2AEW6-TE2126TWS BLUETOOTH STEREO EARBUDS

Bluetooth 5.3 Up to 33 feet Up to 3 hours (moderate volume) DC 5V Bluetooth specification Operating Range Working time Charging input voltage Getting Started •Remove the product from the packaging. •Please retain all packaging after you have checked and counted all the parts and the contents against the Package Contents list. Package Contents •TWS Bluetooth Stereo Earbuds •Charging Case •USB Charging Cable •Instruction Manual Features •True Wireless Bluetooth Stereo Earbuds •Small and elegant design, good fit for your ears •Passive noise cancellation •Optimized for Google Assistant and Siri, just press & talk •Supports android or iOS; supports hands-free call pick-up •Supports wireless streaming of music •Up to 3 hours of playback at moderate volume after single charge •Charging Case included which provides up to 8 hours of playback time at moderate volume •Auto-pairs once removed from the case •Magnetic charging with auto on/off feature Safety Instructions Keep the unit away from heat sources, direct sunlight, humidity, water and any other liquids. Do not operate the unit if it has been exposed to water, moisture or any other liquids to prevent against electric shock, explosion and/or injury to yourself and damage to the unit. Do not use the unit if it has been dropped or damaged in any way. Repairs to electrical equipment should only be performed by a qualified electrician. Improper repairs may place the user at serious risk. Do not use the unit with wet hands. Do not put objects into any of the openings. Keep the unit free from dust, lint etc. Do not use this unit for anything other than its intended use. Keep the unit out of reach of children. This product is not a toy. Do not use the headset at excessive volume levels, as damage to hearing may occur. Description of Parts: Less than 2 hours Charging Case: 200mAh Bluetooth Earbud: 30mAh (each) Charging Case: 1.85” (L) x 1.05” (D) x 2.07” (H) Bluetooth Earbud: 0.69” (L) x 0.75” (D) x 1.58” (H) (each) Charging Case: 0.8 oz Bluetooth Earbud: 0.1 oz (each) Charging time Built-In Battery Size Weight 1 2 3 4 5 6 7 Charging Port (at the bottom of Charging Case) LED Indicator (under the Charging Port) Charging Connectors Earbuds LED Indicator / Built-In Microphone Earbuds Touch Pad (Multi-function) Right Earbud Left Earbud INSTRUCTIONS FOR USE Charging Instructions The Charging Case and Bluetooth Earbuds come with built in rechargeable battery. Before using it for the first time you’re recommended to charge the battery fully. Please recharge the battery by following below, every time they need to be recharged. To charge the Charging Case (without Bluetooth Earbuds) Plug the Micro USB end of the included USB charging cable into the charging port of the Charging Case. Plug the other end into a suitable USB port such as the one on your computer or other devices made for USB charging. The LED indicator flashes red to indicate that its being charged. It takes less than 2 hours for the case to charge fully. When the battery is fully charged, red LED will stay on without blinking. Function Operation Button Answer incoming call Incoming Call Incoming Call Reject Incoming Call Incoming Call Short press the Touch Pad of one Earbud to answer an incoming call. Press and hold the Touch Pad of one Earbud for 2 second and release After your phone conversation, short press the Touch Pad of one Earbud End call Note: both Earbuds support phone conversation. Listening to Music Wirelessly in Stereo pairing mode Please ensure that your device (iPhone, Tablet or Other Smart Phone) is paired with the Bluetooth Earbuds to stream music wirelessly. Once it is paired, play music from your device. Function Operation Button Volume increase Volume increase Pause Play Next track Previous track Playing music Playing music Playing music Playing music Playing music Pausing Short press the Touch Pad of left Earbud twice Short press the Touch Pad of right Earbud twice Short press the Touch Pad of one Earbud will pause the music Short press the Touch Pad of one Earbud will resume the music Short press the Touch Pad of left Earbud three times Short press the Touch Pad of right Earbud three times Note: An indication tone will alert you when the volume is adjusted to maximum level. Pairing either one Bluetooth Earbud with Bluetooth devices (phone or tablet that support call-answering) • Take out one Earbud from the Charging Case, it will turn on automatically and the LED flashes red and blue (Or, if the Earbud is not stored inside the Charging Case, long press and hold the touch pad of the Earbud to turn ON. An indication tone will be heard and the LED flashes red and blue.) • Place the Bluetooth Earbud and Bluetooth device (phone or tablet that support call answering) no further than 3 feet apart from each other; • Activate the Bluetooth function on your mobile device. Please refer to the manufacturer’s instructions for instructions on enabling Bluetooth on your device. • Once you have activated Bluetooth on your mobile device, select the “SL TWS Earbuds” from the list of available Bluetooth devices. • You might be prompted with “Pair with SL TWS Earbuds?” message on your source device, with “Cancel” and “OK” options. Please click “OK”. • If required, enter the password ‘0000’ to confirm & finalize pairing. • Once paired successfully, another indication tone will be heard and the LED will turn off. • You can now start to use the Earbud. • If pairing is unsuccessful, turn off the device first and then re-pair following the above steps. • Once you have paired the Bluetooth Earbud with a mobile device, the Earbud will remember this mobile device and will pair automatically when its Bluetooth is activated within the range, during subsequently pairing. You do not need to re-pair any previously connected devices. • The Bluetooth Earbud will attempt to automatically connect to the last device it was paired with when switched on. If you want to pair it with a new device, please follow the…

