2A8NV-BS07AWIRELESS WEARABLE SPEAKER

BS07A使用说明书 BS07A User manual 尊敬的客户Dear Customers 非常感谢您选用BS07A蓝牙音箱，请在使用前，详细阅读本说明书，正确操作使用，更好的发挥产品优越性 能。 Thank you very much for choosing the BS07A Bluetooth speaker. Please read this manual carefully before using it, operate it correctly, and give full playing of superior performance of the product. 本产品外观设计时尚,轻巧便携,音质纯美，全系列拥有外观专利,系统上采用行业领先电声技术，使您在居家使 用,商务工作中随时随地享受到卓越的3D现场音效。 This product has a stylish design, lightweight and portable, and pure sound quality. The entire series has appearance patents. The system adopts industry-leading electro-acoustic technology, allowing you to enjoy excellent 3D live sound effects anytime, anywhere in home use and business work. 安全注意事项Safety Precautions 1. 请在常温环境中存放以及使用本产品，勿将本产品暴露在雨中或潮湿环境中； Please store and use this product in a normal temperature environment, do not expose this product to rain or humid environment; 2. 请勿丢掷及拆解.修理和改造本产品，避免造成产品不必要损害； Do not throw or disassemble. Repair and modify this product to avoid unnecessary damage to the product; 3. 产品内置锂电池，请勿随意丢弃或置以火中，以免引起危险； The product has built-in lithium battery, please don't throw it away or put it in fire to avoid danger; 4. 为有利于延长音箱使用寿命和您的身心健康，请不要在长时间大音量的环境下听音，以免损害您的听力； In order to help prolong the service life of the speakers and your physical and mental health, please do not listen to the sound in a long-term high-volume environment, so as not to damage your hearing; 5. 出现故障时，请立即断开电源，防止声器及其它元件损坏； In the event of a failure, please disconnect the power immediately to prevent damage to the speaker and other components; 6. 电量不足会影响蓝牙音效或蓝牙容易断开，请及时充电。 Insufficient battery will affect the Bluetooth sound effect or Bluetooth is easy to disconnect, please charge in time. The key distribution The LED light The microphone port USB charging port Silica gel dust cover 需要附类似于BS07的这种接口按键示意图。 This interface key diagram similar to BS07 needs to be attached. 按键定义Button definition 本产品使用物理按键结构设计, 按键操作说明如下： This product supports the use of physical button structure design, the button operation instructions are as following. 开关机：开关机/开启关闭RGB氛围灯 Switch on/off: Switch on/off RGB atmosphere lamp 上一曲按键：上一曲/音量加 Previous key: Previous/Volume Plus 下一曲按键：下一曲 /音量减 Next button: Next button/Volume down 多功能按键：播放 暂停/取消蓝牙配对/接打电话 Multi-function button: Pause play/cancel Bluetooth pairing/receive and call 充电指示灯+MIC孔位置排版时线框图 上需要标识下。 The position of charging indicator +MIC hole should be marked on the wireframe diagram for layout. 操作说明Instructions 蓝牙连接（蓝牙连接操作示意图或者线框图）Bluetooth connection (Bluetooth connection operation diagram or wireframe diagram) 长按开关机键4S，设备开机并进入蓝牙配对模式，手机搜索蓝牙配对名“BS07A”后进行连接. Long press the power button for 4S, the device is turned on and enters the Bluetooth pairing mode, the mobile phone searches for the Bluetooth pairing name "BS07A" and then connects. 设备开机5分钟后无操作将自动关机。The device will automatically power off after 5 minutes without operation. 上下曲/音量加减（配相关示意图或线框图）Up and down/volume up and down (with relevant schematic or wireframes) 蓝牙成功连接后，短按 上一曲 按键切换到上一曲，短按下一曲 按键切换到下一曲；长按上一曲按键音量加，长按下一曲按键音量减. 通话功能（来电提醒示意图或者线框图）Phone call function（Call alert diagram or wireframe diagram） 1. 设备成功地与智能手机连接后，当有来电时，音箱会提示用户来电，用户可以短按多功能按键来接听来电，再次短按挂断电话； 2. 来电时长按多功能按键2S拒接电话. 充电功能（配充电示意图或者线框图）Charging function(Charging diagram or wireframe diagram) 插入出厂配套Type-C线，设备开始充电并白灯亮，设备充满电后白灯灭。 Plug in the factory-equipped Type-C cable, the device starts to charge and the write light is on, and the write light is off when the device is fully charged. 模式切换（配模式切换示意图）Mode switching (Schematic diagram of configuration mode switching) 插入AUX线后，设备自动进入AUX模式，并播放AUX线另一端的设备音源. After the AUX cable is inserted, the device automatically enters AUX mode and plays the device audio source at the other end of the AUX cable. 取消蓝牙配对（配操作示意图）Cancel Bluetooth pairing (Configuration operation diagram) 蓝牙连接后，连续长按5秒多功能按键，取消当前蓝牙配对。After Bluetooth connection, press the multi-function button continuously for 5 seconds to cancel the current Bluetooth pairing. 开启RGB灯效（配操作示意图）Turning on RGB light effect (Schematic diagram of operation) 设备开机后，连续短按2下开关机按键，开启RGB灯效，再连续短按2下，关闭灯效. After the device is turned on, press the switch button twice continuously to turn on the RGB light effect, and then press it twice continuously to turn off the light effect. 技术参数Technical Parameters 1. 输入充电电压和电流：5V/1000MA Input charging voltage and current: 5V/1000MA 2. 电池类型：聚合物锂电池 3. 电池容量：850mAh Battery capacity: 850mAh 4.蓝牙版本： V5.3 Bluetooth version: V5.3 5.可工作范围：15M Working range: 15M 6.工作时长：6H Working hours: 6H 备注：该说明书所有参数及操作方法可能会随着软硬件方案的迭代有所更新，如有变更，恕不另行通知。 Remarks: All parameters and operation methods of this manual may be updated with the iteration of the software and hardware solutions, subject to change without notice FCC Compliance Statement: 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: 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 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…

