
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
KP-539 无线充功率:15W 蓝牙版本: 5.3 蓝牙名称: BT3401 输出功率: 5W 蓝牙频率: 2.4GHZ-2.48GHZ 传输距离: 10米 频响范围: 50HZ-20KHZ 整机信噪比:大于75db 内置锂电池电压:3.7V 充电输入:DC5V/500MA 产品尺寸:235*80*238mm 产品重量:770g 一、开机: 长按开机键两秒开机 ,开机默认暧灯 二、蓝牙功能使用: 1. 本音响支持具有A2DP功能的蓝牙设备使用,开机默认进入蓝牙 模式, 蓝牙指示灯的蓝灯闪亮,并伴有语音提示,此时音响处于等待配 对连接状态,只有在这个状态下,才能与蓝牙音响进行配对并连接。 2.手机连接 第一步在、在手机设置中打开手机蓝牙设置开关,点击搜索设备 第二步,当可用设备显示BT3401字符说明手机找到蓝牙音响,点击 BT3401 进入配对模式,手机与音响配对成功后,会有语音提示并显示已连接。 当你拥有两台BT3401蓝牙音响,通过长按其中一台 键配对,蓝牙互 相连接时,两部音响会自动变为左右声道产生立体环绕声效果,实现 真正的无线立体声。 灯光使用 1)BT3401蓝牙音箱配备13种灯光效果 2)设备开机默认暖灯效果,轻按灯光键调节灯光 FM收音机使用: M键长按切换到FM功能,把充电线连接到产品type-c接口充当收音天线 ,另一端不需要连接任何设备,通过暂停键短按进入电台自动搜索并 自动保存,索的电台通过 +/- 进行已保存的电台选择。 TF卡/U盘功能使用: 将TF卡/U盘插入卡槽位,会出现相应的语音提示,产品将自动读取 卡内音频文件并播放,用户可以使用音箱+/-按键控制音乐大小声音。 时钟设置 短按时间键进入时钟/分钟设置,按+// - / 调节小时/分钟 闹钟设置 短按闹钟键进入时钟/分钟设置,按+/ / -/ 调节小时/分钟,设置 好时间后短按闹钟键再按+// -/ 选择自己喜欢的闹铃、内有7组闹 铃声可选,最后再按闹钟键开启闹钟(设置成功后屏幕出现闹钟的标 志)。闹铃响的时候按任意键可关闭闹铃,在无人关闭状态下,闹铃 响1分钟会自动关闭(关机状态下闹钟也会正常响起,不需要闹钟时请 取消闹钟) 取消闹钟设置: 长按闹铃键(取消成功后屏幕上闹钟标志消失) 白噪音使用: M键长按切换到白噪音模式,按 +//-/ 选择自己喜欢的助眠音乐 长按开机/短按灯光切换 长按功能切换BT/NS/FM模式,短按暂停/播放 短按定时15/30/60,长按蓝牙对联 短按下一曲,长按加音量 短按上一曲,长按减音量 闹钟设置 时钟设置 LED Wireless Charging Bluetooth Speaker KP-539 Instructions for using the wireless charging speaker Wireless charger use: plug in the charger to automatically turn on Long press power / short press light switch Long press function switch BT / NS / FM mode, short press pause / play Short press the timing 15 / 30 / 60, long press the Bluetooth couplet Short press the next song, long press to add the volume Short press the last song, long press to reduce the volume Alarm clock setting Clock Settings technical parameter: Wireless charging power: 15W Bluetooth version: 5.3 Bluetooth name: BT3401 Output power: 5W Bluetooth frequency: 2.4GHZ-2.48GHZ Transmission distance: 10 meters Frequency sound range: 50 HZ-20 KHZ Sigto noise ratio of whole machine: greater than 75 db Built-in lithium battery voltage: 3.7V charging input: DC5V / 500MA Product size: 235 * 80 * 238mm Product weight: 770g Operation description of the key function 一、Start up: long press the start button for two seconds to start up, start up the default heating light 二、The Bluetooth function is used for use: 1. This audio supports the use of Bluetooth devices with A2DP function, boot default into the Bluetooth mode, Bluetooth indicator blue light shining, accompanied by voice prompt, when the stereo is waiting for pairing connection, only in this state, can be paired and connected with the Bluetooth audio. 2. Mobile phone connection The first step is to open the phone Bluetooth setting switch in the phone Settings and click the search device The second step, when the available device displays the BT3401 character indicating that the phone finds the Bluetooth stereo, click BT3401 to enter the pairing mode. After the phone is successfully paired with the stereo, there will be a voice prompt and display the connected. 三、TWS couplet function (this function is suitable for Bluetooth mode only) When you have two BT3401 Bluetooth speakers, bylong pressing one ofthe keys to match, Bluetooth connected to each other, the two speakers will automaticallybecome the left and right sound channels to produce stereo surround sound effect, achieving real wireless stereo. Light use 1) The BT3401 Bluetooth speaker is equipped with 13 lighting effects 2) Start the default warm lamp effect ofthe equipment, and press the light key to adjust the light FM radio to use: M keylong press to switch to the FM function, connect the charging cable to the product type-c interface as a radio antenna, the other end does not need to connect any equipment, through the pause button to enter the station automatic search and automatically save, the cable station through + -saved station selection. TF card / U disk function for use: By inserting the TF card / U disk into the card slot, the corresponding voice prompt will appear. The productwill automaticallyread the audio file in the card and playit. The user can use thevoice to control the musicwith the speaker + -button. Clock Setting Pressthetimekeytoentertheclock/minutesetting,press/adjustthehour/minute +/ / -/ Alarm