2BCEC-E08wireless BT earphone

Power bank with BT earphone 2 in 1 user manual Please read the user manual carefully before using the product and keep it properly Supports fast charging input and output of mobile power bank; Supports battery level display; Supports fast charging symbol display; Supports BT music playback; Built-in TYPE-C charging cable Supports BT earphone, with noise reduction function Model：A8 Earphone BT name; E-08 Output power：22.5W Frequency response：80 Hz -20KHz Signal-to-noise ratio：≥85 dB Distortion：＜1 % Bluetooth version：5.4 earphone speaker: 13mm diameter, internal magnet *2, 32Ω Power bank battery specification: 5000mA, power battery 4.2V 21700 Earphone battery specification: 401012 30mA/h Charging input: DC-5V Product size: 85mm*51mm *27mm ±1.5mm Features and functionsFunction diagram Specifications Packing list Open the earphone compartment door, take out the two headsets, and the left and right earphone will start automatically TWS pairing. BT earphone connection operation instructions Earphone operation guide Power bank charging mode Improper use of the product may cause battery failure, severe heating, or even fire or explosion! To avoid personal injury or property damage, please strictly follow the following requirements to store and use this product: When the power bank is charging input: the number on the display is 100%, indicating that it is fully charged. When the power bank is charging output: the digital percentage on the display will gradually decrease, indicating that the available power is getting less and less,keep track of the power status in time. The power bank output charging mode is fast charging mode. Note: When the power bank input and output are working at the same time, the output is slow charging mode Safety warning instructions When use for the first time , please fully charge this product. This product does not contain any user-serviceable parts, and the rechargeable battery is not replaceable. Putting the battery pack into a fire or heating furnace, or mechanically squeezing or cutting the battery pack may cause. Putting the battery pack in an extremely high temperature environment may cause an explosion or leakage of flammable liquids or gases. Exposing the battery pack to extremely low air pressure may cause an explosion or leakage of flammable liquids or gases. Precautions for use Trouble shooting methods Battery Usage Precautions Manufacturer：Shenzhen Bannixing Electronics technology CO, Ltd. Address: 2nd -3rd Floor, 3th Building , Xinxintian Industrial Park, Shajing, Baoan District, Shenzhen City, Guangdong Province Implementation Standards：GB31241 GB4943.1 Warning: A8说明书 材质：128 g书写纸 尺寸：532*106mm 印刷： 正反单色印刷，折 1. Single-click the left or right earphone to play and pause, answer and hang up the call during a call. Double-click to reject the call when a call comes in; double-click the left earphone for the previous song when listening to music, double-click the right earphone for the next song; long press the left earphone for 1.5S to turn on or reduce the volume, long press the right earphone for 1.5S to turn on or increase the volume. Automatically shut down after 5 minutes when not connected to BT. 2. The earphone automatically turns on when it leaves the charging compartment, and automatically shuts down and charges when it is placed in the charging compartment. 3. When one earphone is placed in the charging compartment, the other earphone automatically exits TWS and enters the single-ear working mode. 4.Earphone charging mode When the earphone prompts that the battery is low, please charge it in time. When the earphone is charging in the charging compartment, the red light is on during charging, and the light will be turned off after it is fully charged. When not in use for a long time, make sure to charge it once a month to ensure the battery life. 1、Host .................................................1 unit 2、Flannel bag.......................................... 1 unit 3、User manual ..........................................1 unit During TWS pairing, the red and blue lights of the two earphones will flash alternately. When the TWS pairing is successful, the red and blue lights of one headset will automatically go out, and the red and blue lights of the other headset will still flash alternately. At this time, the headset has entered the state of waiting for Bluetooth pairing with other devices. Open the BT settings of the device and search for the BT name "E-08" for pairing. After the pairing is successful, the earphone will have a voice prompt. At this time, the audio can be played normally, and there will be a prompt tone when the BT earphone is disconnected. FCC Warnning: 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 againstharmful interference in a residential installation. This equipment generates, uses and can radiateradio frequency energy and, if not installed and used in accordance with the instructions, maycause harmful interference to radio communications. However, there is no guarantee thatinterference will not occur in a particular installation. If this equipment does cause harmfulinterference to radio or television reception, which can be determined by turning the equipmentoff and on, the user is encouraged to try to correct the interference by one or more of thefollowing 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. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following …