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Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern 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 request confidentiality for the documentation of the following products: FCC ID Model name 2A8NV-BS07A BS07A For the products listed above, we request permanent confidentiality for all applicable exhibits as there are:  the Operational Description  the Block Diagram  the Schematics The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date 2022.11.02 Printed Name of Signee: Company: Shenzhen E-Ran Technology Co., Ltd. Address: Room 201, Plant No.34, Zhangyi Residential Quarter, Junzibu Community, Guanlan Street, Longhua District, Shenzhen Phone: 17302623056 Fax: 17302623056 Email: [email protected]

- Page 1 of 4 - ET-22092029 Product Name: WIRELESS WEARABLE SPEAKER Test Model No.: BS07A Ext Photos - Page 2 of 4 - ET-22092029 - Page 3 of 4 - ET-22092029 - Page 4 of 4 - ET-22092029 -----END-----

Label and label location Size: 30*20mm Label location

- Page 1 of 6 - ET-22092029 Product Name: WIRELESS WEARABLE SPEAKER Model No.: BS07A Internal photos - Page 2 of 6 - ET-22092029 - Page 3 of 6 - ET-22092029 RF ANT - Page 4 of 6 - ET-22092029 - Page 5 of 6 - ET-22092029 - Page 6 of 6 - ET-22092029 ------END-----

