2BKEW-K19Karaoke Machine K19

为了更好的发挥产品性能，请您在使用产品前详细阅读 使用说明。首次使用产品时，请先充满电。使用说明书内容 如与实际产品不一致，以实际产品为准。 将充电线USB头插入标准的USB电源适配器（5V 1A）,充电线 头插入到产品的充电接口中，充电接口旁边的红色指示灯亮起 表示产品开始充电。红色指示灯熄灭表示电池 已充满 ，可断开充 电 器和产品的连接。充电请使用原装数据线，不支持快充。本产品不 在产品开机状态下，将TF卡插入卡槽(注意方向)，此时便会自动播 放TF卡的歌曲。 产品开启后，自动进入搜索配对状态，此时打开手机蓝牙功能， 搜索蓝牙设备，当出现K19名称时，点击进入配对，配对成功后会有 提示音，此时打开手机音乐软件即可播放歌曲。 长按开关机键2秒进行开机，并发出开机提示音，表示设备 开启成功。产品使用完毕后，长按开关机键进行关机，并发出 关机提示音。 包装配件: 功能指示图 操作说明 音响功能 录音和充电 产品规格参数 蓝牙听歌 TF卡 开关机操作 充电 温馨提示: 以上数据来源生产商测试所得，实际使用因客观环境和工具 因素不同而略有误差. 使用说明说中的产品、配件、用户界面等插图均为示意图， 仅供参考。由于产品的更新和升级，产品实物与示意图可能略 有差异，请以实际为准. 合格 检验员02 产品合格证 Type-C Story Machine Model No. K19 Manual Instruction Warm Tips Please read the instruction carefully before using the product. In order to better use the product performance, please make it fully charged when using it in the first time. Speaker ON/OFF/Pause PREV SONG/VOL- NEXT SONG/VOL+ MIC ON/OFF Long Press about 2 seconds to turn on/off the product. Short press to pause. On BT/TF card mode, long press for previous song. Short press to decrease the music sound volume. On BT/TF card mode, Long press for next song. Short press to increase the music sound volume. Long press about 2s to turn on/off product. Short press to start MIC silent mode. MIC VOL+/ MIC VOL- Short press to increase MIC volume or decrease MIC volume. After the product is turned on, it enters the searching and matching status. At this point, turn on the cellphone’s bluetooth function, search the device. When the K19 name appears, click to enter matching. After finishing matching, there will be a prompt tone, and then you can play the song on the cellphone. Bluetooth Listening Music Product Name: Microphone player Model Number: K19 Pickup Type: condenser pickup Reverb Mode: Echo reverberation Transmission Distance: about 10m(no barrier) Operating Frequency: 2.402G-2.480GHz Transmitting Power: 4dB Receiving Sensitivity: -85dB SNR: over 80dB THD: less than 3% Output Power: 8W Speaker Specification: 74mm 4Ω/8W Frequency Range: 100Hz-18KHz Power Supply: 5V/1A Charge Time: about 3-4 hours Play Time: about 6-8 hours Speaker Battery Capacity: 2000mA/3.7V Microphone Battery Capacity: 500mA/3.7V Speaker size: 130*75*125mm Microphone size: 130*28mm Speaker Net Weight: about 469g Microphone Net Weight: about 29g The above data is obtained from manufacturer, but the actual use is slightly different due to environment and tool factors. The illustrations of product, accessories and user interface in the instruction manual are schematic diagrams for reference only. Due to updating and upgrading the actual product may be slightly different from the schematic diagram. Please refer to the actual situation. Please turn on the product and insert TF card, then the product will automatic enter TF card playing mode. TF Card Music Listening We prepare a charging cable with USB plug on one end and Type-c plug on the other end. Insert the USB plug into standard power adapter(5V/1A), and the type -c plug into the product, then we can see the