2BXVO-BY-80-HICE BATH CHILLER

Ice
bath
chiller User
Manual Guangzhou
Femang
Technology
Co.,
Ltd. Technology
Service
Quality Guangzhou
Femang
Technology
Co.,
Ltd.Guangzhou
Femang
Technology
Co.,
Ltd. ADD:Room
301,
No.
9,
East
Sheng
3rd
Cross
Road,
Dalong
Street,
Panyu
District,
Guangzhou
City,
Guangdong
Province,
P.R.China E-MAIL:[email protected] TEL:400-880-1031 （Dual temperature） Product Manual Dear Customer: Thank you for purchasing products from Guangzhou Fengmang Technology Co., Ltd. Please read the instruction manual carefully before use and keep it safe. This instruction manual is not a warranty. Corrections to printing errors, errata regarding stated information, and product improvements are the responsibility of Guangzhou Fengmang Technology Co., Ltd., and will be explained at any time without prior notice. Revised content will be included in subsequent editions of the instruction manual.Copyright reserved. All rights reserved. Content subject to change without notice. Use safely and in accordance with regulations. To prevent personal injury and product damage, please strictly adhere to safety regulations.Improper operation due to neglecting safety regulations will result in personal injury and product damage. Please refer to the following instructions: 1 Safety Precautions Product Manual Please ensure that the power outlet has good contact and that the ground wire is reliably grounded! Do not use outside of the technical requirements; Its use in explosive gases is strictly prohibited. The machine contains compressed gas, which poses an explosion hazard. Do not attempt to disassemble it yourself. Relevant laws and regulations must be complied with; In case of a refrigerant leak:1. Ensure good ventilation (risk of suffocation);2. Avoid skin contact (risk of frostbite); If an abnormality occurs, stop operation immediately, investigate the cause, and take appropriate action. It is prohibited to use in high temperature (ambient temperature above 45°C), humid (with condensation), extremely dusty, large amounts of water vapor, liquid mist and special gases; Do not place heavy objects on the product; Do not splash water or get wet in the rain; Do not put your fingers or foreign objects inside the machine; It contains electrically charged, moving, and high-temperature components; disassembly of the outer casing for operation is prohibited. Table of contents 2 Operating Precautions 3 Operation, maintenance and upkeep matters I.Component Introduction...............................................1 II. Installation Instructions..........................................2-3 III. Operating Status and Parameter Adjustment.........3-5 IV. Control and Wireless Connection.........................6-11 V. Technical Parameters...............................................12 VI. Basic Fault Handling..........................................13-14 Product ManualProduct Manual Please use clean water/purified water/food-grade antifreeze. Do not add salt, seawater, or chlorine-containing liquids. Please ensure that the operating voltage of the chiller is stable and normal! A mismatch in power frequency can damage the machine! Please use it safely according to the actual situation. Please ensure that the air intake and exhaust channels of the chiller are unobstructed!The air outlet at the rear of the chiller should be at least 80cm away from any obstructions, and the air inlet at the front should be at least 20cm away