FCC ID: 2A8NV-BS07A RF Exposure Evaluation TEST STANDARDS Follow the maximum permissible exposure (MPE) limits specified in 447498 D04 Interim General Radio Frequency Exposure Guidelines v01. The gain of the antenna used in the product was extracted from the supplied antenna data sheet and the maximum total power input to the antenna was also measured. Calculate the distance from the product to the MPE limit by the formula. LIMIT For single RF sources (i.e., any single fixed RF source, mobile device, or portable device, as defined in paragraph (b)(2) of this section): A single RF source is exempt if: (A) The available maximum time-averaged power is no more than 1 mW, regardless of separation distance. This exemption may not be used in conjunction with other exemption criteria other than those in paragraph (b)(3)(ii)(A) of Part 1.1307. Medical implant devices may only use this exemption and that in paragraph (b)(3)(ii)(A); (B) Or the available maximum time-averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold Pth (mW) described in the following formula. This method shall only be used at separation distances (cm) from 0.5 centimeters to 40 centimeters and at frequencies from 0.3 GHz to 6 GHz (inclusive). Pth is given by: (C) Or using below table and the minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. For the exemption in Table 1 to apply, R must be at least λ/2π, where λ is the free-space operating wavelength in meters. If the ERP of a single RF source is not easily obtained, then the available maximum time-averaged power may be used in lieu of ERP if the physical dimensions of the radiating structure(s) do not exceed the electrical length of λ/4 or if the antenna gain is less than that of a half-wave dipole (1.64 linear value). FCC ID: 2A8NV-BS07A For multiple RF sources: Multiple RF sources are exempt if: (A) The available maximum time-averaged power of each source is no more than 1 mW and there is a separation distance of two centimeters between any portion of a radiating structure operating and the nearest portion of any other radiating structure in the same device, except if the sum of multiple sources is less than 1 mW during the time-averaging period, in which case they may be treated as a single source (separation is not required). This exemption may not be used in conjunction with other exemption criteria other than those is paragraph (b)(3)(i)(A) of Part 1.1307. Medical implant devices may only use this exemption and that in paragraph (b)(3)(i)(A). (B) in the case of fixed RF sources operating in the same time-averaging period, or of multiple mobile or portable RF sources within a device operating in the same time averaging period, if the sum of the fractional contributions to the applicable thresholds is less than or equal to 1 as indicated in the following equation. Where: a = number of fixed, mobile, or portable RF sources claiming exemption using paragraph (b)(3)(i)(B) of Part 1.1307 for Pth, including existing exempt transmitters and those being added. b = number of fixed, mobile, or portable RF sources claiming exemption using paragraph (b)(3)(i)(C) of Part 1.1307 for Threshold ERP, including existing exempt transmitters and those being added. c = number of existing fixed, mobile, or portable RF sources with known evaluation for the specified minimum distance including existing evaluated transmitters. Pi = the available maximum time-averaged power or the ERP, whichever is greater, for fixed, mobile, or portable RF source i at a distance between 0.5 cm and 40 cm (inclusive). Pth,i = the exemption threshold power (Pth) according to paragraph (b)(3)(i)(B) of this section for fixed, mobile, or portable RF source i. FCC ID: 2A8NV-BS07A ERPj = the ERP of fixed, mobile, or portable RF source j. ERPth,j = exemption threshold ERP for fixed, mobile, or portable RF source j, at a distance of at least λ/2π according to the applicable formula of paragraph (b)(3)(i)(C) of Part 1.1307. Evaluatedk = the maximum reported SAR or MPE of fixed, mobile, or portable RF source k either in the device or at the transmitter site from an existing evaluation at the location of exposure. Exposure Limitk = either the general population/uncontrolled maximum permissible exposure (MPE) or specific absorption rate (SAR) limit for each fixed, mobile, or portable RF source k, as applicable from § 1.1310. Test Result of RF Exposure Evaluation Protocol Fre. (MHz) Output power (dBm) Tune-up power (dBm) Max tune-up power (dBm) ANT Gain ( dBi) Max EIRP (dBm) Max EIRP (mW) Separation distance (cm) Limit (mW) Result BT 2441 0.32 0±1 1.0 2.75 3.75 2.37 0.5 2.76 PASS Note: 1. This device is portable device. 2. The source of the evaluation data results is based on the test report ET-22092029E. 3. The Maxinum power is less than the limit, complies with the exemption requirements.

