2ASVRHC-1502DSpeaker

INSTRUCTION MANUAL Read the manual prior to first using the product and keep it for further reference. For best sound performances, keep the unit away from water, moisture, direct sunlight, extreme temperatures. Place the unit in such a way that it can’t fall down. Never disassemble the unit. Otherwise, it may invalidate the warranty. 1. The apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such as vases, shall be placed on the apparatus to avoid any accident. 2. To prevent fire or electric shock, please check the compliance of the voltage of power grid with the specified supply voltage of this unit. 3. The mains plug is used as the disconnect device, the disconnect device shall remain readily operable. Insert an USB/SD card to the USB/SD port on the speaker.It can support USB 2.0 and max 32gb USB and SD card. FM (radio) Mode: 1. Press MODE button shortly after start up to switch over to “FM” status. 2. Auto radio station search and storage: Long Press the PLAY/PAUSE button and the unit will automatically search for radio stations in the radio frequency range between 87.5 and 108.0 MHz. After finished the searching , auto searching will stop and useful stationswill save automatically. Warranty Basic Warranty Statement Supersonic Inc.("Supersonic") warrants this product to the original purchaser ONLY, to be free from defects in materials and workmanship under normal use, for ninety (90) DAYS from the date of original purchase. Proof of purchase (receipt) required. Please visit http://www.supersonicinc.com/warranty for additional information. Garantía Declaración básica de garantía Supersonic Inc. ("Supersonic") garantiza este producto al comprador original SOLAMENTE, para estar libre de defectos en materiales y mano de obra bajo uso normal, por noventa (90) DÍAS a partir de la fecha de compra original. Se requiere una prueba de compra (recibo). Visite http://www.supersonicinc.com/warranty para obtener información adicional. Warning Statement 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. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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.

Dongguan HC Technology Co.,LTD. Agent Authorization Letter (2021/06/25) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen ZKT Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Client’s signature : Client’s name / title : BingWei Lin / Manager Contact information / address: NO.37,Tiyu Road,Baotun Community,Houjie Town,Dongguan City,China.

Dongguan HC Technology Co.,Ltd. Family models declaration letter. 2021-06-25 We Dongguan HC Technology Co.,Ltd. Of NO.37,Tiyu Road,Baotun Community,Houjie Town,Dongguan City,China. Product: Speaker Model Name: HC-1502D Serial Model: IQ-5515DJBT All the model are the same circuit and RF module,except model names. Thanks Sincerely, Signature Name: BingWei Lin Date: 2021-06-25 Title: Manager

Dongguan HC Technology Co.,LTD. Long Term Confidentiality Request Letter (2021-06-25) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR(Speaker / HC-1502D, IQ-5515DJBT / 2ASVRHC-1502D) To Whom It May Concern: - This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - - Block Diagram - Schematics - Operational Description required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Client’s signature : Client’s name / title : BingWei Lin / Manager Contact information / address: NO.37,Tiyu Road,Baotun Community,Houjie Town,Dongguan City,China.

4cm Model: HC-1502D FCC ID: 2ASVRHC-1502D 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 causeundesired operation. Label Location 3cm