clock setting +/ / -/ Press the alarm button to enter the clock / minute setting, press / adjust the hour / minute, press the alarm key and then press / select your favorite alarm, there are 7 groups of alarm bells, and finally press the alarm key to open the alarm clock (the alarm mark appears on the screen after successful setting). When the alarm rings, press anykey to close the alarm. When no one turns off, the alarm will automatically turn offfor 1 minute (the alarm will ring normally in the shutdown state, please cancel the alarm clock without the need) Cancel alarm setting: long press the alarm key (the alarm sign disappears on the screen after successful cancellation) White noise use: M to switch to white noise mode, press / choose your favorite sleep music +/ / -/ Safety Instructions: Warranty and After Sales Service : M M 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 deal…
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YIWU SHENG SHUAI ELECTRICS SCIENCE AND TECHNOLOGY CO., LTD. FLOOR: 16-3-1902, LOTUS POND MOONLIGHT. FUTIAN STREET, YIWU, ZHEJIANG, CHINA Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023/08/30 U.S. Agent Designation YIWU SHENG SHUAI ELECTRICS SCIENCE AND TECHNOLOGYCO., 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: 2BCPD-KP-539): 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 YIWU SHENG SHUAI ELECTRICS SCIENCE AND TECHNOLOGY CO., LTD. YIWU SHENG SHUAI ELECTRICS SCIENCE AND TECHNOLOGY CO., LTD. with the FRN [0034184473] 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 haojie Pan Manager YIWU SHENG SHUAI ELECTRICS SCIENCE AND TECHNOLOGYCO., LTD. Signature Michoux Logan PM GSS SERVICE INC 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5
Sincerely, Name/Title: haojie Pan/Manager Company: YIWU SHENG SHUAI ELECTRICS SCIENCE AND TECHNOLOGY CO., LTD. Address: FLOOR: 16-3-1902, LOTUS POND MOONLIGHT. FUTIAN STREET, YIWU, ZHEJIANG China Phone: 18268040602 Fax: N/A E-Mail: [email protected]
FCC ID: 2BCPD-KP-539 External Photos of the EUT Photo 1 Photo 2 Photo 3 FCC ID: 2BCPD-KP-539 Photo 4 Photo 5 Photo 6 FCC ID: 2BCPD-KP-539 Photo 7
Label and Location Size: L: 3.0cm*W: 2.0cm Label and Location Model No.: KP-539 FCC ID : 2BCPD-KP-539
FCC ID: 2BCPD-KP-539 Internal Photos of the EUT Photo 1 Photo 2 Photo 3 FCC ID: 2BCPD-KP-539 Photo 4 Photo 5 Photo 6 FCC ID: 2BCPD-KP-539 Photo 7 Photo 8 Photo 9 BT PCB Antenna Loop coil antenna FCC ID: 2BCPD-KP-539 Photo 10
Page 1 of 5 RF Exposure Evaluation FCC ID: 2BCPD-KP-539 1 Measuring Standard KDB 680106 D01 RF Exposure Wireless Charging Apps v03 2 Requirements According to the item 5 of KDB 680106 D01v03: Inductive wireless power transfer applications that meet all of the following requirements are excluded from submitting an RF exposure evaluation. (1) Power transfer frequency is less than 1MHz. (2) Output power from each primary coil is less than or equal to 15 watts. (3) The system may consist of more than one source primary coils, charging one or more clients. If more than one primary coil is present, the coil pairs may be powered on at the same time. (4) Client device is placed directly in contact with the transmitter. (5) Mobile exposure conditions only (portable exposure conditions are not covered by this exclusion). (6) The aggregate H-field strengths anywhere at or beyond 15 cm surrounding the device,and 20 cm away from the surface from all coils that by design can simultaneously transmit,and while those coils are simultaneously energized, are demonstrated to be less than 50% of the applicable MPE limit. Limits The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) Limits for Maximum Permissible Exposure (MPE) Page 2 of 5 3 Test Setup 4 Test Procedure 1) The RF exposure test was performed in anechoic chamber. 2) The measurement probe was placed at test distance (15 cm from all sides and 20 cm from the top) which is between the edge of the charger and the geometric center of probe. 3) The highest emission level was recorded and compared with limit as soon as measurement of each points (A, B, C, D, E) were completed. 4) The EUT was measured according to the dictates of KDB 680106 D01v03. Remark:The EUT’s test position A, B, C, D and E is valid for the E and H field measurements. 