2AJUM-AC-WS20PDSDAconic Shower Speaker Patterns-PD16/SD16

           could void the user's authority to operate the equipment. IMPORTANT NOTE: 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, us es 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 mea sures: —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. BDR, EDR 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.

Aduro Products, LLC 250 Liberty Street, Metuchen, N.J. 08840.USA Tel: 001-718-832-8500 E-mail: [email protected] Date: 12/14/2022 To: FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 We, Aduro Products, LLC hereby declare that： Product Name: Aconic Shower Speaker Patterns-PD16/SD16 Main Model NO.: AC-WS20-PD16-TL Serial Model NO.: AC-WS20-PD16-FL, AC-WS20-PD16-CK, AC-WS20-PD16-CL, AC-WS20-SD16-08, AC-WS20-SD16-06, AC-WS20-SD16-04, AC-WS20-SD16-03 FCC ID: 2AJUM-AC-WS20PDSD For BT Mode: BLE 1M/2M are disable by software For Below are activated: Bluetooth BDR(GFSK) , EDR(π/4‐DQPSK), EDR(8DPSK) Except for the manufacturer, the end user does not have any capability to modify/change the RF parameters. We acknowledge that it is the manufacturer’s responsibility to provide the radio configurations to ensure compliance with Commission’s rules. Sincerely Yours, Signature: Printed Name: Jack Braha Title: President

Aduro Products, LLC 250 Liberty Street, Metuchen, N.J. 08840.USA Tel: 001-718-832-8500 E-mail: [email protected] CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 2023/02/10 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i) Filing FCC ID: 2AJUM-AC-WS20PDSD Aduro Products, LLC certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Signature: Contact person: Jack Braha Title: President

Aduro Products, LLC 250 Liberty Street, Metuchen, N.J. 08840.USA Tel: 001-718-832-8500 E-mail: [email protected] CFR 47 §2.911 (d)(5)(ii) Attestation Letter Attestation Letter Date: 2023/02/10 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(ii) Filing FCC ID: 2AJUM-AC-WS20PDSD Aduro Products, LLC certifies that as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, Signature: Contact person: Jack Braha Title: President

Aduro Products, LLC 250 Liberty Street, Metuchen, N.J. 08840.USA Tel: 001-718-832-8500 E-mail: [email protected] Attestation Letter for Agent 2023/02/10 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911 (d)(7) Filing FCC ID: 2AJUM-AC-WS20PDSD Aduro Products, LLC certifies that, as of the date of the filing of the application, is our designated U.S. agent for service of process for the above referenced FCC ID. Aduro Products, LLC agrees to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Aduro Products, LLC accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company name: Aduro Products, LLC Address: 250 Liberty Street, Metuchen, N.J. 08840.USA Contact person: Jack Braha Tel: 718-832-8500 Email: [email protected] Sincerely, Applicant Name Aduro Products, LLC Applicant Printed Name Jack Braha Applicant Signature Aduro Products, LLC FRN: 0025902677

Block Diagram SPEAKER DAC OSCILLATOR FLASH ANT 2402 -2480 MHz XTAL 24M AC6969A DC 3.7V from battery or DC 5V from USB port

Aduro Products, LLC 250 Liberty Street, Metuchen, N.J. 08840.USA Tel: 001-718-832-8500 E-mail: [email protected] FCC Authorization 12/14/2022 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, Aduro Products, LLC, the undersigned, hereby authorize Shenzhen Accurate Technology Co., Ltd to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Shenzhen Accurate Technology Co., Ltd on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: Printed Name: Jack Braha Title: President

Aduro Products, LLC 250 Liberty Street, Metuchen, N.J. 08840.USA Tel:001-718-832-8500 E-mail: [email protected] Product Similarity Declaration Date: 2022-12-14 To: FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, We, Aduro Products LLC, hereby declare that we have a product named as Aconic Shower Speaker Patterns-PD16/SD16, (Model: AC-WS20-PD16-TL, FCC ID: 2AJUM-AC-WS20PDSD) was tested by Shenzhen Accurate Technology Co., LTD. Meanwhile, for our marketing purpose, we would like to list a series model (AC-WS20-PD16-FL, AC-WS20-PD16-CK, AC-WS20-PD16-CL, AC-WS20-SD16-08, AC-WS20-SD16-06, AC-WS20-SD16-04, AC-WS20-SD16-03) on reports and certificate; all the models are identical in schematics. Only the model name and appearance color is different,n o other changes are made on them. We confirm that all information above is true, and we’ll be responsible for all the consequences. Please contact me if you have any question. Sincerely Yours, Signature: Printed Name: Jack Braha Title: President