from any obstructions. Operating without water is strictly prohibited, as it will damage the machine. Because the machine has a built-in frequent start protection, there will be a delay when the compressor restarts after it has stopped for a period of time. The dust filter must be removed and cleaned regularly; severe blockage can cause chiller malfunctions.Regular cleaning helps maintain the chiller's heat dissipation capacity and saves energy. Please be aware of the impact of condensation!When the water temperature is lower than the ambient temperature and the ambient humidity is high, condensation will form on the circulating water pipes and the surfaces of the devices being cooled. In such cases, ensure proper insulation of the connecting pipes. FCC Warning Statement..........................................15-16 1 Component Introduction 2 Installation Instructions Thermostat Power button Inlet 1 2 Outlet Filter Product ManualProduct Manual The ice bath chiller is easy to install and use. For first-time use of a new machine, please follow these steps: 1. Open the packaging and check if the machine is intact and if all accessories are included. 2. Install the filter onto the ice bath chiller's water inlet (use Teflon tape to seal the connection, paying attention to the arrow direction on the filter body). Precautions for use: (1) The water level in the bathtub must be higher than the equipment's inlet, and the equipment must not be placed higher than the bathtub. (2) The water inlet pipe of the ice bath machine must be placed close to the ground and must not be raised, otherwise it will prevent normal water intake. 4. Connect the water inlet and outlet pipes according to the equipment specifications. Connect the power supply and turn on the power switch.(Never turn on the machine without water.) 2 Installation Instructions 3 Operating status and parameter adjustment 3 4 Product ManualProduct Manual (1) After turning on the power switch, the chiller's circulating pump will start working. When a new machine is started for the first time, there will be a lot of air bubbles in the pipeline, which may cause the machine to occasionally alarm for flow. After running for a few minutes, it will return to normal. (2) After the first power-on, you must immediately check the water pipes for leaks. (3) After turning on the power, if the water temperature is lower than the set temperature, the machine's fan and other components will not work, which is normal. The thermostat will automatically control the working status of the co…

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2.911(d)(5)(i)EquipmentTypeAttestationv1.2 GuangzhouFengmangTechnologyCo.,Ltd. Section2.911(d)(5)(i)Certification–EquipmentType Companyname:GuangzhouFengmangTechnologyCo.,Ltd. Address:Room301,No.9,Dongsheng3rdCrossRoad,DalongSubdistrict,PanyuDistrict, GuangzhouCity ProductName:ICEBATHCHILLER FCCID:2BXVO-BY-80-H Model(s):BY-25-H,BY-15-H,BY-35-H,BY-50-H,BY-80-H 2.911(d)(5)(i)EquipmentType We,[GuangzhouFengmangTechnologyCo.,Ltd.](“theapplicant”)certifythattheequipmentfor whichauthorizationissoughtthroughcertificationisnot: Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules. Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:JIEXINGLINDate:Sep.09,2026 TitleandCompanyname:Manager;GuangzhouFengmangTechnologyCo.,Ltd. NOTE1 “CoveredList ” ;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

