2A66T-QI-KETOAIRKetoAir Breathalyzer

All rights reserved by Qi Diagnostics ltd User’s Manual Precaution 1. To ensure the accuracy of the measurement of the device, please fully charge the device before using it for the first time or after it has not been used for a long time. (It is estimated that it will take 1 hour to fill) 2. Please open the cover of the device before turning on the device. 3. Testing in an environment with obvious peculiar smell (such as fragrance, poor ventilation, etc.) will interfere with the accuracy of the equipment; please test in a well-ventilated and odor-free environment. 4. Please keep your mouth clean before use. The following conditions may affect the test results: eating snacks / brushing teeth / drinking alcohol or beverages / smoking / applying lipstick / spraying perfume. Instruction 1. Turn on the phone's Bluetooth, open the APP, and follow the APP prompts to bind the device. Note: Before connecting the new mobile phone, the user needs to unbind the old mobile phone to connect to the device. (Each device has an independent S/N) 2. Open the device cover and buckle down to install the mouthpiece. 3. Press the power button until the background light is on and emit a long beep sound. Note: When the device is turned on, the device will automatically turn on Bluetooth (the Bluetooth icon will keep flashing) until the connection is successful. After the connection is successful, the icon will always be displayed, and the user must press the switch button to enter the preheating mode. If it fails to connect to Bluetooth, the user can also press the switch button to enter the pre-heating state of "non-connected mode" for detection, and the Bluetooth icon will extinguish. If the user does not press the switch button, it will automatically shut down after 30 seconds. Note: If you need to shut down, press and hold the switch button for 3 seconds. *The outer loading bar shows the power status until the warm-up mode. All rights reserved by Qi Diagnostics ltd 4. The preheating time is 90 seconds, will keep flashing. When the preheating complete, there is a long beep sound. The following is the preheating cycle diagram. 5. After the preheating is completed, is always on. If the user presses the switch button to start the breath test, will extinguish. Note: If the user does not press the switch button, it will automatically shut down after 30 seconds 6. There will be an icon display during the breath test, and the blowing time will count down from 20 seconds. The user can start to blow, being careful not to wrap the vent. During the countdown of the last 5 seconds, the device will emit a beep sound every second. When the test is completed, the device will emit 2 beeps. 7. After the blowing is completed, the device starts to calculate the result, and the result will be displayed on the display in real time. If you need to test again, press the button to restart. Note: If the user does not press the switch button, it will automatically shut down after 30 seconds All rights reserved by Qi Diagnostics ltd Charging 1. When charging, you need to press the switch button to see the charging dynamic icon. The charging dynamic icon will remain on until the charging is completed. The LCD will display the battery level after charging if you unplug the Type-C charging cable. 2. Please use Type-C charging cable. (Please pay attention to use a suitable adapter when charging) Input: 5V/1A Temperature during charging: 0°C~45°C Charging time: about 1 hour The following is the battery charge percentage 90-100% 65-89% 45-64% 20-44% 0-19% 3. To ensure the accuracy of the measurement when using the device for the first time, please charge it for more than 1 hour before turning it on. Cleaning Equipment Cleaning 1. The main body of this equipment is not waterproof, please do not wash it with water. 2. If there is dust or stains, wipe the device with a clean dry cloth or a damp cloth that has been wrung out. 3. When cleaning, be sure to shut down the device and unplug the power adapter. 4. Do not use any detergent for cleaning. 5. Do not use disinfectants containing volatile substances such as alcohol for disinfection. Volatile substances such as alcohol will affect the equipment detection. Mouthpiece Cleaning 1. The mouthpiece part can be reused and can be detached and washed separately after use. 2. After washing with water or cleaning with a disinfectant, please put it in a cool place away from sun light to fully dry before installing it on the equipment. Storage All rights reserved by Qi Diagnostics ltd 1. Storage conditions: Temperature: -20°C~45°C Relative humidity: 45%-90%R.H. non-condensing Atmospheric pressure: (70.0 ~ 106.0) kpa 2. The cleaned equipment must be thoroughly dried and stored in an environment that meets the requirements. 3. Avoid the main body from falling and bumping during storage to avoid damage. 4. Avoid direct sunlight, store in a well-ventilated, non-corrosive gas, away from heating devices and flames. All rights reserved by Qi Diagnostics ltd Product parameter Equipment diagram: Product Name: KetoAir Ketone Breathalyzer Model: KetoAir - 01 Size: 2.32 x 2.05 x 12cm (W x D x H) (Equilateral hexagon) Weight: (Unknown) Shell Material: PC 940A (Polished high-gloss surface, fire-resistant HB) Mouthpiece Material: PP 3015 Food Grade Sensor Technology: High-precision acetone sensor Unit of measurement: PPM (Parts per million) Error Rate: ± 0.3 SD (0-40 ppm) Warm-Up Time: 90s Blowing Time: 20s Display: 27*9mm Blue STDN LCD Display Battery: Built-in rechargeable 210mAh LiPo battery Models: Bluetooth 5.2 BLE (BK3633 Dual Mode) Charging: IC CC -210mAh Input: 5V/1A Protector: Battery overcharge and over discharge protection Charging IC Standard：MicrOne, ME4057 The function definition of the buttons: Please refer to the instructions for use. The whole device has only one button, and its main function is to turn on, turn off and confirm to start blowing. Bluetooth function definition: Bluetooth is mainly used t…

