2BGPQ-2308True Wireless Stereo Earphones

User Guide for2308 True Wireless Stereo Earphones —01EN— English ———-01-08 Deutsch———09-16 Français---17-24 Italiano——25-32 Es panol ———33-40 Table ofPr Charging Case*1 二 —— | —二 Instruction Book Product Sp BluetoothVersion Support: Charging Port: 二 — 02EN— roduct Content 1 Wireless Ea r Earbud T pecification : — ts rbud*2 ip*4 Type-C Charg HFP/A2DP/HS - rging Cable*1 5.3 SP/AVRCP --Type-C Batterylife: Charging time:Transmission r a Introduction Battery ofChar 8 hoursforear battery life varies with so 1.5 h ange: yStatus Indicator rging Case —03EN— rbuds /32hoursforchargingc ng type and volume requirem hoursforearbuds/1.5hoursfor 15 meters(without Charg i case(actual ments) rchargingcase obstacles) ing Contact How doI pair two headphones with my phone? ● Please make sure both the earbuds and the chargingcasearefullycharged beforefirst use. ●Step1 Take bothearbudsoutofthechargingcaseand bothearbuds will poweronand startpairingautomatically.If theearbudsarenotconnectedtoyourdevicefor more than 5 minutes,the earbuds will automatically turn off.Press the MFB buttonfor about 3 seconds to manually turn on theearbuds when prompted"Poweron". Oneearbudflashes redand bluealternately,and theotherearbudflashesevery3seconds ·Step2 EnabletheBluetoothpairingmodeonyourphonedevice,searchandselect"2308"to connect.(You should hear a voiceprompt"connected"whenwearingearbuds.) Ifindicator light ofearbud is off,it means the phone is connected ● Automatic connection By default,the earbuds will connect the last paired phone automatically when power on. —04EN— ●Prompt 1.Ifyou haveanyproblem pairingthetwoearbudswithyourphone, putthe earbudsback inthecharging case andrepeattheabovesteps. 2.These earbudscanbeusednotonly together, butalso individually Ifyou want tousesingleearbud,justtakeoneearbudoutofthecaseandconnectit toyourphone.or whenusingtwoearbuds,manually turnoff oneearbudo r put onebac k inthechargingcaseandyou'llbeabletousetheotheroneearbud alone. Functions ·Telephone Communication心 Answercall: Hangup: Refuseincoming call: ·ForMusic Play/pause Previoustrack Nexttrack ActivateSiri Turn Turn taponce pres sandholdthekey for2s press and holdthekey for 2s taptwice press and hold "L"for 2s pressandhold "R" for2s quicklytapfor three times singletap on leftearbudsingletaponright earbud downvolume upvolume —05EN— Charging ●Earbuds Charging Theearbudswillonlybechargedwhenyouplacetheminthechargingslots correctly.(You can charge the chargingcaseand theearbudsatthesametime,or you can charge the charging case firstandthentheearbuds. During charging,the earphone LED light remains solid red. Thechargingcasewillstopchargingautomaticallyandtheindicatorlightonearbuds will go out when fullycharged. When the earbud is charging in the charging compartment,thechargingcompart- mentdigitaldisplay bar remainsflashingandthechargingcompartmentdigitaldisplay is always on until the earbuds are fullychargedandthengoesoff. ● CaseCharging There is a Type-Cush charging cable in the package,please use ittochargethecasedirectly.During charging,the digital display will flash and display the batterylevel in real time.When fully charged,the number shows100. Earbuds ChargingCaseCharging —06EN— Charging Alerts① ● After using it for a longperiodoftime,duetotheoxidationofthemagnetconnector, the earbuds might not be charged or even turnedon. ●Youcanfixthisproblembycleaningthemagnetconnectorsontheearbudsandcharging case with an alcohol wipe ·Puttheearbudsinthechargingcase,theearbudswillturnoff immediatelyandthecharging case will start to charging automatically. ·The earbuds will connect the last paired phone automatically. Storage and Maintenance ·If theearbudshavenotbeenusedformorethan3months,werecommendthatyouchargeit. ● Please use an charger approved by FCC (Federal CommunicationsCommission). ● Do not dissemble theearbuds. ·Children aged12 and under require adult supervision. ●Donotexposetheearbudstohighorlowtemperatures,anddonot usetheearbudsduring a thunderstorm. ● Avoid free fall or violent shock to thedevice,Keep thedeviceawayfromsourcesoffire and do not place the device in water. Frequently Asked Questions Q:Why dont these earbuds pair with my phone? A:Make sure the earbuds are fullychargedand poweredon. Make sure your phone's Bluetooth is enabled If thereisnoproblemwiththetwopointsstatedabove,turnoff thepowered-onearbuds after 5 continuousand quickclicks. Put them back into the charging case and close thelip,waitfor1 minute,thenopenthe charging case and reconnect the earbuds to the phone. —07EN— Q:Why does the music cutinorout? A:First,keep the earbuds no more than15m away from your phone (noobstacles).Ifthe distance is less than15m,follow these steps: 1.1.Put the earbuds back into the case and close thelid,manuallyclick"forget the2308"on your phone. 2.After10seconds,open the charging caseand reconnect theseearbudswithyourphone Q:How do I reset the headset? A:Click the headset5 timesquickly when itispoweredon(operatebothleftandright earphonesatthesametime),andthepairinginformationbetweentheheadsetandmobile phone will be cleared after restarting. Q :Why the earbuds still won't be charged or disconnect fromthe phoneafterI putthemin the case andclosethelid? A:Make sure the charging case is notinalow batterystate. Ifthe charging case is in a low batterystate,the earbuds willneither bechargednordisconnected. In this case,please use a type-e charging cable to fullychargethecase. Q:Are these earbuds sweat-and water-resistant? A:These earbuds aresweatproof andIPX7waterproof.Forelectronics,wedonot recommend submerging the earbuds in water.The earphones are not resistant tohot water,and water vapor will enter the earphones and damage the components.For more detailed product FAQs,please contact our customer service. Activation &Warranty Permanent replacement ofdamaged,defective item or missing components.Please activatevia email below within15 days.lukgserviceghotmail.com —08EN— —09DE — FCC Statement Changes or modifications not expressly approved by …