bottom charge indicator light turns red, always on. After full charging, the red light will be off, and we just unplug the cable. Please use the original cable for charging, not supprting fast charging. This product is sold without a power adapter. You should purchase a power adapter that has obtained certification and meets the standard requirements. Charging Function Diagram Operation Description Speaker Function Recording And Charging Product Specification 长按约2秒，开启或关闭音箱。短按，暂停或播放。 开机默认蓝牙模式，双击转换模式，蓝牙/TF，依次循环。 蓝牙/TF卡模式播放音乐时，长按切换至上一曲；短按，音量减。 蓝牙/TF卡模式播放音乐时，长按切换至下一曲；短按，音量加。 长按约2秒，开机或关机；短按，开启或关闭麦静音。 如果音箱发出噪音，可能是因为环境噪音，信号干扰，话筒靠喇叭太 近等，请重新调整话筒与音箱的距离。 请勿在高温或潮湿环境中存放本产品。 当本产品发出“嘀嘀”的提示音时，表示产品电量过低，请关闭产品 并及时充电，充电过程中请勿使用产品，以免产生电流声。 若搜不到蓝牙时，请确保产品和手机在有效连接范围内，检查产品是 否处于蓝牙搜索模式，以及产品是否已经和其他手机处于配对中。 若连不上蓝牙时，请检查手机是否连接其他设备的配对名过多，请及 时清除不需要的连接设备。若以上步骤未能解决疑难，请将产品关机 充电或将您的手机关机后重新启动。 注意事项 音箱开关/播放暂停 上一曲/音量减 下一曲/音量加 充电过程中，红色指示灯亮起。充电结束后，指示灯自动熄灭。 充电指示灯 K19 ON/OFF Operation Type-C充电线x1 说明书x1 Long press the ON/OFF key about 2 seconds to turn on the product, and you can hear starting up prompt tone, it means product already starts on. After finishing using, Long press the ON/OFF key about 2 seconds to turn off the product, and then we can hear the shutdown prompt tone. Mode switch/Magic sound/Directory switch/Vocal cut 执行标准：GB/T 13837-2012; GB 17625.1-2012; GB 8898-2011 Don’t put the product in high temperature or humid environment. When you hear a beep sound from the product, it may remind you low power, you need shut down the product and charge it in time. Don’t use the product when charging, in case of the current causing noise. Make sure the product and cellphone are within valid connection range. If you can’t find the bluetooth device name, please check if they are in bluetooth search mode, also check if the product is paired with another cellphone. If you fail to connect via bluetooth, please check if the cellphone connect too many devices. Please remove the overmany devices in time. If the above steps fail to solve the problem, please shut down the product and charge it, or shut down cellphone to restart. If the loudspeaker is noisy, it may be due to ambient noise, signal interference, or the MIC too close to the loudspeaker. Please re-adjust the distance between the MIC and loudspeaker. Accessories 1pcs instruction manual 1pcs charging cable with type-c plug 麦开关 麦音量加/麦音量减 短按，麦音量加或麦音量减。 模式切换/变声/目录切换/消原音 Note 苹果或安卓手机可下载K歌软件进行安装。适当调整麦克风和音 响达到更好效果，打开手机K歌 软件点击K歌伴奏即可K歌。 蓝牙K歌 和录音 Bluetooth Karaoke And Recording Apple or Android cellphones can download karaoke app for installation, and we can adjust the product to achieve the best effect. We can karaoke through the app of cellphone under the accompaniment. 儿童故事机 型号K19 使用说明书 产品名称:麦克风播放器 产品型号:K19 拾音器:电容式 混响模式:回音声效混响 TF卡 播放格式:MP3、WMA、WAV 传输距离:≤约1 0米(无 障碍距离) 工作频率:2.402G-2.480GHz 发射功率:4dB 接收灵敏度:-85dB 信噪比:≥80dB 失真度: 3 8 喇叭规格:mm 4Ω/8W 频响范围:100Hz-18KHz 电源输入:5V 1A ≤% 输出功率:W 74 充电时间:约3-4小时 播放时间:约6-8小时 电池容量:麦克风500mAh/音箱2000mAh 产品尺寸:麦克风130*28mm/音箱130*75*125m…