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Qi Diagnostics Ltd. Model Confirmation Letter We, Qi Diagnostics Ltd. (Company name)certify the product: KetoAir BreathalyzerAnd item No.:KETOAIR-1，KETOAIR-1A, KETOAIR-1B, KETOAIR-1C, KETOAIR-1D, KETOAIR-1E, KETOAIR-1F, KETOAIR-1G, KETOAIR-1H, KETOAIR-1I, KETOAIR-1J, KETOAIR-1K, KETOAIR-1L, KETOAIR-1M, KETOAIR-1N, KETOAIR-1O, KETOAIR-1P, KETOAIR-1Q, KETOAIR-1R, KETOAIR-1S, KETOAIR-1T, KETOAIR-1U, KETOAIR-1V, KETOAIR-1W, KETOAIR-1X, KETOAIR-1Y, KETOAIR-1Z, KETOAIR-1.2A, KETOAIR-1.2B, KETOAIR-1.2C, KETOAIR-1.2D, KETOAIR-1.2E, KETOAIR-1.2F, KETOAIR-1.2G, KETOAIR-1.2H, KETOAIR-1.2I, KETOAIR-1.2J, KETOAIR-1.2K, KETOAIR-1.2L, KETOAIR-1.2M, KETOAIR-1.2N, KETOAIR-1.2O, KETOAIR-1.2P, KETOAIR-1.2Q, KETOAIR-1.2R, KETOAIR-1.2S, KETOAIR-1.2T, KETOAIR-1.2U, KETOAIR-1.2V, KETOAIR-1.2W, KETOAIR-1.2X, KETOAIR-1.2Y, KETOAIR-1.2Z, KETOAIR-1.3A, KETOAIR-1.3B, KETOAIR-1.3C, KETOAIR-1.3D, KETOAIR-1.3E, KETOAIR-1.4A, KETOAIR-1.4B, KETOAIR-1.4C, KETOAIR-1.4D, KETOAIR-1.4E, KETOAIR-1.5A, KETOAIR-1.5B, KETOAIR-1.5C, KETOAIR-1.5D, KETOAIR-1.5E, KETOAIR-1001A, KETOAIR-1001B, KETOAIR-1001C, KETOAIR-1001D, KETOAIR-1001E, KETOAIR-1001F, KETOAIR-1001G, KETOAIR-1001H, KETOAIR-1001I, KETOAIR-1001J, KETOAIR-1002A, KETOAIR-1002B, KETOAIR-1002C, KETOAIR-1002D, KETOAIR-1002E, KETOAIR-1002F, KETOAIR-1002G, KETOAIR-1002H, KETOAIR-1002I, KETOAIR-1002J, KETOAIR-1003A, KETOAIR-1003B, KETOAIR-1003C, KETOAIR-1003D, KETOAIR-1003E, KETOAIR-1003F, KETOAIR-1003G, KETOAIR-1003H, KETOAIR-1003I, KETOAIR-1003J, KETOAIR-1004A, KETOAIR-1004B, KETOAIR-1004C, KETOAIR-1004D, KETOAIR-1004E, KETOAIR-1004F, KETOAIR-1004G, KETOAIR-1004H, KETOAIR-1004I, KETOAIR-1004J, KETOAIR-1005A, KETOAIR-1005B, KETOAIR-1005C, KETOAIR-1005D, KETOAIR-1005E, KETOAIR-1005F, KETOAIR-1005G, KETOAIR-1005H, KETOAIR-1005I, KETOAIR-1005J, KETOAIR-1006A, KETOAIR-1006B, KETOAIR-1006C, KETOAIR-1006D, KETOAIR-1006E, KETOAIR-1006F, KETOAIR-1006G, KETOAIR-1006H, KETOAIR-1006I, KETOAIR-1006J, KETOAIR-1007A, KETOAIR-1007B, KETOAIR-1007C, KETOAIR-1007D, KETOAIR-1007E, KETOAIR-1007F, KETOAIR-1007G, KETOAIR-1007H, KETOAIR-1007I, KETOAIR-1007J, KETOAIR-1008A, KETOAIR-1008B, KETOAIR-1008C, KETOAIR-1008D, KETOAIR-1008E, KETOAIR-1008F, KETOAIR-1008G, KETOAIR-1008H, KETOAIR-1008I, KETOAIR-1008J, KETOAIR-1009A, KETOAIR-1009B, KETOAIR-1009C, KETOAIR-1009D, KETOAIR-1009E, KETOAIR-1009F, KETOAIR-1009G, KETOAIR-1009H, KETOAIR-1009I, KETOAIR-1009J, The ir electrical circuit design, layout, components used and internal wiring are identical, Only the Different colors, different nozzle styles, and different shell sizes is different. Signature: Company Name: Qi Diagnostics Ltd. Date:2022-7-19

