2ADK3AU057Wireless speaker

(Fold Inward) (Back Cover) (Front Cover) Instruction ManualParty Speaker Float READ CAREFULLY & KEEP THIS MANUAL WARNINGS • ALWAYS ENSURE THAT CHARGING PORT COVER IS FULLY SEALED BEFORE USING PRODUCT IN WATER. FAILURE TO SEAL THE CHARGING PORT WILL PERMANENTLY DAMAGE DEVICE. • Do not drop, apply excessive force to the controls, or put heavy objects on top of the speaker • Do not attempt to repair, disassemble, or modify the product• If the speaker is not in use for long periods, store in a cool, dry place, free from extreme temperatures, humidity and dust • Keep speaker away from heat sources IP67 WATERPROOF RATING This product is designed and tested to withstand submersion in water for up to 1 meter deep (3ft. 3”) for up to 30 minutes. SpeakerPlaying TimeWireless RangeBattery Charging TimeWaterproof Level 4 ohm 3W2-3 hours with light ring4-5 hours without light ring8 meters800 mAh li polymer3-4 hoursIP67 PRODUCT SPECIFICATIONS Getting Started Controls Installing & Uninstalling Speaker Compliance Information Warnings HOW TO USE:Charge product before use: 1. Open charging port cover.2. Plug the USB charging cable into the charging port on the speaker.3. Plug the other end into a USB power port, such as the power port on a computer, or into a 5V USB wall adapter (not included). 4. The LED indicator will turn RED while charging.5. Make sure charging port cover is fully sealed before using product. Using the Bluetooth ® Speaker: 1. To power on, hold until the blue light flashes.2. Make sure Bluetooth ® is enabled on your device. 3. On your device, select the pairing name “JUSTICE”. Using the LED Lights:Press and at the same time to switch between RGB modes. 1. Music Sync Mode: When playing audio, the LED light will sync with your music. 2. Color Changing Mode: The LED light will revolve between 6 colors.3. Light Off Mode: LED light is deactivated. TWS: Pairing 2 Speakers:You can create a True Wireless (TWS) pairing with 2 Justice speakers. 1. Place 2 Justice speakers near each other and power both on at the same time. 2. The speakers will pair automatically.3. Follow the Bluetooth ® pairing instructions to connect your device to the speaker pair. Note: Press the button 3 times to disconnect one speaker form the other. If you have previously paired your device to one speaker, you may need turn Bluetooth ® off while you pair with a second speaker. UNINSTALLING SPEAKERTo remove, (1) rotate speaker counterclockwise and (2) pull out of tube float speaker mount.INSTALLING SPEAKERTo install, (1) insert speaker onto speaker mount and (2) rotate clockwise to lock in place. 1. Volume - / Previous 2. Power / Pause 3. Volume + / Next 4. Charging Port Cover FUNCTIONS • Click the or button to skip to the previous or next track• Press and hold the or button to adjust the volume• Click the button to pause/play or to answer incoming calls. Press and hold to power off. 4 1 2 3 Justice trademarks, names and logos are trademarks of JUSTICE BRAND HOLDINGS LLC. ©2023. All rights reserved. Manufactured, marketed and distributed under license by Conquest Sport Group, LLC.Conquest Sport Group LLC, 5601 1st Ave. Brooklyn NY, 11220.For more information please email: [email protected] or call 1-877-768-8483 The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG,Inc. and any use of such marks by Conquest Sport Group is under license, a subsidiary of Southern Telecom Inc.Other trademarks and trade names are those of their respective owners. FCC InformationThis device complies with Part 15 of the FCC Rules. Caution: Any changes or modifications not expressly approved 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, pur- suant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmfulinterference 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 toradio 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 determinedby turning the equipment off and on, the user is encouraged to try to correct the interference by one or moreof 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.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.Radiation Exposure InformationThe device has been evaluated to meet general RF exposure requirement. The device can be used in por table e xposure condition without restriction.WARNING Li-ion Battery InsideThis product is fitted with a Li-ion battery. Do not damage, open, or dismantle the battery and do not use it in damp and/or corrosive conditions. Use only with compatible chargers. Never dispose of batteries in a fire, and never expose them to high temperatures. Do not expose the product to temperatures exceeding 60°C (140°F). Direct current symbol.This symbol signifies the product must not be discarded as household waste, and should be delivered to an appropriate collection facility for recycling. Proper disposal and recycling helps protect natural resource s, human health and the environment. This symbol signifies and declares that this equipment has battery charging which complies with C alifornia CEC and energy efficiency. This symbol s…

