LMZ-PS929SPEAKER SYSTEM

Trademarks The Bluetooth® word mark and logos are register ed trademarks owned by Bluetooth SIG,. Inc. EN Important safety instructions CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN Please, read these safety instructions and respect the following warnings before the appliance is operated: ash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the cient magnitude as to constitute a risk of electric shock to persons. 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 lit erature accompanying the appliance. Use only power supply listed in the user manual. This symbol means that the product should be disposed of in an environmentally friendly manner and not with general household waste. AC voltage DC voltage Class II equipment For indoor use only ciency marking with level VI Polarity of d.c . power connector re always keep candles and other open ames away from this product. Warning: • Always follow basic safet y precautions when using this applience, espe- cially when children are present. • Children should be supervised to ensure that they do not play with the appliance. • Do not damage the power cord, neither do not place any heavy objects on it, do not strech it or bend it. Also do not attach extension cables. re or electric shock. • If the supply cord is damaged, it must be replaced by the manufacturer , a service agent or similarly qualied persons in order to avoid a hazard. • Ensure that the unit is plugged into an AC 220-240V 50Hz power outlet. re catching. • t into your outlet, do not force the plug into t. • the unit before unplugging it from power source to completely . • Do not disconnect or connect the power cord with wet hands. I t may cause an electric shock. • NOTE: To disconnect the syst em completely if it not to be used for a long time, r emove the AC power plug from the wall outlet. • Ensure that the mains plug is always easily accessible. • This product does not contain any parts that are serviceable by the user. I n case of a fault, contact the manufacturer or authorised service department. Exposing the internal parts inside the device may endanger your life. The manufacturers guarantee does not extend to faults caused by repairs carried out by unauthorised third parties. • Do not use this product immediately after unpacking. Wait until it warms up to room temperature before using it. • Ensure this product is used in moderate climates only (not in tropical/ subtropical climates). • at, stable surface that is not subject to vibrations. • Ensure the product and its parts is not overhanging the edge of the supporting furniture. • To reduce the risk of fire, electric shock or damage to this product, do not expose it to direct sunlight, dust, rain and moisture. Never expose it to dripping or splashing and do not place objects filled with liquids on or near the product. • lled with liquids, such as vases, on the apparatus. • Do not install near any heat sources such as radiators, heat registers, ers) that produce heat. • Do not place the product where the humidity is high and ventilation is poor. • Don’t mount this product on a wall or ceiling. • Do not place the unit near TVs, speakers and other objects that generate elds. • Do not leave the unit unattended when it is in use. • Allow at least 30 cm clearance from the rear and the top of the unit and 5 cm from each side. Do not block any ventilation openings of this product. Always ensure that the ventilation openings are not cover ed with items such as newspapers, table-cloths, curtains, etc. • NEVER let anyone, especially children, push anything into holes, slots or any other openings in the unit’s casing as this could result in a fatal electric shock. • St orms are dangerous for all electric appliances. I f the mains or aerial wiring is struck by lightning, the appliance might get damaged, even if it . You should disconnect all the cables and connectors of the appliance before a storm. Maintenance • Unplug the power cable from the power source before cleaning the appliance. • Use a soft and clean rag to clean the outside of the unit. Never clean it with chemicals or deter gent. Power Adapter • To disconnect the unit from the mains supply, unplug the lead from the mains socket. • Only use the supplied mains adaptor as failure to do this may result in a safet y risk and/or damage to the unit. Built-in Battery Care • Your product is power ed by a built-in rechargeable battery. • The battery can be charged and discharged hundreds of times, but will eventually wear out. • Unplug the charger from the electrical plug and the product when not in use. • Do not leave a fully charged battery connected to a charger, since over charging may shorten its lifetime. • If left unused, a fully charged battery will lose its charge over time. • Leaving the product in hot or cold places, such as in a closed car in the summer and winter conditions, will reduce the capacity and life time of the battery. • Always try to keep your device in a cool, moisture-free environment that's less than 32°C. • A product with a hot or cold battery may not work temporarily, even when the battery is fully charged. Battery performance is particularly limited in temperatures well below freezing. 4 • If you plan to store your device for longer than six months, charge the battery to 50% every six months to keep it fresh. Store the device at temperatures between 5 °C and 20 °C. Battery warning! • re or chemical burn if mistreated. • Do not attempt to open the product or replace the battery. I t is built-in re or explosion and the warranty will be terminated. • Dispose of batteries according to local regulations. Please recycle when re as they may explode. • Batteries may explode if damaged. • Charging the battery using supplied charger or under the charging ed in u…

