2A9E9-GK-BS02GK-BS02 (Wireless Bluetooth Speaker)

Wireless Bluetooth Speaker Operation instruction MODEL:BS02 Bluetooth pairing Turn on Bluetooth automatically after power on Search for Bluetooth devices with your mobile Enter the connection pairing is successful Specification Input Power: 5V 2A Battery Capacity: 3600mA 1.lt takes 6 hours to fully charge the battery while playing music while charging ; Note 2.When fully charged, it can play continuously for 6 hours(if keeping maximum volume) ; 3. If only charging without playing music, it takes about 4 hours to fully charge. The above tests are based on a sample testing, and it is normal to have deviations in the tests. Tweeter: 60 20W Bass horn: 40 15W Bluetooth Version: 5.0 Material: MDF+PU leather Optional Color: white/black/brown/pink Button and interface description OFF/ON: Power Switch CHARGE: Charging indicator, red light is charging, green light means full charging. LED: Playing status indicator, the blue light flashes when playing, and the blue light stays on when it stops. VOL/Previous Song: Rotate the knob to adjust the sound volume; press the button down for the previous song. BASS/PAUSE: Rotate the knob to adjust the bass of the speaker, and press the button down to pause playback, long press the button down for changing the play mode. TREBLE/Next song: Rotate the knob to adjust the treble of the speaker, and press the button down for the next song. USB: USB flash disk interface, USB flash disk playing mode. LINE: AUX mode can be connected to a mobile phone or computer as a speaker to play. FCC Statement Tested to comply 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. Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: 1. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of he FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. 2. 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 with 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. To maintain compliance with FCC’s RF Exposure guidelines, This equipment should be installed and operated with minimum distance between 20cm the radiator your body: Use only the supplied antenna.

GOKA TECHNOLOGY CO.,LIMITED Agent Authorization Letter PHOENIX TESTLAB GmbH Date: 29 December 2022 Product Certification Königswinkel 10 D 32825 Blomberg RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park Sanwei, Xixiang, Bao'an District, Shenzhen, Guangdong, China Alex.li [email protected] 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, MARTIN LIANG / manager Date/City: 12/29/2022/ FOSHAN Phone: 15626188369 Fax: N/A E-mail: [email protected]

GOKA TECHNOLOGY CO.,LIMITED Family models declaration letter. 12/27/2022 We Company: GOKA TECHNOLOGY CO.,LIMITED Address: NO.5,HENGYI ROAD,DABU INDUSTRIAL ZONE, LISHUI TOWN, NANHAI DISTRICT, FOSHAN,PRC Model Name: BS02 Family Model: BS01/BS03/BS04/BS05/BS06/BS07/BS08/ BS09/BS10/BS11/BS12/BS13/BS14/BS15/ BS16/BS17/BS18/BS19/BS20/BS21/BS22/ BS23/BS24/BS25/BS26/BS27/BS28/BS29/ BS30/BS31/BS32/BS33/BS34/BS35/BS36/ BS37/BS38/BS39/BS40/BS41/BS42/BS43/ BS44/BS45/BS46/BS47/BS48/BS49/BS50 All models are the same circuit and RF module, except the appearance, color, adapter and structure. Thanks Sincerely, Signature [Name] MARTIN LIANG [Title] manager GOKA TECHNOLOGY CO.,LIMITED

GOKA TECHNOLOGY CO.,LIMITED Long/Short-term Confidentiality Request PHOENIX TESTLAB GmbH Date:05 January 2023 Product Certification Königswinkel 10 D 32825 Blomberg FCC ID: 2A9E9-GK-BS02 To Whom It May Concerns, Pursuant to sections 0.457(d) and 0.459 of CFR 47 and to avoid premature release of sensitive information prior to marketing or release of the product to the public, we hereby request long-term confidential treatment of information accompanying this application as outlined below: √Schematics ☐ Parts List √ Block Diagram ☐ Tune-Up Info √Operational Description In addition we hereby request the following exhibits contained in this application to be temporarily (short-term confidentiality) withheld from the public disclosure ☐foran initial period of 180 days ☐ until: ☐ not applicable √ External Photos √ Test Setup Photos √ Internal Photos √Users Manual 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 rule 0.457(d), disclosure of this application and all accompanying documentation will not be made before the date of the GRANT for this application. If you have any questions, please feel free to contact me. Yours sincerely, Signatory Printed Name: MARTIN LIANG Position: manager

