2A9J2MS-177Wave Wireless Speaker System

• User’s Guide • MicroUSB to USB charging cable • Aux cable (3.5mm cable) Features Wave Wireless Speaker System User’s Guide for Model ISB273B v3045 • Bluetooth wireless - range 60 ft. • Party +: Connect to another ISB273 speaker • Voice prompts announce speaker functions • LED light effects • Bass Boost • Microphone Input • 3.5mm Aux in • MicroSD card slot • USB port – supports MP3 file format • Carry handle • Built-in rechargeable battery • Battery life: approx. 5 hours at 50% Controls and Functions 11 7 9108 6 54 32 1. Lights: Press to cycle through LED light effects. Press and hold 5 seconds to turn Voice Prompts on/off. 2. Mode/Bluetooth: Press to switch between Bluetooth, Aux, USB, and MicroSD. Press and hold for 3 seconds to activate Party + Mode. 3. Vol -/Previous: Press to decrease volume. Press and hold to return to previous track. 4. Play/Pause: Press to play or pause tracks. Press and hold for 3 seconds to disconnect Bluetooth. 5. Vol +/Next: Press to increase volume. Press and hold to skip to next track. 6. Bass: Press to turn Bass Boost feature on/off. 13 Top Controls Back Inputs Bluetooth Wireless Pairing & Playing Audio 1. When powered on, the speaker will enter Bluetooth Mode automatically. If you are playing from a different source, press the Mode button to select Bluetooth Mode. 2. Using the Bluetooth setting on your device, search for new devices and select ISB273. Refer to the user’s manual for your specific device for instructions on pairing and connecting Bluetooth devices. 3. When successfully paired, a voice prompt will announce the connection. 4. Use the controls on the connected device to select and begin playing audio. Use the controls on the speaker or the connected device to play, pause, and adjust volume. Note: The speaker will automatically connect to the last paired device when powering on. If your device becomes unpaired or it is unable to connect, press and hold the Play/Pause/Pair button for 3 seconds to enter pairing mode. A voice prompt will announce “Bluetooth is connecting” start from step two to connect to your device. Charging the Battery To power the unit or charge the internal battery, connect the DC Power Input on the speaker to a powered-on computer or standard power outlet using an UL certified AC/DC power adapter (not included). After charging, unplug charging cable from the speaker. You can play music and operate the speaker normally during charging. Party + Mode Pair two ISB273 speakers wirelessly to double the audio from your Bluetooth device. 1. After powering on, press and hold the Mode button for 3 seconds to enter Party + mode. When connected, you will hear a notification sound. 2. Using the Bluetooth setting on your device, search for new devices and select ISB273. 3. To exit Party + Mode, press and hold the Mode button for 3 seconds on either speaker. Note: When powered off while paired, the two speakers will reconnect again after powering on. Includes Overview 1 7. Power On/Off 8. Aux In (3.5mm Input). 9. MicroSD Card Slot 10. USB Port 11. Microphone Input 12. LED Charging Indicator 13. DC Power Input: Use to charge the internal battery and power the speaker. Charge time is approximately 4 hours. 12 ISB273_IB_draft_1312023.indd 1ISB273_IB_draft_1312023.indd 131/1/2023 9:19:4431/1/2023 9:19:44 To download this User’s Guide in English, Spanish, or French, or to get answers to frequently asked questions, visit the support section at: www.iLiveElectronics.com Para descargar este Manual del Usuario en inglés, español y francés, o para obtener respuestas a preguntas frecuentes, visite la sección de apoyo en: www.iLiveElectronics.com Pour télécharger ce guide de l’utilisateur en anglais, espagnol ou français, ou pour obtenir des réponses à des questions fréquemment posées, consultez la rubrique d’assistance sur: www.iLiveElectronics.com For Warranty Information and the most up-to-date version of this User’s Guide, go to www.iLiveElectronics.com Customer Service: 1-888-999-4215 | Email Support: [email protected] | Email Parts: [email protected] Copyright © 2023 Digital Products International (DPI, Inc.) All other trademarks appearing herein are the property of their respective owners. Specifications are subject to change without notice. Customer Support Protect for Today Sustain for Tomorrow Made Green Aux In Requires a 3.5mm audio cable (included). 1. Connect a 3.5mm audio cable to the Aux In on the speaker and the audio output/headphone jack on an audio device. 2. The speaker will automatically to switch to Aux in mode. 3. Use the controls on the connected device to select and play audio. Using a Microphone To use a microphone (not included), plug one end of a microphone cable into your microphone and plug the other end of the cable into the Microphone Input. To detach the microphone, turn down the speaker volume and unplug the microphone cable from the speaker, then detach the microphone from the cable. Important Safety Instructions • Read these Instructions. • Keep these Instructions. • Heed all Warnings. • Follow all instructions. • Do not use this apparatus near water. • Clean only with a dry cloth. • Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. • Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. • Do not defeat the safety purpose of the polarized or grounding - type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. When the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. • Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. • Only use attachments/accessories specified by the manuf…