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2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Dongguan Senya Electronic Technology Co., Ltd. Section 2.9 11(d)(5)(i) Certification – EquipmentType Company name: Dongguan Senya Electronic Technology Co., Ltd. Address: Building 1, No.52 Nanshe Road, Dongfeng Community, Humen Town, Dongguan Cit y, Guangdong Province, 523905, China Product Name: True Wireless Stereo Earphones FCC ID: 2BGPQ-2308 Model(s): 2308, BK17 2.911(d)(5)(i) EquipmentType We, [Dongguan Senya Electronic Technology Co., Ltd.] (“the applicant”) certify that the equipment for which authorization is sought through certification is not:  Prohibitedfrom receivingan equipmentauthorizationpursuantto § 2.903;of the FCC rules.  Identifiedas an equipmenttype in the “CoveredList ” NOTE1 Yourssincerely, Name:JamesLiang Date:2024-06-04 Title and Companyname:R&DDirector/DongguanSenyaElectronicTechnologyCo., Ltd. NOTE1 “CoveredList”; is the List of Equipmentand ServicesCoveredBy Section2 of The SecureNetworksAct, availableat https://www.fcc.gov/supplychain/coveredlist References; 1) 986446D01 CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) FederalRegisterdocument2022-28263publishedon 02/06/23 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)ApplicantAttestationv1.3 Dongguan Senya Electronic Technology Co., Ltd. Section 2.9 11(d)(5)(ii) Certification – Applicant (Covered Lis t) Company name: Dongguan Senya Electronic Technology Co., Ltd. Address: Building 1, No.52 Nanshe Road, Dongfeng Community, Humen Town, Dongguan Cit y, Guangdong Province, 523905, China Product Name: True Wireless Stereo Earphones FCC ID: 2BGPQ-2308 Model(s): 2308, BK17 2.911(d)(5)(ii) Applicant filing We, [Dongguan Senya Electronic Technology Co., Ltd.] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 ,established pursuant to §1.50002 of this chapter,as an entity producing coveredcommunications equipment. Yours sincerely, Name:JamesLiangDate:2024-06-04 Title and Companyname:R&DDirector/ DongguanSenyaElectronicTechnologyCo., Ltd. NOTE1 Deleteoptionnot applicableto this application. NOTE2 “CoveredList”; is the List of Equipmentand ServicesCoveredBy Section2 of The SecureNetworksAct, availableat https://www.fcc.gov/supplychain/coveredlist References; 1) 986446D01 CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) FederalRegisterdocument2022-28263publishedon 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com DongguanSenyaElectronicTechnologyCo.,Ltd. 2.911(d)(5)(ii)ApplicantAttestationv1.3 munications-supply-chain-through-the

DongguanSenyaElectronicTechnologyCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024-06-04 Subject;RequestforLongTermConfidentiality FCCID:2BGPQ-2308 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:JamesLiang Title:R&DDirector

Dongguan Senya Electronic Technology Co., Ltd. Agent Authorization Company: Dongguan Senya Electronic Technology Co., Ltd. Address: Building 1, No.52 Nanshe Road, Dongfeng Community, Humen Town, Dongguan City, Guangdong Province, 523905, China Product Name: True Wireless Stereo Earphones Model Number(s): 2308, BK17 Product Description: True Wireless Stereo Earphones We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature:Date:202 4-06-04 Name:JamesLiang Title:R&D Director Company:DongguanSenyaElectronicTechnologyCo., Ltd.

Page 1 of 8 Appendix C: Photographs of EUT Product: True Wireless Stereo Earphones Model: 2308 External Photos Page 2 of 8 Page 3 of 8 Page 4 of 8 Page 5 of 8 Page 6 of 8 Page 7 of 8 Page 8 of 8

Label Artwork and Location Model: 2308 Label: Size: L*W= 16*1.5mm Location HVIN: V2.0 FCC ID: 2BGPQ-2308 IC: 32560-2308 Made in China

Page 1 of 7 Appendix C: Photographs of EUT Product: True Wireless Stereo Earphones Model: 2308 Internal Photos Page 2 of 7 Antenna Page 3 of 7 Page 4 of 7 Page 5 of 7 Page 6 of 7 Page 7 of 7

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2BGPQ-2308 Test Report No. ............... : TCT240510E012 Date of issue ................... : May 24, 2024 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Dongguan Senya Electronic Technology Co., Ltd. Address ........................... : Building 1, No.52 Nanshe Road, Dongfeng Community, Humen Town, Dongguan City, Guangdong Province, 523905, China Manufacturer's name ... : Dongguan Senya Electronic Technology Co., Ltd. Address ........................... : Building 1, No.52 Nanshe Road, Dongfeng Community, Humen Town, Dongguan City, Guangdong Province, 523905, China Standard(s) ..................... : KDB 447498 D01 General RF Exposure Guidance v06 Product Name ................. : True Wireless Stereo Earphones Trade Mark ...................... : N/A Model/Type reference..... : 2308, BK17 Rating(s).......................... : Rechargeable Li-ion Battery DC 3.7V Date of receipt of test item ......................................... : May 10, 2024 Date (s) of performance of test ................................... : May 10, 2024 ~ May 24, 2024 Tested by (+signature) ... : Ronaldo LUO Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT240510E012 Page 2 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 2. General Information ................................................................................. 4 2.1. Test environment and mode ................................................................................. 4 2.2. Description of Support Units ................................................................................ 4 3. Facilities and Accreditations .................................................................. 5 3.1. Facilities ................................................................................................................. 5 3.2. Location ................................................................................................................. 5 4. Test Results and Measurement Data ..................................................... 6 Report No.: TCT240510E012 Page 3 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : True Wireless Stereo Earphones Model/Type reference........... : 2308 Sample Number....................: TCT240510E011-0101 Operation Frequency ........... : 2402MHz~2480MHz Modulation Type ................... : GFSK, π/4-DQPSK Antenna Type ........................ : Chip Antenna Antenna Gain ........................ : 2.78dBi Rating(s)................................ : Rechargeable Li-ion Battery DC 3.7V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list No. Model No. Tested with 1 2308 Other models BK17 Note: 2308 is tested model, other models are derivative models. The models are identical in circuit, only different on the model names. So the test data of 2308 can represent the remaining models. Report No.: TCT240510E012 Page 4 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. General Information 2.1. Test environment and mode Item Normal condition Temperature +25ºC Voltage DC 3.7V Humidity 56% Atmospheric Pressure: 1008 mbar Test Mode: Transmitting mode: Keep the EUT in continuous transmitting by select channel 2.2. Description of Support Units The EUT has been tested as an independent unit together with other necessary accessories or support units. The following support units or accessories were used to form a representative test configuration during the tests. Equipment Model No. Serial No. FCC ID Trade Name / / / / / Note: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 3. For conducted measurements (Output Power, 20dB Occupied Bandwidth, Carrier Frequencies Separation, Hopping Channel Number, Dwell Time, Spurious Emissions), the antenna of EUT is connected to the test equipment via temporary antenna connector, the antenna connector is soldered on the antenna port of EUT, and the temporary antenna connector is listed in the Test Instruments. Report No.: TCT240510E012 Page 5 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 3. Facilities and Accreditations 3.1. Facilities The test facility is recognized, certified, or accredited by the following organizations: ● FCC - Registration No.: 645098 SHENZHEN TONGCE TESTING LAB Designation Number: CN1205 The testing lab has been registered and fully described in a report with the (FCC) Federal Communications Commission. The acceptance letter from the FCC …

