2AF52686T1PORTABEL SOUND SYSTEM

User Manual PORTABLE SOUND SYSTEM Model No.: TY-ASC65(客人型号) Model No.: KP686T(本厂型号) Read this booklet thoroughly before using and save it for future reference Unit must be fully charged before use 1 FCC STATEMENT 1. 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. 2. 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. FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm 2 between the radiator & your body IC warning - English: This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference; and (2) This device must accept any interference, including interference that may cause undesired operation of the device. FCC/ IC Radiation Exposure Statement This equipment complies with FCC and IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body - French: Cet appareil contient des émetteurs / récepteurs exemptés de licence conformes aux RSS (RSS) d'Innovation, Sciences et Développement économique Canada. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radio électrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement." FCC/ IC Déclaration d 'exposition aux rayonnements Cet appareil est conforme à FCC et IC l’exposition aux rayonnements limites fixées pour un environnement non contrôlé. Cet appareil doit être installé et utilisé avec une distance minimale de 20 cm entre le radiateur et votre corps. Cet transmetteur ne doit pas être co-situé ou opérant en liaison avec toute autre antenne ou transmetteur. 1. Minimum distances 30cm around the apparatus for sufcient ventilation; 2. The ventilation should not be impeded by covering the ventilation openings with items, such as newspapers, table-cloths, curtains, etc.; 3. No naked flame sources, such as lighted candles, should be placed on the apparatus; 4. Attention should be drawn to the environmental aspects of battery disposal; 5. The use of apparatus in moderate climates. 6. WARNING : To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture; 7. CAUTION : Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type; 8. Batterie shall not be exposes to excessive heat such as sunshine, fre, etc. 9. Where the MAINS plug or an appliance coupler is used as the disconnect device, the disconnect device shall remain readily operable; The lightning flash with arrowhead symbol, within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. This equipment is a Class II or double insulated electrical appliance. It has been designed in such a way that it does not require a safety connection to electrical earth. Direct current Alternating current 3 1. 30cm distance minimale autour de l'appareil pour une aération suffisante; 2. Il convient que l'aération ne soit pas gênée par l'obstruction des ouvertures d'aération par des objets tels que journaux, nappes, rideaux, etc.; 3. Il convient de ne pas placer sur l'appareil de sources de flammes nues, telles que des bougies allumées; 4. Il convient d'attirer l'attention sur les problèmes d'environnement dus à la mise au déchet des piles; 5. Si l'appareil est destiné à être utilisé sous un climat tempéré; 6. ATTENTION : Pour réduire le risque du feu et du choc électrique, ne pas exposer cet appareil aux pluies ou à l'humidité; 7. ATTENTION : Danger d'explosion si la pile n'est pas remplacée correctement. Ne remplacer que p ar le même type ou un type équivalent; 8. La batterie ne doit pas être exposée à une chaleur excessive telle que le soleil, le feu ou similaire. 9. Lorsque la prise du RÉSEAU D ’ ALIMENTATION ou une prise placée sur l’appareil est utilisée comme dispositif de déconnexion, ce dispositif …

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KING PROFIT TRADING LTD. I, the signer, Dava Deng The electronic function and structure are the same except the model name. Item Name ： PROTABEL SOUND SYSTEM Model Number: KP686T Additional Model: TY-ASC65 FCC ID: 2AF52686T1 <Signature> Name: Dava Deng Title: Representative Company: KING PROFIT TRADING LTD.

DATE : 2021.07.28 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AF52686T1 Product Name: PORTABLE SOUND SYSTEM 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: (List here the documents for which you are seeking confidentiality – for example ...) • 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: Dava Deng Title: Representative Company: KING PROFIT TRADING LTD.

DATE : 2021.07.28 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act asAgent On our behalf, I appoint EST Technology Co., Ltd. Address: Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, 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,Iacknowle dgethatallresponsibilityforcomplyingwiththetermsandconditionsforcertification,stillresideswith KING PROFIT TRADING LTD. Address:Flat 06, 19/F, Laurels Industrial Centre, 32 Tai Yau St., San Po Kong,KowloonHong Kong (Applicant Nameandaddress) <Signature> Name:Dava Deng Title: Representative Company: KING PROFIT TRADING LTD.

ExternalPhotos M/N:KP686T ExternalPhotos M/N:KP686T ExternalPhotos M/N:KP686T

InternalPhotos M/N:KP686T InternalPhotos M/N:KP686T InternalPhotos M/N:KP686T InternalPhotos M/N:KP686T InternalPhotos M/N:KP686T Bluetooth Antenna InternalPhotos M/N:KP686T