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- TESONIC INTERNATIONAL (HK) LTD. - Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 7/5/2023 U.S. Agent Designation [TESONIC INTERNATIONAL (HK) LTD.] acknowledges their consent for the following contact located in the United States to act as their agent for servic e of process for the equipment for which authorization is sought (FCC ID: 2AEW6-TE2126) Name and company of U.S. agent: Linkwld LLC Physical U.S. address 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] ac knowledges their obligation to accept service of process on behalf of [ TESONIC INTERNATIONAL (HK) LTD.]. [TESONIC INTERNATIONAL(HK) LTD] with the FRN [0024635260] 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 marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). Sincerely, Signature [Name] Amanda [Title] Manager [Company] TESONIC INTERNATIONAL(H K) LTD 48_[model] US_Agent_2.911(d)(7)-U, V04 Signature [Name of U.S. agent] Timothy Zhu [Title of U.S. agent] M anager [Company of U.S. agent] Linkwld LLC The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. 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.

-TESONICINTERNATIONAL(HK)LTD.- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 9/19/23 Towhomitmayconcern: We,[TESONICINTERNATIONAL(HK)LTD.],herebycertifythattheequipmentforwhich authorizationissought(FCCID:[2AEW6-TE2126])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 [FionaLiu] [Manager] [TESONICINTERNATIONAL(HK)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

ProjectNo.:18220WC301910Page 1 of 7 AppendixII--ExternalPhotograph ProjectNo.:18220WC301910Page 2 of 7 ProjectNo.:18220WC301910Page 3 of 7 ProjectNo.:18220WC301910Page 4 of 7 ProjectNo.:18220WC301910Page 5 of 7 ProjectNo.:18220WC301910Page 6 of 7 ProjectNo.:18220WC301910Page 7 of 7

LabelLocationOnEUT Label FCCID:2AEW6-TE2126

ProjectNo.:18220WC301910Page 1 of 6 AppendixIII--InternalPhotograph ProjectNo.:18220WC301910Page 2 of 6 、 ProjectNo.:18220WC301910Page 3 of 6 ProjectNo.:18220WC301910Page 4 of 6 ProjectNo.:18220WC301910Page 5 of 6 ProjectNo.:18220WC301910Page 6 of 6 ANT

RFEXPOSUREEVALUATION FCCID:2AEW6-TE2126 AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) Radiationasspecifiedin§1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. Channel (MHz) Maximum outputpower (dBm) Tuneup tolerance (dBm) MaxTuneUp Power(dBm) Distance (mm) Calculation results Limit Operating Mode 2402-0.69-0.69 ±1 0.3150.3333 GFSK2441-0.98-0.98±10.0250.3143 2480-1.56-1.56±1-0.5650.2773 2402-1.16-1.16 ±1 -0.1650.2993 π/4-DQPSK2441-1.78-1.78±1-0.7850.2613 2480-2.06-2.06±1-1.0650.2473 Result:NoStandaloneSARtestisrequired.