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XING DA INTERNATIONAL ELECTRONICS LIMITED Model Difference Data：2022.09.14 Product description: Wireless speaker Model name: 2831012WM， XY-AU057 Trade Name: Justice FCC ID: 2ADK3AU057 All the model are the same circuit and RF module, except model names . Regards Sincerely Client’s signature : Client’s name / title : Sam Shen（Sales） Contact information / address：#98 LiWu Swan Industrial District, Qiao Tou Town, Dong Guan, Guang Dong, China

XING DA INTERNATIONAL ELECTRONICS LIMITED (2022.09.14) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Wireless speaker / 2831012WM , XY- AU057/ FCC ID: 2ADK3AU057) 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 Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Name: Sam Shen Title: Sales

XING DA INTERNATIONAL ELECTRONICS LIMITED (2022.09.14) 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 CTB Testing 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, Signature: Name: Sam Shen Title: Sales

External Photos

Label Location Model No.: 2831012WM FCC ID: 2ADK3AU057 5V 1A Made in China Ref. No.: 10344WM 10/2022 Input: Model No.: 2831012WM FCC ID: 2ADK3AU057 5V 1A Made in China Ref. No.: 10344WM 10/2022 Input: 2MM 33.1MM 26.9MM 8.5MM 9MM 8.5MM8.5MM 2MM 丝印pink pantone magenta C

Internal Photos ANT .

Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.73 -0.84 -0.68 -6.15 -3.70 -2.32 MAX. Gain -0.68 Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm 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) Max Min Avg 2400 -1.73178 -30.0815 -8.48713 2450 -0.845801 -38.5605 -7.88012 2500 -0.685586 -24.0318 -6.79139 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 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.

Shenzhen CTB Testing Co., Ltd. FCC ID: 2ADK3AU057 Portable device According to §15.247(e)(i) and §1.1307(b)(1), 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 of the Commission’s guidelines. According to KDB447498 D01 General RF Exposure Guidance V06 The 1-g SAR and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)]·[√f(GHZ)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where: • f(GHZ) is the RF channel transmit frequency in GHz • Power and distance are rounded to the nearest mW and mm before calculation • The result is rounded to one decimal place for comparison When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. EDR: Modulation Channel Freq. (GHz) Conduct ed power (dBm) Conducte d power (mW) Tune-up power (dBm) Max tune-up power (dBm) Max tune-up power (mW) Distance (mm) Result calculatio n SAR Exclusion threshold SAR test exclusion 2.402 -1.328 0.74-1±10.001.00<50.309973.00YES 2.441 -1.382 0.73-1±10.001.00<50.312473.00YES 2.480 -1.147 0.77-1±10.001.00<50.314963.00YES 2.402 -0.512 0.890±11.001.26<50.390233.00YES 2.441 -0.589 0.870±11.001.26<50.393383.00YES 2.480 -0.415 0.910±11.001.26<50.396513.00YES 2.402 -0.119 0.970±11.001.26<50.390233.00YES 2.441 -0.182 0.960±11.001.26<50.393383.00YES 2.480 0.034 1.010±11.001.26<50.396513.00YES GFSK π /4DQPSK 8DQPSK Conclusion: For the max result : 0.39651≤ FCC Limit 3.0 for 1g SAR.

Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220905011RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 58 TEST REPORT Compiled by: Reviewed by: Approved by: Chen Zheng Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: Wireless speaker FCC ID: 2ADK3AU057 Trademark: Justice Model Number: 2831012WM, XY-AU057 Prepared For: XING DA INTERNATIONAL ELECTRONICS LIMITED Address: #98 LiWu Swan Industrial District, Qiao Tou Town, Dong Guan, Guang Dong, China Manufacturer: DongGuan XingYue Electronic Co., LTD. Address: #98 LiWu Swan Industrial District, Qiao Tou Town, Dong Guan, Guang Dong, China Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: Floor 1&2, Building A, No. 26 of Xinhe Road, Xinqiao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China. Sample Received Date: Aug. 29, 2022 Sample tested Date: Aug. 29, 2022 to Sep. 05, 2022 Issue Date: Sep. 05, 2022 Report No.: CTB220905011RFX Test Standards FCC Part15.247 ANSI C63.10:2013 Test Results PASS Remark: This is Bluetooth radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220905011RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 58 TABLE OF CONTENT Test Report Declaration Page 1. VERSION .......................................................................... 4 2. TEST SUMMARY ................................................................... 5 3. MEASUREMENT UNCERTAINTY ..................................................... 6 4. PRODUCT INFORMATION AND TEST SETUP .......................................... 7 4.1 Product Information .................................................................... 7 4.2 Test Setup Configuration ............................................................... 7 4.3 Support Equipment .................................................................... 7 4.4 Channel List .......................................................................... 8 4.5 Test Mode ............................................................................ 8 4.6 Test Environment ...................................................................... 8 5. TEST FACILITY AND TEST INSTRUMENT USED ....................................... 9 5.1 Test Facility ........................................................................... 9 5.2 Test Instrument Used .................................................................. 9 6. AC POWER LINE CONDUCTED EMISSION ............................................. 11 6.1 Block Diagram Of Test Setup .......................................................... 11 6.2 Limit ................................................................................ 11 6.3 Test procedure ....................................................................... 11 6.4 Test Result .......................................................................... 13 7. RADIATED SPURIOUS EMISSION ................................................... 15 7.1 Block Diagram Of Test Setup .......................................................... 15 7.2 Limit ................................................................................ 15 7.3 Test procedure ....................................................................... 16 7.4 Test Result .......................................................................... 17 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS .......................... 26 8.1 Block Diagram Of Test Setup .......................................................... 26 8.2 Limit ................................................................................ 26 8.3 Test procedure ....................................................................... 26 8.4 Test Result .......................................................................... 27 9. COUDUCTED PEAK OUTPUT POWER ............................................... 34 9.1 Block Diagram Of Test Setup .......................................................... 34 9.2 Limit ................................................................................ 34 9.3 Test procedure ....................................................................... 34 9.4 Test Result .......................................................................... 35 10. 20DB OCCUPIED BANDWIDTH...................................................... 39 10.1 Block Diagram Of Test Setup ......................................................... 39 10.2 Limit ............................................................................... 39 10.3 Test procedure ...................................................................... 39 10.4 Test Result ......................................................................... 39 11. CARRIERFREQUENCIES SEPARATION .............................................. 43 11.1 Block Diagram Of Test Setup ......................................................... 43 11.2 Limit ............................................................................... 43 11.3 Test procedure ...................................................................... 43 11.4 Test Result ......................................................................... 43 12. HOPPING CHANNEL NUMBER ...................................................... 47 12.1 Block Diagram Of Test Setup ......................................................... 47 12.2…