Report No.: ET-22092029E This test report is valid for the tested samples only. It cannot be reproduced except in full without prior written consent of Shenzhen ETR Standard Technology Co., Ltd. TEST REPORT Applicant: Shenzhen E-Ran Technology Co., Ltd. Address of Applicant: Room 201, Plant No.34, Zhangyi Residential Quarter, Junzibu Community, Guanlan Street, Longhua District, Shenzhen Manufacturer/Factory: Shenzhen Yinuo Digital Technology Co.,Ltd Address of Manufacturer/Factory: Room 201, Plant No.34, Zhangyi Residential Quarter, Junzibu Community, Guanlan Street, Longhua District, Shenzhen Product Name: WIRELESS WEARABLE SPEAKER Model No.: BS07A Trade Mark: ERAN/ENUOSUMA FCC ID: 2A8NV-BS07A Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of Test: Sep.30, 2022 - Oct.16, 2022 Date of report issued: Oct.31, 2022 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Remark: 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 Shenzhen ETR Standard Technology Co., Ltd. Address: No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Compiled by: Reviewed by: Approved by: Project Engineer Project Manager Authorized Signature - Page 2 of 50 - Report No.: ET-22092029E Report Revision History Report No. Description Issue Date ET-22092029E Original Oct.31, 2022 - Page 3 of 50 - Report No.: ET-22092029E Tel:(86-755) 85259392 Email:[email protected] Web: www.etrlab.cn No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Contents Page 1 TEST SUMMARY ......................................................................................................................................4 2 GENERAL INFORMATION .......................................................................................................................5 2.1 GENERAL DESCRIPTION OF EUT ..........................................................................................................5 2.2 TEST MODE .........................................................................................................................................7 2.3 DESCRIPTION OF SUPPORT UNITS ........................................................................................................7 2.4 DEVIATION FROM STANDARDS ..............................................................................................................7 2.5 ABNORMALITIES FROM STANDARD CONDITIONS ....................................................................................7 2.6 TEST FACILITY.....................................................................................................................................7 2.7 TEST LOCATION...................................................................................................................................7 2.8 ADDITIONAL INSTRUCTIONS ..................................................................................................................7 3 TEST INSTRUMENTS LIST ......................................................................................................................8 4 TEST RESULTS AND MEASUREMENT DATA .......................................................................................9 4.1 ANTENNA REQUIREMENT ......................................................................................................................9 4.2 CONDUCTED EMISSIONS ....................................................................................................................10 4.3 CONDUCTED PEAK OUTPUT POWER ...................................................................................................13 4.4 20DB EMISSION BANDWIDTH ..............................................................................................................17 4.5 CARRIER FREQUENCIES SEPARATION .................................................................................................21 4.6 HOPPING CHANNEL NUMBER .............................................................................................................25 4.7 DWELL TIME ......................................................................................................................................27 4.8 BAND EDGE.......................................................................................................................................32 4.8.1 Conducted Emission Method ......................................................................................................32 4.8.2 Radiated Emission Method .........................................................................................................36 4.9 SPURIOUS EMISSION .........................................................................................................................38 4.9.1 Conducted Emission Method ......................................................................................................38 4.9.2 Radiated Emission Method .........................................................................................................42 5 TEST SETUP PHOTO .............................................................................................................................50 6 EUT CONSTRUCTIONAL DETAILS .......................................................................................................50 - Page 4 of 50 - Report No.: ET-22092029E Tel:(86-755) 85259392 Email:[email protected] Web: www.etrlab.cn No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China 1 Test Summary Test Item …

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ET-22092029 Page 1 of 2 Product Name: WIRELESS WEARABLE SPEAKER Test Model No.: BS07A Test Setup Photo Radiated emissions 30MHz to1GHz Above 1GHz ET-22092029 Page 2 of 2 Conducted Emission ------End------