BT ANT

Project No.:ZKT-210609L2471E Page 1 of 37 FCC TEST REPORT FCC ID:2ASVRHC-1502D Report Number. ................................ : ZKT-210609L2471E Date of Test ................................................. : May 25, 2021 to June 17, 2021 Date of issue .................................... : June 17, 2021 Total number of pages ...................... 47 Test Result ..................................... : PASS Testing Laboratory. ........................... : Shenzhen ZKT Technology Co., Ltd. Address .......................................... : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Applicant's name ............................ : Dongguan HC Technology Co.,LTD. Address .......................................... : NO.37,Tiyu Road,Baotun Community,Houjie Town,Dongguan City,China. Manufacturer's name ..................... : Dongguan HC Technology Co.,LTD. Address .......................................... : NO.37,Tiyu Road,Baotun Community,Houjie Town,Dongguan City,China. Test specification: Standard ........................................... : FCC CFR Title 47 Part 15 Subpart C Section 15.249 ANSI C63.10:2013 Test procedure ................................. : / Non-standard test method ............. : N/A Test Report Form No. .................... : TRF-EL-111_V0 Test Report Form(s) Originator .... : ZKT Testing Master TRF .................................... : Dated: 2021-06-17 This device described above has been tested by ZKT, and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of ZKT, this document may be altered or revised by ZKT, personal only, and shall be noted in the revision of the document. Product name ................................... : Speaker Trademark ...................................... : Model/Type reference ...................... : HC-1502D, IQ-5515DJBT Battery ............................................... N/A Ratings ............................................. : AC 100-260V 50/60Hz Project No.:ZKT-210609L2471E Page 2 of 37 Testing procedure and testing location: Testing Laboratory ..................................... : Shenzhen ZKT Technology Co., Ltd. Address ...................................................... : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Alen He Tested by (name + signature) .................... : Joe Liu Reviewer (name + signature) ..................... : Lake Xie Approved (name + signature) .................... : Project No.:ZKT-210609L2471E Page 3 of 37 Table of Contents Page 1.VERSION 5 2.1SUMMARY OF TEST RESULTS 6 2.1.1 TEST FACILITY 7 2.1.2 MEASUREMENT UNCERTAINTY 7 3. GENERAL INFORMATION 8 3.1 GENERAL DESCRIPTION OF EUT 8 3.2 DESCRIPTION OF TEST MODES 9 3.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 9 3.4 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) 10 3.5 EQUIPMENTS LIST FOR ALL TEST ITEMS 11 4. EMC EMISSION TEST 12 4.1 CONDUCTED EMISSION MEASUREMENT 12 4.1.1 POWER LINE CONDUCTED EMISSION LIMITS 12 4.1.2 TEST PROCEDURE 12 4.1.3 DEVIATION FROM TEST STANDARD 12 4.1.4 1.3TEST SETUP 12 4.1.5 EUT OPERATING CONDITIONS 13 4.1.6 TEST RESULTS 14 4.2 RADIATED EMISSION MEASUREMENT 16 4.2.1 RADIATED EMISSION LIMITS 16 4.2.2 TEST PROCEDURE 17 4.2.3 1.4DEVIATION FROM TEST STANDARD 17 4.2.4 TEST SETUP 17 4.2.5 EUT OPERATING CONDITIONS 18 5. BANDWIDTH OF FREQUENCY BAND EDGE 28 5.1 TEST REQUIREMENT: 28 5.2 TEST PROCEDURE 28 5.3 DEVIATION FROM TEST STANDARD 28 5.4 TEST SETUP 28 5.5 EUT OPERATING CONDITIONS 29 5.6 TEST RESULT 30 6. CHANNEL BANDWIDTH 32 6.1 APPLIED PROCEDURES / LIMIT 32 6.2 TEST PROCEDURE 32 6.3 DEVIATION FROM STANDARD 32 6.4 TEST SETUP 32 Project No.:ZKT-210609L2471E Page 4 of 37 Table of Contents Page 6.5 EUT OPERATION CONDITIONS 32 6.6 TSET RESULTS 33 8.ANTENNA REQUIREMENT 36 9. TEST SETUP PHOTO 37 10. EUT CONSTRUCTIONAL DETAILS 37 Project No.:ZKT-210609L2471E Page 5 of 37 1.VERSION Report No. Version Description Approved ZKT-210609L2471E Rev.01 Initial issue of report June 17, 2021 Project No.:ZKT-210609L2471E Page 6 of 37 2.1SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15 (15.249) , Subpart C Standard Section Test Item Judgment Remark FCC part 15.203 Antenna requirement PASS FCC part 15.207 AC Power Line Conducted Emission PASS FCC part 15.249 Fundamental &Radiated Spurious Emission Measurement PASS FCC part 15.215 (c) 20dB Channel Bandwidth PASS FCC part 15.205 Band Edge PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report Project No.:ZKT-210609L2471E Page 7 of 37 2.1.1 TEST FACILITY Shenzhen ZKT Technology Co., Ltd. Add. : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China FCC Test Firm Registration Number: 692225 Designation Number: CN1299 IC Registered No.: 27033 2.1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U，where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2，providing a level of confidence of approximately 95 %。 No. Item Uncertainty 1 Conducted Emission Test ±1.38dB 2 RF power conducted ±0.16dB 3 Spurious emissions conducted ±0.21dB 4 All emissions radiated(<1G) ±4.68dB 5 All emissions radiated(>1G) ±4.89dB 6 Temperature ±0.5°C 7 Humidity ±2% Project No.:ZKT-210609L2471E Page 8 of 37 3. GENERAL INFORMATION 3.1 GENERAL DESCRIPTION OF EUT Product Name: Speaker Model No.: HC-1502D, IQ-5515DJBT Model Different.: Only for different model name. Serial No.: N/A Hardware Version: H1.0 Software Version: S1.0 Sample(s) Status: Engineer sample Operation Frequency: 2402MHz~2480MHz Channel Numbers: 79 Channel Separation: 1MHz Modulation Type: GFSK, π/4-DQPSK, 8-DPSK Anten…

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Test Setup Photograph Radiated Emissions Test Setup Below 1G Above 1G Conduction Emissions Test Setup