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Ocean Star Electronics Ltd. Agent Authorization Letter 2022-06-13 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (The Hong Kong Standards and Testing Centre Limited) 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, Print name: Jacky Chan Title: Product Manager Signature:

Ocean Star Electronics Ltd. Long Term Confidentiality Request Letter Date: 2022-06-13 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: SPEAKER SYSTEM MODEL: PS-929 FCC ID: LMZ-PS929 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/PCB /operational description ) required to be submitted with this application be permanently withheld from public review. The above documents are company proprietary information that could never get into the possession of your competition. Please contact me if there is any information you may need. Sincerely, Print name: Jacky Chan Title: Product Manager Signature:

1 External Photo FCC ID: LMZ-PS929 IC: 10306A-PS929 View of The Product View of The Product 2 View of The Product View of The Product 3 View of The Product View of The Product 4 View of The Product View of The Product

(15-June-2022) Lot numberSR26600 20600001 Serial no. label: 20600001 - 20601184 USA 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. IC: 10306A-PS929 CAN ICES-3(B)/NMB-3(B) FCC ID: LMZ-PS929 5023857

1 Internal Photo FCC ID: LMZ-PS929 IC: 10306A-PS929 Inner View of the EUT Inner View of adapter 2 Inner circuit top view Inner circuit top view BT Antenna 3 Inner circuit top view Inner circuit top view 4 Inner circuit view of battery

