2BTWM-SMARTBUDS03BTWS Wireless Headset Charging Case
Huaou Tonghui (Suzhou) Technology Co., Ltd.
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Application Details
- Equipment Class
- DSS - Part 15 Spread Spectrum Transmitter
- Date of Grant
- Jan 09, 2026
- Application Purpose
- Original Equipment
- Equipment Note
- TWS Wireless Headset Charging Case
- Frequency Range
- 2402.00000000 - 2480.00000000
- Country
- China
Documents & Files
Document Text
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
Users Manual
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External Photos
DNT2512160493R14827-P01Page: 1 of 3 ExternalPhoto PHOTO GRAPHS OF EUT FCC ID:2BTWM-SMARTBUDS03B s ExternalPhotos DNT2512160493R14827-P01Page: 2 of 3 ExternalPhotos ExternalPhotos DNT2512160493R14827-P01Page: 3 of 3 ExternalPhotos ExternalPhotos --END--
ID Label/Location Info
FCC ID:2BTWM-SMARTBUDS03B
Internal Photos
DNT2512160493R14827-P01Page: 1 of 4 InternalPhoto PHOTO GRAPHS OF EUT FCC ID:2BTWM-SMARTBUDS03B s InternalPhotos DNT2512160493R14827-P01Page: 2 of 4 InternalPhotos InternalPhotos DNT2512160493R14827-P01Page: 3 of 4 InternalPhotos InternalPhotos DNT2512160493R14827-P01Page: 4 of 4 InternalPhotos --END--
RF Exposure Info
DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] RFExposureEvaluationReport ApplicationNo.: Applicant: AddressofApplicant: EUTDescription: ModelNo.: FCCID: PowerSupply (ChargingBox): PowerSupply (Earphone): DC3.7Vfromrechargeablelithium-ionbatter DNT2512160493R14827-17199 Huaou Tonghui(Suzhou)Technology Co., Ltd. No. 299, Shengxin Road, Bache, Dongtaihu Ecological Tourist Resort (Taihu New City), Wujiang District, Suzhou City TWS Wireless Headset Charging Case SMARTBUDS03 2BTWM-SMARTBUDS03B Input:DC 5V;DC 3.7V from rechargeable lithium-ion battery y TradeMark: Standards: 47CFRPart2.1093 FCCKDB447498D04v01 DateofReceipt: 2025/12/16 DateofTest: 2025/12/16to2025/12/25 DateofIssue: 2025/12/29 TestResult:PASS PreparedBy:(TestingEngineer) ReviewedBy:(ProjectEngineer) ApprovedBy:(Manager) Note:Ifthereisanyobjectiontotheresultsinthisreport,pleasesubmitawritteninquirytothecompanywithin15daysfromthedateof receivingthereport.Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,andisissuedbythecompanyinaccordance withtherequirementsofthe"ConditionsofIssuanceofTestReports"printedintheattachedpage.Unlessotherwisestated,theresults presentedinthisreportonlyapplytothesamplestestedthistime.Partialreproductionofthisreportisnotallowedunlessapprovedbythe companyinwriting. ReportNo.:DNT2512160493R14827-17199Date：December29,2025Page： 2 / 8 DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] ReportReviseRecord ReportVersionReviseTimeIssuedDateValidVersionNotes V1.0/ Dec.29,2025 ValidOriginalReport ReportNo.:DNT2512160493R14827-17199Date：December29,2025Page： 3 / 8 DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] Contents RFEXPOSUREEVALUATIONREPORT.............................................................................................................................................1 1GENERALINFORMATION..................................................................................................................................................................4 1.1TESTLOCATION.................................................................................................................................................................................4 1.2GENERALDESCRIPTIONOFEUT.....................................................................................................................................................4 1.3TESTFACILITY...................................................................................................................................................................................5 1.4MEASUREMENTUNCERTAINTY(95%CONFIDENCELEVELS,K=2)....................................................................................................5 2RFEXPOSUREEVALUATION............................................................................................................................................................6 2.1RFEXPOSURECOMPLIANCEREQUIREMENT..................................................................................................................................6 ReportNo.:DNT2512160493R14827-17199Date：December29,2025Page： 