2BPSB-KH-2313Multifunctional Scalp Care Comb

Shenzhen Kimairay Technology Co., Ltd. Factory Building No. 5101, Zone 2, Fuqiao Industrial Zone, Heping Community, Fuhai Subdistrict, Bao'an District, Shenzhen, China Attestation Statements Not Covered EntityApplicant &Not Covered Equipment To: Federal Communications CommissionDate: Sep. 9, 25 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i)& (ii) FCC ID: 2BPSB-KH-2313 Shenzhen Kimairay Technology Co., Ltd. (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List, established pursuant to § 1.50002 of reference chapter, as an entity producing “covered” communication equipment. The equipment for which authorization is sought is not “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List that prohibited from receiving an equipment authorization pursuant to section § 2.903of the FCC rules. Sincerely yours, Applicant Signature Printed Name: HuaiYu Yi Title: Manager Address: Factory Building No. 5101, Zone 2, Fuqiao Industrial Zone, Heping Community, Fuhai Subdistrict, Bao'an District, Shenzhen, China Tel.: 15137621636 Email: [email protected]

Shenzhen Kimairay Technology Co., Ltd. Factory Building No. 5101, Zone 2, Fuqiao Industrial Zone, Heping Community, Fuhai Subdistrict, Bao'an District, Shenzhen, China 1| Page Attestation Statements To: Federal Communications Commission Date: Sep. 9, 25 7435 Oakland Mills Road, Columbia, MD 21046, USA Subject: Attestation of Compliance with FCC Covered List Software Requirements FCC ID: [2BPSB-KH-2313] Product Name: [Multifunctional Scalp Care Comb] This letter serves as an attestation that the equipment identified above ☐ is / ☒ is not (select one) "covered" software as defined under the Federal Communications Commission (FCC) Covered List requirements, as outlined in FCC 22-84 and KDB 986446. Specifically, the undersigned certifies that the equipment for which authorization is sought: 1. Does not contain cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors, assignees, parents, subsidiaries, affiliates, or any entity that has rebranded or relabeled software produced by the aforementioned entities. 2. Does not have the capability to store, run, or deliver any software identified on the FCC Covered List, including but not limited to cybersecurity and anti-virus software. To support this attestation, the appendixevaluation documentation has been prepared and is included in the certification filing. This attestation is based on a thorough evaluation of the device's design, functionality, and software environment. The undersigned affirms that the information provided is accurate and complete to the best of their knowledge. Sincerely yours, Applicant Signature Printed Name: HuaiYu Yi Title: Manager Address: Factory Building No. 5101, Zone 2, Fuqiao Industrial Zone, Heping Community, Fuhai Subdistrict, Bao'an District, Shenzhen, China Tel.: 15137621636 Email: [email protected] Shenzhen Kimairay Technology Co., Ltd. Factory Building No. 5101, Zone 2, Fuqiao Industrial Zone, Heping Community, Fuhai Subdistrict, Bao'an District, Shenzhen, China 2| Page Evaluation regarding to the Covered List Software: Compliance Methodology Evaluation Process Results Device is Inherent compliance ☑ The Chipset(s) used is limited to run the Cybersecurity or anti-virus software. Compliance ☑ The Memory used is limited to run the Cybersecurity or anti-virus software. Compliance ☑ There is storage capacitylimitation for store or install the Cybersecurity or anti-virus software. Compliance ☑ Operatingsystem used is limited to run, install or deliver the Cybersecurity or anti-virus software. Compliance Device is not Inherent compliance ☐ Evaluation Based on Software Bill of Materials (SBoM) See attached “SBoM“ Note:The SBoM content is limited to the scope of covered list software (e.g. antivirus and cybersecurity software). ☐ Evaluation Based on Scan for Software on the device ☐ Evaluation Based on Filesystem scan ☐ Evaluation Based on Running software check

