2AEGJBTE02Bluetooth earphone

SHENZHENKINGVIETECHNOLOGYCO.,LIMITED Date:30Sep,2015 To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 Re:SHENZHENKINGVIETECHNOLOGYCO.,LIMITED FCCID:2AEGJBTE02 FCCCertificationConfidentialityRequest Gentlemen: Thisletteristocomplywith47CFR0.457and0.459pertainingtoconfidentiality material.KINGVIETECHNOLOGYCO.,LIMITEDrequeststhatthefollowing documentsregardingthissubmissionforFCCID:2AEGJBTE02bekept confidential: ExhibitTypeFileName BlockDiagram CONFAPPENDIX2AEGJBTE02_BlockDiagram.pdf Circuitdiagram CONFAPPENDIX2AEGJBTE02_Circuitdiagram.pdf OperationalDescription CONFAPPENDIX2AEGJBTE02_OperationalDescription.pdf Thosedocumentscontaindetailedsystemandequipmentdescriptionandrelated informationabouttheproductwhichKINGVIETECHNOLOGYCO.,LIMITED considerstobeconfidentialproprietary,acustomdesignand,otherwise,not releasabletothegeneralpublic.Sincethisdesignisabasisformwhichfuture technologicalproductswillevolve,KINGVIETECHNOLOGYCO.,LIMITED considersthisinformationwouldbeofbenefittoitscompetitors,andthatthe disclosureoftheinformationinthesedocumentswouldgivecompetitorsanunfair advantageinthemarket. YoursSincerely, Name ： LydiaWang Position：Manager SHENZHENKINGVIETECHNOLOGYCO.,LIMITED

SHENZHENKINGVIETECHNOLOGYCO.,LIMITED Date:30Sep,2015 To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 ToWhomItMayConcern: TheKINGVIETECHNOLOGYCO.,LIMITED，theundersigned,hereby authorizesMr.WuXuewenfromShenzhenBalunTechnologyCo.,Ltd.,toacton thebehalfoftheKINGVIETECHNOLOGYCO.,LIMITEDsolelyinmatters relatingtotheapplicationforanFCCequipmentauthorizationforFCCID# 2AEGJBTE02includingthesigningofdocumentsinconnectionwiththis Application.NecessaryactscarriedoutbyShenzhenBalunTechnologyCo.,Ltd. onourbehalfoftheSHENZHENKINGVIETECHNOLOGYCO.,LIMITED. TheSHENZHENKINGVIETECHNOLOGYCO.,LIMITEDalsoherebycertifythat nopartytothisapplicationissubjecttoadenialofbenefits,includingFCC benefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21U.S.C. 853(a). Thankyouforyourattentiontothismatter. YoursSincerely, Name ： LydiaWang Position：Manager SHENZHENKINGVIETECHNOLOGYCO.,LIMITED

AnnexNo.:BL-SZ1590070-AW EXTERNALEUTPHOTOS THEFRONTOFEUT THEBACKOFEUT AnnexNo.:BL-SZ1590070-AW 2 / 3 THELEFTOFEUT THERIGHTOFEUT AnnexNo.:BL-SZ1590070-AW 3 / 3 THEUPOFEUT THEDOWNOFEUT

AnnexNo.:BL-SZ1590070-AI EUTINTERNALPHOTOS EUTPhoto1 EUTPhoto2 AnnexNo.:BL-SZ1590070-AI 2 / 2 EUTPhoto3

RF Exposure Evaluation for FCC ID: 2AEGJBTE02 Refer user manual this device is a Bluetooth earphone and this device was designed used in portable devices the minimum distance between human’s body is 5mm. Based on the 47CFR 2.1093, this device belongs to portable device. The definition of the category as following: Portable Derives: CFR Title 47 §2.1093(b) (b) For purposes of this section, a portable device is defined as a transmitting device designed to be used so that the radiating structure(s) of the device is/are within 20 centimeters of the body of the user. FCC KDB 447498 D01 General RF Exposure Guidance v05r02 Limit Unless specifically required by the published RF exposure KDB procedures, standalone 1‐g head or body and 10‐g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition, listed below, is satisfied. These test exclusion conditions are based on source‐based time‐averaged maximum conducted output power of the RF channel requiring evaluation, adjusted for tune‐up tolerance, and the minimum test separation distance required for the exposure conditions. The minimum test separation distance is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander. The 1‐g and 10‐g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [ ሺ୫ୟ୶.୮୭୵ୣ୰ ୭୤ ୡ୦ୟ୬୬ୣ୪,୧୬ୡ୪୳ୢ୧୬୥ ୲୳୬ୣି୳୮ ୲୭୪ୣ୰ୟ୬ୡୣ,୫୛ሻ ሺ୫୧୬.୲ୣୱ୲ ୱୣ୮ୟ୰ୟ୲୧୭୬ ୢ୧ୱ୲ୟ୬ୡୣ,୫୫ሻ ] ∙ [ ඥ f ሺୋୌ୸ሻ ] ≤ 3.0 for 1‐g SAR and ≤ 7.5 for 10‐g extremity SAR Where • f (GHz) is the RF channel transmit frequency in GHz • Power and distance are rounded to the nearest mW and mm before calculation • The result is rounded to one decimal place for comparison The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. FCC exclusion condition= [ ሺଵ.ଶଵ,୫୛ሻ ሺହ,୫୫ሻ ] ∙ [ ඥ 2.442 ሺୋୌ୸ሻ ] = 0.377 ＜ 3.0 RF Exposure Evaluation Result: Pass Note: More power data, Please refer to the RF report.