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Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220905011RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 31 of 58 RF Conducted Spurious Emissions Graphs GFSK/LCH GFSK/MCH GFSK/HCH Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220905011RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 32 of 58 π/4DQPSK /LCH π/4DQPSK/MCH π/4DQPSK/HCH Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220905011RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 33 of 58 8DPSK /LCH 8DPSK /MCH 8DPSK /HCH Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220905011RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 34 of 58 9. COUDUCTED PEAK OUTPUT POWER 9.1 Block Diagram Of Test Setup 9.2 Limit For frequency hopping systems operating in the 2400-2483.5 MHz band employing at least 75 non-overlapping hopping channels, and all frequency hopping systems in the 5725-5850 MHz band: 1 watt. For all other frequency hopping systems in the 2400-2483.5 MHz band: 0.125 watts. 9.3 Test procedure 1. Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the spectrum. 2. Set the spectrum analyzer: RBW = 2MHz. VBW = 6 MHz. Sweep = auto; Detector Function = Peak. 3. Keep the EUT in transmitting at lowest, middle and highest channel individually. Record the max value. EUT Radio Test System Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220905011RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 35 of 58 9.4 Test Result Mode Channel. Maximum Peak Output Power [dBm] Verdict EDR mode (GFSK) LCH -1.328 PASS MCH -1.382 PASS HCH -1.147 PASS EDR mode (π/4DQPSK) LCH -0.512 PASS MCH -0.589 PASS HCH -0.415 PASS EDR mode (8DPSK) LCH -0.119 PASS MCH -0.182 PASS HCH 0.034 PASS Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220905011RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 36 of 58 Test Graph: Graphs GFSK/LCH GFSK/MCH GFSK/HCH Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220905011RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 37 of 58 π/4DQPSK/LCH π/4DQPSK/MCH π/4DQPSK/HCH Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220905011RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 38 of 58 8DPSK/LCH 8DPSK /MCH 8DPSK /HCH Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220905011RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 39 of 58 10. 20DB OCCUPIED BANDWIDTH 10.1 Block Diagram Of Test Setup 10.2 Limit Alternatively, frequency hopping systems operating in the 2400-2483.5MHz band may have hopping channel carrier frequencies that are separated by 25kHz or two-thirds of the 20dB bandwidth of the hopping channel, whichever is greater, provided the systems operate with an output power no greater than 125nw. 10.3 Test procedure 1. Rem1. Set RBW = 30 kHz. 2. Set the video bandwidth (VBW) ≥ 3 x RBW. 3. Detector = Peak. 4. Trace mode = max hold. 5. Sweep = auto couple. 6. Allow the trace to stabilize. 7. Measure the maximum width of the emission that is constrained by the frequencies associated with the two outermost amplitude points (upper and lower frequencies) that are attenuated by 6 dB relative to the maximum level measured in the fundamental emission. 10.4 Test Result Test Mode Frequency 20dB Bandwidth (MHz) Result GFSK Low channel 0.863 PASS Mid channel 0.876 PASS High channel 0.879 PASS π/4DQPSK Low channel 1.273 PASS Mid channel 1.266 PASS High channel 1.283 PASS 8DPSK Low channel 1.299 PASS Mid channel 1.299 PASS High channel 1.288 PASS Note: All modes of operation were Pre-scan and the worst-case emissions are reported. EUT Radio Test System Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220905011RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 40 of 58 Test Graph: GFSK Low channel GFSK Mid channel GFSK High channel Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220905011RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 41 of 58 π/4-DQPSK Low channel π/4-DQPSK Mid channel π/4-DQPSK High channel Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220905011RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 42 of 58 8DPSK Low channel 8DPSK Mid channel 8DPSK High channel Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220905011RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 43 of 58 11. CARRIERFREQUENCIES SEPARATION 11.1 Block Diagram Of Test Setup 11.2 Limit Frequency hopping systems shall have hopping channel carrier frequencies separated by a minimum of 25 kHz or the 20 dB bandwidth of the hopping channel, whichever is greater. Alternatively, frequency hopping systems operating in the 2400-2483.5 MHz band may have hopping channel carrier frequencies that are separated by 25 kHz or two-thirds of the 20 dB bandwidth of the hopping channel, whichever is greater, provided the systems operate with an output power no greater than 0.125W. 11.3 Test procedure 1. Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the spectrum. 2. Set the spectrum analyzer: RBW = 30kHz. VBW = 100kHz , Span = 2MHz. Sweep = auto; Detector Function = Peak. Trace = Max hold. 3. Allow the trace to stabilize. Use the marker-delta function to determine the separation between the peaks of the adjacent channels. The limit is specified in one of the subparagraphs of this Section Submit this plot. 11.4 Test Result Mode Channel. Carrier Frequency Separation [MHz] Limit(2/3 of the 20dB bandwidth MHz) Verdict GFSK LCH 1.000 0.575 PASS GFSK MCH 1.002 0.584 PASS GFSK HCH 1.002 0.586 PASS π/4DQPSK LCH 1.002 0.849 PASS π/4DQPSK MCH 1.002 0.844 PASS π/4DQPSK HCH 1.002 0.855 PASS 8DPSK LCH 1.002 0.866 PASS 8DPSK MCH 1.002 0.866 PASS 8DPSK HCH 1.000 0.859 PASS EUT Radio Test System Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220905011RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 44 of 58 Test Graph Graphs GFSK…

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Radiated Emission Below 1G Above 1GHz Conducted Emission