5 Equipment Approval Considerations The EUT does comply with KDB 680106 D01 as follow table. Requirements of KDB 680106 D01 Yes / No Description Power transfer frequency is less than 1 MHz Yes The device operate in the frequency range 110KHz~205KHz Output power from each primary coil is less than 15 watts Yes The maximum output power for each primary coil is 15W. The system may consist of more than one source primary coils, charging one or more clients. If more than one primary coil is present, the coil pairs may be powered on at the same time. Yes The transfer system includes only one primary coils. Client device is placed directly in contact with the transmitter. Yes Client device is placed directly in contact with the transmitter. Mobile exposure conditions only (portable exposure conditions are not covered by this exclusion). Yes Mobile exposure conditions only The aggregate H-field strengths anywhere at or beyond 15 cm surrounding the device, and 20 cm away from the surface from all coils that by design can simultaneously transmit, Yes The EUT H-field strengths at 15 cm surrounding the device and 20 cm above the top surface from all simultaneous transmitting coils are demonstrated to be less than 50% of Page 3 of 5 and while those coils are simultaneously energized, are demonstrated to be less than 50% of the applicable MPE limit. the MPE limit. 6 Description of the test mode Equipment under test was operated during the measurement under the following conditions: Charging and communication mode Test Modes: Mode 1 AC/DC Adapter (5V/3.0A) + EUT + Full load Record Mode 2 AC/DC Adapter (5V/3.0A) + EUT + Half load Record Mode 3 AC/DC Adapter (5V/3.0A) + EUT + Empty load Record Mode 4 AC/DC Adapter (9V/2.0A) + EUT + Full load Pre-Tested Mode 5 AC/DC Adapter (9V/2.0A) + EUT + Half load Pre-Tested Mode 6 AC/DC Adapter (9V/2.0A) + EUT + Empty load Pre-Tested Note: All test modes were pre-tested, but we only recorded the worst case in this report. 7 Description of Support Units Follow auxiliary equipment(s) test with EUT that provided by the manufacturer or laboratory is listed as follow: Description Manufacturer Model Technical Parameters Certificate Provided by Adapter GS-551 Input: AC 100-240V 50/60Hz Output: DC 5V 3A, 9V 2A SDOC Lab. Page 4 of 5 8 Test Instruments list Test Equipment Manufacturer Model No. SN. Cal.Date (mm-dd-yy) Cal.Due date (mm-dd-yy) Exposure Level Tester Narda ELT-400 N-0231 June 25 2023 June 24 2024 Magnetic field probe 100cm 2 Narda ELT probe 100cm 2 M0675 June 25 2023 June 24 2024 9 Test Result H-Field Strength at 15 cm from the edges surrounding the EUT and 15cm from the top surface of the EUT Chargin g Battery Level Unit Frequency Range (MHz) Measured E-Field Strength Values (A/m) FCC H-Field Strength 50% Limits (A/m) FCC H-Field Strength Limits (A/m) Test Position A Test Position B Test Position C Test Position D Test Position E 1% uT 0.147 0.398 0.403 0.383 0.381 0.404 -- -- 1% A/m 0.147 0.318 0.322 0.306 0.305 0.323 0.815 1.63 50% uT 0.147 0.301 0.304 0.296 0.291 0.294 -- -- 50% A/m 0.147 0.241 0.243 0.237 0.233 0.235 0.815 1.63 99% uT 0.147 0.159 0.170 0.161 0.173 0.168 -- -- 99% A/m 0.147 0.127 0.136 0.129 0.138 0.134 0.815 1.63 E-Field Strength at 15 cm from the edges surrounding the EUT and 15cm from the top surface of the EUT Chargin g Battery Level Unit Frequency Range (MHz) Measured E-Field Strength Values (V/m) FCC E-Field Strength 50% Limits (V/m) FCC E-Field Strength Limits (V/m) Test Position A Test Position B Test Position C Test Position D Test Position E 1% V/m 0.147 119.886 121.394 115.362 114.985 121.771 307.0 614.0 50% V/m 0.147 90.857 91.611 89.349 87.841 88.595 307.0 614.0 99% V/m 0.147 47.879 51.272 48.633 52.026 50.518 307.0 614.0 Note: V/m= A/m *377 Page 5 of 5 H-Field Strength at 20cm from the top surface of the EUT Charging Battery Level Unit Frequency Range (MHz) Measured E-Field Strength Values (A/m) FCC H-Field Strength 50% Limits (A/m) FCC H-Field Strength Limits (A/m) Test Position E 1% uT 0.147 0.358 -- -- 1% A/m 0.147 0.286 0.815 1.63 50% uT 0.147 …