Shenzhen Kimairay Technology Co., Ltd. Factory Building No. 5101, Zone 2, Fuqiao Industrial Zone, Heping Community, Fuhai Subdistrict, Bao'an District, Shenzhen, China 09.04.2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request for: FCC ID: 2BPSB-KH-2313 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby requestpermanent confidential treatment of the exhibits accompanying thiscertification application as outlined below :  Block Diagram  Schematics  Operational Description The above exhibits contain trade secrets and/or proprietary information that are not publicly available and materials that the Applicant has spent considerable efforts in developing. Public disclosure of these may be harmful to the Applicant and give an unfair advantage to competitors on the market. Pursuant to DA 04-1705, the applicant also requests temporary confidential treatment of the exhibits outlined below for a period of (180)days from the date of equipment authorization and prior to marketing in the United States to prevent the premature release of any sensitive information. Applicant is aware of their responsibility to notify DERYCOMin the event information regarding the product or the product is made available to the public before the requested period has expired.  User Manual  Internal Photos  External Photos  Test Setup Photos Sincerely, (Signature) Printed Name: HuaiYu Yi Title: Manager Address: Factory Building No. 5101, Zone 2, Fuqiao Industrial Zone, Heping Community, Fuhai Subdistrict, Bao'an District, Shenzhen, China Tel.: 15137621636 Email: [email protected]

Shenzhen Kimairay Technology Co., Ltd. Factory Building No. 5101, Zone 2, Fuqiao Industrial Zone, Heping Community, Fuhai Subdistrict, Bao'an District, Shenzhen, China (09.04.2025) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization for FCC ID: 2BPSB-KH-2313 I, the undersigned, hereby authorize (SHENZHEN TONGCE TESTING LAB) to act on our behalfin all matters relating to this application for equipment certification. Any act carried out by (SHENZHEN TONGCE TESTING LAB) shall have the same effect as our own and I acknowledge that all responsibility for complying with the terms and conditions of certification, as specified by DERYCOM CERTIFICATION SERVICES, INC., still resides with (Shenzhen Kimairay Technology Co., Ltd.). We certify that we are not subject to a denial of federal benefits that includes FCC benefitspursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862, and that no partyto the application, as defined in 47 CFR §1.2002(b), is subject to a denial of federal benefits that includes FCC benefits pursuant to that section. Sincerely, (Signature) (Full name of contact person listed on FCC’s website) HuaiYu Yi (Title) Manager Tel: 15137621636 Fax: N/A Email: [email protected]