GOKA TECHNOLOGY CO.,LIMITED Date: December 29, 2022 FCC ID: 2A9E9-GK-BS02 Model Number: BS02, BS01/BS03/BS04/BS05/BS06/BS07/BS08/ BS09/BS10/BS11/BS12/BS13/BS14/BS15/ BS16/BS17/BS18/BS19/BS20/BS21/BS22/ BS23/BS24/BS25/BS26/BS27/BS28/BS29/ BS30/BS31/BS32/BS33/BS34/BS35/BS36/ BS37/BS38/BS39/BS40/BS41/BS42/BS43/ BS44/BS45/BS46/BS47/BS48/BS49/BS50 To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We, GOKA TECHNOLOGY CO.,LIMITED declare that this EUT (FCC ID: 2A9E9-GK-BS02) will conduct FCC compliance testing, the SDOC part recognized test lab(Shenzhen NTEK Testing Technology Co., Ltd.( ShenZhen Lab.). 1/F, Building E, Fenda Science Park, Sanwei Community,Xixiang Street Bao’an District, Shenzhen 518126 P.R. China) Please contact me if you have any question. Sincerely, (Signed) Name / Title:MARTIN LIANG/ manager Company: GOKA TECHNOLOGY CO.,LIMITED Address: NO.5,HENGYI ROAD,DABU INDUSTRIAL ZONE, LISHUI TOWN, NANHAI DISTRICT, FOSHAN,PRC

External Photographs Photo 1 (BS02) Photo 2 Photo 3 Photo 4 Photo 5 Photo 6 Photo 7 Photo 8 Photo 9 Photo 10 Photo 11 Photo 12 (BS01) Photo 13 Photo 14 Photo 15 Photo 16 Photo 17 Photo 18 Photo 19 Photo 20 Photo 21 Photo 22

Internal Photographs Photo 1 (BS02) Photo 2 Photo 3 Photo 4 Photo 5 Photo 6 Photo 7 Photo 8 Photo 9 Photo 10 (BS01) BT ANT Photo 11 Photo 12 Photo 13 Photo 14 Photo 15 Photo 16 Photo 17 Photo 18 Photo 19 \ Photo 20 BT ANT Photo 21 Photo 22 Photo 23 Photo 24

FCC ID: 2A9E9-GK-BS02 RF EXPOSURE EVALUATION According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in §1.1307(b) Limits for Maximum Permissible Exposure (MPE) MPE Calculation Method E (V/m) ＝ d GP**30 Power Density: Pd (W/m²) ＝ 377 2 E E ＝ Electric field (V/m) P ＝ Average 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 *377 **30 D GP From the 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. Measurement Result Operation Frequency: BT: 2402-2480MHz Power density limited: 1mW/ cm 2 Antenna Type: PCB Antenna Antenna gain: -0.68 dBi, R=20cm conducted power Evaluation result Power density Limits (dBm)(mW)(dBi)Numeric 2402 -2.004-2±1-1 0.794-0.680.860.00011 2441 -0.556-1±10 1.000-0.680.860.00021 2480 -0.565-1±10 1.000-0.680.860.00021 2402 0.0270±11 1.259-0.680.860.00021 2441 0.050±11 1.259-0.680.860.00021 2480 0.0030±11 1.259-0.680.860.00021 2402 -0.868-1±10 1.000-0.680.860.00021 2440 -1.012-1±10 1.000-0.680.860.00021 2480 -0.703-1±10 1.000-0.680.860.00021 (mW/cm2 )(mW/cm2) Antenna Gain GFSK Max tune-up power Channel Freq. (MHz) modulation Tune-up power (dBm) (dBm) π/4-DQPSK GFSK-1M Conclusion: For the max result : 0.0002≤ 1.0 for Max Power Density, compliance RF exposure.. Signature: Date: 2022-12-23 NAME AND TITLE (Please print or type): Alex Li/Manager COMPANY (Please print or type): Shenzhen NTEK Testing Technology Co., Ltd./ 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street Bao’an District, Shenzhen P.R. China.