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SymbolsLWTA Dimensions 1.60±0.200.80±0.200.80±0.200.30±0.10 NumberTerminalName ① INPUT ② NC Dimensions(Unit: mm) w ①② ( Side View) ( Bottom View) ( Top View) A T L Shenzhen HanyangAntenna Design Co. Ltd. 1.Bluetooth 2.Dual-band WLAN 3.ISM and UWB 1.Surfacemountedelementwithasmalldimensionof1.6×0.8×0.8mmmeetfutureminiaturizationtrend. 2.EmbeddedandLTCC(lowtemperatureco-firedceramic)technologyisabletointegratewithsystemdesign aswellasbeatifyingthehousingoffinalproduct. 3.Miniaturization,wideband,highstability,lowESR,andlowtolerance. 4.Dual-bandresonancesinthedominantandharmonicmodesenablesmultibandoperations. 5.Novelground-radiationtechniqueenablesradiationfromboththeantennaandthegroundplane. Shenzhen BaoanDistrict Qianjin2 Road BaoYunda logistics information building 12A10 tel：0755-23069700 Features: Applications: RF chip ANT chipANT pattern PCB ground Mode-2 Mode-1 P/N: HY160808 SRF09 ShenzhenHanyangAntennaDesignCo.Ltd.haspossessionofproprietaryinformationprovidedinthis reportandthisproprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanyperson orfirmwithoutthepriorwrittenconsentofShenzhenHanyangAntennaDesignCo.Ltd. Page1 Layout-1 (3.5mm×6.5mm) ShenzhenHanyangAntennaDesignCo.Ltd.haspossessionofproprietaryinformationprovidedinthis reportandthisproprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanyperson orfirmwithoutthepriorwrittenconsentofShenzhenHanyangAntennaDesignCo.Ltd. Page2 1.5 1 3.5 2.5 0201 footprint (E1) 0201 footprint (E2) 0603 footprint (ANT) RF Input/Output 6.5 0.5 0.5 0.5 1.5 3.5 2.5 0201 footprint (E3) 6.5 Top layer: Bottom layer: 0.5 0.5 RF chip E1 E3 E2 ANT Equivalentcircuit: P/N: HY160808 SRF09 Shenzhen HanyangAntenna Design Co. Ltd. Shenzhen BaoanDistrict Qianjin2 Road BaoYunda logistics information building 12A10 tel：0755-23069700 2.5 0201 footprint 0603 footprint 10 0.5 1.5 0201 footprint 1.5 3 2.5 10 1.5 2 0.5 0201 footprint Layout-2 (1.5mm×10mm) Top layer: Bottom layer: P/N: HY160808 SRF09 Shenzhen HanyangAntenna Design Co. Ltd. Shenzhen BaoanDistrict Qianjin2 Road BaoYunda logistics information building 12A10 tel：0755-23069700 ShenzhenHanyangAntennaDesignCo.Ltd.haspossessionofproprietaryinformationprovidedinthis reportandthisproprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanyperson orfirmwithoutthepriorwrittenconsentofShenzhenHanyangAntennaDesignCo.Ltd. Page3 RF Input/Output ElectricalCharacteristics: CharacteristicCurves: FeatureSpecification 1 Centralfrequency2.45GHz 2 Bandwidth>150MHz 3 Peak gain2.78dBi 4 VSWR<2 5 PolarizationLinear 6 AzimuthbeamwidthOmnidirectional 7 Impedance50Ω P/N: HY160808 SRF09 Shenzhen HanyangAntenna Design Co. Ltd. Shenzhen BaoanDistrict Qianjin2 Road BaoYunda logistics information building 12A10 tel：0755-23069700 ShenzhenHanyangAntennaDesignCo.Ltd.haspossessionofproprietaryinformationprovidedinthis reportandthisproprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanyperson orfirmwithoutthepriorwrittenconsentofShenzhenHanyangAntennaDesignCo.Ltd. Page5 RadiationPattern: Y-ZPlaneX-ZPlane coordinates： 深圳市宝安区前进二路宝运达物流信息大厦12A10/12A11 青岛市崂山区松岭路399号海信产业园A1号楼606 电话：0755-23069700 传真：0755-23069700 HanyangAntennaDesignCo.Ltd.haspossessionofproprietaryinformationprovidedinthisreportand thisproprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanypersonorfirm withoutthepriorwrittenconsentofHanyangAntennaDesignCo.Ltd. Page5 RadiationPerformance: P/N: HY160808 SRF07, HY160808 SRF08,HY160808 SRF09 深圳汉阳天线设计有限公司 Shenzhen Hanyang Antenna Design Co. Ltd. X-YPlane Frequency 2400MHz2450MHz2500MHz Avg.gain-1.92-1.35-1.56 Peakgain1.792.782.66 Efficiency74.5580.2576.98 Temperature：40±2°C Humidity：90~95%RH Duration：500h Recovery conditions：Room temperature Recovery Time：24h (Class1) or 48h (Class2) Test Temperature Operating Temperature Temperature RelativeHumidity 25°C±5°C -25°C~+125°C 5~40°C 20~70% Notenoughsolder Weak holding forcemay cause bad connection between the chipandPCB. RecommendedSolderingAmounts The optimal solder fillet amounts forre-flowsoldering 天线厚度 以下 The optimal solder fillet amounts for wavesoldering DependabilityTest Too much solder Cracks tend to occur due to large stress. MoistureProof OptimumSolderAmount forReflowSoldering Solderability At least 95% of the terminal electrode is covered by newsolder. Preheating conditions:80 to 120°C;10~30s. Solder Tem p e r at u r e :2 3 5 ±5°CDuration:2 ±0.5s , Solder Tempe r ature:24 5±5°CDu rat ion:2±0.5s P/N: HY160808 SRF09 Shenzhen HanyangAntenna Design Co. Ltd. Shenzhen BaoanDistrict Qianjin2 Road BaoYunda logistics information building 12A10 tel：0755-23069700 ShenzhenHanyangAntennaDesignCo.Ltd.haspossessionofproprietaryinformationprovidedinthis reportandthisproprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanyperson orfirmwithoutthepriorwrittenconsentofShenzhenHanyangAntennaDesignCo.Ltd. Page6 10±1S AppliedForce:5NDuration:10±1S Preheating conditions: up-category temperature, 1h Recovery time:24±1h InitialMeasurement Cycling Times: 5 times, 1 cycle, 4steps: Preheating80to120°C;10~30s.SolderTemperature:235±5°C;Duration:2±0.5s;SolderTemperature:245±5°C Duration:2±0.5s;Preheating100to200°C;10±2min. SolderTemperature:265±5°C;Duration:10±1s Cleanthecapacitorwithsolventandexamineitwitha10X(min.)microscope. RecoveryTime:24±2h Recoverycondition:Roomtemperature Test Board: Al 2 O 3 orPCBWarp:1mm Speed:0.5mm/sec. Unit:mm Themeasurementshouldbemadewiththeboardinthe bendingposition. Resistance to Soldering Heat ResistancetoFlexureofSubstrate Temperature CycleTest P/N: HY160808 SRF09 Shenzhen HanyangAntenna Design Co. Ltd. Shenzhen BaoanDistrict Qianjin2 Road BaoYunda logistics information building 12A10 tel：0755-23069700 ShenzhenHanyangAntennaDesignCo.Ltd.haspossessionofproprietaryinformationprovidedinthis reportandthisproprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanyperson orfirmwithoutthepriorwrittenconsentofShenzhenHanyangAntennaDesignCo.Ltd. Page7 StageTemperatur…