AC6921A Datasheet AC6921A Datasheet Zhuhai Jieli Technology Co.,LTD Version：V1.0 Date：2018.04.20 Copyright © Zhuhai Jieli Technology Co.,LTD. All rights reserved. AC6921A Datasheet 2 Confidential The information contained herein is the exclusive property of JIELI and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of JIELI. AC6921A Features High performance 32-bit RISC CPU RISC 32-bit CPU DC-160MHz operation Support DSP instructions 64Vectored interrupts 4 Levels interrupt priority Flexible I/O 33 GPIO pins All GPIO pins can be programmable as input or output individually All GPIO pins are internal pull-up/pull-down selectable individually CMOS/TTL level Schmitt triggered input External wake up/interrupt on all GPIOs Peripheral Feature One full speed USB 2.0 OTG controller One audio interface supports IIS, left adjusted, right adjusted and DSP mode Four multi-function 16-bit timers, support capture and PWM mode Three 16-bit PWM generator for motor driving One 16-bit active parallel port One full-duplex basic UART Two full-duplex advanced UART Three SPI interface supports host and device mode Two SD Card Host controller One IIC interface supports host and device mode One SPDIF receiving interface without analog amplify One Quadrate decoder Watchdog 2 Crystal Oscillator 16-bit Stereo DAC with headphone amplifier, SNR >= 95dB 1 channel ADC , SNR >= 90dB 1 channel MIC amplifier 2 channels Stereo analog MUX 14 channels 10-bit ADC 2 channels 8 levels Low Voltage Detector Power-on reset Embedded PMU support low power mode Bluetooth Feature CMOS single-chip fully-integrated radio and baseband Compliant with Bluetooth V5.0+BR+EDR+BLE specification AC6921A Datasheet 3 Confidential The information contained herein is the exclusive property of JIELI and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of JIELI. Bluetooth Piconet and Scatternet support Meet class2 and class3 transmitting power requirement Support GFSK and π/4 DQPSK all paket types Provides +2dbm transmitting power receiver with -89dBm sensitivity Support a2dp\avctp\avdtp\avrcp\hfp\spp\smp\att\gap\gatt\rfcomm\sdp\l2cap profile FM Tuner Support worldwide frequency band 76-108MHz Fully integrated digital low-IF tuner & frequency synthesizer Autonomous search tuning Digital auto gain control (AGC) Digital adaptive noise cancellation Programmable de-emphasis (50/75 uS) Receive signal strength indicator (RSSI) Radio search in multi-channel simultaneously Digital volume control Power Supply VBAT is 2.2V to 5.5V VDDIO is 2.2V to 3.6V RTCVDD is 2.2V to 3.6V Packages LQFP48(7mm*7mm) Temperature Operating temperature: -20 to +70 °C°C Storage temperature: -65 to +150°C°C AC6921A Datasheet 4 Confidential The information contained herein is the exclusive property of JIELI and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of JIELI. 1、Pin Definition 1.1 Pin Assignment Figure 1-1 AC6921A_LQFP48 Package Diagram AC6921A Datasheet 5 Confidential The information contained herein is the exclusive property of JIELI and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of JIELI. 1.2 Pin Description Table 1-1 AC6921A_LQFP48 Pin Description PIN NO. Name I/O Type High Drive (mA) Function Other Function 1 PB0 I/O 8 GPIO CLKOUT0： UART1TXA：Uart1 Data Out(A); SPI2CLKA：SPI2 Clock(A); SD1DAT0B：SD1 Data0(B); ALNK_SCLKB：Audio Link Serial Clock (B); SD0DAT3B：SD0 Data3(B); ADC6：ADC Input Channel 6; Touch0：Touch Input Channel 0; 2 VSSIO P / Ground 3 VBAT P / LDO Power 4 RTCVDD P / RTC Power 3.3v 5 PR1 I/O 10 RTCIO1 (output 0V) RESET1： ADC12：ADC Input Channel 12; 6 PR2 I/O 10 RTCIO2 (pull up) RESET2： ADC12：ADC Input Channel 12; 7 PR3 I/O 10 RTCIO3 (pull up) RESET3： 8 PR0 I/O 10 RTCIO0 RESET0： OSCO_32K 9 BT_AVDD P / BT Power 1.3v 10 BT_RF P / 11 FMIP I / 12 VSSIO P / Ground 13 BT_OSCI I / BT OSC In 14 BT_OSCO O / BT OSC Out 15 PC5 I/O 24 GPIO SD1CLKA：SD1 Clock(A); SPI1DOB：SPI1 Data Out(B); UART2RXD：Uart2 Data In(B); IIC_SDA_B：IIC SDA(B); COM0：LCD COM Output 0; SEG21：LCD SEG Output21; 16 PC4 I/O 24 GPIO SD1CMDA：SD1 Command(A); SPI1CLKB：SPI1 Clock(B); AC6921A Datasheet 6 Confidential The information contained herein is the exclusive property of JIELI and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of JIELI. UART2TXD：Uart2 Data Out(B); IIC_SCL_B：IIC SCL(B); COM1：LCD COM Output 1; SEG20：LCD SEG Output20; 17 PC3 I/O 24 GPIO SD1DAT0A：SD1 Data0(A); SPI1DIB：SPI1 Data In(B); UART0RXC：Uart0 Data In(C); TMR3：Timer3 Clock Input; COM2：LCD COM Output 2; SEG19：LCD SEG Output19; ADC10：ADC Input Channel 10; 18 PA13 I/O GPIO ALNK_DAT2A：Audio Link Data2(A); SEG13：LCD SEG Output13; 19 PC2 I/O 24 GPIO IIC_SDA_C：IIC SDA(C); UART0TXC：Uart0 Data Out(C); COM3：LCD COM Output 3; SEG18：LCD SEG Output18; 20 PA12 I/O 24 GPIO CAP2：Timer2 Capture; ALNK_DAT1A：Audio Link Data1(A); SEG12：LCD SEG Output12; 21 PC1 I/O 24 GPIO IIC_SCL_C：IIC SCL(C); SD1DAT2A：SD1 Data2(A); UART1RXB：Uart1 Data In(B); COM4：LCD COM Output 4; SEG17：LCD SEG Output17; 22 PC0 I/O 24 GPIO SD1DAT3A：SD1 Data3(A); UART1TXB：Uart1 Data Out(B); COM5：LCD COM Output 5; SEG16：LCD SEG Output16; 23 USBDM I/O 4 USB Negative Data (pull down) UART1RXD：Uart1 Data In(D); SPI2DOB：SPI2 Data Out(B); IIC_SDA_A：IIC SDA(A); ADC11：ADC Input Channel 11; 24 USBDP I/O 4 USB Positive Data (pull down) UART1TXD：Uart1 Data Out(D); SPI2CLKB：SPI2 Clock(B); IIC_SCL_A：IIC SCL(A); 25 PA11 I/O 24 GPIO TMR1：Timer1 Clock Input; ALNK_DAT0A：Audio Link Data0(A); SPI2DIB：SPI2 Data In(B); SEG11：LCD SEG Output11; Touch7：Touch Input Channel 7; 26 PA10 I/O 24 GPIO SD0DAT1A：SPI0 Data1(A); BT_FREQ： AC6921A Datasheet 7 Confidential The information contained herein is the exclusive property of JIELI and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of…