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Shenzhen Bannixing electronics technology Co.,Ltd Building 3, Xinxintian Industrial Park, Xinsha Road, Shajing Street, Baoan District, Shenzhen China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2024-7-22 To whom it may concern: We, Shenzhen Bannixing electronics technology Co.,Ltd, hereby certify that the equipment for which authorization is sought (FCC ID: 2BCEC-E08) is not “covered” equipment prohibited from receiving an equipment authorization pursuant to § 2.903 of the FCC rules. We also certify that, as of the date of the filing of the application, we are not identified on the Covered List (https://www.fcc.gov/supplychain/coveredlist) as an entity producing “covered” equipment. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(b) and (d)(5) and (6). 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. Sincerely, Signature Shiming Qiu Manager Shenzhen Bannixing electronics technology Co.,Ltd 62_[model] CoveredEqu_2.911(d)(5)(i) and (ii) - U, V03

Shenzhen Bannixing electronics technology Co.,Ltd Building 3, Xinxintian Industrial Park, Xinsha Road, Shajing Street, Baoan District, Shenzhen, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2024/07/13 U.S. Agent Designation Shenzhen Bannixing electronics 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: 2BCEC-E08): Name and company of U.S. agent: GSS SERVICE INC Physical U.S. address of agent: 6547 N Academy Blvd #2266 Colorado Springs COLORADO 80918 United States FRN of U.S. agent: 0033402082 Email address of U.S. agent: [email protected] GSS SERVICE INC acknowledges their obligation to accept service of process on behalf of Shenzhen Bannixing electronics technology Co.,Ltd Shenzhen Bannixing electronics technology Co.,Ltd with the FRN [0034095232] 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). 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. Sincerely, Signature Shiming Qiu General Manager Shenzhen Bannixing electronics technology Co.,Ltd Signature Michoux Logan PM GSS SERVICE INC 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

Shenzhen Bannixing electronics technology Co.,Ltd Add: Building 3, Xinxintian Industrial Park, Xinsha Road, Shajing Street, Baoan District, Shenzhen China Date: 2024-7-22 FCC ID: 2BCEC-E08 Dear Sir/Madam, We, Shenzhen Bannixing electronics technology Co.,Ltd Hereby declares the following statement for Federal Communications Commission, PCB board, circuit, structure and internal of these model(s) are the same, Only model number is different for these model: Product name: wireless BT earphone Model no.: E-08, E-01, E-02, E-03, E-04, E-05, E-06, E-07, E-09, E-10, E-11, E-12, E-13, E-14, E-15, E-16, E-17, E-18, E-19, E-20 Sincerely, Name/Title： Shiming Qiu/Manager Company: Shenzhen Bannixing electronics technology Co.,Ltd Address: Building 3, Xinxintian Industrial Park, Xinsha Road, Shajing Street, Baoan District, Shenzhen China Phone: 13823644657 Fax: N/A E-Mail: [email protected]

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2024-7-22> 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 2BCEC-E08 E-08 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. Sincerely, Name/Title： Shiming Qiu/Manager Company: Shenzhen Bannixing electronics technology Co.,Ltd Address: Building 3, Xinxintian Industrial Park, Xinsha Road, Shajing Street, Baoan District, Shenzhen China Phone: 13823644657 Fax: N/A E-Mail: [email protected]

Shenzhen Bannixing electronics technology Co.,Ltd Building 3, Xinxintian Industrial Park, Xinsha Road, Shajing Street, Baoan District, Shenzhen China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2024-7-22 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: 2BCEC-E08 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： Shiming Qiu/Manager Company: Shenzhen Bannixing electronics technology Co.,Ltd Address: Building 3, Xinxintian Industrial Park, Xinsha Road, Shajing Street, Baoan District, Shenzhen China Phone: 13823644657 Fax: N/A E-Mail: [email protected]

FCC ID: 2BCEC-E08 External Photos of the EUT FCC ID: 2BCEC-E08 FCC ID: 2BCEC-E08 FCC ID: 2BCEC-E08 FCC ID: 2BCEC-E08

Label and Location Size: L: 1.0cm*W: 0.2cm Label and Location FCC ID : 2BCEC-E08

FCC ID: 2BCEC-E08 Internal Photos of the EUT Left side FCC ID: 2BCEC-E08 FCC ID: 2BCEC-E08 ANT FCC ID: 2BCEC-E08 Right side FCC ID: 2BCEC-E08 FCC ID: 2BCEC-E08 ANT