Inverted F Antenna Specification Summary CEPS TNA METI TNA G4.2 emaN ledoM lacitreV latnoziroH 24 00MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.73-0.84-0.68-6.15-3.70-2.32 86.0- niaG .XAM lacitreV dna latnoziroH noitaziraloP Azimuth Beam Pattern Omni-directional mhO 05 ecnadepmI mm02.83 htgneL annetnA Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain (dB) Frequency (MHz) MaxMinAvg 2400-1.73178-30.0815-8.48713 2450-0.845801-38.5605-7.88012 2500 -0.684586 -24.0318-6.79139 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) MaxMinAvg 2400-6.1530-24.1420-13.0295 2450-3.7054-26.5836-10.6700 2500-2.32122-30.4301-9.70536 ANT Test Labs：Attestation of Global Compliance Co., Ltd. Corporate Name GOKA TECHNOLOGY CO.,LIMITED AddressNo.5 Hengyi Road, Dabu Industrial Zone, Lishui Town, Nanhai District, Foshan, Guangdong, China

Report No.: S22111003301001 Version.1.3 Page 1 of 56 RADIO TEST REPORT FCC ID: 2A9E9-GK-BS02 Product: GK-BS02 Trade Mark: N/A Model No.: BS02 Family Model: BS01/BS03/BS04/BS05/BS06/BS07/BS08/ BS09/BS10/BS11/BS12/BS13/BS14/BS15/ BS16/BS17/BS18/BS19/BS20/BS21/BS22/ BS23/BS24/BS25/BS26/BS27/BS28/BS29/ BS30/BS31/BS32/BS33/BS34/BS35/BS36/ BS37/BS38/BS39/BS40/BS41/BS42/BS43/ BS44/BS45/BS46/BS47/BS48/BS49/BS50 Report No.: S22111003301001 Issue Date: Dec. 23, 2022 Prepared for GOKA TECHNOLOGY CO.,LIMITED NO.5,HENGYI ROAD,DABU INDUSTRIAL ZONE, LISHUI TOWN, NANHAI DISTRICT, FOSHAN,PRC Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street Bao’an District, Shenzhen 518126 P.R. China Tel. 400-800-6106, 0755-2320 0050, 0755-2320 0090 Website: http://www.ntek.org.cn Report No.: S22111003301001 Version.1.3 Page 2 of 56 TABLE OF CONTENTS 1 TEST RESULT CERTIFICATION ...................................................................................................................... 4 2 SUMMARY OF TEST RESULTS ......................................................................................................................... 5 3 FACILITIES AND ACCREDITATIONS ............................................................................................................. 6 3.1 FACILITIES..................................................................................................................................................... 6 3.2 LABORATORY ACCREDITATIONS AND LISTINGS ................................................................................. 6 3.3 MEASUREMENT UNCERTAINTY ............................................................................................................... 6 4 GENERAL DESCRIPTION OF EUT .................................................................................................................. 7 5 DESCRIPTION OF TEST MODES ..................................................................................................................... 9 6 SETUP OF EQUIPMENT UNDER TEST ......................................................................................................... 10 6.1 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ..................................................................... 10 6.2 SUPPORT EQUIPMENT ............................................................................................................................... 11 6.3 EQUIPMENTS LIST FOR ALL TEST ITEMS .............................................................................................. 12 7 TEST REQUIREMENTS .................................................................................................................................... 14 7.1 CONDUCTED EMISSIONS TEST ............................................................................................................... 14 7.1.1 Applicable Standard .................................................................................................................................. 14 7.1.2 Conformance Limit ................................................................................................................................... 14 7.1.3 Measuring Instruments ............................................................................................................................. 14 7.1.4 Test Configuration .................................................................................................................................... 14 7.1.5 Test Procedure ........................................................................................................................................... 14 7.1.6 Test Results ................................................................................................................................................ 15 7.2 RADIATED SPURIOUS EMISSION ............................................................................................................ 19 7.2.1 Applicable Standard .................................................................................................................................. 19 7.2.2 Conformance Limit ................................................................................................................................... 19 7.2.3 Measuring Instruments ............................................................................................................................. 20 7.2.4 Test Configuration .................................................................................................................................... 20 7.2.5 Test Procedure ........................................................................................................................................... 21 7.2.6 Test Results ................................................................................................................................................ 22 7.3 6DB BANDWIDTH ....................................................................................................................................... 33 7.3.1 Applicable Standard .................................................................................................................................. 33 7.3.2 Conformance Limit ................................................................................................................................... 33 7.3.3 Measuring Instruments ............................................................................................................................. 33 7.3.4 Test Setup .................................................................................................................................................. 33 7.3.5 Test Procedure ........................................................................................................................................... 33 7.3.6 Test Results ...........…

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Radiated Measurement Photos (BS02) Conducted Measurement Photos (BS02) Radiated Measurement Photos (BS01) Conducted Measurement Photos (BS01)