2AOQK-B100Bone Conduction Wireless Earphones

The product is too small to Place complete label information, so the label is placed on the packaging box and uesr manual. 2AOQK-B100 B100 B100 FCC ID:2AOQK-B100 B100 Bone Conduction Wireless Earphones

-Shenzhen Shengxingwang Precision Technology Co., Ltd - Fede「al Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 4/20/23 U.S. A� nation Shenzhen Shengxingwang Precision Technology Co., Ltd acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2AOQK-8100) Name and company of U.S. agent: Linkwld LLC Physical U.S. add「ess of agent: 1942 Broadway St. STE 314C, Boulder, CO, 80302, US FRN of U.S. agent: 0033625682 Email address of U.S. agent: [email protected] Linkwld LLC acknowledges their obligation to accept service of process on behalf of Shenzhen Shengxingwang Precision Technology C o . , L t d Shenzhen Shengxingwang Precision Technology Co., Ltd with the FRN [0027123967] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all ma「keting and importation of the applicable equipment within the U.S., or the conclusion of any Commission-「elated administrative or judicial P「oceeding involving the equipment, whichever is late「 By signing this form, we confirm the above and that we are aware of the application requirements listed under ro> . n,(L)(-1}二6t I -l－的气5-p--ou-leol8r . (Name] Bruce Ye [Title] Manager (Company] Shenzhen Shengxingwang Precision Technology Co., Ltd 飞斗乏 Signature [Name of U.S. agent] Timothy Zhu [Title of U.S. agent]Manager [Company of U.S. agent] Linkwld LLC The infonnation provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 DOI An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB

-ShenzhenshengxingwangPrecisionTechnologyCo.,Ltd.- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 4/21/23 Towhomitmayconcern: We,[ShenzhenshengxingwangPrecisionTechnologyCo.,Ltd.],herebycertifythattheequipment forwhichauthorizationissought(FCCID:[2AOQK-B100])isnot“covered”equipmentprohibitedfrom receivinganequipmentauthorizationpursuantto§2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,wearenotidentifiedontheCovered List(https://www.fcc.gov/supplychain/coveredlist)asanentityproducing“covered”equipment. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(b)and(d)(5)and(6). Sincerely, Signature [BruceYe] [GeneralManager] [ShenzhenshengxingwangPrecisionTechnologyCo.,Ltd.] 6 2 _ [ m o d e l ] C o v e r e d E q u _ 2 . 9 1 1 ( d ) ( 5 ) ( i ) a n d ( i i ) - U , V 0 2

Code:AB-RF-05-b ExternalPhotograph Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b

勹 Dimensions I About 47x30x25mm Weight I About 1 Dg Chipset I QCC3050 Bluetooth ver. I 5.3 Waterproof grade I IPX5 Playing time I Up to 7 hours Battery capacity I 65mAh Charging time I About 1.5 hours Maximum communication distance I Over 15m Reproduction frequency band I 1 OOHz-15KHz Supported profiles I A2DP/AVRCP/HFP/HSP Supported codecs I SBC/ AAC/aptX Supported OS I Android/iOS/Windows Dimensions Weight Battery capacity Charging time Earphones charging capability About 62x58x54mm About 52g 400mAh About 2 hours About 2 times I Set accessories 1 巴心盓怎霖 tc y a:; e rd＼飞心 罚 pouch cheero® Bone Conduction W ireless Earphones Wi「el ess Earphones B100 Blue 区 Qualcomm'op汉 胃 芦 尺(€ RoHS g 己 外箱 卜匕4 Qualcomm aptX is a product of Qualcomm Technologies, Inc and/or its subs回aries.Qualcomm is a trademark of Qualcomm incorporated, registered in the United States and other countries. aptX is a trademark of Qualcomm Technologies international, Ltd., registered in the United States and othe countries. ccheero TRA COMPANY LTD. 于于. ?一 JI,. 工于蛛式会社 E mail : [email protected] htt ps://cheero.shop/ Designed in Japan Made in China B100 III I I I IIII I II ||I I I II I I III| || 4 "5 8 0 3 7 0"7 3 7 5 6 1 FCC ID:2AOQK-B100