RF Exposure evaluation FCC ID: 2BCEC-E08 1.1. Applicable Standard According to §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. According to §1.1310 and §2.1093 RF exposure requirement KDB447498 v06: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies 1.2. Requirement According to KDB447498 D01 General RF Exposure Guidance v06 Section 4.3.1 Standalone SAR test exclusion considerations: “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.22 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 (see 5) of section 4.1). To qualify for SAR test exclusion, the test separation distances applied must be fully explained and justified by the operating configurations and exposure conditions of the transmitter and applicable host platform requirements, typically in the SAR measurement or SAR analysis report, according to the required published RF exposure KDB procedures. When no other RF exposure testing or reporting is required, a statement of justification and compliance must be included in the equipment approval, in lieu of the SAR report, to qualify for the SAR test exclusion. When required, the device specific conditions described in the other published RF exposure KDB procedures must be satisfied before applying these SAR test exclusion provisions; for example, handheld PTT two-way radios, handsets, laptops & tablets etc.23 “ [(max. power of channel, including tune-up tolerance, mW)/ (min. test separation distance, mm)] · [√f (GHz)] ≤ 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 • 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below 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 5) in section 4.1 is applied to determine SAR test exclusion. 1.3. Manufacturing tolerance GFSK (Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) 0.0 0.0 0.0 Tolerance ±(dB) 1.0 1.0 1.0 π/4DQPSK (Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) -2.0 -2.0 -2.0 Tolerance ±(dB) 1.0 1.0 1.0 Page 2 of 2 2. E v a l u a t i o n R e s u l t Evaluation Results Band/Mode f (GHz) Antenna Distance (mm) RF output power (including tune-up tolerance) SAR Test Exclusion Threshold SAR Test Exclusion dBm mW BT 2.450 5 1.0 1.2589 0.3941<3.0 Yes 3. C o n c l u s i o n The measurement results comply with the FCC Limit per 47 CFR 2.1093 for the uncontrolled RF Exposure and SAR Exclusion Threshold per KDB 447498 v06 .....................End of Report.........................

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：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 1 产品规格承认书 SPECIFICATIONS 客户: CUSTOMER: 产品名称: DESCRIPTION:双极天线 客户型号: CUSTOMERPARTNO: 产品型号: OURMODELNO:PBX1608MC01 日期: DATE: 确认签字,盖章后请返回承认书一份 PLEASERETURNTOUSONECOPYOF“SPECIFICATIONFORAPPROVAL” WITHYOURAPPROVEDSIGNATURES 核准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：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 2 PBX1608MC01Specification 1. Features : ●Stableandreliableinperformances ●Lowprofile，compactsize ●RoHScompliance ●SMTprocessescompatible 2. APPLICATIONS : ●ISM2.4GHzapplications ●ZigBee/BLEapplications ●Bluetoothearphonesystems ●Hand-helddeviceswhenWiFi/Bluetoothfunctionsareneeded，e.g.，Smartphones ●IEEE802.11b/g/n ●WirelessPCMCIAcardsorUSBdongles 3.PartNumberInformation 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：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 3 4.Productdimensions: 1608双极天线 5.ElectricalSpecification: 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：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 4 6.1608双极天线推荐PCB 2 nd EvaluationBoardDimension 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：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 5 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：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 6 7.MeasurementResults ReturnLoss 7.2RadiationPattern 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：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 7 8.RaliabilityandTestCondictions 9.SolderingandMounting 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：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 8 10.天线应用注意事项 11.StorageandTransportationInformation 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：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 9 12.Packing (1)Quantity/Reel：5000pcs/Reel (2)Plastictape：