Label Artwork and Location Model: KH-2313 Label: Si ze: L*W=19*19mm Location

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2BPSB-KH-2313 Test Report No. ............... : TCT250826E028 Date of issue ................... : Sep. 02, 2025 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory, Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Shenzhen Kimairay Technology Co., Ltd. Address ........................... : Factory Building No. 5101, Zone 2, Fuqiao Industrial Zone, Heping Community, Fuhai Subdistrict, Bao'an District, Shenzhen, China Manufacturer's name ... : Shenzhen Kimairay Technology Co., Ltd. Address ........................... : Factory Building No. 5101, Zone 2, Fuqiao Industrial Zone, Heping Community, Fuhai Subdistrict, Bao'an District, Shenzhen, China Standard(s) ..................... : KDB 447498 D01 General RF Exposure Guidance v06 Product Name ................. : Multifunctional Scalp Care Comb Trade Mark ...................... : kimairay Model/Type reference..... : KH-2313 Rating(s).......................... : Rechargeable Li-ion Battery DC 3.7V Date of receipt of test item ......................................... : Aug. 26, 2025 Date (s) of performance of test ................................... : Aug. 26, 2025 ~ Sep. 02, 2025 Tested by (+signature) ... : Yannie ZHONG Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT250826E028 Page 2 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 2. General Information ................................................................................. 4 2.1. Test environment and mode ................................................................................. 4 2.2. Description of Support Units ................................................................................ 4 3. Facilities and Accreditations .................................................................. 5 3.1. Facilities ................................................................................................................. 5 3.2. Location ................................................................................................................. 5 4. Test Results and Measurement Data ..................................................... 6 Report No.: TCT250826E028 Page 3 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : Multifunctional Scalp Care Comb Model/Type reference........... : KH-2313 Sample Number....................: TCT250826E027-0101 Operation Frequency ........... : 2412MHz~2462MHz (802.11b/802.11g/802.11n(HT20)) Modulation Type ................... : 802.11b: Direct Sequence Spread Spectrum (DSSS) 802.11g/802.11n: Orthogonal Frequency Division Multiplexing (OFDM) Antenna Type ........................ : PCB Antenna Antenna Gain ........................ : 2.54dBi Rating(s)................................ : Rechargeable Li-ion Battery DC 3.7V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list None. Report No.: TCT250826E028 Page 4 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. General Information 2.1. Test environment and mode Item Normal condition Temperature +25ºC Voltage DC 3.7V Humidity 56% Atmospheric Pressure: 1008 mbar Test Mode: Engineering mode: Keep the EUT in continuous transmitting by select channel 2.2. Description of Support Units The EUT has been tested as an independent unit together with other necessary accessories or support units. The following support units or accessories were used to form a representative test configuration during the tests. Equipment Model No. Serial No. FCC ID Trade Name / / / / / Note: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 3. For conducted measurements (Output Power, 20dB Occupied Bandwidth, Carrier Frequencies Separation, Hopping Channel Number, Dwell Time, Spurious Emissions), the antenna of EUT is connected to the test equipment via temporary antenna connector, the antenna connector is soldered on the antenna port of EUT, and the temporary antenna connector is listed in the Test Instruments. Report No.: TCT250826E028 Page 5 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 3. Facilities and Accreditations 3.1. Facilities The test facility is recognized, certified, or accredited by the following organizations: ● FCC - Registration No.: 645098 SHENZHEN TONGCE TESTING LAB Designation Number: CN1205 The testing lab has been registered and fully described in a report with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. ● A2LA-No.: 4320.01 SHENZHEN TONGCE TESTING LAB The…

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Antenna Specification Manufacture： Bokai Product Name：WBR3 Antenna Antenna Type：PCB Test Date：2025.08.27 Tested by：Long Wang Approved by：Licco Content 1.General Description .................................................................................. 1 2. Test Configurations ................................................................................... 2 2.1 Test Environment ............................................................................... 2 2.2 Test Equipment .................................................................................. 2 2.3 Test Principle ...................................................................................... 2 3. Test Results ................................................................................................ 3 3.1 Gain and Efficiency ............................................................................ 3 3.2 Radiation Pattern .................................................................................. 4 4. Antenna Dimensions ................................................................................. 6 5. Test Setup Photo ....................................................................................... 7 1 1. General Description Manufacturer Shenzhen Bokai Circuit Technology Co.,Ltd. Address Room 601, No.6321 Bao'an Avenue, Qiaotou Community, Fuhai Street, Bao'an District, Shenzhen, China Test Location Room 106, Building 3, Letong Science Park, No. 500, Qiuyi Road, Binjiang District, Hangzhou Product Name WBR3 Antenna Product model WBR3 Antenna Type PCB Antenna Test Items Gain; Efficiency; Radiation Pattern Test Frequency 2400-2500MHz Test Standard ANSI/IEEE Std 149-1979 2 2. Test Configurations 2.1 Test Environment Temperature (°C) 25 Humidity (%RH) 60 Atmospheric Pressure (kPa) 100.5 2.2 Test Equipment Test System TEM 24 Multi-probe Microwave Chamber Test Instrument Agilent E5071B 2.3 Test Principle 3 3.Test Results 3.1 Gain and Efficiency Frequency (MHz) Peak Gain (dBi) Efficiency (%) 2400 1.62 52.29 2410 1.71 52.17 2420 1.93 53.14 2430 1.98 54.16 2440 2.00 57.62 2450 2.17 59.64 2460 2.45 61.55 2470 2.38 60.64 2480 2.54 62.86 2490 2.30 59.85 2500 2.49 60.41 4 3.2 Radiation Pattern Phi 0 2D Phi 90 2D 5 Theta 90 2D 2480MHz 3D 6 4. Antenna Dimensions 7 5. Test Setup Photo

