2AW3Z-MAGNETICChihiros Magnetic stirrers

Shanghai Ogino Biotechnology Co., Ltd. 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – EquipmentType Company name: Shanghai Ogino Biotechnology Co., Ltd. Address: Rm.330, Bldg.3, No.2028, Jianshe Rd., Jianshe County, Chongming District, Shanghai, China Product Name: Chihiros Magnetic stirrers FCCID: 2AW3Z-MAGNETIC Model(s): Magnetic stirrers, Magnetic stirrers Pro, Magnetic stirrers Mate, Magnetic stirrers Max 2.911(d)(5)(i) EquipmentType We, [Shanghai Ogino Biotechnology Co., Ltd.] (“the applicant”) certify that the equipment for which authorization is sought through certification is not:  Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules.  Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: huancong Ma Date: Feb. 20, 2024 Title: Legal person Company name: Shanghai Ogino Biotechnology Co., Ltd. Signature: NOTE 1 “Covered List ”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Shanghai Ogino Biotechnology Co., Ltd. 2.911 (d)(5)(ii) Applicant Attestation v1.3 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: Shanghai Ogino Biotechnology Co., Ltd. Address: Rm.330, Bldg.3, No.2028, Jianshe Rd., Jianshe County, Chongming District, Shanghai, China Product Name: Chihiros Magnetic stirrers FCCID: 2AW3Z-MAGNETIC Model(s): Magnetic stirrers, Magnetic stirrers Pro, Magnetic stirrers Mate, Magnetic stirrers Max 2.911(d)(5)(ii) Applicant filing We, [Shanghai Ogino Biotechnology Co., Ltd.] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 , established pursuant to §1.50002 of this chapter, as an entity producing covered communications equipment. Yours sincerely, Name: huancong Ma Date: Feb. 20, 2024 Title: Legal person Company name: Shanghai Ogino Biotechnology Co., Ltd. Signature: NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List ”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Shanghai Ogino Biotechnology Co., Ltd. Agent Authorization Company: Shanghai Ogino Biotechnology Co., Ltd. Address: Rm.330, Bldg.3, No.2028, Jianshe Rd., Jianshe County, Chongming District, Shanghai, China Product Name: Chihiros Magnetic stirrers Model Number(s): Magnetic stirrers, Magnetic stirrers Pro, Magnetic stirrers Mate, Magnetic stirrers Max Product Description: Chihiros Magnetic stirrers We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: Feb. 20, 2024 Name: huancong Ma Title: Legal person Company: Shanghai Ogino Biotechnology Co., Ltd.

Shanghai Ogino Biotechnology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Feb. 20, 2024 Subject; Request for Confidentiality FCC ID: 2AW3Z-MAGNETIC To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: huancong Ma Title: Legal person

Shanghai Ogino Biotechnology Co., Ltd. Model Difference Declaration To Whom It May Concern, We, Shanghai Ogino Biotechnology Co., Ltd. (Chihiros Magnetic stirrers); Trade Mark: Chihiros Aquatic Studio; Model Number: Magnetic stirrers, Magnetic stirrers Pro, Magnetic stirrers Mate, Magnetic stirrers Max; All model's the function, software and electric circuit are the same, only with product model named different. Test sample model: Magnetic stirrers. Please contact me if you have any question. Signature: Date: Feb. 20, 2024 Name: huancong Ma Title: Legal person

Annex A External Photos Report Number: HK2401260576-E Page 1 of 4 Report Number: HK2401260576-E Page 2 of 4 Report Number: HK2401260576-E Page 3 of 4 Report Number: HK2401260576-E Page 4 of 4

FCC ID LABEL: Ca. 30mm x 80mm Label Location FCC ID: 2AW3Z-MAGNETIC

MPE ESTIMATION FCC ID: 2AW3Z-MAGNETIC 1, Limit for General Population/ Uncontrolled Exposures Frequency Power density (mW/ cm 2 ) Averaging time(minutes) 300MHz----1.5GHz F/1500 30 1.5GHz---100GHz 1.0 30 Note: F= Frequency in MHz 2, Estimation Result Max PK Output power(dBm) Tune Up Power(dBm) Max Tune Up power(mW) Antenna Gain(dBi) Antenna Gain (numerical) MPE (mW/cm²) BLE 7.61 7±1(8) 6.310 -0.58 0.87 0.00110 Note: Note: The estimation distance is 20cm Note: PK Output power= conducted power. Conducted power see the test report HK2401260576-E, antenna gain= -0.58dBi When the minimum test separation distance is >20 cm, a distance of 20 cm is applied to determine RF Exposure test exclusion. The test exclusion threshold is 0.00110mW/cm² which is< 1.0mW/cm², RF Exposure testing is not required. -------The End-------