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SHENZHEN ZHONGHENGHUA TECHNOLOGY CO.,LTD Model Difference Data：2023.01.30 Product description: Wave Wireless Speaker System Model name: ISB273B, MS-177 Trade Name: N/A FCC ID: 2A9J2MS-177 All the model are the same circuit and RF module, except model names . Regards Sincerely Client’s signature : Client’s name / title : Cary Ye（Sales Assistant） Contact information / address：Room 2706, Chuanghui Building,Wuhe Community,Longgang District, Shenzhen, China

SHENZHEN ZHONGHENGHUA TECHNOLOGY CO.,LTD (2023.01.30) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Wave Wireless Speaker System / ISB273B, MS-177 / FCC ID: 2A9J2MS-177 ) 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: Cary Ye Title: Sales Assistant

SHENZHEN ZHONGHENGHUA TECHNOLOGY CO.,LTD (2023.01.30) 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: Cary Ye Title: Sales Assistant

External Photos

FCC ID LABEL: Label Location: FCC ID: 2A9J2MS-177 Model No.: ISB273B 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.

Internal Photos ANT

Shenzhen CTB Testing Co., Ltd. FCC ID: 2A9J2MS-177 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 2.743 1.88 2±1 3.00 2.00 <5 0.61847 3.00 YES 2.441 3.491 2.23 3±1 4.00 2.51 <5 0.78490 3.00 YES 2.480 2.806 1.91 2±1 3.00 2.00 <5 0.62843 3.00 YES 2.402 3.489 2.23 3±1 4.00 2.51 <5 0.77860 3.00 YES 2.441 4.219 2.64 4±1 5.00 3.16 <5 0.98813 3.00 YES 2.480 3.429 2.20 3±1 4.00 2.51 <5 0.79114 3.00 YES GFSK π /4DQPSK BLE: 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 2.878 1.94 2±1 3.00 2.00 <5 0.61847 3.00 YES 2.44 3.676 2.33 3±1 4.00 2.51 <5 0.78474 3.00 YES 2.480 3.002 2.00 3±1 4.00 2.51 <5 0.79114 3.00 YES GFSK Conclusion: For the max result : 0.98813≤ FCC Limit 3.0 for 1g SAR.

V . S .W . R < 1.4 Polarization Type V ertical & Horizontal Frequenc Range2400 ~ 2500GHz Input Impendence(ohm)50 Efficiency (dB) 6 0.2 % 6 0.2 %-3.6 1.051.2 Maximum Power (dBm)1.7 (XY-plane) Gain (dBi)1.2 (Avg Gain XY-plane) Peak EIRP(dBm)1.2 Tot. Rad. Pwr. (dBm)-1.2 (Input pwr – loss pwr) Product specification Quick Re ference Date Antenna modul e on the system board Ant. Port Input Pwr. (dBm)0 (Typ. BT class 2 output power) Directivity (dBi)1 (all dire ction antenna) Minimum Power (dBm) -4(XY-plane) Avg. Power (dBm)-0.5(XY-plane) All the technical data and information contained herein are subject to change without prior notice Antenna Layout & module on the system board Antenna Gain Gain Table Unit in dBi @2.44GHzXY- planeXZ-planeYZ-plane Efficiency Peak Avg. Peak Avg. Peak Avg. Module Board -0.51.1-3.0 Return Loss The Environment of Antenna Radiation Pattern 3D radiation pattern diagram XY -planeXZ-planeYZ-plane

Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB221130005RFX Report Tel: 4008-707-283Web: http://www.ctb-lab.net Page 1 of 53 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: Wave Wireless Speaker System FCC ID: 2A9J2MS-177 Trademark: N/A Model Number: ISB273B, MS-177 Prepared For: SHENZHEN ZHONGHENGHUA TECHNOLOGY CO., LTD Address: Room 2706, Chuanghui Building, Wuhe Community, Longgang District, Shenzhen, China Manufacturer: SHENZHEN ZHONGHENGHUA TECHNOLOGY CO., LTD Address: Room 2706, Chuanghui Building, Wuhe Community, Longgang District, Shenzhen, China Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Nov. 24, 2022 Sample tested Date: Nov. 24, 2022 to Nov. 30, 2022 Issue Date: Nov. 30, 2022 Report No.: CTB221130005RFX 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.: CTB221130005RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 53 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 ............................................... 32 9.1 Block Diagram Of Test Setup .......................................................... 32 9.2 Limit ................................................................................ 32 9.3 Test procedure ....................................................................... 32 9.4 Test Result .......................................................................... 33 10. 20DB OCCUPIED BANDWIDTH...................................................... 36 10.1 Block Diagram Of Test Setup ......................................................... 36 10.2 Limit ............................................................................... 36 10.3 Test procedure ...................................................................... 36 10.4 Test Result ......................................................................... 36 11. CARRIERFREQUENCIES SEPARATION .............................................. 39 11.1 Block Diagram Of Test Setup ......................................................... 39 11.2 Limit ............................................................................... 39 11.3 Test procedure ...................................................................... 39 11.4 Test Result ......................................................................... 39 12. HOPPING CHANNEL NUMBER ...................................................... 42 12.1 Block Diagram Of Test Setup ......................................................... 42 12.2 L…

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Radiated Emission Below 1G Above 1G Conducted emissions