2.911(d)(5)(ii)ApplicantAttestationv1.2 GuangzhouFengmangTechnologyCo.,Ltd. Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:GuangzhouFengmangTechnologyCo.,Ltd. Address:Room301,No.9,Dongsheng3rdCrossRoad,DalongSubdistrict,PanyuDistrict, GuangzhouCity ProductName:ICEBATHCHILLER FCCID:2BXVO-BY-80-H Model(s):BY-25-H,BY-15-H,BY-35-H,BY-50-H,BY-80-H 2.911(d)(5)(ii)Applicantfiling We,[GuangzhouFengmangTechnologyCo.,Ltd.](“theapplicant”)certifythat,asofthedateofthe filingoftheapplication,theapplicantisnotidentified NOTE1 onthe“CoveredList” NOTE2 ,established pursuantto§1.50002ofthischapter,asanentityproducingcoveredcommunicationsequipment. Yourssincerely, Name:JIEXINGLINDate:Sep.09,2026 TitleandCompanyname:Manager;GuangzhouFengmangTechnologyCo.,Ltd. NOTE1 Deleteoptionnotapplicabletothisapplication. NOTE2 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Guangzhou Fengmang Technology Co., Ltd. Section 2.911(d)(7) USAAgent for Service of Process Co mpany name: Guangzhou Fcngmang Technology Co., Ltd. Address: Room 30 1, No. 9, Donoshcng Third Cross Road, Dalong Stroot, Panyu District, Guangzhou, Guangdo 叩Province, China Product Name: ICE BATH CHILLER FCC ID:28双O-BY-80-H Model(s): BY-15-H, BY-25-H, BY-35-H, BY-50-H, BY-80-H 2.911 ( d)(7) USA Designated Agent for Service of Process We, [ Guangzhou Fcngmang Technolog y Co., Ltd,] designate [MIRAMONT SOLUTIONS LLC] No re, for the purpose of accepting service of process on behalf of the applicant. A pplicant co nsent: We acknowledge our consent to accept service of process In the United States for matters related to the applicable equipment, and at the physical U.S. address and email address of the designated agent and acknowledge our acceptance of our obligation to maintain an agent for service of process in the United States for no less than one year after either we the grantee have permanently terminated all marketing and Importation of the applicable equipment wi thin the U.S., or at the conclusion of any Commission.『elated administrative or judicial proceeding involving the equipment, whichever Is later. Agent obligation: We acknowledge our obligation to accept service of prqcess In the United States for matters related to the applicable equipment at our physical U.S. address and email address for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or at the conclusion of any Commission-related administrative or judicial proceeding Involving the equipment, wh ichever Is later. USA Agent Applicant Company name: MIRAMONT SOLUTIONS LLC Company name: Guangzhou Fcngmang Technolog y USA Address: 19 GEORGETOWN, IRVINE, CA co., Ltd. 92612 United States Address: Room 301, No. 9, Dongsheng Third Cross FRN Number: 0036313369 Road, Dalo叩Street,Panyu Dlstrtct, Guangzhou, Contact Name: Wenyi Wang Guangdong Provlnco, China Telephone No: 951 401 3633 FRN1 003881686-4 Email: [email protected] FCC Grantee Code:-2BXVO 巴ea已，了 rJJ 1 Contact Name: JIEXING LIN Telephone No: +86136097 46178 Email: [email protected] 心ure：如吵 ＇ ＂ Trtle: MANAGER Date: 2026.9.4 NOTE 1: An applicant located In the United States may designate Itself as the agent for service o r process. 邸ere心；F的叩IR匀＂旧心叩如2022-282113publl虾edon位础3 :/lwwwJ 叫IIer1叨· 2in · ams a lonal- h·仇由内·伦内tmmun访即i·,VPP1伈h? ＇ n·th『四屯 2.911 (d)(7)US^＾暴m``V1.5