Inverted F Antenna Specification Summary ITEMANT SPEC Model Name 2.4G ANT Center Frequency HorizontalVertical 2400MHz 2450MHz2500MHz2400MHz2450MHz 2500MHz -1.26-0.76-0.58-5.25-2.46-1.86 MAX. Gain -0.58dB PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Antenna Photo & Length (mm) Antenna Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Frequency (MHz) Gain(dB) 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 Frequency (MHz) Gain(dB) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432

Page 1 of 44 Report No.: HK2401260576-E FCC Test Report Test Report On Behalf of Shanghai Ogino Biotechnology Co., Ltd. For Chihiros Magnetic stirrers Model No.: Magnetic stirrers, Magnetic stirrers Pro, Magnetic stirrers Mate, Magnetic stirrers Max FCC ID: 2AW3Z-MAGNETIC Prepared For: Shanghai Ogino Biotechnology Co., Ltd. Rm.330, Bldg.3, No.2028, Jianshe Rd., Jianshe County, Chongming District, Shanghai, China Prepared By: Shenzhen HUAK Testing Technology Co., Ltd. 1-2/F., Building B2, Junfeng Zhongcheng Zhizao Innovation Park, Heping, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Date of Test: Jan. 26, 2024 ~ Feb. 02, 2024 Date of Report: Feb. 18, 2024 Report Number: HK2401260576-E Page 2 of 44 Report No.: HK2401260576-E Test Result Certification Applicant’s Name ................... : Shanghai Ogino Biotechnology Co., Ltd. Address .................................... : Rm.330, Bldg.3, No.2028, Jianshe Rd., Jianshe County, Chongming District, Shanghai, China Manufacturer's Name ............. : Shanghai Ogino Biotechnology Co., Ltd. CIXI branch Address .................................... : Room 1-1, Building 7, No. 598, Gaoke Avenue, Cixi High-tech Industrial Development Zone, Zhejiang Province, China Product Description Trade Mark ................................. : Chihiros Aquatic Studio Product Name ............................ : Chihiros Magnetic stirrers Model and/or Type Reference .. : Magnetic stirrers, Magnetic stirrers Pro, Magnetic stirrers Mate, Magnetic stirrers Max Standards ................................ : 47 CFR FCC Part 15 Subpart C 15.247 KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test .............................................. : Date (s) of Performance of Tests ............... : Jan. 26, 2024 ~ Feb. 02, 2024 Date of Issue ............................................. : Feb. 18, 2024 Test Result ................................................. : Pass Testing Engineer Len Liao Technical Manager Sliver Wan Authorized Signatory Jason Zhou Page 3 of 44 Report No.: HK2401260576-E Contents Page 1 Test Summary ................................................................................................................................................ 5 1.1 Test Description ......................................................................................................................................... 5 1.2 Measurement Uncertainty ......................................................................................................................... 6 1.3 Information of the Test Laboratory ............................................................................................................ 6 2 General Information ....................................................................................................................................... 7 2.1 General Description of EUT ...................................................................................................................... 7 2.2 Description of Test Conditions .................................................................................................................. 9 2.3 Description of Test Setup ........................................................................................................................ 10 2.4 Description of Support Units .................................................................................................................... 11 3 Equipments List for All Test Items ............................................................................................................. 12 4 Test Result .................................................................................................................................................... 14 4.1 Antenna Requirement.............................................................................................................................. 14 4.2 Conduction Emissions Measurement ...................................................................................................... 15 4.3 Radiated Emissions Measurement .......................................................................................................... 19 4.4 Maximum Output Power Measurement ................................................................................................... 28 4.5 Power Spectral Density ........................................................................................................................... 29 4.6 6dB Bandwidth ........................................................................................................................................ 32 4.7 Occupied Bandwidth ................................................................................................................................ 35 4.8 Band Edge ............................................................................................................................................... 36 4.9 Conducted Spurious Emissions .............................................................................................................. 38 5 Test Setup Photos ....................................................................................................................................... 42 6 Photos of the EUT ........................................................................................................................................ 44 Page 4 of 44 Report No.: HK2401260576-E ** Modified History ** Revision Description Issued Data Remark …

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Report No.: HK2401260576-E Radiated Emission Report No.: HK2401260576-E Conducted Emission