Shenzhen Accurate Technology Co., Ltd. Project No.: RA221201-57534E-RF External Photos Page 1 of 5 External Photos Shenzhen Accurate Technology Co., Ltd. Project No.: RA221201-57534E-RF External Photos Page 2 of 5 Shenzhen Accurate Technology Co., Ltd. Project No.: RA221201-57534E-RF External Photos Page 3 of 5 Shenzhen Accurate Technology Co., Ltd. Project No.: RA221201-57534E-RF External Photos Page 4 of 5 Shenzhen Accurate Technology Co., Ltd. Project No.: RA221201-57534E-RF External Photos Page 5 of 5

Project No. : RA221201-57534E-RF EXHIBITA-FCC ID LABEL AND LOCATION FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the time purchase (Labeling requirements per 2.295)

Shenzhen Accurate Technology Co., Ltd. Project No.: RA221201-57534E-RF Internal Photos Page 1 of 4 Internal Photos Shenzhen Accurate Technology Co., Ltd. Project No.: RA221201-57534E-RF Internal Photos Page 2 of 4 Shenzhen Accurate Technology Co., Ltd. Project No.: RA221201-57534E-RF Internal Photos Page 3 of 4 ANT Shenzhen Accurate Technology Co., Ltd. Project No.: RA221201-57534E-RF Internal Photos Page 4 of 4

circuit description A Battery (3.7V) Powers the Bluetooth chip (AC6969A); crystallized Oscillator (24MHz) provides clock signal for Bluetooth chip products. Broadcast state during standby, according to a certain time interval. The bluetooth signal passes through the matching circuit, then transmission to space (2402MHz-2408MHz) via antenna. when after the product is connected, the product can have two-way communication with the mobile phone The product receives the bluetooth signal through the antenna and transmits it to The Bluetooth chip passes through the matching circuit. Modulation technology: Bluetooth: GFSK, π/4-DQPSK, 8DPSK Can Antenna Specifications be used: -0.68dBi

Shenzhen Accurate Technology Co., Ltd. Report No.: RA221201-57534E-RF Version 11: 2021-11-09 Page 11 of 66 FCC-BT FCC §1.1307 (b) & §2.1093 – RF EXPOSURE Applicable Standard According to FCC §2.1093 and §1.1307(b), systems operating under the provisions of this section shall be operated in a manner that ensure that the public is not exposed to radio frequency energy level in excess of the Commission’s guideline. According to KDB 447498 D04 Interim General RF Exposure Guidance v01, clause 2.1.2 – 1- mW test Exemption: Per § 1.1307(b)(3)(i)(A), a single RF source is exempt RF device (from the requirement to show data demonstrating compliance to RF exposure limits, as previously mentioned) if the available maximum time-averaged power is no more than 1 mW, regardless of separation distance. This exemption applies to all operating configurations and exposure conditions, for the frequency range 100 kHz to 100 GHz, regardless of fixed, mobile, or portable device exposure conditions. This is a standalone exemption, and it cannot be applied in conjunction with any other test exemption. Test Result: For worst case: Mode Frequency Maximum Tune-up Conducted Power 1-mW test Exemption (MHz) (dBm) (mW) BDR/EDR 2402-2480 -3 0.50 Yes Note: The tune-up power was declared by the applicant. Result: Compliant.