GuangzhouFengmangTechnologyCo.,Ltd. AgentAuthorization Company:GuangzhouFengmangTechnologyCo.,Ltd. Address:Room301,No.9,Dongsheng3rdCrossRoad,DalongSubdistrict,Panyu District, GuangzhouCity ProductName:ICEBATHCHILLER ModelNumber(s):BY-25-H,BY-15-H,BY-35-H,BY-50-H,BY-80-H ProductDescription:ICEBATHCHILLER WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:Sep.09,2026 Name:JIEXINGLIN Title:Manager Company:GuangzhouFengmangTechnologyCo.,Ltd.

GuangzhouFengmangTechnologyCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:Sep.09,2026 Subject;RequestforLongTermConfidentiality FCCID:2BXVO-BY-80-H ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,weare requestingtheCommissiontowithholdthefollowingattachment(s)asconfidentialdocumentsfrom publicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredasproprietary informationinoperationoftheequipment.Thepublicdisclosureofthesedocumentsmightbeharmfulto ourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatandcorrespondenceduring thecertificationreviewprocesscannotbegrantedasconfidentialdocumentsandthisinformationwillbe availableforpublicreviewoncethegrantofequipmentauthorizationisissued. Sincerely, Signature: Name:JIEXINGLIN Title:Manager

GuangzhouFengmangTechnologyCo.,Ltd. ModelDifferenceDeclaration ToWhomItMayConcern, We,GuangzhouFengmangTechnologyCo.,Ltd. Productname:ICEBATHCHILLER Tradename:N/A Modelname:BY-25-H,BY-15-H,BY-35-H,BY-50-H,BY-80-H Allmodel ’ sthefunction,softwareandelectriccircuitarethesame,onlywitha productcolor,Coolingcapacity,Heatingcapacity,netweight, ProductDimensions,Watervolumeandcoolingtimeandmodelnamed different.Testsamplemodel:BY-80-H Pleasecontactmeifyouhaveanyquestion. Name:JIEXINGLIN Date:Sep.17,2026 Title:Manager Signatureofapplicant:

LabelandLocation FCCID:2BXVO-BY-80-H

PCB antenna

FCCID:2BXVO-BY-80-H TestRequirement Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactof humanexposuretoradiofrequency(RF)radiationasspecifiedin1.1307(b),LimitsforMaximum PermissibleExposure(MPE), Frequencyrange (MHz) Electricfield strength(V/m) Magneticfield strength(A/m) Powerdensity (mW/cm 2 ) Averagingtime (minutes) (A)LimitsforOccupational/ControlledExposures 0.3–3.06141.63*(100)6 3.0–301842/f4.89/f*(900/f 2 )6 30–30061.40.1631.06 300–1500--f/3006 1500–100,000--56 (B)LimitsforGeneralPopulation/UncontrolledExposure 0.3–1.346141.63*(100)30 1.34–30824/f2.19/f*(180/f 2 )30 30–30027.50.0730.230 300–1500--f/150030 1500–100,000--1.030 Note:f=frequencyinMHz EVALUATIONMETHOD Transmissionformula:Pd=(Pout*G)/(4*pi*r 2 ) Where Pd=powerdensityinmW/cm 2 ,Pout=outputpowertoantennainmW,G=gainofantennain linearscale; Pi=3.1416,R=distancebetweenobservationpointandcenteroftheradiatorincm AssessmentResult PassedNotApplicable 2.4GWIFI: Frequency (MHz) TypeTotalPower(dBm) Maximum Tune-up(dBm) PowerDensity (mW/cm2) Limit (mW/cm2) Result 802.11b 2437 2.4GWIFI12.30612.50.0063531.0000Pass AntennaGain:2.54dBi Note:PKOutputPower(dBm)=Readingresult(dBμV/m)-95.2 ReadingresultseethetestreportUNIA26070810ER-61 BLE: Frequency (MHz) Type Reading Result (dBμV/m) TotalPower (dBm) Maximum Tune-up (dBm) Power Density (mW/cm2) Limit (mW/cm2) Result GFSK 2440 BLE1M 98.14 2.9430.0007131.0000Pass AntennaGain:2.54dBi Note:PKOutputPower(dBm)=Readingresult(dBμV/m)-95.2 ReadingresultseethetestreportUNIA26070810ER-61 Note(1):Theexposureevaluationsafetydistanceis20cm. ------TheEnd------