Report No.: BL-SZ1590070-601 51 8-DPSK DH1 8-DPSK DH3 Report No.: BL-SZ1590070-601 52 8-DPSK DH5 Report No.: BL-SZ1590070-601 53 A.6 Conducted Spurious Emissions Test Data GFSK Mode: Channel Measured Max. Out of Band Emission (dBm) Limit (dBm) Verdict Carrier Level Calculated 20 dBc Limit Low-40.41-0.84-20.84Pass Middle-37.950.21-19.79Pass High-38.05-0.05-20.05Pass ∏/4-DQPSK Mode: Channel Measured Max. Out of Band Emission (dBm) Limit (dBm) Verdict Carrier Level Calculated 20 dBc Limit Low-42.38-0.36-20.36Pass Middle-46.62-2.22-22.22Pass High-43.96-3.22-23.22Pass 8-DPSK Mode: Channel Measured Max. Out of Band Emission (dBm) Limit (dBm) Verdict Carrier Level Calculated 20 dBc Limit Low-47.46-3.58-23.58Pass Middle-40.89-2.04-22.04Pass High-40.82-3.15-23.15Pass Report No.: BL-SZ1590070-601 54 Test Plots GFSK LOW CHANNEL , BAND EDGE GFSK LOW CHANNEL , SPURIOUS 30 MHz ~ 3 GHz Report No.: BL-SZ1590070-601 55 GFSK LOW CHANNEL , SPURIOUS 3 GHz ~ 25 GHz GFSK MIDDLE CHANNEL , SPURIOUS 30 MHz ~ 3 GHz Report No.: BL-SZ1590070-601 56 GFSK MIDDLE CHANNEL , SPURIOUS 3 GHz ~ 25 GHz GFSK HIGH CHANNEL , BAND EDGE Report No.: BL-SZ1590070-601 57 GFSK HIGH CHANNEL , SPURIOUS 30 MHz ~ 3 GHz GFSK HIGH CHANNEL , SPURIOUS 3 GHz ~ 25 GHz Report No.: BL-SZ1590070-601 58 ∏/4-DQPSK LOW CHANNEL , BAND EDGE ∏/4-DQPSK LOW CHANNEL , SPURIOUS 30 MHz ~ 3 GHz Report No.: BL-SZ1590070-601 59 ∏/4-DQPSK LOW CHANNEL , SPURIOUS 3 GHz ~ 25 GHz ∏/4-DQPSK MIDDLE CHANNEL , SPURIOUS 30 MHz ~ 3 GHz Report No.: BL-SZ1590070-601 60 ∏/4-DQPSK MIDDLE CHANNEL , SPURIOUS 3 GHz ~ 25 GHz 1 ∏/4-DQPSK HIGH CHANNEL , BAND EDGE Report No.: BL-SZ1590070-601 61 ∏/4-DQPSK HIGH CHANNEL , SPURIOUS 30 MHz ~ 3 GHz ∏/4-DQPSK HIGH CHANNEL , SPURIOUS 3 GHz ~ 25 GHz Report No.: BL-SZ1590070-601 62 8-DPSK LOW CHANNEL , BAND EDGE 8-DPSK LOW CHANNEL , SPURIOUS 30 MHz ~ 3 GHz Report No.: BL-SZ1590070-601 63 8-DPSK LOW CHANNEL , SPURIOUS 3 GHz ~ 25 GHz 8-DPSK MIDDLE CHANNEL , SPURIOUS 30 MHz ~ 3 GHz Report No.: BL-SZ1590070-601 64 8-DPSK MIDDLE CHANNEL , SPURIOUS 3 GHz ~ 25 GHz 1 8-DPSK HIGH CHANNEL , BAND EDGE Report No.: BL-SZ1590070-601 65 8-DPSK HIGH CHANNEL , SPURIOUS 30 MHz ~3 GHz 8-DPSK HIGH CHANNEL , SPURIOUS 3 GHz ~ 25 GHz Report No.: BL-SZ1590070-601 66 A.7 Conducted Emissions Note: All configurations have been tested, only the worst configuration (GFSK High Channel) shown here. Test Data and Plots PHASE L M6 M5 M4 M3 M2 M1 80 20 30 40 50 60 70 Frequency(MHz) 30 0.15110 No. Frequency (MHz) Results (dBuV) Factor (dB) Limit (dBuV) Margin (dB) Detector LineVerdict 10.1660.913.0065.64.70PeakL LinePass 1** 0.1648.513.0055.67.10AVL LinePass 20.2253.613.0064.010.40PeakL LinePass 2** 0.2240.713.0054.013.30AVL LinePass 30.4842.013.0056.514.50PeakL LinePass 3** 0.4825.913.0046.520.60AVL LinePass 42.5741.313.0056.014.70PeakL LinePass 4** 2.5729.013.0046.017.00AVL LinePass 53.9543.413.0056.012.60PeakL LinePass 5** 3.9526.513.0046.019.50AVL LinePass 617.8249.713.0060.010.30PeakL LinePass 6** 17.8237.613.0050.012.40AVL LinePass Report No.: BL-SZ1590070-601 67 PHASE N M6 M5 M4M3 M2 M1 80 0 10 20 30 40 50 60 70 Frequency(MHz) 30 0.15110 No. Frequency (MHz) Results (dBuV) Factor (dB) Limit (dBuV) Margin (dB) Detector LineVerdict 10.1659.913.0065.65.70PeakN Line Pass 1** 0.1646.313.0055.69.30AVN Line Pass 20.2054.513.0064.510.00PeakN Line Pass 2** 0.2038.413.0054.516.10AVN Line Pass 30.4143.513.0058.615.10PeakN Line Pass 3** 0.4129.713.0048.618.90AVN Line Pass 42.3744.013.0056.012.00PeakN Line Pass 4** 2.3733.013.0046.013.00AVN Line Pass 54.2344.813.0056.011.20PeakN Line Pass 5** 4.2328.313.0046.017.70AVN Line Pass 617.7549.813.0060.010.20PeakN Line Pass 6** 17.7538.413.0050.011.60AVN Line Pass Report No.: BL-SZ1590070-601 68 A.8 Radiated Emission Duty cycle correction factor for average measurement. DH5 on time/100 ms(Count Pulses) Plot on Channel 39 DH5 on time/100 ms(One Pulse) Plot on Channel 39 Note: 1. Duty cycle = on time/100 milliseconds = 3* 2.88 / 100 =20.16 % 2. Duty cycle correction factor = 20*log (Duty cycle) = -13.91 dB 3. DH5 has the highest duty cycle and is reported. Report No.: BL-SZ1590070-601 69 Note 1: The symbol of “--” in the table which means not application. Note 2: For the test data above 1 GHz，According the ANSI C63.4-2014, where limits are specified for both average and peak (or quasi-peak) detector functions, if the peak (or quasi-peak) measured value complies with the average limit, it is unnecessary to perform an average measurement. Note 3: All configurations have been tested, only the worst configuration (GFSK High Channel) shown here. Test Data and Plots The low frequency, which started from 9 kHz to 30 MHz, was pre-scanned and the result which was 20 dB lower than the limit line per 15.31(o) was not reported. 30MHzto1GHz,ANTV M6 M5 M4 M3 M2 M1 80 10 20 30 40 50 60 70 Frequency(MHz) 1000 30100 No. Frequency (MHz) Results (dBuV/m) Factor (dB) Limit (dBuV/m) Margin (dB) Detector Table (o) Height (cm) ANTVerdict 161.5222.53-20.2340.017.47Peak305.60 100Vertical Pass 299.8218.87-20.2043.524.63Peak21.60100Vertical Pass 3122.8520.00-22.1443.523.50Peak301.90 100Vertical Pass 4202.1319.66-20.1543.523.84Peak36.10100Vertical Pass 5417.6626.37-14.7046.019.63Peak102.40 100Vertical Pass 6627.1330.17-10.2546.015.83Peak276.00 100Vertical Pass Report No.: BL-SZ1590070-601 70 30MHzto1GHz,ANTH M6M5 M4 M3 M2 M1 80 10 20 30 40 50 60 70 Frequency(MHz) 1000 30100 No. Frequency (MHz) Results (dBuV/m) Factor (dB) Limit (dBuV/m) Margin (dB) Detector Table (o) Height (cm) ANTVerdict 152.0620.44-18.6240.019.56Peak131.00 100Horizontal Pass 2102.4919.72-20.2543.523.78Peak319.50 100Horizontal Pass 3151.9519.25-23.4143.524.25Peak160.20 100Horizontal Pass 4243.8323.09-18.9846.022.91Peak127.30 100Horizontal Pass 5371.8430.16-15.9546.015.84Peak297.40 100Horizontal Pass 6627.3730.18-10.2446.015.82Peak187.30 100Horizontal Pass Report No.: BL-SZ1590070-601 71 Note: The marked spikes near 2400 MHz with circle should be ignored because they are Fundamental signal. Test…

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AnnexNo.:BL-SZ1590070-AR01 DSSTESTSETUPPHOTOS 1RadiatedFieldEmission Below30MHz 30MHz-1GHz AnnexNo.:BL-SZ1590070-AR01 Above1GHz 2ConductedTestPhoto AnnexNo.:BL-SZ1590070-AR01 3ConductedEmission