1 1 2 2 3 34 DD CC BB AA BTANT Y1 24MHz BT_OSCOBT_OSCI 0603 C6 2.7pF BT_RF MK1 Mic 0 6 0 3 C7 NC MIC_IN SW5 NEXT/V+ GND MIC BLUETOOTF MCU:AC6969A MINIUSB ADKEY L1 NC GND VDDIO 1 VBAT 2 LDO_IN 3 BT_AVDD 4 PB2/ADC12 5 PB1/ADC6 6 BT_RF 7 VSSIO 8 BT_OSCI 9 BT_OSCO 10 ADC11/USBDM 11 ADC10/PA3/USBDP 12 DACR 13 DACL 14 DACVSS 15 ADC0/MIC/PA1 16 U1 AC6969A 0603 C2 474/25V 0603 C3474/25V 0603 C4222/25V 0603 C5 105 MUTE GND L2 NC GND BT_RF GND BT_OSCI BT_OSCO DACL AGND MIC_IN+3.3V VBAT LDOIN BT_ACDD AGND AGND POWER ADKEY LED_BLUE SD 1 BYPASS 2 MODE 3 IN 4 OUT- 5 VDD 6 GND 7 OUT+ 8 U2MIX2018A SPK1 3W/4Ω MUTE 0603 C10 0.1uF 0603 C9 105 GND VBAT MIX2018A 0603 C8 105 GND 0603 R7 43K 0 6 0 3 R6 100K VBAT DACL SW4 PREV/V- SW1 ON/OFF POWER SW2 CALL 0603 R4 24K 0603 R5 100K 0603 R3 3K SW3 PP 0 6 0 3 R2 22K ADKEY +3.3V BTLED LED2 RED GND LED_B/R Q1 NC 0 6 0 3 R9 NC VBAT VIN 0603 R81K VBAT BT1 Battery CHRG 1 GND 2 BAT 3 VDD 4 PROG 5 U3 4054 LED1 RED 0603 R12 1K 0603 R11 3.3K GND 0 6 0 3 C11 105 GND VBAT GND VBUS 1 D- 2 D+ 3 GND 4 G 2 5 G 1 6 USB1 GNDGND D1 NC 0 6 0 3 R1 NC V B A T 0603 R10 NC RED R E D PI01 PI02 PI03 PI04 PI05 PI06 CO PIBT101 PIBT102 COBT1 PIBTANT01 COBTANT PIC201 PIC202 COC2 PIC301 PIC302 COC3 PIC401 PIC402 COC4 PIC501 PIC502 COC5 PIC601 PIC602 COC6 PIC701 PIC702 COC7 PIC801 PIC802 COC8 PIC901 PIC902 COC9 PIC1001 PIC1002 COC10 PIC1101 PIC1102 COC11 PID101 PID102 COD1 PIL101 PIL102 COL1 PIL201 PIL202 COL2 PILED101 PILED102 COLED1 PILED201 PILED202 COLED2 PIMK101 PIMK102 COMK1 PIQ101 PIQ102 PIQ103 COQ1 PIR101 PIR102 COR1 PIR201 PIR202 COR2 PIR301 PIR302 COR3 PIR401 PIR402 COR4 PIR501 PIR502 COR5 PIR601 PIR602 COR6 PIR701 PIR702 COR7 PIR801 PIR802 COR8 PIR901 PIR902 COR9 PIR1001 PIR1002 COR10 PIR1101 PIR1102 COR11 PIR1201 PIR1202 COR12 PISPK101 PISPK102 COSPK1 PISW101 PISW102 COSW1 PISW201 PISW202 COSW2 PISW301 PISW302 COSW3 PISW401 PISW402 COSW4 PISW501 PISW502 COSW5 PIU101 PIU102 PIU103 PIU104 PIU105 PIU106 PIU107 PIU108 PIU109 PIU1010 PIU1011 PIU1012 PIU1013 PIU1014 PIU1015 PIU1016 COU1 PIU201 PIU202 PIU203 PIU204 PIU205 PIU206 PIU207 PIU208 COU2 PIU301 PIU302 PIU303 PIU304 PIU305 COU3 PIY101 PIY102 COY1