Page 1 of 38 Report No.: UNIA26051908ER-62 2.4G WIFI RF test data Page 2 of 38 Report No.: UNIA26051908ER-62 Duty Cycle Condition Mode Frequency (MHz) Duty Cycle (%) Correction Factor (dB) NVNT 802.11b 2412 99.2 0 NVNT 802.11b 2437 99.2 0 NVNT 802.11b 2462 99.9 0 NVNT 802.11g 2412 90.91 0.41 NVNT 802.11g 2437 90.91 0.41 NVNT 802.11g 2462 95.45 0.2 NVNT 802.11n(HT20) 2412 92.68 0.33 NVNT 802.11n(HT20) 2437 92.68 0.33 NVNT 802.11n(HT20) 2462 92.68 0.33 Duty Cycle NVNT 802.11b 2412MHz Page 3 of 38 Report No.: UNIA26051908ER-62 Duty Cycle NVNT 802.11b 2437MHz Duty Cycle NVNT 802.11b 2462MHz Page 4 of 38 Report No.: UNIA26051908ER-62 Duty Cycle NVNT 802.11g 2412MHz Duty Cycle NVNT 802.11g 2437MHz Page 5 of 38 Report No.: UNIA26051908ER-62 Duty Cycle NVNT 802.11g 2462MHz Duty Cycle NVNT 802.11n(HT20) 2412MHz Page 6 of 38 Report No.: UNIA26051908ER-62 Duty Cycle NVNT 802.11n(HT20) 2437MHz Duty Cycle NVNT 802.11n(HT20) 2462MHz Page 7 of 38 Report No.: UNIA26051908ER-62 Maximum Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Duty Factor (dB) Total Power (dBm) Limit (dBm) Verdict NVNT 802.11b 2412 Ant 1 11.926 0 11.926 30 Pass NVNT 802.11b 2437 Ant 1 12.306 0 12.306 30 Pass NVNT 802.11b 2462 Ant 1 12.293 0 12.293 30 Pass NVNT 802.11g 2412 Ant 1 8.88 0.41 9.29 30 Pass NVNT 802.11g 2437 Ant 1 9.019 0.41 9.429 30 Pass NVNT 802.11g 2462 Ant 1 9.213 0.2 9.413 30 Pass NVNT 802.11n(HT20) 2412 Ant 1 8.944 0.33 9.274 30 Pass NVNT 802.11n(HT20) 2437 Ant 1 8.955 0.33 9.285 30 Pass NVNT 802.11n(HT20) 2462 Ant 1 9.175 0.33 9.505 30 Pass Power NVNT 802.11b 2412MHz Ant1 Page 8 of 38 Report No.: UNIA26051908ER-62 Power NVNT 802.11b 2437MHz Ant1 Power NVNT 802.11b 2462MHz Ant1 Page 9 of 38 Report No.: UNIA26051908ER-62 Power NVNT 802.11g 2412MHz Ant1 Power NVNT 802.11g 2437MHz Ant1 Page 10 of 38 Report No.: UNIA26051908ER-62 Power NVNT 802.11g 2462MHz Ant1 Power NVNT 802.11n(HT20) 2412MHz Ant1 Page 11 of 38 Report No.: UNIA26051908ER-62 Power NVNT 802.11n(HT20) 2437MHz Ant1 Power NVNT 802.11n(HT20) 2462MHz Ant1 Page 12 of 38 Report No.: UNIA26051908ER-62 -6 dB Bandwidth Condition Mode Frequency (MHz) Antenna -6 dB Bandwidth (MHz) Limit -6 dB Bandwidth (MHz) Verdict NVNT 802.11b 2412 Ant 1 9.170 0.5 Pass NVNT 802.11b 2437 Ant 1 9.167 0.5 Pass NVNT 802.11b 2462 Ant 1 9.169 0.5 Pass NVNT 802.11g 2412 Ant 1 16.35 0.5 Pass NVNT 802.11g 2437 Ant 1 16.21 0.5 Pass NVNT 802.11g 2462 Ant 1 16.42 0.5 Pass NVNT 802.11n(HT20) 2412 Ant 1 17.68 0.5 Pass NVNT 802.11n(HT20) 2437 Ant 1 17.61 0.5 Pass NVNT 802.11n(HT20) 2462 Ant 1 17.57 0.5 Pass -6 dB Bandwidth NVNT 802.11b 2412MHz Ant1 Page 13 of 38 Report No.: UNIA26051908ER-62 -6 dB Bandwidth NVNT 802.11b 2437MHz Ant1 -6 dB Bandwidth NVNT 802.11b 2462MHz Ant1 Page 14 of 38 Report No.: UNIA26051908ER-62 -6 dB Bandwidth NVNT 802.11g 2412MHz Ant1 -6 dB Bandwidth NVNT 802.11g 2437MHz Ant1 Page 15 of 38 Report No.: UNIA26051908ER-62 -6 dB Bandwidth NVNT 802.11g 2462MHz Ant1 -6 dB Bandwidth NVNT 802.11n(HT20) 2412MHz Ant1 Page 16 of 38 Report No.: UNIA26051908ER-62 -6 dB Bandwidth NVNT 802.11n(HT20) 2437MHz Ant1 -6 dB Bandwidth NVNT 802.11n(HT20) 2462MHz Ant1 Page 17 of 38 Report No.: UNIA26051908ER-62 Maximum Power Spectral Density Level Condition Mode Frequency (MHz) Antenna Conducted PSD (dBm/3kHz) Duty Factor (dB) Total PSD (dBm/3kHz) Limit (dBm/3kHz) Verdict NVNT 802.11b 2412 Ant 1 -10.826 0 -10.826 8 Pass NVNT 802.11b 2437 Ant 1 -14.864 0 -14.864 8 Pass NVNT 802.11b 2462 Ant 1 -14.492 0 -14.492 8 Pass NVNT 802.11g 2412 Ant 1 -21.807 0.41 -21.397 8 Pass NVNT 802.11g 2437 Ant 1 -22.098 0.41 -21.688 8 Pass NVNT 802.11g 2462 Ant 1 -21.909 0.2 -21.709 8 Pass NVNT 802.11n(HT20) 2412 Ant 1 -21.3 0.33 -20.97 8 Pass NVNT 802.11n(HT20) 2437 Ant 1 -20.394 0.33 -20.064 8 Pass NVNT 802.11n(HT20) 