441MHz Accumulated Report No.: TCT230519E007 Page 86 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Appendix B: Photographs of Test Setup Product: Karaoke speaker Model: MPS4 Radiated Emission Report No.: TCT230519E007 Page 87 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Conducted Emission Report No.: TCT230519E007 Page 88 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Appendix C: Photographs of EUT Product: Karaoke speaker Model: MPS4 External Photos Report No.: TCT230519E007 Page 89 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT230519E007 Page 90 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT230519E007 Page 91 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT230519E007 Page 92 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Product: Karaoke speaker Model: MPS4 Internal Photos Report No.: TCT230519E007 Page 93 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT230519E007 Page 94 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT230519E007 Page 95 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT230519E007 Page 96 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT230519E007 Page 97 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT230519E007 Page 98 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT230519E007 Page 99 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT230519E007 Page 100 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT230519E007 Page 101 of 101 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com *****END OF REPORT*****

Model： AB53 antenna Manufacturer：Guangdong Huijie Intelligent Technology Co.Ltd.

Page 1 of 2 Appendix B: Photographs of Test Setup Product: Karaoke speaker Model: MPS4 Radiated Emission Page 2 of 2 Conducted Emission