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1. Antenna Description: Antenna type Loop coil antenna Model KP-539-1 Frequency range 110KHz~205KHz Manufacturer YIWU SHENG SHUAI ELECTRICS SCIENCE AND TECHNOLOGY CO., LTD Gain 0.00 dBi 2. Antenna Photo: Length: 39.14mm diameter: 9.28mm
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 Report Reference No. ..................... : FCC ID............................................. : CTA23081700201 2BCPD-KP-539 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Amy Wen Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Aug. 23, 2023 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 ............................ : YIWU SHENG SHUAI ELECTRICS SCIENCE AND TECHNOLOGY CO., LTD. Address............................................ : FLOOR: 16-3-1902, LOTUS POND MOONLIGHT. FUTIAN STREET, YIWU, ZHEJIANG, CHINA Test specification ........................... : Standard ........................................... : FCC Rules and Regulations Part 15 Subpart C (Section 15.209), ANSI C63.10: 2013 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purpses 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 ..................... : Bluetooth Speaker Trade Mark ....................................... : N/A Manufacturer .................................... : YIWU SHENG SHUAI ELECTRICS SCIENCE AND TECHNOLOGY CO., LTD. Model/Type reference ...................... : KP-539 Listed Models .................................. : Refer to page 2 Modulation Type ............................... : ASK Operation Frequency ........................ : From 110KHz~205KHz Rating ............................................... : DC 3.7V From Battery and DC 5V From external circuit Wireless charging Output: MAX:15W Result ............................................... : PASS Report No.: CTA23081700201 Page 2 of 24 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 : Bluetooth Speaker Model /Type : KP-539 Listed Models : KP-540, KP-541, KP-542, KP-543, P-545, KP-546, KP-547, KP- 548, KP-549, KP-550, KP-551, KP-552, KP-553, KP-554, KP-555, KP-556, KP-557, KP-558, KP-559, 3401, 2301 Applicant : YIWU SHENG SHUAI ELECTRICS SCIENCE AND TECHNOLOGY CO., LTD. Address : FLOOR: 16-3-1902, LOTUS POND MOONLIGHT. FUTIAN STREET, YIWU, ZHEJIANG, CHINA Manufacturer : YIWU SHENG SHUAI ELECTRICS SCIENCE AND TECHNOLOGY CO., LTD Address : FLOOR: 16-3-1902, LOTUS POND MOONLIGHT. FUTIAN STREET, YIWU, ZHEJIANG, 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.: CTA23081700201 Page 3 of 24 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 Description of the test mode 5 2.4 Special Accessories 5 2.5 Modifications 5 3 T E S T E N V I R O N M E N T .............................................................. 6 3.1 Address of the test laboratory 6 3.2 Test Facility 6 3.3 Environmental conditions 6 3.4 Summary of measurement results 7 3.5 Statement of the measurement uncertainty 7 3.6 Equipments Used during the Test 8 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 ............................................. 9 4.1 AC Power Conducted Emission 9 4.2 Radiated Emission 12 4.3 The 20dB bandwidth 16 4.4 Antenna Requirement 17 5 T E S T S E T U P P H O T O S O F T H E E U T ......................................... 18 6 PH O T O S O F T H E E U T ........................................................... 19 Report No.: CTA23081700201 Page 4 of 24 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 and Regulations Part 15 Subpart C (Section 15.207): Conducted limits. FCC Rules and Regulations Part 15 Subpart C (Section 15.209): Radiated emission limits; general requirements. ANSI C63.10: 2013: American National Standard for Testing Unlicensed Wireless Devices Report No.: CTA23081700201 Page 5 of 24 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 2 S U M M A R Y 2.1 General Remarks Date of receipt of test sample : Aug. 14, 2023 Testing …
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FCC ID: 2BCPD-KP-539 Test Setup Photos of the EUT FCC ID: 2BCPD-KP-539
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 0.11 MHz - 0.205 MHz | - |

Bluetooth Speaker
Equipment Class
DSS - Part 15 Spread Spectrum Transmitter