2A8SLM-01Bluetooth headset

FCC Warning This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Note 1: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: —Reorient or relocate the receiving antenna. —Increase the separation between the equipment and receiver. —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. —Consult the dealer or an experienced radio/TV technician for help. Note 2: 1.Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 2. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2022-9-25> Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID Model name 2A8SLM-01 M-01 For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Name/Title： Junpeng Chen/manager Company: Guangzhou Chenfeng Technology Co., Ltd. Address: E112, No.16, No.14-8, No. 8, Shigang Road, Haizhu District, Guangzhou Phone: 13288667688 Fax: / E-Mail: [email protected]

Guangzhou Chenfeng Technology Co., Ltd. E112, No.16, No.14-8, No. 8, Shigang Road, Haizhu District, Guangzhou Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2022.09.25 To whom it may concern: We, the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2A8SLM-01 including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. By signing this application form, we agree to Eurofins’ current valid General Terms and Conditions (AGB),Testing and Certification Regulations (PZO) which can be viewed on following website www.eurofins.de/ee or retrieved on request. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Name/Title： Junpeng Chen/manager Company: Guangzhou Chenfeng Technology Co., Ltd. Address: E112, No.16, No.14-8, No. 8, Shigang Road, Haizhu District, Guangzhou Phone: 13288667688 Fax: / E-Mail: [email protected]

Bluetooth headset FCC ID: 2A8SLM-01 M-01 External Photographs

Bluetooth headset FCC ID: 2A8SLM-01 M-01 Internal Photographs

RF Exposure Requirements 1.1 Product Description for Equipment Under Test (EUT) Client Information Applicant: Guangzhou Chenfeng Technology Co., Ltd. Address of applicant: E112, No.16, No.14-8, No. 8, Shigang Road, Haizhu District, Guangzhou Manufacturer: Guangzhou Chenfeng Technology Co., Ltd. Address of manufacturer: E112, No.16, No.14-8, No. 8, Shigang Road, Haizhu District, Guangzhou General Description of EUT Product Name: Bluetooth headset Brand Name: / Model No.: M-01 Adding Model(s): / Rated Voltage: Input: DC 3.7V from battery Power Adapter: / Software Version: / Hardware Version: / Serial Number: 2002IJ FCC ID: 2A8SLM-01 Technical Characteristics of EUT Bluetooth Version: V5.3 BLE Frequency Range: 2402-2480MHz RF Output Power: -2.51dBm Data Rate: 1Mbps Modulation: GFSK Quantity of Channels: 40 Channel Separation: 2MHz Type of Antenna: Integral Antenna Gain: 2.67dBi 1.2 Standard Applicable According to §1.1307(b)(1) and KDB 447498 D01 General RF Exposure Guidance v06, the following RF exposure evaluation shall to demonstrate RF exposure compliance. [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 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 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 according to 4.1 f) is applied to determine SAR test exclusion. 1.3 Calculation Method Bluetooth Tx frequency range: 2402~2480MHz Min. test separation distance: 5mm Maximum Conducted Output Power: -2.51dBm Maximum Tune-up Conducted Output Power: -2dBm RF channel transmit frequency: 2440MHz Result: 0.1753 Limit: 3.0 So the transmitter complies with t he RF exposure requirements and the SAR is not required.