4 / 8 DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] 1GeneralInformation 1.1TestLocation Company:DongguanDNTestingCo.,Ltd Address: No.1,WestFourthStreet,SouthXinfaRoad,WushaLiwu,Chang ＇ anTown, DongguanCity,GuangdongP.R.China Testengineer:GaliLin 1.2GeneralDescriptionofEUT Manufacturer:HuaouTonghui(Suzhou)TechnologyCo.,Ltd. AddressofManufacturer: No.299,ShengxinRoad,Bache,DongtaihuEcologicalTouristResort(Taihu NewCity),WujiangDistrict,SuzhouCity Factory:SuzhouNuclearMicroelectronicsCo.,Ltd. AddressofFactory: No.299,ShengxinRoad,Bache,DongtaihuEcologicalTouristResort(Taihu NewCity),WujiangDistrict,SuzhouCity EUTDescription: TWSWirelessHeadsetChargingCase ModelNo.: SMARTBUDS03 AdditionalModel(s): / PowerSupply (ChargingBox): Input:DC5V;DC3.7Vfromrechargeablelithium-ionbattery PowerSupply (Earphone): DC3.7Vfromrechargeablelithium-ionbattery TradeMark: HardwareVersion:V1.0 SoftwareVersion:V1.0 Serialnumber:PR2512160493R14827 ChipType:ET5816328 SampleType:PortableDevice,Module,MobileDevice AntennaType: External,Integrated AntennaPorts: Ant1,Ant2,Ant3 AntennaGain: Providedbyapplicant 0dBi Note: *Sincetheabovedataand/orinformationisprovidedbytheclientrelevantresultsorconclusionsofthis reportareonlymadeforthesedataand/orinformation,DNTisnotresponsiblefortheauthenticity,integrity andresultsofthedataandinformationand/orthevalidityoftheconclusion. ReportNo.:DNT2512160493R14827-17199Date：December29,2025Page： 5 / 8 DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] 1.3TestFacility Thetestfacilityisrecognized,certified,oraccreditedbythefollowingorganizations: LabA: •FCC,USA DesignationNumber:CN1348 •A2LA(CertificateNo.7050.01) DONGGUANDNTESTINGCO.,LTD.isaccreditedbytheAmericanAssociationforLaboratory Accreditation(A2LA).CertificateNo.7050.01. •Innovation,ScienceandEconomicDevelopmentCanada DONGGUANDNTESTINGCO.,LTD.EMCLaboratoryhasbeenrecognizedbyISEDasanaccreditedtesting laboratory.CABidentifierisCN0149. IC#:30755. . 1.4MeasurementUncertainty(95%confidencelevels,k=2) No.ItemMeasurementUncertainty 1 20dBEmissionBandwidth±0.0196% 2 CarrierFrequencySeparation±1.9% 3 NumberofHoppingChannel±1.9% 4 TimeofOccupancy±0.0…
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Test Report
ANTENNA SPECIFICATION Summary ITEMANT SPEC Model Name Antenna plat 2.4G ANT e Center Frequenc Copper wire antenna y HorizontalVertical 2400MHz 2450MHz 2500MHz 2400MHz 2450MHz 2500MHz -1.66-0.840-6.16 MAX. Ga i Manufacturer:Huaou Tonghui(Suzhou)Technology Co., Ltd. Address of Manufacturer:No. 299, Shengxin Road, Bache, Dongtaihu Ecological Tourist Resort (Taihu New City), Wujiang District, Suzhou City3.65 -2.21 n0dBi PolarizationHorizontal and Vertical Impedance50 Ohm Antenna Photo & Le ngth (mm) -3.65 Horizontal:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-40Scale:5/div FrequencyGain(dBi) (MHz)Max.MinAvg. 2400-1.66179-30.2813-8.78713 2450-0.847811-38.7595-7.87812 2500-0.000000-23.6329-6.99139 Vertical:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-30Scale:5/div FrequencyGain(dBi) (MHz)Max.MinAvg. 2400-6.1623-23.1425-12.5295 2450-3.6534-26.2866-10.6699 2500-2.21101-29.4381-9.58526
Test Report
Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] FCC Test Report Application No.: Applicant: Address of Applicant: EUT Description: Model No.: FCC ID: Power Supply (Charging Box): Input:DC 5V;DC 3.7V from rechargeable lithium-ion batter DNT2512160493R14827-17200 Huaou Tonghui(Suzhou)Technology Co., Ltd. No. 299, Shengxin Road, Bache, Dongtaihu Ecological Tourist Resort (Taihu New City), Wujiang District, Suzhou City TWS Wireless Headset Charging Case SMARTBUDS03 2BTWM-SMARTBUDS03B y Power Supply (Earphone ): DC 3.7V from rechargeable lithium-ion battery Trade Mark: Standards: 47 CFR Part 2, Subpart J 47 CFR Part 15, Subpart C ANSI C63.10: 2020 Date of Receipt: 2025/12/16 Date of Test: 2025/12/16 to 2025/12/25 Date of Issue: 2025/12/29 Test Result: PASS Prepared By:(Testing Engineer) Reviewed By:(Project Engineer) Approved By:(Manager) Note: If there is any objection to the results in this report, please submit a written inquiry to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp, and is issued by the company in accordance with the requirements of the "Conditions of Issuance of Test Reports" printed in the attached page. Unless otherwise stated, the results