Code:AB-RF-05-b InternalPhotograph Code:AB-RF-05-b ANT Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b

version01 ShenzhenshengxingwangPrecisionTechnologyCo., Ltd. DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.:B100,B106,Q80,S1,S2,S3,M1,M2,M3,F16 FCCID:2AOQK-B100 fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsforinternalantennatype(s) describedbelow: ModelNo.ofantenna:L2 Typeofantenna:CeramicAntenna Gainoftheantenna:0.8dBi Frequencyrange:2400-2484MHz Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname: ShenzhenshengxingwangPrecisionTechnologyCo.,Ltd. Address:8F,BuildingD,ZhenhanIndustrialPark,ZhenhanRoad,JihuaStreet, LonggangDistrict,Shenzhen,Guangdong,China City:Shenzhen ZIP/Postalcode: Country:China Place:Date:4/21/2023 Signature:

2.4GHz 2012Chip Antenna: ANT2012R24005KL2 1 / 6 Application: WLAN, 802.11b/g, Bluetooth, etc... Features SMD, high reliability, ultra compact, Omni-directional... Part number ANT 2012 R 2400 5K L2 (1) (2) (3) (4) (5) (1)Size Code 2.0x1.2mm (2) Packing Tape and reel (3) Frequency 2.4GHz (4) Packing Number 5K (5)Code L2 Electrical Specification Working Frequency Range 2400 ~2484 MHz Peak Gain 0.8dBi (Typ.) Impedance 50 Ohm VSWR 2.5(Max) Polarization Linear Azimuth Beamwidth Omni-directional Operation Temperature(°C) -40 ~85°C The specification is defined on HEK EVB. Dimension and Terminal Configuration Dimension (mm) No. Terminal Name L 2.00±0.15 1 Feeding W 1.20±0.15 2 Ground T 0.50±0.10 D 0.20±0.15 2.4GHz 2012Chip Antenna: ANT2012R24005KL2 2 / 6 Evaluation Board Reference PCB Dimension Antenna Layout Reference Unit : mm : Chip Antenna : Land Pattern Matching circuit 2.4GHz 2012Chip Antenna: ANT2012R24005KL2 3 / 6 Electrical Characteristics VSWR&Efficiency Radiation Pattern ZX-Plane -40 -30 -20 -10 0 10 0 45 90 135 180 225 270 315 dBi 270 Horizontal Polarization 0° 270°90° Y Z X 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2.32.42.52.6 Efficiency(% ） Frequency (GHz) Efficiency 1 2 3 4 5 6 7 8 9 10 2.32.42.52.6 VSWR Frequency (GHz) VSWR X Y Z 2. 4 ZY- XY - 4GHz 20 Plane -Plane 012Chipp Antenna: ANTT2012RR24005KKL2 4 / 6 2.4GHz 2012Chip Antenna: ANT2012R24005KL2 5 / 6 Taping Specifications Reel and Taping Specification Reel Specification TYPE SIZE A ψB ψC ψD W ψM 2012 7” 5K/Reel 2.0±0.5 13.5±1.021±1.060±1.0 11.5±2.0 178±2.0 Taping Specification Packaging Type A B W E F G H T ψD P Paper Type 2012 1.50±0.20 2.30±0.20 8.0±0.20 1.75±0.10 3.5±0.054.0±0.102.0±0.05 0.75±0.10 +0.10 1.50 -0 4.0±0.1 2.4GHz 2012Chip Antenna: ANT2012R24005KL2 6 / 6 Recommended Reflow Profile Pb free solder Soaking Working Soldering Peak Temp. Time Temp. Time Temp. Time Temp. T1 T2 t1 T3 t2 T4 t3 T5 150°C 180°C 60 to 120sec230°C more than 30sec 247 to 253°Cwithin 10sec 260°C Max. Apr. 2022 Ver.H02