Page1of38 AppendixTestData ReportNo.:18220WC30191001TestSampleNo.:1-2-2 StartTestDate:2023.09.05FinishTestDate:2023.09.05 TestEngineer:Auditor: Temperature:25.3 °C RelativeHumidity:48% Pressure:102kPa AppendixA:20dBEmissionBandwidth TestResult TestModeAntennaFrequency[MHz]20dbEBW[MHz]FL[MHz]FH[MHz] DH5Ant1 24021.0382401.4602402.498 24411.0352440.4692441.504 24800.9752479.5262480.501 2DH5Ant1 24021.3202401.3402402.660 24411.3682440.3192441.687 24801.3322479.3312480.663 Page2of38 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page3of38 2DH5_Ant1_2402 2DH5_Ant1_2441 Page4of38 2DH5_Ant1_2480 Page5of38 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntennaFrequency[MHz]OCB[MHz]FL[MHz]FH[MHz] DH5Ant1 24020.894132401.56072402.4549 24410.909212440.55082441.4600 24800.903522479.55312480.4566 2DH5Ant1 24021.18862401.40902402.5976 24411.19942440.40172441.6011 24801.19442479.40162480.5960 Page6of38 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page7of38 2DH5_Ant1_2402 2DH5_Ant1_2441 Page8of38 2DH5_Ant1_2480 Page9of38 AppendixC:Maximumconductedoutputpower TestResultPeak TestModeAntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict DH5Ant1 2402-0.69≤20.97PASS 2441-0.98≤20.97PASS 2480-1.56≤20.97PASS 2DH5Ant1 2402-1.16≤20.97PASS 2441-1.78≤20.97PASS 2480-2.06≤20.97PASS Page10of38 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page11of38 2DH5_Ant1_2402 2DH5_Ant1_2441 Page12of38 2DH5_Ant1_2480 Page13of38 AppendixD:Carrierfrequencyseparation TestResult TestModeAntennaFrequency[MHz]Result[MHz]Limit[MHz]Verdict DH5Ant1Hop1.018≥0.692PASS 2DH5Ant1Hop1.042≥0.912PASS TestGraphs DH5_Ant1_Hop 2DH5_Ant1_Hop Page14of38 AppendixE:Timeofoccupancy TestResult Test Mode AntennaFrequency[MHz] BurstWidth [ms] TotalHops [Num] Result[s]Limit[s]Verdict DH1Ant1Hop0.3723120.116≤0.4PASS DH3Ant1Hop1.6281580.257≤0.4PASS DH5Ant1Hop2.8771150.331≤0.4PASS 2DH1Ant1Hop0.3803140.119≤0.4PASS 2DH3Ant1Hop1.6311590.259≤0.4PASS 2DH5Ant1Hop2.8791090.314≤0.4PASS Page15of38 TestGraphs DH1_Ant1_Hop DH3_Ant1_Hop Page16of38 DH5_Ant1_Hop Page17of38 2DH1_Ant1_Hop 2DH3_Ant1_Hop Page18of38 2DH5_Ant1_Hop Page19of38 Page20of38 AppendixF:Numberofhoppingchannels TestResult TestModeAntennaFrequency[MHz]Result[Num]Limit[Num]Verdict DH5Ant1Hop79≥15PASS 2DH5Ant1Hop79≥15PASS TestGraphs DH5_Ant1_Hop 2DH5_Ant1_Hop Page21of38 AppendixG:Bandedgemeasurements TestResult TestModeAntennaChNameFrequency[MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 Low2402-1.09-56.95≤-21.09PASS High2480-1.90-57.66≤-21.90PASS LowHop_2402-1.55-57.29≤-21.55PASS HighHop_2480-1.92-56.39≤-21.92PASS 2DH5Ant1 Low2402-4.07-56.55≤-24.07PASS High2480-5.90-56.72≤-25.90PASS LowHop_2402-2.21-57.14≤-22.21PASS HighHop_2480-2.70-57.17≤-22.70PASS Page22of38 TestGraphs DH5_Ant1_Low_2402 DH5_Ant1_High_2480 DH5_Ant1_Low_Hop_2402 Page23of38 DH5_Ant1_High_Hop_2480 2DH5_Ant1_Low_2402 Page24of38 2DH5_Ant1_High_2480 2DH5_Ant1_Low_Hop_2402 2DH5_Ant1_High_Hop_2480 Page25of38 Page26of38 AppendixH:ConductedSpuriousEmission TestResult TestModeAntennaFrequency[MHz] FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 2402 Reference-1.76-1.76---PASS 30~1000-1.76-69.03≤-21.76PASS 1000~26500-1.76-52.84≤-21.76PASS 2441 Reference-1.96-1.96---PASS 30~1000-1.96-69.41≤-21.96PASS 1000~26500-1.96-54.09≤-21.96PASS 2480 Reference-2.41-2.41---PASS 30~1000-2.41-66.92≤-22.41PASS 1000~26500-2.41-53.49≤-22.41PASS 2DH5Ant1 2402 Reference-3.19-3.19---PASS 30~1000-3.19-69.46≤-23.19PASS 1000~26500-3.19-53.74≤-23.19PASS 2441 Reference-5.44-5.44---PASS 30~1000-5.44-69.31≤-25.44PASS 1000~26500-5.44-52.72≤-25.44PASS 2480 Reference-4.20-4.20---PASS 30~1000-4.20-69.14≤-24.2PASS 1000~26500-4.20-53.38≤-24.2PASS Page27of38 TestGraphs DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 DH5_Ant1_2402_1000~26500 Page28of38 DH5_Ant1_2441_0~Reference DH5_Ant1_2441_30~1000 Page29of38 DH5_Ant1_2441_1000~26500 DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000 Page30of38 DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference Page31of38 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 2DH5_Ant1_2441_0~Reference Page32of38 2DH5_Ant1_2441_30~1000 2DH5_Ant1_2441_1000~26500 Page33of38 2DH5_Ant1_2480_0~Reference 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 Page34of38 Page35of38 AppendixI:DutyCycle TestResult TestModeAntennaFrequency[MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] DH5Ant1 24022.883.7477.011.13 24412.883.7576.801.15 24802.883.7576.801.15 2DH5Ant1 24022.883.7576.801.15 24412.883.7477.011.13 24802.883.7477.011.13 Page36of38 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page37of38 2DH5_Ant1_2402 2DH5_Ant1_2441 Page38of38 2DH5_Ant1_2480 ---End---