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Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2BGPQ-2308 Test Report No. ............... : TCT240510E011 Date of issue ................... : May 24, 2024 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory, Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Dongguan Senya Electronic Technology Co., Ltd. Address ........................... : Building 1, No.52 Nanshe Road, Dongfeng Community, Humen Town, Dongguan City, Guangdong Province, 523905, China Manufacturer's name ... : Dongguan Senya Electronic Technology Co., Ltd. Address ........................... : Building 1, No.52 Nanshe Road, Dongfeng Community, Humen Town, Dongguan City, Guangdong Province, 523905, China Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 FCC KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2013 Product Name ................. : True Wireless Stereo Earphones Trade Mark ...................... : N/A Model/Type reference..... : 2308, BK17 Rating(s).......................... : Rechargeable Li-ion Battery DC 3.7V Date of receipt of test item ......................................... : May 10, 2024 Date (s) of performance of test ................................... : May 10, 2024 ~ May 24, 2024 Tested by (+signature) ... : Ronaldo LUO Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT240510E011 Page 2 of 85 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 1.3. Operation Frequency ............................................................................................ 3 2. Test Result Summary .............................................................................. 4 3. General Information ................................................................................. 5 3.1. Test environment and mode ................................................................................. 5 3.2. Description of Support Units ................................................................................ 5 4. Facilities and Accreditations .................................................................. 6 4.1. Facilities ................................................................................................................. 6 4.2. Location ................................................................................................................. 6 4.3. Measurement Uncertainty ..................................................................................... 6 5. Test Results and Measurement Data ..................................................... 7 5.1. Antenna requirement ............................................................................................ 7 5.2. Conducted Emission ............................................................................................. 8 5.3. Conducted Output Power ................................................................................... 12 5.4. 20dB Occupy Bandwidth .................................................................................... 13 5.5. Carrier Frequencies Separation ......................................................................... 14 5.6. Hopping Channel Number .................................................................................. 15 5.7. Dwell Time ............................................................................................................ 16 5.8. Pseudorandom Frequency Hopping Sequence ................................................ 17 5.9. Conducted Band Edge Measurement ................................................................ 18 5.10.Conducted Spurious Emission Measurement .................................................. 19 5.11.Radiated Spurious Emission Measurement ..................................................... 20 Appendix A: Test Result of Conducted Test Appendix B: Photographs of Test Setup Appendix C: Photographs of EUT Report No.: TCT240510E011 Page 3 of 85 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : True Wireless Stereo Earphones Model/Type reference........... : 2308 Sample Number....................: TCT240510E011-0101 Bluetooth Version ................ : V5.3 Operation Frequency ........... : 2402MHz~2480MHz Transfer Rate ........................ : 1/2 Mbits/s Number of Channel .............. : 79 Modulation Type ................... : GFSK, π/4-DQPSK Modulation Technology ....... : FHSS Antenna Type ........................ : Chip Antenna Antenna Gain ........................ : 2.78dBi Rating(s)................................ : Rechargeable Li-ion Battery DC 3.7V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list No. Model No. Tested with 1 2308 Other models BK17 Note: 2308 is tested model, other models are derivative models. The models are iden…

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Report No.: TCT240510E011 Page 74 of 85 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT240510E011 Page 75 of 85 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT240510E011 Page 76 of 85 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT240510E011 Page 77 of 85 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT240510E011 Page 78 of 85 Hotli…

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