RFEXPOSUREEVALUATION FCCID:2AOQK-B100 AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) Radiationasspecifiedin§1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. Channel (MHz) Maximum output power (dBm) Tuneup tolerance (dBm) MaxTuneUp Power(dBm) Distance (mm) Calculation results Limit Operating Mode 24021.761.76 ±1 2.76050.585 3 GFSK 24411.211.21 ±1 2.21050.520 3 24800.540.54±11.54050.449 3 24020.950.95 ±1 1.95050.486 3 π/4-DQPSK 24410.480.48 ±1 1.48050.439 3 2480-0.16-0.16±10.84050.382 3 24020.880.88 ±1 1.88050.478 3 8DPSK 24410.470.47 ±1 1.47050.438 3 2480-0.18-0.18±10.82050.380 3 Result:NoStandaloneSARtestisrequired.

Page1of52 AppendixTestData ReportNo.:18220WC20292301TestSampleNo.:1-2-2 StartTestDate:2022.12.24FinishTestDate:2023.1.3 TestEngineer:Auditor: Temperature:24.3 °C RelativeHumidity:47% Pressure:1012hPa AppendixA:20dBEmissionBandwidth TestResult TestModeAntennaFrequency[MHz] 20db EBW[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict DH5Ant1 24020.9632401.5352402.498------ 24410.9842440.5172441.501------ 24801.0352479.4662480.501------ 2DH5Ant1 24021.3172401.3432402.660------ 24411.3022440.3582441.660------ 24801.2932479.3612480.654------ 3DH5Ant1 24021.3142401.3432402.657------ 24411.2962440.3492441.645------ 24801.3082479.3522480.660------ Page2of52 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page3of52 2DH5_Ant1_2402 2DH5_Ant1_2441 Page4of52 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 Page5of52 3DH5_Ant1_2480 Page6of52 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntennaFrequency[MHz] OCB[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict DH5Ant1 24020.906652401.55112402.4577------ 24410.893912440.55282441.4468------ 24800.916182479.54622480.4623------ 2DH5Ant1 24021.19522401.40122402.5964------ 24411.20052440.39972441.6002------ 24801.21442479.39192480.6063------ 3DH5Ant1 24021.19222401.40482402.5970------ 24411.20572440.39222441.5979------ 24801.20082479.39892480.5997------ Page7of52 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page8of52 2DH5_Ant1_2402 2DH5_Ant1_2441 Page9of52 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 Page10of52 3DH5_Ant1_2480 Page11of52 AppendixC:Maximumconductedoutputpower TestResultPeak Test Mode AntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict DH5Ant1 24021.76≤20.97PASS 24411.21≤20.97PASS 24800.54≤20.97PASS 2DH5Ant1 24020.95≤20.97PASS 24410.48≤20.97PASS 2480-0.16≤20.97PASS 3DH5Ant1 24020.88≤20.97PASS 24410.47≤20.97PASS 2480-0.18≤20.97PASS Page12of52 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page13of52 2DH5_Ant1_2402 2DH5_Ant1_2441 Page14of52 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 Page15of52 3DH5_Ant1_2480 Page16of52 AppendixD:Carrierfrequencyseparation TestResult TestModeAntennaFrequency[MHz]Result[MHz]Limit[MHz]Verdict DH5Ant1Hop1.332≥1.035PASS 2DH5Ant1Hop1.304≥0.878PASS 3DH5Ant1Hop1.332≥1.314PASS Page17of52 TestGraphs DH5_Ant1_Hop 2DH5_Ant1_Hop 3DH5_Ant1_Hop Page18of52 Page19of52 AppendixE:Timeofoccupancy TestResult TestModeAntennaFrequency[MHz] BurstWidth [ms] TotalHops [Num] Result[s]Limit[s]Verdict DH1Ant1Hop0.3723120.116≤0.4PASS DH3Ant1Hop1.6291580.257≤0.4PASS DH5Ant1Hop2.8771050.302≤0.4PASS 2DH1Ant1Hop0.3803130.119≤0.4PASS 2DH3Ant1Hop1.6311580.258≤0.4PASS 2DH5Ant1Hop2.8801090.314≤0.4PASS 3DH1Ant1Hop0.3813130.119≤0.4PASS 3DH3Ant1Hop1.6301580.258≤0.4PASS 