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Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dB 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 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

RF Exposure Test Requirement: FCC 47CFR 15.247(i) FCC ID: LMZ-PS929 Test Date: 2022-07-12 Mode of Operation: BT Tx mode Requirements: In 15.247(i), an equipment shall be operated in a manner that ensures that the public is not exposed to radio frequency energy levels in excess of the limits in §§ 1.1310 and 2.1093 of this chapter. Applications to the Commission for construction permits, licenses to transmit or renewals thereof, equipment authorizations or modifications in existing facilities must contain a statement confirming compliance with the limits unless the facility, operation, or transmitter is categorically excluded, as discussed below. Technical information showing the basis for this statement must be submitted to the Commission upon request. According to KDB447498 D04 General RF Exposure Guidance v01, Appendix B Exemptions for Single RF Sources, B.3 MPE-based Exemption Test Result of BT Tx mode: PASS RF Exposure Evaluation The Maximum ERP = 1.002mW (at frequency = 2.480 GHz ) SAR Test Exclusion Thresholds=768mW, The test separation distances is 20 cm

Test Report Date : 2022-07-12 Page 1 of 68 No. : HMD22050010 The Hong Kong Standards and Testing Centre Limited 10 Dai Wang Street, Taipo Industrial Estate, Tai Po, N.T., Hong Kong Tel: +852 2666 1888 Fax: +852 2664 4353 Email: [email protected] Website: www.stc.group This report shall not be reproduced unless with prior written approval from The Hong Kong Standards and Testing Centre Limited. For Conditions of Issuance of this test report, please refer to “Conditions of Issuance of Test Reports” section or Website. Applicant : Ocean Star Electronics Ltd. Unit 2, 16/F, Fo Tan Industrial Centre, No. 26-28 Au Pui Wan Street, Fo Tan, Hong Kong Supplier / Manufacturer : Ocean Star Electronics Ltd. Unit 2, 16/F, Fo Tan Industrial Centre, No. 26-28 Au Pui Wan Street, Fo Tan, Hong Kong Description of Sample(s) : Submitted sample(s) said to be Product: SPEAKER SYSTEM Brand Name: SHARP Model No.: PS-929 FCC ID: LMZ-PS929 Date Samples Received : 2022-05-06 Date Tested : 2022-05-10 to 2022-05-18 Investigation Requested : Perform Electro Magnetic Interference measurement in accordance with FCC 47CFR [Codes of Federal Regulations] Part 15 and ANSI C63.10:2013 for FCC Certification. Conclusions : The submitted product COMPLIED with the requirements of Federal Communications Commission [FCC] Rules and Regulations Part 15, Subpart C. The tests were performed in accordance with the standards described above and on Section 2.2 in this Test Report. Remarks : Bluetooth FHSS (GFSK / /4-DQPSK) _______________________________ Dr.CHAN Kwok Hung, Brian Authorized Signatory Test Report Date : 2022-07-12 Page 2 of 68 No. : HMD22050010 The Hong Kong Standards and Testing Centre Limited 10 Dai Wang Street, Taipo Industrial Estate, Tai Po, N.T., Hong Kong Tel: +852 2666 1888 Fax: +852 2664 4353 Email: [email protected] Website: www.stc.group This report shall not be reproduced unless with prior written approval from The Hong Kong Standards and Testing Centre Limited. For Conditions of Issuance of this test report, please refer to “Conditions of Issuance of Test Reports” section or Website. CONTENT: Cover Page 1 of 68 Content Page 2 of 68 1.0 General Details 1.1 Test Laboratory Page 3 of 68 1.2 Equipment Under Test [EUT] Page 3 of 68 Description of EUT operation 1.3 Date of Order Page 3 of 68 1.4 Submitted Sample(s) Page 3 of 68 1.5 Test Duration Page 3 of 68 1.6 Country of Origin Page 3 of 68 1.7 RF Module Details Page 4 of 68 1.8 Antenna Details Page 4 of 68 1.9 Channel List Page 4 