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. ..................... : FCC ID............................................. : CTA24070800701 2BCEC-E08 Compiled by ( position+printed name+signature) . : File administrators Jinghua Xiao Supervised by ( position+printed name+signature) . : Project Engineer Xudong Zhang Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Jul. 12, 2024 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao‘an District, Shenzhen, China Applicant’s name ............................ : Shenzhen Bannixing electronics technology Co.,Ltd Address ............................................ : Building 3, Xinxintian Industrial Park, Xinsha Road, Shajing Street, Baoan District, Shenzhen, China Test specification ........................... : Standard ........................................... : FCC Part 15.247 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : wireless BT earphone Trade Mark ....................................... : 伴你行/BANNIXING Manufacturer .................................... : Shenzhen Bannixing electronics technology Co.,Ltd Model/Type reference ...................... : E-08 Listed Models .................................. : E-01, E-02, E-03, E-04, E-05, E-06, E-07, E-09, E-10, E-11, E-12, E-13, E-14, E-15, E-16, E-17, E-18, E-19, E-20 Modulation ....................................... : GFSK, Π/4DQPSK Frequency ......................................... From 2402MHz to 2480MHz Rating ............................................... : DC 3.7V From battery and DC 5.0V From external circuit Result ............................................... : PASS Report No.: CTA24070800701 Page 2 of 50 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : wireless BT earphone Model /Type : E-08 Listed Models : E-01, E-02, E-03, E-04, E-05, E-06, E-07, E-09, E-10, E-11, E-12, E-13, E-14, E-15, E-16, E-17, E-18, E-19, E-20 Applicant : Shenzhen Bannixing electronics technology Co.,Ltd Address : Building 3, Xinxintian Industrial Park, Xinsha Road, Shajing Street, Baoan District, Shenzhen, China Manufacturer : Shenzhen Bannixing electronics technology Co.,Ltd Address : Building 3, Xinxintian Industrial Park, Xinsha Road, Shajing Street, Baoan District, Shenzhen, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA24070800701 Page 3 of 50 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 T E S T S T A N D A R D S ................................................................. 4 2 S U M M A R Y ............................................................................ 5 2.1 General Remarks 5 2.2 Product Description 5 2.3 Equipment Under Test 5 2.4 Short description of the Equipment under Test (EUT) 5 2.5 EUT operation mode 6 2.6 Block Diagram of Test Setup 6 2.7 Related Submittal(s) / Grant (s) 6 2.8 Modifications 6 3 T E S T E N V I R O N M E N T .............................................................. 7 3.1 Address of the test laboratory 7 3.2 Test Facility 7 3.3 Environmental conditions 7 3.4 Summary of measurement results 8 3.5 Statement of the measurement uncertainty 8 3.6 Equipments Used during the Test 9 4 T E S T C O N D I T I O N S A N D R E S U L T S ........................................... 11 4.1 AC Power Conducted Emission 11 4.2 Radiated Emission 14 4.3 Maximum Peak Output Power 20 4.4 20dB Bandwidth 21 4.5 Frequency Separation 24 4.6 Number of hopping frequency 26 4.7 Time of Occupancy (Dwell Time) 28 4.8 Out-of-band Emissions 31 4.9 Antenna Requirement 38 5 T E S T S E T U P P H O T O S OF T H E E U T ......................................... 39 6 P H O T O S O F T H E E U T ........................................................... 40 Report No.: CTA24070800701 Page 4 of 50 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 1 T E S T S T A N D A R D S The tests were performed according to following standards: FCC Rules Part 15.247: Frequency Hopping, Direct Spread Spectrum and Hybrid Systems that are in operation within the bands of 902-928 MHz, 2400-2483.5 MHz, and 5725-5850 MHz. ANSI C63.10-2013: American National Standard for Testing Unlicensed Wireless Devices Report No.: CTA24070800701 Page 5 of 50 Shenzhen …

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Report No.: CTA24070800701 Page 34 of 50 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn π/4DQPSK (CH39) π/4DQPSK (CH78) reference reference 30MHz-1G 30MHz-1G 1G-25G 1G-25G Report No.: CTA24070800701 Page 35 of 50 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Band-edge Measurements for RF Conducted Emissions: GFSK Left Band edge hoping off Right Band edge hoping off Left Band edge hoping on Right Band edge hoping on Report No.: CTA24070800701 Page 36 of 50 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn π/4DQPSK Left Band edge hoping off Right Band edge hoping off Left Band edge hoping on Right Band edge hoping on Report No.: CTA24070800701 Page 37 of 50 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Pseudorandom Frequency Hopping Sequence TEST APPLICABLE For 47 CFR Part 15C section 15.247 (a) (1) requirement: Frequency hopping systems shall have hopping channel carrier frequencies separated by a minimum of 25 kHz or the 20 dB bandwidth of the hop-ping channel, whichever is greater. Alternatively, frequency hopping systems operating in the 2400–2483.5 MHz band may have hopping channel carrier frequencies that are separated by 25 kHz or two-thirds of the 20 dB bandwidth of the hopping channel, whichever is greater, provided the systems operate with an output power no greater than 125 mW. The system shall hop to channel frequencies that are selected at the system hopping rate from a pseudo randomly ordered list of hopping frequencies. Each frequency must be used equally on the average by each transmitter. The system receivers shall have input bandwidths that match the hop-ping channel bandwidths of their corresponding transmitters and shall shift frequencies in synchronization with the t…

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