3DH5Ant1Hop2.8821110.32≤0.4PASS Page20of52 TestGraphs DH1_Ant1_Hop DH3_Ant1_Hop Page21of52 DH5_Ant1_Hop Page22of52 2DH1_Ant1_Hop 2DH3_Ant1_Hop Page23of52 2DH5_Ant1_Hop Page24of52 3DH1_Ant1_Hop 3DH3_Ant1_Hop Page25of52 3DH5_Ant1_Hop Page26of52 Page27of52 AppendixF:Numberofhoppingchannels TestResult TestModeAntennaFrequency[MHz]Result[Num]Limit[Num]Verdict DH5Ant1Hop79≥15PASS 2DH5Ant1Hop79≥15PASS 3DH5Ant1Hop79≥15PASS Page28of52 TestGraphs DH5_Ant1_Hop 2DH5_Ant1_Hop 3DH5_Ant1_Hop Page29of52 Page30of52 AppendixG:Bandedgemeasurements TestResult TestModeAntennaChNameFrequency[MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 Low24021.44-57.77≤-18.56PASS High24800.23-57.98≤-19.77PASS LowHop_24021.02-56.85≤-18.99PASS HighHop_24800.04-55.43≤-19.96PASS 2DH5Ant1 Low2402-0.50-54.79≤-20.5PASS High2480-3.26-57.96≤-23.26PASS LowHop_2402-2.09-57.01≤-22.09PASS HighHop_2480-1.08-57.04≤-21.08PASS 3DH5Ant1 Low2402-0.83-54.45≤-20.83PASS High2480-3.34-57.9≤-23.34PASS LowHop_2402-0.60-57.93≤-20.6PASS HighHop_2480-2.98-57.04≤-22.98PASS Page31of52 TestGraphs DH5_Ant1_Low_2402 DH5_Ant1_High_2480 DH5_Ant1_Low_Hop_2402 Page32of52 DH5_Ant1_High_Hop_2480 2DH5_Ant1_Low_2402 Page33of52 2DH5_Ant1_High_2480 2DH5_Ant1_Low_Hop_2402 2DH5_Ant1_High_Hop_2480 Page34of52 3DH5_Ant1_Low_2402 3DH5_Ant1_High_2480 Page35of52 3DH5_Ant1_Low_Hop_2402 3DH5_Ant1_High_Hop_2480 Page36of52 AppendixH:ConductedSpuriousEmission TestResult TestModeAntennaFrequency[MHz] FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 2402 Reference0.690.69---PASS 30~10000.69-58.99≤-19.31PASS 1000~265000.69-52.97≤-19.31PASS 2441 Reference0.150.15---PASS 30~10000.15-59.23≤-19.85PASS 1000~265000.15-53.05≤-19.85PASS 2480 Reference-0.71-0.71---PASS 30~1000-0.71-60.97≤-20.71PASS 1000~26500-0.71-52.94≤-20.71PASS 2DH5Ant1 2402 Reference-0.11-0.11---PASS 30~1000-0.11-58.19≤-20.11PASS 1000~26500-0.11-52.99≤-20.11PASS 2441 Reference-4.16-4.16---PASS 30~1000-4.16-63.85≤-24.16PASS 1000~26500-4.16-53.31≤-24.16PASS 2480 Reference-3.84-3.84---PASS 30~1000-3.84-66.61≤-23.84PASS 1000~26500-3.84-53.21≤-23.84PASS 3DH5Ant1 2402 Reference-0.21-0.21---PASS 30~1000-0.21-68.31≤-20.21PASS 1000~26500-0.21-53.54≤-20.21PASS 2441 Reference-2.33-2.33---PASS 30~1000-2.33-68.29≤-22.33PASS 1000~26500-2.33-46.9≤-22.33PASS 2480 Reference-3.77-3.77---PASS 30~1000-3.77-68.32≤-23.77PASS 1000~26500-3.77-52.44≤-23.77PASS Page37of52 TestGraphs DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 DH5_Ant1_2402_1000~26500 Page38of52 DH5_Ant1_2441_0~Reference DH5_Ant1_2441_30~1000 Page39of52 DH5_Ant1_2441_1000~26500 DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000 Page40of52 DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference Page41of52 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 2DH5_Ant1_2441_0~Reference Page42of52 2DH5_Ant1_2441_30~1000 2DH5_Ant1_2441_1000~26500 Page43of52 2DH5_Ant1_2480_0~Reference 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 Page44of52 3DH5_Ant1_2402_0~Reference 3DH5_Ant1_2402_30~1000 Page45of52 3DH5_Ant1_2402_1000~26500 3DH5_Ant1_2441_0~Reference 3DH5_Ant1_2441_30~1000 Page46of52 3DH5_Ant1_2441_1000~26500 3DH5_Ant1_2480_0~Reference Page47of52 3DH5_Ant1_2480_30~1000 3DH5_Ant1_2480_1000~26500 Page48of52 AppendixI:DutyCycle TestResult TestModeAntenna Frequency[ MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] DH5…