presented in this report only apply to the samples tested this time. Partial reproduction of this report is not allowed unless approved by the company in writing. Report No.: DNT2512160493R14827-17200Date：December 29, 2025Page： 2 / 64 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Report Revise Record Report VersionRevise TimeIssued DateValid VersionNotes V1.0/ Dec.29, 2025 ValidOriginal Report Report No.: DNT2512160493R14827-17200Date：December 29, 2025Page： 3 / 64 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 1 Test Summary Test ItemTest RequirementTest MethodTest ResultResult Antenna Requirement15.203/247(b)--Clause 3.1PASS 20dB Emission Bandwidth15.247 (a)(1)ANSI C63.10: 2020Clause 3.2PASS Conducted Peak Output Power 15.247 (b)(1)ANSI C63.10: 2020Clause 3.3PASS Carrier Frequencies Separation 15.247 (a)(1)ANSI C63.10: 2020Clause 3.4PASS Dwell Time15.247 (a)(1)ANSI C63.10: 2020Clause 3.5PASS Hopping Channel Number15.247 (a)(1)ANSI C63.10: 2020Clause 3.6PASS Band-edge for RF Conducted Emissions 15.247(d)ANSI C63.10: 2020Clause 3.7PASS RF Conducted Spurious Emissions 15.247(d)ANSI C63.10: 2020Clause 3.8PASS Radiated Spurious emissions 15.247(d); 15.205/15.209 ANSI C63.10: 2020Clause 3.9PASS Restricted bands around fundamental frequency (Radiated Emission) 15.247(d); 15.205/15.209 ANSI C63.10: 2020Clause 3.10PASS AC Power Line Conducted Emission 15.207ANSI C63.10: 2020Clause 3.11PASS Note: 1. “N/A” denotes test is not applicable in this test report. Report No.: DNT2512160493R14827-17200Date：December 29, 2025Page： 4 / 64 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Contents 1 Test Summary..................................................................................................................................................................3 2 General Information..........................................................................................................................................................5 2.1 Test Location..........................................................................................................................................................5 2.2 General Description of EUT...................................................................................................................................5 2.3 Test Environment...................................................................................................................................................6 2.4 Channel List........................................................................................................................................................... 6 2.5 Power Setting of Test Software............................................................................................................................. 7 2.6 Assistant equipment used for test..........................................................................................................................7 2.7 Description of Support Units.................................................................................................................................. 7 2.8 Test Facility............................................................................................................................................................7 2.9 Equipment List....................................................................................................................................................... 8 2.10 Measurement Uncertainty (95% confidence levels, k=2).................................................................................. 10 3 Test results and Measurement Data..............................................................................................................................11 3.1 Antenna Requirement..........................................................................................................................................11 3.2 20dB Emission Bandwidth..............................................................…
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Test Report