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2022-7-27> Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID Model name 2A66T-QI-KETOAIR KETOAIR-1 For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Name/Title： Cheung Grover/Director Company: Qi Diagnostics Limited Address: 10/F, 20 Bute Street, Mongkok, Kowloon, Hong Kong, China Phone: (852) 31113369 Fax: E-Mail: [email protected]

Qi Diagnostics Limited 10/F, 20 Bute Street, Mongkok, Kowloon, Hong Kong, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2022-7-27 To whom it may concern: We, the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2A66T-QI-KETOAIR including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. By signing this application form, we agree to Eurofins’ current valid General Terms and Conditions (AGB),Testing and Certification Regulations (PZO) which can be viewed on following website www.eurofins.de/ee or retrieved on request. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Name/Title： Cheung Grover/Director Company: Qi Diagnostics Limited Address: 10/F, 20 Bute Street, Mongkok, Kowloon, Hong Kong, China Phone: (852) 31113369 Fax: E-Mail: [email protected]

FCC ID: 2A66T-QI-KETOAIR FCC ID: 2A66T-QI-KETOAIR

FCC ID: 2A66T-QI-KETOAIR

2A66T-QI-KETOAIR BT Antenna 2A66T-QI-KETOAIR

Page 1 of 2 RFExposureevaluation FCCID:2A66T-QI-KETOAIR 1.1.ApplicableStandard Accordingto§1.1307(b)(1),systemsoperatingundertheprovisionsofthissectionshallbeoperatedina mannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines. Accordingto§1.1310and§2.1093RFexposurerequirement KDB447498v06:MobileandPortableDevicesRFExposureProceduresandEquipmentAuthorization Policies 1.2.Requirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1StandaloneSARtest exclusionconsiderations:“UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures, standalone1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions, bymeasurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARTestExclusion Thresholdcondition,listedbelow,issatisfied.Thesetestexclusionconditionsarebasedonsource-based time-averagedmaximumconductedoutputpoweroftheRFchannelrequiringevaluation,adjustedfortune-up tolerance,andtheminimumtestseparationdistancerequiredfortheexposureconditions.22Theminimum testseparationdistanceisdeterminedbythesmallestdistancefromtheantennaandradiatingstructuresor outersurfaceofthedevice,accordingtothehostformfactor,exposureconditionsandplatformrequirements, toanypartofthebodyorextremityofauserorbystander(see5)ofsection4.1).ToqualifyforSARtest exclusion,thetestseparationdistancesappliedmustbefullyexplainedandjustifiedbytheoperating configurationsandexposureconditionsofthetransmitterandapplicablehostplatformrequirements,typically intheSARmeasurementorSARanalysisreport,accordingtotherequiredpublishedRFexposureKDB procedures.WhennootherRFexposuretestingorreportingisrequired,astatementofjustificationand compliancemustbeincludedintheequipmentapproval,inlieuoftheSARreport,toqualifyfortheSARtest exclusion.Whenrequired,thedevicespecificconditionsdescribedintheotherpublishedRFexposureKDB proceduresmustbesatisfiedbeforeapplyingtheseSARtestexclusionprovisions;forexample,handheldPTT two-wayradios,handsets,laptops&tabletsetc.23“ [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)] · [√f(GHz)] ≤3.0for1-gSARand≤7.5for10-gextremitySAR,where: •f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation •Theresultisroundedtoonedecimalplaceforcomparison • 3.0and7.5arereferredtoasthenumericthresholdsinthestep2below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis ≤ 50mmandfor transmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtestseparationdistanceis<5 mm,adistanceof5mmaccordingto5)insection4.1isappliedtodetermineSARtestexclusion. 1.3.Manufacturingtolerance GFSK(Peak) ChannelChannel00Channel19Channel39 Target(dBm)-7.0-7.0-7.0 Tolerance±(dB)1.01.01.0 2.EvaluationResult EvaluationResults Band/Modef(GHz) Antenna Distance (mm) RFoutputpower (includingtune-up tolerance) SARTest Exclusion Threshold SARTest Exclusion dBmmW BT2.4805-6.00.25110.079<3.0Yes Page 2 of 2 3.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1093fortheuncontrolledRFExposure andSARExclusionThresholdperKDB447498v06. .....................EndofReport.........................

FCC ID: 2A66T-QI-KETOAIR