ReportNo.:18220WC30191001FCCID:2AEW6-TE2126Page1of37 FCCTestReport Applicant:TESONICINTERNATIONAL(HK)LTD. Address: Room2801,the28thOfficeTower,6007Shennan Avenue,Shenzhen,China ProductName:TWSBLUETOOTHSTEREOEARBUDS ReportDate:Sept.19,2023 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC30191001FCCID:2AEW6-TE2126Page2of37 Contents 1.GeneralInformation.................................................................................................................................6 1.1.ClientInformation...........................................................................................................................6 1.2.DescriptionofDevice(EUT)..........................................................................................................6 1.3.AuxiliaryEquipmentUsedDuringTest..........................................................................................7 1.4.Operationchannellist....................................................................................................................7 1.5.DescriptionofTestModes.............................................................................................................8 1.6.MeasurementUncertainty.............................................................................................................8 1.7.TestSummary................................................................................................................................9 1.8.DescriptionofTestFacility.............................................................................................................9 1.9.Disclaimer....................................................................................................................................10 1.10.TestEquipmentList...................................................................................................................10 2.Antennarequirement..............................................................................................................................12 2.1.Conclusion...................................................................................................................................12 3.ConductedEmissionatACpowerline..................................................................................................13 3.1.EUTOperation.............................................................................................................................13 3.2.TestSetup....................................................................................................................................13 3.3.TestData......................................................................................................................................14 4.OccupiedBandwidth..............................................................................................................................16 4.1.EUTOperation.............................................................................................................................17 4.2.TestSetup....................................................................................................................................17 4.3.TestData......................................................................................................................................17 5.MaximumConductedOutputPower......................................................................................................18 5.1.EUTOperation.............................................................................................................................18 5.2.TestSetup....................................................................................................................................19 5.3.TestData......................................................................................................................................19 6.ChannelSeparation...............................................................................................................................20 6.1.EUTOperation.............................................................................................................................20 6.2.TestSetup....................................................................................................................................20 6.3.TestData......................................................................................................................................20 7.NumberofHoppingFrequencies...........................................................................................................21 7.1.EUTOperation.............................................................................................................................21 7.2.TestSetup....................................................................................................................................21 7.3.TestData......................................................................................................................................21 8.DwellTime..............................................................................................................................................22 8.1.EUTOperation.............................................................................................................................23 8.2.TestSetup....................................................................................................................................23 8.3.TestData......................................................................................................................................23 9.Emissionsinnon-restrictedfrequencybands.......................................................................................24 9.1.EUTOperation.............................................................................................................................25 9.2.TestSetup................…