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ReportNo.:18220WC20292301FCCID:2AOQK-B100Page1of32 Code:AB-RF-05-b FCCTestReport Applicant: ShenzhenshengxingwangPrecision TechnologyCo.,Ltd. Address: 8F,BuildingD,ZhenhanIndustrialPark, ZhenhanRoad,JihuaStreet,Longgang District,Shenzhen,Guangdong,China ProductName:BoneConductionWirelessEarphones ReportDate:Apr.21,2023 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC20292301FCCID:2AOQK-B100Page2of32 Code:AB-RF-05-b Contents 1.GeneralInformation ............................................................................................................................................6 1.1.ClientInformation ....................................................................................................................................6 1.2.DescriptionofDevice(EUT) ..................................................................................................................6 1.3.AuxiliaryEquipmentUsedDuringTest .................................................................................................7 1.4.DescriptionofTestConfiguration ..........................................................................................................7 1.5.DescriptionOfTestSetup ......................................................................................................................8 1.6.TestEquipmentList .................................................................................................................................9 1.7.MeasurementUncertainty ....................................................................................................................10 1.8.DescriptionofTestFacility ...................................................................................................................10 2.SummaryofTestResults .................................................................................................................................11 3.ConductedEmissionTest ................................................................................................................................12 3.1.TestStandardandLimit ........................................................................................................................12 3.2.TestSetup ...............................................................................................................................................12 3.3.TestProcedure .......................................................................................................................................12 3.4.TestData .................................................................................................................................................12 4.RadiationSpuriousEmissionandBandEdge .............................................................................................15 4.1.TestStandardandLimit ........................................................................................................................15 4.2.TestSetup ...............................................................................................................................................15 4.3.TestProcedure .......................................................................................................................................16 4.4.TestData .................................................................................................................................................17 5.MaximumPeakOutputPowerTest ...............................................................................................................25 5.1.TestStandardandLimit ........................................................................................................................25 5.2.TestSetup ...............................................................................................................................................25 5.3.TestProcedure .......................................................................................................................................25 5.4.TestData .................................................................................................................................................25 6.20dBOccupyBandwidthTest .........................................................................................................................26 6.1.TestStandard .........................................................................................................................................26 6.2.TestSetup ...............................................................................................................................................26 6.3.TestProcedure .......................................................................................................................................26 6.4.TestData .................................................................................................................................................26 7.CarrierFrequencySeparationTest ................................................................................................................27 7.1.TestStandardandLimit ........................................................................................................................27 7.2.TestSetup ...............................................................................................................................................27 7.3.TestProcedure .......................................................................................................................................27 7.4.TestData .................................................................................................................................................27 8.NumberofHoppingChannelTest ..................................................................................................................28 8.1.TestStandardandLimit ................................…

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Code:AB-RF-05-b TestSetupPhotograph PhotoofConductedEmissionMeasurement PhotoofRadiationEmissionTest Code:AB-RF-05-b