ANTENNA SPECIFICATION Summary CEPS TNA METI TNA G4.2 emaN ledoM 8dBi6.-0 niaG .XAM lacitreV dna latnoziroH noitaziraloP Azimuth Beam Pattern Omni-directional mhO 05 ecnadepmI erutcafunaM Antenna Photo & Length (mm) Zhuhai Jieli technology Co.,LtdNo. 333, Kexing Road, Xiangzhou District, Zhuhai Freq[MHz] Gain(dBi) 2400 2410 2420 2430 2440 2450 2460 2470 2480 2490 2500 -0.75 -0.73 -0.82 -0.79 -0.68 -0.69 -0.77 -0.71 -0.85 -0.74 -0.80 3D Radiation Pattern X 2440MHz Y 2440MHz Z 2440MHz

Note: This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “★”. Shenzhen Accurate Technology Co., Ltd. is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. Shenzhen Accurate Technology Co., Ltd. 1/F., Building A, Changyuan New Material Port, Science & Industry Park, Nanshan District, Shenzhen, Guangdong, P.R. China Tel: +86 755-26503290 Fax: +86 755-26503396 Web: www.atc-lab.com Version 11: 2021-11-09 Page 1 of 67 FCC-BT TEST REPORT Applicant Name : Aduro Products LLC Address : 250 Liberty Street,Metuchen, N.J. 08840. USA Report Number : RA221201-57534E-RF FCC ID: 2AJUM-AC-WS20PDSD Test Standard (s) FCC PART 15.247 Sample Description Product Type: Aconic Shower Speaker Patterns-PD16/SD16 Test Model: AC-WS20-PD16-TL,AC-WS20-PD16-FL,AC-WS20-PD16-CK AC-WS20-PD16-CL,AC-WS20-SD16-08,AC-WS20-SD16-06 AC-WS20-SD16-04,AC-WS20-SD16-03 Date Received: 2022-12-01 Date of Test: 2022-12-08 to 2022-12-09 Report Date: 2022-12-10 Test Result: Pass* * In the configuration tested, the EUT complied with the standards above. Prepared and Checked By: Approved By: Roger.Ling Candy Li EMC Engineer EMC Engineer Shenzhen Accurate Technology Co., Ltd. Report No.: RA221201-57534E-RF Version 11: 2021-11-09 Page 2 of 67 FCC-BT TABLE OF CONTENTS DOCUMENT REVISION HISTORY ......................................................................................................................... 4 GENERAL INFORMATION ....................................................................................................................................... 5 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 5 OBJECTIVE ................................................................................................................................................................... 5 TEST METHODOLOGY .................................................................................................................................................. 5 MEASUREMENT UNCERTAINTY .................................................................................................................................... 6 TEST FACILITY ............................................................................................................................................................. 6 SYSTEM TEST CONFIGURATION .......................................................................................................................... 7 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 7 EUT EXERCISE SOFTWARE .......................................................................................................................................... 7 SPECIAL ACCESSORIES ................................................................................................................................................. 7 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 7 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 7 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 8 SUMMARY OF TEST RESULTS ............................................................................................................................... 9 TEST EQUIPMENT LIST ......................................................................................................................................... 10 FCC §1.1307 (b) & §2.1093 – RF EXPOSURE ......................................................................................................... 11 APPLICABLE STANDARD ............................................................................................................................................ 11 TEST RESULT: ............................................................................................................................................................ 11 FCC §15.203 – ANTENNA REQUIREMENT .......................................................................................................... 12 APPLICABLE STANDARD ............................................................................................................................................ 12 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 12 FCC §15.207 (a) – AC LINE CONDUCTED EMISSIONS ..................................................................................... 13 APPLICABLE STANDARD ............................................................................................................................................ 13 EUT SETUP ................................................................................................................................................................ 13 EMI TEST RECEIVER SETUP ....................................................................................................................................... 13 TEST PROCEDURE ....................…

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Shenzhen Accurate Technology Co., Ltd. Project No.: RA221201-57534E-RF Test Photos Page 1 of 2 Photo of Power Line Conducted Emission Measurement Shenzhen Accurate Technology Co., Ltd. Project No.: RA221201-57534E-RF Test Photos Page 2 of 2 Radiated Spurious Emissions Test View (Below 1GHz) Radiated Spurious Emissions Test View (Above 1GHz)