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version01 TESONICINTERNATIONAL(HK)LTD. DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.:645872,TWDE-2126AS FCCID:2AEW6-TE2126 fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsfor internal antennatype(s) describedbelow: ModelNo.ofantenna:645872 Typeofantenna:PCBAntenna Gainoftheantenna:-0.05dBi Frequencyrange:2402-2480MHz Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname:TESONICINTERNATIONAL(HK)LTD. Address:Room2801,the28thOfficeTower,6007ShennanAvenue,Shenzhen, China City:Shenzhen ZIP/Postalcode:/ Country:China Place:Date:9/19/2023 Signature:

Passive Test For BT2.4Application Information FreqEffiEffiGainGainUHISDHISMaxMin irectivitBeamwidth AttHAttVO4Version5.245.351 (MHz)(%)(dB)(dBi)(dBd)(%)(%)(dB)(dB)(dBi)(3dB)(dB)(dB)TotalTime4m 18s 977ms 240031.41-5.03-0.05-2.200-0.05 -14.845.03047.3646.86AdditionalInfor NULL 241029.14-5.36-0.34-2.4900-0.34 -14.415.36047.446.9model645872 242025.66-5.91-0.89-3.0400-0.89 -16.785.91047.2846.76 243028.02-5.53-0.57-2.7200-0.57-19.45.53047.3546.78 244023.53-6.28-1.35-3.500-1.35 -23.376.28047.1546.65 245025.01-6.02-1.09-3.2400-1.09 -25.316.02047.3346.85 246026.28-5.8-0.89-3.0400-0.89 -20.875.8047.7247.22 247018.57-7.31-2.25-4.400-2.25 -18.547.31047.3646.93 248021.2-6.74-1.49-3.6400-1.49 -20.186.74047.5647.1 249017.74-7.51-2.17-4.3200-2.17 -24.057.51047.0546.67 250017.73-7.51-2.15-4.300-2.15 -23.727.51047.0146.63

ProjectNo.:18220WC301910Page 1 of 2 AppendixI--TestSetupPhotograph_RF ConductedEmissionatACpowerline Emissionsinfrequencybands(below1GHz) ProjectNo.:18220WC301910Page 2 of 2 Emissionsinfrequencybands(above1GHz)