Report No.: DNT2512160493R14827-17200Date：December 29, 2025Page： 50 / 64 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Appendix F: Band edge measurements Test Result TestModeAntennaChNameFreq(MHz) RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 Low24020.82-46.99≤-19.18PASS High2480-0.03-47.25≤-20.03PASS LowHop_2402-0.02-46.82≤-20.02PASS HighHop_2480-0.36-46.42≤-20.36PASS 2DH5Ant1 Low24020.68-44.65≤-19.32PASS High2480-0.28-47.14≤-20.28PASS LowHop_2402-0.36-46.65≤-20.36PASS HighHop_2480-1.39-46.64≤-21.39PASS 3DH5Ant1 Low24020.40-45.43≤-19.6PASS High2480-0.43-46.17≤-20.43PASS LowHop_2402-4.33-46.92≤-24.33PASS HighHop_2480-0.52-46.33≤-20.52PASS Report No.: DNT2512160493R14827-17200Date：December 29, 2025Page： 51 / 64 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Test Graphs DH5_Ant1_Low_2402 DH5_Ant1_High_2480 DH5_Ant1_Low_Hop_2402 Report No.: DNT2512160493R14827-17200Date：December 29, 2025Page： 52 / 64 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] DH5_Ant1_High_Hop_2480 2DH5_Ant1_Low_2402 2DH5_Ant1_High_2480 Report No.: DNT2512160493R14827-17200Date：December 29, 2025Page： 53 / 64 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 2DH5_Ant1_Low_Hop_2402 2DH5_Ant1_High_Hop_2480 3DH5_Ant1_Low_2402 Report No.: DNT2512160493R14827-17200Date：December 29, 2025Page： 54 / 64 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 3DH5_Ant1_High_2480 3DH5_Ant1_Low_Hop_2402 3DH5_Ant1_High_Hop_2480 Report No.: DNT2512160493R14827-17200Date：December 29, 2025Page： 55 / 64 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Appendix G: Conducted Spurious Emission Test Result TestModeAntennaFreq(MHz) FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 2402 Reference0.510.51---PASS 30~10000.51-59≤-19.49PASS 1000~265000.51-49.27≤-19.49PASS 2441 Reference0.730.73---PASS 30~10000.73-58.53≤-19.27PASS 1000~265000.73-48.73≤-19.27PASS 2480 Reference-0.15-0.15---PASS 30~1000-0.15-57.97≤-20.15PASS 1000~26500-0.15-37.47≤-20.15PASS 2DH5Ant1 2402 Reference0.690.69---PASS 30~10000.69-58.23≤-19.31PASS 1000~265000.69-42.61≤-19.31PASS 2441 Reference0.190.19---PASS 30~10000.19-58.6≤-19.81PASS 1000~265000.19-48.74≤-19.81PASS 2480 Reference-0.37-0.37---PASS 30~1000-0.37-58.34≤-20.37PASS 1000~26500-0.37-49.28≤-20.37PASS 3DH5Ant1 2402 Reference0.040.04---PASS 30~10000.04-58.3≤-19.96PASS 1000~265000.04-48.92≤-19.96PASS 2441 Reference0.400.40---PASS 30~10000.40-59.35≤-19.6PASS 1000~265000.40-49.67≤-19.6PASS 2480 Reference-0.39-0.39---PASS 30~1000-0.39-57.35≤-20.39PASS 1000~26500-0.39-48.77≤-20.39PASS Report No.: DNT2512160493R14827-17200Date：December 29, 2025Page： 56 / 64 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Test Graphs DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 DH5_Ant1_2402_1000~26500 Report No.: DNT2512160493R14827-17200Date：December 29, 2025Page： 57 / 64 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] DH5_Ant1_2441_0~Reference DH5_Ant1_2441_30~1000 DH5_Ant1_2441_1000~26500 Report No.: DNT2512160493R14827-17200Date：December 29, 2025Page： 58 / 64 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000 DH5_Ant1_2480_1000~26500 Report No.: DNT2512160493R14827-17200Date：December 29, 2025Page： 59 / 64 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 2DH5_Ant1_2402_0~Reference 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 Report No.: DNT2512160493R14827-17200Date：December 29, 2025Page： 60 / 64 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 2DH5_Ant1_2441_0~Reference 2DH5_Ant1_2441_30~1000 2DH5_Ant1_2441_1000~26500 Report No.: DNT2512160493R14827-17200Date：December 29, 2025Page： 61 / 64 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 2DH5_Ant1_2480_0~Reference 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 Report No.: DNT2512160493R14827-17200Date：December 29, 2025Page： 62 / 64 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Donggua…
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Test Setup Photos
DNT2512160493R14827-P01Page: 1 of 3 PHOTO GRAPHS OF EUT FCC ID:2BTWM-SMARTBUDS03B Antenna Terminal Test View DNT2512160493R14827-P01Page: 2 of 3 ConducedEmissionTestView RadiatedEmissionTestView|(Below1G) DNT2512160493R14827-P01Page: 3 of 3 RadiatedEmissionTestView|(Above1G) RadiatedEmissionTestView|(Above1G) --END--
Contact Information
Applicant
Songwei Xu
[email protected]Fax: 15625501563
Technical Contact
Test Firm
Dongguan DN Testing Co., Ltd.Joise Yang
Technical Specifications
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.40 GHz - 2.48 GHz | 2.00 mW |
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