FCC ID: 2AF52686T1 EST Technology Co. ,Ltd Report No. ESTE-R2107104 Page 1 of 5 FCC 47 CFR MPE REPORT KING PROFIT TRADING LTD. PORTABLE SOUND SYSTEM Model Number: KP686T Additional Model: TY-ASC65 FCC ID: 2AF52686T1 Prepared for: KING PROFIT TRADING LTD. Flat 06, 19/F, Laurels Industrial Centre, 32 Tai Yau st., San Po Kong, Kowloon, Hong Kong. Prepared By: EST Technology Co., Ltd. Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China Tel: 86-769-83081888-808 Report Number: ESTE-R2107104 Date of Test: Jun. 18~Jul. 15, 2021 Date of Report: Jul. 17, 2021 FCC ID: 2AF52686T1 EST Technology Co. ,Ltd Report No. ESTE-R2107104 Page 2 of 5 Maximum Permissible Exposure 1. Applicable Standards Systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as a mobile device whereby a distance of 0.2m normally can be maintained between the user and the device. 1.1. Limits for Maximum Permissible Exposure (MPE) (a) Limits for Occupational/Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times ︱E︱ 2 ,︱H︱ 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842/f 4.89/f (900/f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-10000 5 6 (b) Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times ︱E︱ 2 ,︱H︱ 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-10000 1.o 30 Note: f=frequency in MHz; *Plane-wave equivalent power density FCC ID: 2AF52686T1 EST Technology Co. ,Ltd Report No. ESTE-R2107104 Page 3 of 5 1.2. MPE Calculation Method E (V/m) = d G×P×30 Power Density: Pd (W/m 2 ) = 377 E 2 E = Electric Field (V/m) P = Peak RF output Power (W) G = EUT Antenna numeric gain (numeric) d = Separation distance between radiator and human body (m) The formula can be changed to Pd = 2 d×377 G×P×30 From the peak EUT RF output power, the minimum mobile separation distance, d=0.2m, as well as the gain of the used antenna, the RF power density can be obtained FCC ID: 2AF52686T1 EST Technology Co. ,Ltd Report No. ESTE-R2107104 Page 4 of 5 2. Conducted Power Result Mode Frequency (MHz) Peak output power (dBm) Peak output power (mW) Target power (dBm) Antenna gain (dBi) (Linear) GFSK 2402 -0.86 0.820 0 ±2 -0.68 0.855 2441 -0.44 0.904 0 ±2 -0.68 0.855 2480 0.06 1.014 0 ±2 -0.68 0.855 π/4-DQPSK 2402 -0.29 0.935 0 ±2 -0.68 0.855 2441 0.02 1.005 0 ±2 -0.68 0.855 2480 0.48 1.117 0 ±2 -0.68 0.855 FCC ID: 2AF52686T1 EST Technology Co. ,Ltd Report No. ESTE-R2107104 Page 5 of 5 3. Calculated Result and Limit Mode Target power (dBm) Antenna gain Power Density (S) (mW/cm 2 ) Limited of Power Density (S) (mW/cm 2 ) Test Result (dBi) (Linear) 2.4G Band GFSK 2 -0.68 0.8550.00027 1 Complies π/4-DQPSK 2 -0.68 0.8550.00027 1 Complies End of Test Report

FCC ID: 2AF52686T1 EST Technology Co., Ltd Report No. ESTE-R2107103 Page 1 of 71 FCC PART 15C TEST REPORT FOR CERTIFICATION On Behalf of KING PROFIT TRADING LTD. PORTABLE SOUND SYSTEM Model Number: KP686T Additional Model: TY-ASC65 FCC ID: 2AF52686T1 Prepared for: KING PROFIT TRADING LTD. Flat 06, 19/F, Laurels Industrial Centre, 32 Tai Yau st., San Po Kong, Kowloon, Hong Kong. Prepared By: EST Technology Co., Ltd. Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China Tel: 86-769-83081888-808 Report Number: ESTE-R2107103 Date of Test: Jun. 18~Jul. 15, 2021 Date of Report: Jul. 17, 2021 FCC ID: 2AF52686T1 EST Technology Co., Ltd Report No. ESTE-R2107103 Page 2 of 71 TABLE OF CONTENTS Description Page TEST REPORT VERIFICATION......................................................................................................................... 3 1. GENERAL INFORMATION ................................................................................................................. 5 1.1. Description of Device (EUT) ........................................................................................................... 5 1.2. Antenna Information ........................................................................................................................ 5 2. SUMMARY OF TEST ......................................................................................................................... 6 2.1. Summary of test result ...................................................................................................................... 6 2.2. Test Facilities ................................................................................................................................... 7 2.3. Measurement uncertainty ................................................................................................................. 8 2.4. Assistant equipment used for test ..................................................................................................... 8 2.5. Block Diagram ................................................................................................................................. 8 2.6. Test mode ......................................................................................................................................... 9 2.7. Channel List ................................................................................................................................... 10 2.8. Power Setting of Test Software ...................................................................................................... 10 2.9. Test Equipmen ................................................................................................................................ 11 3. MAXIMUM PEAK OUTPUT POWER ................................................................................................. 12 3.1. Limit ............................................................................................................................................... 12 3.2. Test Setup ....................................................................................................................................... 12 3.3. Spectrum Analyzer Setting ............................................................................................................. 12 3.4. Test Procedure ................................................................................................................................ 12 3.5. Test Result ...................................................................................................................................... 13 4. 20 DB BANDWIDTH ....................................................................................................................... 17 4.1. Limit ............................................................................................................................................... 17 4.2. Test Setup ....................................................................................................................................... 17 4.3. Spectrum Analyzer Setting ............................................................................................................. 17 4.4. Test Procedure ................................................................................................................................ 17 4.5. Test Result ...................................................................................................................................... 18 5. CARRIER FREQUENCY SEPARATION .............................................................................................. 22 5.1. Limit ............................................................................................................................................... 22 5.2. Test Setup ....................................................................................................................................... 22 5.3. Spectrum Analyzer Setting ............................................................................................................. 22 5.4. Test Procedure ................................................................................................................................ 22 5.5. Test Result ...................................................................................................................................... 23 6. NUMBER OF HOPPING CHANNEL .................................................................................................. 27 6.1. Limit ............................................................................................................................................... 27 6.2. Test Setup ....................................................................................................................................... 27 6.3. Spectrum Analyzer Setting ...........................................…

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TESTSETUPPHOTO ConductedTest RadiatedTest(Below1GHz) RadiatedTest(Above1GHz)