of 68 2.0 Technical Details 2.1 Investigations Requested Page 5 of 68 2.2 Test Standards and Results Summary Page 6 of 68 2.3 Table for Test Modes Page 7 of 68 3.0 Test Results 3.1 Emission Page 8-63 of 68 Appendix A List of Measurement Equipment Page 64 of 68 Appendix B Photograph(s) of Product Page 65-68 of 68 Test Report Date : 2022-07-12 Page 3 of 68 No. : HMD22050010 The Hong Kong Standards and Testing Centre Limited 10 Dai Wang Street, Taipo Industrial Estate, Tai Po, N.T., Hong Kong Tel: +852 2666 1888 Fax: +852 2664 4353 Email: [email protected] Website: www.stc.group This report shall not be reproduced unless with prior written approval from The Hong Kong Standards and Testing Centre Limited. For Conditions of Issuance of this test report, please refer to “Conditions of Issuance of Test Reports” section or Website. 1.0 General Details 1.1 Test Laboratory The Hong Kong Standards and Testing Centre Ltd. EMC Laboratory 10 Dai Wang Street, Taipo Industrial Estate, New Territories, Hong Kong Telephone: 852 2666 1888 Fax: 852 2664 4353 1.2 Equipment Under Test [EUT] Description of Sample(s) Product: SPEAKER SYSTEM Manufacturer: Ocean Star Electronics Ltd. Unit 2, 16/F, Fo Tan Industrial Centre, No. 26-28 Au Pui Wan Street, Fo Tan, Hong Kong Brand Name: SHARP Model Number: PS-929 Rating: 15V.d.c. by adapter The AC/DC adapter was provided by the applicant with following details: Brand name: N/A, Model no.: CW1502500US, Input: 100-240Va.c. 50/60Hz 1.2A MAX, Output: 15Vd.c. 2500mA 1.2.1 Description of EUT Operation The Equipment Under Test (EUT) is a SPEAKER SYSTEM of Ocean Star Electronics Ltd. The transmission signal is digital modulated with channel frequency range 2402-2480MHz. The R.F. signal was modulated by IC; the type of modulation used was frequency hopping spread spectrum Modulation. 1.3 Date of Order 2022-05-06 1.4 Submitted Sample(s): 1 Sample 1.5 Test Duration 2022-05-10 to 2022-05-18 1.6 Country of Origin China Test Report Date : 2022-07-12 Page 4 of 68 No. : HMD22050010 The Hong Kong Standards and Testing Centre Limited 10 Dai Wang Street, Taipo Industrial Estate, Tai Po, N.T., Hong Kong Tel: +852 2666 1888 Fax: +852 2664 4353 Email: [email protected] Website: www.stc.group This report shall not be reproduced unless with prior written approval from The Hong Kong Standards and Testing Centre Limited. For Conditions of Issuance of this test report, please refer to “Conditions of Issuance of Test Reports” section or Website. 1.7 RF Module Details Module Model Number: AC6921A Module FCC ID: N/A Module Transmission Type: Bluetooth V5.0 EDR Modulation: FHSS (GFSK / /4-DQPSK) Data Rates: 1MBps: GFSK 2 MBps: /4-DQPSK Frequency Range: 2400-2483.5MHz Carrier Frequencies: 2402MHz – 2480MHz Module Specification (specification provided by manufacturer) 1.8 Antenna Details Antenna Type: PCB antenna Antenna Gain: -0.58dBi 1.9 Channel List Channel Frequency (MHz) Channel Frequency (MHz) 0 2402 42 2444 1 2403 43 2445 2 2404 44 2446 3 2405 45 2447 4 2406 46 2448 5 2407 47 2449 6 2408 48 2450 7 2409 ... ... 8 2410 67 2469 9 2411 68 2470 ... ... 69 2471 33 2435 70 2472 34 2436 71 2473 35 2437 72 2474 36 2438 73 2475 37 2439 74 2476 38 2440 75 2477 39 2441 76 2478 40 2442 77 2479 41 2443 78 2480 Test Report Date : 2022-07-12 Page 5 of 68 No. : HMD22050010 The Hong Kong Standards and Testing Centre Limited 10 Dai Wang Street, Taipo Industrial Estate, Tai Po, N.T., Hong Kong Tel: +852 2666 1888 Fax: +852 2664 4353 Email: [email protected] Website: www.s…

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1 Test Photo FCC ID: LMZ-PS929 IC: 10306A-PS929 Measurement of Radiated Emission Test Set Up Measurement of Radiated Emission Test Set Up 2 Measurement of Radiated Emission Test Set Up Measurement of Conducted Emission Test Set Up