2462 Ant 1 -21.447 0.33 -21.117 8 Pass PSD NVNT 802.11b 2412MHz Ant1 Page 18 of 38 Report No.: UNIA26051908ER-62 PSD NVNT 802.11b 2437MHz Ant1 PSD NVNT 802.11b 2462MHz Ant1 Page 19 of 38 Report No.: UNIA26051908ER-62 PSD NVNT 802.11g 2412MHz Ant1 PSD NVNT 802.11g 2437MHz Ant1 Page 20 of 38 Report No.: UNIA26051908ER-62 PSD NVNT 802.11g 2462MHz Ant1 PSD NVNT 802.11n(HT20) 2412MHz Ant1 Page 21 of 38 Report No.: UNIA26051908ER-62 PSD NVNT 802.11n(HT20) 2437MHz Ant1 PSD NVNT 802.11n(HT20) 2462MHz Ant1 Page 22 of 38 Report No.: UNIA26051908ER-62 Band Edge Condition Mode Frequency (MHz) Antenna Max Value (dBc) Limit (dBc) Verdict NVNT 802.11b 2412 Ant 1 -49.848 -30 Pass NVNT 802.11b 2462 Ant 1 -57.718 -30 Pass NVNT 802.11g 2412 Ant 1 -36.946 -30 Pass NVNT 802.11g 2462 Ant 1 -49.608 -30 Pass NVNT 802.11n(HT20) 2412 Ant 1 -33.209 -30 Pass NVNT 802.11n(HT20) 2462 Ant 1 -50.21 -30 Pass Band Edge NVNT 802.11b 2412MHz Ant1 Ref Page 23 of 38 Report No.: UNIA26051908ER-62 Band Edge NVNT 802.11b 2412MHz Ant1 Emission Band Edge NVNT 802.11b 2462MHz Ant1 Ref Page 24 of 38 Report No.: UNIA26051908ER-62 Band Edge NVNT 802.11b 2462MHz Ant1 Emission Band Edge NVNT 802.11g 2412MHz Ant1 Ref Page 25 of 38 Report No.: UNIA26051908ER-62 Band Edge NVNT 802.11g 2412MHz Ant1 Emission Band Edge NVNT 802.11g 2462MHz Ant1 Ref Page 26 of 38 Report No.: UNIA26051908ER-62 Band Edge NVNT 802.11g 2462MHz Ant1 Emission Band Edge NVNT 802.11n(HT20) 2412MHz Ant1 Ref Page 27 of 38 Report No.: UNIA26051908ER-62 Band Edge NVNT 802.11n(HT20) 2412MHz Ant1 Emission Band Edge NVNT 802.11n(HT20) 2462MHz Ant1 Ref Page 28 of 38 Report No.: UNIA26051908ER-62 Band Edge NVNT 802.11n(HT20) 2462MHz Ant1 Emission Page 29 of 38 Report No.: UNIA26051908ER-62 Conducted RF Spurious Emission Condition Mode Frequency (MHz) Antenna Max Value (dBc) Limit (dBc) Verdict NVNT 802.11b 2412 Ant 1 -41.085 -30 Pass NVNT 802.11b 2437 Ant 1 -41.019 -30 Pass NVNT 802.11b 2462 Ant 1 -41.132 -30 Pass NVNT 802.11g 2412 Ant 1 -35.265 -30 Pass NVNT 802.11g 2437 Ant 1 -34.995 -30 Pass NVNT 802.11g 2462 Ant 1 -36.299 -30 Pass NVNT 802.11n(HT20) 2412 Ant 1 -36.13 -30 Pass NVNT 802.11n(HT20) 2437 Ant 1 -35.839 -30 Pass NVNT 802.11n(HT20) 2462 Ant …

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Page 1 of 46 Report No.: UNIA26051908ER-62 FCC RADIO TEST REPORT FCC ID:2BXVO-BY-80-H Sample : ICE BATH CHILLER Trade Mark : N/A Main Model : BY-80-H Additional Model : BY-15-H, BY-35-H, BY-50-H, BY-25-H Report No. : UNIA26051908ER-62 Prepared for Guangzhou Fengmang Technology Co., Ltd. Room 301, No. 9, Dongsheng 3rd Cross Road, Dalong Subdistrict, Panyu District, Guangzhou City Prepared by Shenzhen United Testing Technology Co., Ltd. D101&D401, No. 107, Kaicheng High-Tech Park, Taoyuan Community, Dalang Sub-District, Longhua District, Shenzhen, Guangdong, China Page 2 of 46 Report No.: UNIA26051908ER-62 TEST RESULT CERTIFICATION Applicant .................................... : Guangzhou Fengmang Technology Co., Ltd. Address ....................................... : Room 301, No. 9, Dongsheng 3rd Cross Road, Dalong Subdistrict, Panyu District, Guangzhou City Manufacturer ............................. : Guangzhou Fengmang Technology Co., Ltd. Address ....................................... : Room 301, No. 9, Dongsheng 3rd Cross Road, Dalong Subdistrict, Panyu District, Guangzhou City Product description Product ........................................ : ICE BATH CHILLER Trade Mark .................................. : N/A Model Name ................................ : BY-80-H, BY-15-H, BY-35-H, BY-50-H, BY-25-H Test Methods ............................. : FCC Rules and Regulations Part 15 Subpart C Section 15.247 ANSI C63.10: 2020 This device described above has been tested by Shenzhen United Testing Technology Co., Ltd., and the test results show that the equipment under test (EUT) is in compliance with the FC C requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval, this document may be altered or revised by Shenzhen United Testing Technology Co., Ltd., personnel only, and shall be noted in the revision of the document. Date of Test Date (s) of performance of tests .................... : Aug. 06, 2026 ~ Aug. 20, 2026 Date of Issue .................................................. : Sep. 09, 2026 Test Result ...................................................... : Pass Edited by: Abe Yang Reviewed by: Kelly Cheng Approved by: Liuze Page 3 of 46 Report No.: UNIA26051908ER-62 Table of Contents Page 1 TEST SUMMARY 5 1.1 TEST PROCEDURES AND RESULTS 5 1.2 TEST FACILITY 6 1.3 MEASUREMENT UNCERTAINTY 7 1.4 ENVIRONMENTAL CONDITIONS 7 2 GENERAL INFORMATION 8 2.1 GENERAL DESCRIPTION OF EUT 8 2.2 CARRIER FREQUENCY OF CHANNELS 9 2.3 TEST MODE 9 2.4 DESCRIPTION OF THE TEST MODES 9 2.5 TEST SETUP 10 2.6 EQUIPMENT USED IN TESTED SYSTEM 10 2.7 MEASUREMENT INSTRUMENTS LIST 11 3 CONDUCTED EMISSION 13 3.1 TEST LIMIT 13 3.2 TEST SETUP 13 3.3 TEST PROCEDURE 14 3.4 TEST RESULT 14 3.5 TEST LIMIT 17 3.6 TEST SETUP 18 3.7 TEST PROCEDURE 19 3.8 TEST RESULT 19 4 6dB OCCUPIED BANDWIDTH 37 4.1 TEST LIMIT 37 4.2 TEST PROCEDURE 37 4.3 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) 37 4.4 MEASUREMENT EQUIPMENT USED 37 4.5 TEST RESULT 37 5 POWER SPECTRAL DENSITY 38 5.1 TEST LIMIT 38 5.2 TEST PROCEDURE 38 5.3 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) 38 5.4 EQUIPMENT USED 39 5.5 TEST RESULT 39 6 AVERAGE OUTPUT POWER 40 Page 4 of 46 Report No.: UNIA26051908ER-62 Table of Contents Page 6.1 TEST LIMIT 40 6.2 TEST PROCEDURE 40 6.3 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) 40 6.4 EQUIPMENT USED 41 6.5 TEST RESULT 41 7 OUT OF BAND EMISSIONS 42 7.1 TEST LIMIT 42 7.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) 42 7.3 TEST PROCEDURE 42 7.4 MEASUREMENT EQUIPMENT USED 42 7.5 TEST RESULT 42 8 ANTENNA REQUIREMENT 43 9 PHOTO OF TEST 44 10 EUT Constructional Details 46 Page 5 of 46 Report No.: UNIA26051908ER-62 1 TEST SUMMARY 1.1 TEST PROCEDURES AND RESULTS Note: “N/A” denotes test is not applicable in this Test Report. Item FCC Rules Description Of Test Result 1 FCC Part 15.207 Conducted Emission Pass 2 FCC Part 15.209(a) Radiated Emission Pass 3 FCC Part 15.247(a)(2) 6dB Occupied Bandwidth Pass 4 FCC Part 15.247(e) Power Spectral Density Pass 5 FCC Part 15.247(b) Average Output Power Pass 6 FCC Part 15.247(d) Out Of Band Emissions Pass 7 FCC Part 15.247(d) Conducted Spurious Emission Pass 8 FCC Part 15.203 Antenna Requirement Pass Page 6 of 46 Report No.: UNIA26051908ER-62 1.2 TEST FACILITY Test Firm : Shenzhen United Testing Technology Co., Ltd. Address : D101&D401, No. 107, Kaicheng High-Tech Park, Taoyuan Community, Dalang Sub-District, Longhua District, Shenzhen, Guangdong, China The testing quality ability of our laboratory meet with "Quality Law of People's Republic of China" Clause 19.The testing quality system of our laboratory meets with ISO/IEC-17025 requirements. This