深圳市朋伴兴业科技有限公司 UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± 深圳市朋伴兴业科技有限公司 SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-3216Specification DOCUMENT NO. 3216 SPECREV. P1 产品规格承认书 SPECIFICATIONS 客户: CUSTOMER: 产品名称: DESCRIPTION:蓝牙天线 客户型号: CUSTOMERPARTNo: 产品型号: OURMODELNO:PBX3216MC02 日期: DATE:2020/12/22 确认签字,盖章后请返回承认书一份 PLEASERETURNTOUSONECOPYOF“SPECIFICATIONFORAPPROVAL” WITHYOURAPPROVEDSIGNATURES 核准王海审核刘飞制作刘小美 客户承认签印 日期 深圳市朋伴兴业科技有限公司 UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± 深圳市朋伴兴业科技有限公司 SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-3216Specification DOCUMENT NO. 3216 SPECREV. P1 PBX3216MC02Specification OperatingTemp.:-40°C~+85°C 1. FEATURES : ●Lightweight,compact ●Widebandwidth,lowcost ●Built-inantennawithhighgain 2. APPLICATIONS : ●Bluetooth,WirelessLAN,MobileTV ●HomeRFSystem,etc 3.PRODUCTIDENTIFICATION (1)(2)(3) (1)Producttype:MultilayerchipAntenna (2)CenterFrequency:2450MHz (3)ExternalDimensions(L×W)(mm):3.2*1.6 4.SHAPEANDDIMENSIONS: LWHA 3.2±0.21.6±0.20.52±0.10.4±0.1 CH IP45 032 2 16 深圳市朋伴兴业科技有限公司 UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± 深圳市朋伴兴业科技有限公司 SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-3216Specification DOCUMENT NO. 3216 SPECREV. P1 测试板参考尺寸： 单位：mm 深圳市朋伴兴业科技有限公司 UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± 深圳市朋伴兴业科技有限公司 SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-3216Specification DOCUMENT NO. 3216 SPECREV. P1 打孔参考示意图 APPLICATIONGUIDE 5.SPECIFICATIONS: *Testcondition:Testboardsize90*40mm Matchingcircuit:Pimatchingcircuitwillberequired 深圳市朋伴兴业科技有限公司 UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± 深圳市朋伴兴业科技有限公司 SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-3216Specification DOCUMENT NO. 3216 SPECREV. P1 6.ElectricalCharacteristics: 回波损耗 驻波比 MarkFrequencyVSWR 12400MHz1.513 22440MHz1.068 32480MHz1.464 深圳市朋伴兴业科技有限公司 UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± 深圳市朋伴兴业科技有限公司 SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-3216Specification DOCUMENT NO. 3216 SPECREV. P1 RadiationPattern TheGainpatternismeasuredinFAR-fieldchamber.DUTisplacedonthetableofrotator,a standardhornantennaandVectorNetworkAnalyzerisusedtocollectdata. ◎效率 最大增益 深圳市朋伴兴业科技有限公司 UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± 深圳市朋伴兴业科技有限公司 SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-3216Specification DOCUMENT NO. 3216 SPECREV. P1 ◎3DGainPattern(2400MHz) ◎3DGainPattern(2440MHz) ◎3DGainPattern(2480MHz) 深圳市朋伴兴业科技有限公司 UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± 深圳市朋伴兴业科技有限公司 SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-3216Specification DOCUMENT NO. 3216 SPECREV. P1 7.EnvironmentalCharacteristics (1)ReliabilityTest (2)StorageCondition (a)Atwarehouse: Thetemperatureshouldbewithin0~30°Candhumidityshouldbelessthan60%RH. Theproductshouldbeusedwithin1yearfromthetimeofdelivery. (b)Onboard: Thetemperatureshouldbewithin-40~85°Candhumidityshouldbelessthan85%RH. (3)OperatingTemperatureRange Operatingtemperaturerange:-40 °C to+105 °C . 深圳市朋伴兴业科技有限公司 UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± 深圳市朋伴兴业科技有限公司 SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-3216Specification DOCUMENT NO. 3216 SPECREV. P1 8.RecommendedReflowSoldering (1)SolderingGunProcedure Notethefollows,incaseofusingsoldergunforreplacement. (a)Thetiptemperaturemustbelessthan350 ° Cfortheperiodwithin3secondsby usingsolderinggununder30W. (b)Thesolderingguntipshallnottouchthisproductdirectly. (2)SolderingVolume Notethatexcessofsolderingvolumewilleasilygetcrackthebodyofthisproduct. 深圳市朋伴兴业科技有限公司 UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± 深圳市朋伴兴业科技有限公司 SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-3216Specification DOCUMENT NO. 3216 SPECREV. P1 9.TapingPackageandLabelMarking: (unit:mm) (1)Quantity/Reel:5000pcs/Reel (2)Carriertapedimensions (3)Tapingreeldimensions

Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 38 TEST REPORT Reference No. .................... : WTX22X0903208W-1 FCC ID ................................ : 2A8SLM-01 Applicant ........................... : Guangzhou Chenfeng Technology Co., Ltd. Address.............................. : E112, No.16, No.14-8, No. 8, Shigang Road, Haizhu District, Guangzhou Product Name ................... : Bluetooth headset Test Model. ........................ : M-01 Standards .......................... : FCC Part 15.247 Date of Receipt sample .... : September 20,2022 Date of Test........................ : September 20~25,2022 Date of Issue ..................... : September 25,2022 Test Result ......................... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: WaltekTesting Group (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Te s ted by: Reviewed By: Approved & Authorized By: Tom Wang / Project Engineer Jason Su / RF Manager Silin Chen / Manager Reference No.: WTX22X0903208W-1 Page 2 of 38 TABLE OF CONTENTS 1. GENERAL INFORMATION ...................................................................................................................................4 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ...............................................................................4 1.2 TEST STANDARDS ...................................................................................................................................................5 1.3 TEST METHODOLOGY .............................................................................................................................................5 1.4 TEST FACILITY .......................................................................................................................................................5 1.5 EUT SETUP AND TEST MODE .................................................................................................................................6 1.6 MEASUREMENT UNCERTAINTY ..............................................................................................................................6 1.7 TEST EQUIPMENT LIST AND DETAILS .....................................................................................................................7 2. SUMMARY OF TEST RESULTS ...........................................................................................................................9 3. ANTENNA REQUIREMENT ................................................................................................................................ 10 3.1 STANDARD APPLICABLE ....................................................................................................................................... 10 3.2 EVALUATION INFORMATION................................................................................................................................. 10 4. POWER SPECTRAL DENSITY ........................................................................................................................... 11 4.1 STANDARD APPLICABLE ....................................................................................................................................... 11 4.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 11 4.3 TEST PROCEDURE ................................................................................................................................................. 11 4.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 11 5. DTS BANDWIDTH ................................................................................................................................................. 12 5.1 STANDARD APPLICABLE ....................................................................................................................................... 12 5.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 12 5.3 TEST PROCEDURE ................................................................................................................................................. 12 5.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 12 6. RF OUTPUT POWER ............................................................................................................................................ 13 6.1 STANDARD APPLICABLE ....................................................................................................................................... 13 6.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 13 6.3 TEST PROCEDURE ................................................................................................................................................. 13 6.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 13 7. FIELD STRENGTH OF SPURIOUS EMISSIONS ............................................................................................. 14 7.1 STANDARD APPLICABLE ...............................................................................................................…

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Bluetooth headset FCC ID: 2A8SLM-01 M-01 Test Setup Photos Radiated emission 30MHz~1GHz Radiated emission above 1GHz Conducted Emission