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2BPSB-KH-2313 Test Report No. ............... : TCT250826E027 Date of issue ................... : Sep. 02, 2025 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory, Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Shenzhen Kimairay Technology Co., Ltd. Address ........................... : Factory Building No. 5101, Zone 2, Fuqiao Industrial Zone, Heping Community, Fuhai Subdistrict, Bao'an District, Shenzhen, China Manufacturer's name ... : Shenzhen Kimairay Technology Co., Ltd. Address ........................... : Factory Building No. 5101, Zone 2, Fuqiao Industrial Zone, Heping Community, Fuhai Subdistrict, Bao'an District, Shenzhen, China Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 FCC KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2020 Product Name ................. : Multifunctional Scalp Care Comb Trade Mark ...................... : kimairay Model/Type reference..... : KH-2313 Rating(s).......................... : Rechargeable Li-ion Battery DC 3.7V Date of receipt of test item ......................................... : Aug. 26, 2025 Date (s) of performance of test ................................... : Aug. 26, 2025 ~ Sep. 02, 2025 Tested by (+signature) ... : Yannie ZHONG Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT250826E027 Page 2 of 67 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 1.3. Operation Frequency ............................................................................................ 3 2. Test Result Summary .............................................................................. 4 3. General Information ................................................................................. 5 3.1. Test environment and mode ................................................................................. 5 3.2. Description of Support Units ................................................................................ 6 4. Facilities and Accreditations .................................................................. 7 4.1. Facilities ................................................................................................................. 7 4.2. Location ................................................................................................................. 7 5. Measurement Uncertainty ....................................................................... 7 6. Test Results and Measurement Data ..................................................... 8 6.1. Antenna requirement ............................................................................................ 8 6.2. Conducted Emission ............................................................................................. 9 6.3. Maximum Conducted (Peak) Output Power ...................................................... 13 6.4. Emission Bandwidth ........................................................................................... 14 6.5. Power Spectral Density ....................................................................................... 15 6.6. Conducted Band Edge and Spurious Emission Measurement ....................... 16 6.7. Radiated Spurious Emission Measurement ...................................................... 18 Appendix A: Test Result of Conducted Test Appendix B: Photographs of Test Setup Appendix C: Photographs of EUT Report No.: TCT250826E027 Page 3 of 67 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : Multifunctional Scalp Care Comb Model/Type reference........... : KH-2313 Sample Number....................: TCT250826E027-0101 Operation Frequency ........... : 2412MHz~2462MHz (802.11b/802.11g/802.11n(HT20)) Channel Separation ............. : 5MHz Number of Channel .............. : 11 for 802.11b/802.11g/802.11n(HT20) Modulation Technology ....... : 802.11b: Direct Sequence Spread Spectrum (DSSS) 802.11g/802.11n: Orthogonal Frequency Division Multiplexing (OFDM) Data speed ............................ : 802.11b: 1Mbps, 2Mbps, 5.5Mbps, 11Mbps 802.11g: 6Mbps, 9Mbps, 12Mbps, 18Mbps, 24Mbps, 36Mbps, 48Mbps, 54Mbps 802.11n: Up to 150Mbps Antenna Type ........................ : PCB Antenna Antenna Gain ........................ : 2.54dBi Rating(s)................................ : Rechargeable Li-ion Battery DC 3.7V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list None. 1.3. Operation Frequency For 802.11b/g/n(HT20) Channel Frequency Channel Frequency Channel Frequency Channel Frequency 1 2412MHz 4 2427MHz 7 2442MHz 10 2457MHz 2 2417MHz 5 2432MHz 8 2447MHz 11 2462MHz 3 2422MHz 6 2437MHz 9 2452MHz -- -- Note: In section 15.31(m), regards to the operating frequency range over 10 MHz, the Lowest fr…

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