approval result is accepted by MRA of APLAC. Our test facility is recognized, certified, or accredited by the following organizations: A2LA Certificate Number: 4747.01 The EMC Laboratory has been accredited by A2LA, and in compliance with ISO/IEC 17025:2017 General Requirements for testing Laboratories. FCC Registration Number: 674885 The EMC Laboratory has been registered and fully described in a report filed with the (FCC) Federal Communications commission. IC Registration Number: 31584 The EMC Laboratory has been registered and fully described in a report filed with the (IC) Industry Canada. Page 7 of 46 Report No.: UNIA26051908ER-62 1.3 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. A. Conducted Measurement: Test Site Method Measurement Frequency Range U, (dB) UNI ANSI 9kHz ~ 150kHz 2.96 150kHz ~ 30MHz 2.44 B. Radiated Measurement: Test Site Method Measurement Frequency Range U, (dB) UNI ANSI 9kHz ~ 30MHz 2.50 30MHz ~ 1000MHz 4.80 1000MHz ~ 18000MHz 4.13 C. RF Conducted Method: Item Measurement Uncertainty Uncertainty of total RF power, conducted U c = ±0.8 dB …

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AntennaSpecification Manufacture：TUYA ProductName：WBR3Antenna AntennaType：PCB TestDate：2021.05.20 Testedby：LongWang Approvedby：Licco Content 1.GeneralDescription.................................................................................1 2.TestConfigurations...................................................................................2 2.1TestEnvironment............................................................................2 2.2TestEquipment...............................................................................2 2.3TestPrinciple...................................................................................2 3.TestResults..............................................................................................3 3.1GainandEfficiency..........................................................................3 3.2RadiationPattern............................................................................4 4.AntennaDimensions................................................................................6 5.EUTPhoto................................................................................................6 6.TestSetupPhoto......................................................................................7 1 1.GeneralDescription ManufacturerHangzhouTuyaInformationTechnologyCo.,Ltd Address Room701,Building3,MoreCenter,No.87GuDunRoad, Hangzhou,Zhejiang,China TestLocation Room106,Building3,LetongSciencePark,No.500, QiuyiRoad,BinjiangDistrict,Hangzhou ProductNameWBR3Antenna Productmodel WBR3 AntennaType PCBAntenna TestItems Gain;Efficiency;RadiationPattern TestFrequency 2400-2500MHz TestStandard ANSI/IEEEStd149-1979 2 2.TestConfigurations 2.1TestEnvironment Temperature(°C)25 Humidity(%RH)60 AtmosphericPressure(kPa)100.5 2.2TestEquipment TestSystemTEM24Multi-probeMicrowaveChamber TestInstrumentAgilentE5071B 2.3TestPrinciple 3 3.TestResults 3.1GainandEfficiency Frequency(MHz)PeakGain(dBi)Efficiency(%) 2400 1.6252.29 2410 1.7152.17 2420 1.9353.14 2430 1.9854.16 2440 2.0057.62 2450 2.1759.64 2460 2.4561.55 2470 2.3860.64 2480 2.5462.86 2490 2.3059.85 2500 2.4960.41 4 3.2RadiationPattern Phi02D Phi902D 5 Theta902D 2480MHz3D 6 4.AntennaDimensions 5.EUTPhoto 7 6.TestSetupPhoto

RadiatedEmissiontest 30MHz-1000MHz Above1GHz ConductedEmissiontest RFConductedtest