2A96L-SRP2504ASprintRay NanoWash

Company name: SprintRay Inc ADD: 2710 Media Center Dr, Suite 100A,Los Angeles,California,90065-1700, United States TEL: +2135442310 FAX: N/A E-mail: [email protected] Sincerely Yours, Signature: Typed or Printed Name: Hossein Bassir Title: Chief Product Officer Attestation Letter FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Divisio n 7435 Oakland Mills Road Columbia, MD 21046 Date: 2026/06/22 To Whom It May Concern, Our product SprintRay NanoWash (model name: SRP2504A; FCC ID: 2A96L-SRP2504A), it only activates 2.4G Wi-Fi: 2412 -2462 MHz (802.11b/g/n20/ax20); 5G Wi-Fi (B1: 5150-5250 MHz; B2: 5250-5350 MHz; B3: 5470-5725 MHz; B4: 5725-5850 MHz (802.11a/n20/ac20/ax20/ n40/ac40/ax40/ac80/ax80)), BT/BLE(1 Mbps & 2 Mbps): 2402-2480 MHz; NFC: 13.56 MHz functions, 802.11ax modes only supports full RU configuration not partial RU, the partial RU was also disabled by software. The other bands are disabled by using the software. Please contact me if there is need for any additional clarification or information. Best Regards,

Company name: SprintRay Inc ADD: 2710 Media Center Dr, Suite 100A,Los Angeles,California,90065-1700, United States TEL: +2135442310 FAX: N/A E-mail: [email protected] Attestation Letter Date: 2026/06/22 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911 (d) (5) (i) (ii) Filing FCC ID: 2A96L-SRP2504A SprintRay Inc (“the applicant”) 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. SprintRay Inc (“the applicant”) 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. SprintRay Inc (“the applicant”) certifies that the equipment does not use Kaspersky's software information. Sincerely, Signature: Printed Name: Hossein Bassir Title: Chief Product Officer

QA-FR-1004-A RC 02-08-2023 Company name: SprintRay Inc ADD: 2710 Media Center Dr, Suite 100A,Los Angeles,California,90065-1700, United States TEL: +2135442310 FAX: N/A E-mail: [email protected] Attestation Letter for Agent Date: 2026/06/22 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: 2A96L-SRP2504A SprintRay Inc certifies that, as of the date of the filing of the application, SprintRay Inc is our designated U.S. agent for service of process for the above referenced FCC ID: 2A96L-SRP2504A. SprintRay Inc 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. SprintRay Inc 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 and Applicant Information: Company name: SprintRay Inc Address: 2710 Media Center Dr, Suite 100A,Los Angeles,California,90065-1700, United States FRN: 0033370727 Contact person: Hossein Bassir Tel: +2135442310 Email: [email protected] Sincerely, Agent and Applicant Name SprintRay Inc Agent and Applicant Printed Name Hossein Bassir Agent and Applicant Signature

QA-FR-170-B Company name: SprintRay Inc ADD: 2710 Media Center Dr, Suite 100A,Los Angeles,California,90065-1700, United States TEL: +2135442310 FAX: N/A E-mail: [email protected] FCC Authorization Date: 2026/06/22 FEDERAL COMMUNICATIONS COMMISSION Au thorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, SprintRay Inc, hereby authorizes Bay Area Compliance Laboratories Corp. (Kunshan) 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 Bay Area Compliance Laboratories Corp. (Kunshan) 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, Signature: Printed Name: Hossein Bassir Title: Chief Product Officer

QA-FR-171-A Company name: SprintRay Inc ADD: 2710 Media Center Dr, Suite 100A,Los Angeles,California,90065-1700, United States TEL: +2135442310 FAX: N/A E-mail: [email protected] FCC Confidential Authorization Date: 2026/06/22 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2A96L-SRP2504A In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, SprintRay Inc hereby requests long-term confidential treatment of information accompanying this application as outlined below: •Block Diagram •Schematics •Operation Description •U-NII Device Security Declaration The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely, Signature: Printed Name: Hossein Bassir Title: Chief Product Officer

Company name: SprintRay Inc ADD: 2710 Media Center Dr, Suite 100A,Los Angeles,California,90065-1700, United States TEL: +2135442310 FAX: N/A E-mail: [email protected] DECLARATION Date: 2026/06/16 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 We, SprintRay Inc hereby declare that product name: SprintRay NanoWash (FCC ID: 2A96L-SRP2504A, model name: SRP2504A, HVIN: M1.0, M2.0 ) are electrically identical with the PCB design, components and electromagnetic compatibility characteristics, and model: M1.0, M2.0 have been tested by Bay Area Compliance Laboratories Corp. (Kunshan). The differences of them are as follows: M1.0 (Motor model name: AT2317) M2.0 (Motor model name: PBL.4611024-8109) Please contact me if there is need for any additional clarification or information. Best Regards, Signature: Printed Name: Hossein Bassir Title: Chief Product Officer

Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 1 / 8 EXHIBIT A - EUT EXTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 2 / 8 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 3 / 8 Configuration 1(HVIN: M2.0) Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 4 / 8 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 5 / 8 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 6 / 8 Configuration 2(HVIN: M1.0) Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 7 / 8 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 8 / 8

Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 1 / 37 EXHIBIT B - EUT INTERNAL PHOTOGRAPHS Configuration 1(HVIN: M2.0) Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 2 / 37 NFC Antenna Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 3 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 4 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 5 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 6 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 7 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 8 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 9 / 37 Motor Model: PBL.4611024-8109 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 10 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 11 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 12 / 37

Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 13 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 14 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 15 / 37 Chain 0: BT/BLE/2.4G/5G WiFi Antenna Chain 1: 2.4G/5G WiFi Antenna Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 16 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 17 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 18 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 19 / 37 Configuration 2(HVIN: M1.0) Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 20 / 37 NFC Antenna Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 21 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 22 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 23 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 24 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 25 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 26 / 37

Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 27 / 37 Motor Model: AT2317 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 28 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 29 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 30 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 31 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 32 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 33 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 34 / 37 Chain 0: BT/BLE/2.4G/5G WiFi Antenna Chain 1: 2.4G/5G WiFi Antenna Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 35 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 36 / 37 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 37 / 37

Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 1 / 6 EXHIBIT E - TEST SETUP PHOTOGRAPHS Configuration 1 Conducted Emissions (Front View) Conducted Emissions (Left View) Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 2 / 6 Radiated Emissions (Below 30 MHz) Radiated Emissions (30MHz-1GHz) Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 3 / 6 Radiated Spurious Emissions (1-18 GHz) Radiated Spurious Emissions (18-40 GHz) Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 4 / 6 Configuration 2 Conducted Emissions (Front View) Conducted Emissions (Left View) Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 5 / 6 Radiated Emissions (Below 30 MHz) Radiated Emissions (30MHz-1GHz) Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 6 / 6 RF Conducted

Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RKSA260622001 1 / 1 EXHIBIT F - TEST SETUP PHOTOGRAPHS