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Shenzhen Zecai Technology Co., Ltd Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 9/5/2024 U.S. Agent Designation Shenzhen Zecai 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: 2BKEW-K19): Name and company of U.S. agent: SELLER HELPER INC Physical U.S. address of agent: 1312 17th Street#1298, Denver, CO 80202, Jnited States FRN of U.S. agent: 0033884602 Email address of U.S. agent: [email protected] SELLER HELPER INC acknowledges their obligation to accept service of process on behalf of Shenzhen Zecai Technology Co., Ltd Shenzhen Zecai Technology Co., Ltd.with the FRN：0035835297. 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 [Name] yjjia lim [Title] Manager [Company] Shenzhen Zecai Technology Co., Ltd [Name of U.S. agent] Fairy Lee [Title of U.S. agent] Manager [Company of U.S. agent] SELLER HELPER INC 48_[mo del] US_Agent_2.911(d)(7) - U, V05

Karaoke Machine K19 FCC ID: 2BKEW-K19 K19 External photographs

Label And Label Location FCC ID: 2BKEW-K19

Karaoke Machine K19 FCC ID: 2BKEW-K19 K19 Internal photographs

RF Exposure Requirements 1.1 Product Description for Equipment Under Test (EUT) Applicant: Shenzhen Zecai Technology Co., Ltd Address of applicant: Unit 2202, Building E, Dongfang Shengshi Garden, Jinpai Community, Buji Street, Longgang District, Shenzhen City, Guangdong Province.China Manufacturer: Dongguan Moqu Superior Electronic Tech Co,. Ltd. Address of manufacturer: Building 4, Zhongxinbao Bihu Industrial Park, No.1 Senhu Second Road, Fenggang Town, Dongguan City, Guangdong Province, China Client Information General Description of EUT Product Name: Karaoke Machine K19 Brand Name: / Model No.: K19 Adding Model(s): / Rated Voltage: DC5V,1.5A or DC3.7V 1500mAh battery Power Adapter: / Software Version: / Hardware Version: / Serial Number: Tool V1.1.1 FCC ID: 2BKEW-K19 Technical Characteristics of EUT Bluetooth Version: V5.0 (BLE mode) Frequency Range: 2402-2480MHz RF Output Power: 3.68dBm (Conducted) Data Rate: 1Mbps Modulation: GFSK Quantity of Channels: 40 Channel Separation: 2MHz Type of Antenna: Pcb Antenna Gain: 1.2dBi 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: 20cm Maximum Conducted Output Power: 3.68dBm RF channel transmit frequency: 2402MHz Result: 0.11 Limit: 3.0 So the transmitter complies with the RF exposure requirements and the SAR is not required.

Product specification Quick Reference Date Antenna module on the system board Frequenc Range 2400 ~ 2500MHz Ant. Port Input Pwr. (dBm) 0 (Typ. BT class 2 output power) Tot. Rad. Pwr. (dBm) -1.2 (Input pwr – loss pwr) Peak EIRP(dBm) 1.2 Directivity (dBi) 1 (all direction antenna) Efficiency (dB) 6 0.2 % Gain (dBi) 1.2 (Avg Gain XY-plane) Maximum Power (dBm) 1.7 (XY-plane) Minimum Power (dBm) -4(XY-plane) Avg. Power (dBm) -0.5(XY-plane) Input Impendence(ohm) 50 Polarization Type V ertical & Horizontal V . S .W . R < 1.4 All the technical data and information contained herein are subject to change without prior notice Antenna Layout & module on the system board Antenna Gain Gain Table Unit in dBi @2.44GHz XY-plane XZ-plane YZ-plane Efficiency Peak Avg. Peak Avg. Peak Avg. Module Board 1.2 -0.5 1.9 -3.6 1.1 -3.0 6 0.2 % Retum Loss The Environment of Antenna Radiation Pattem 3D radiation pattern diagram XY-plane XZ-plane YZ-plane

Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 36 TEST REPORT Reference No.................... : WTX24X08140026W001 FCC ID ............................... : 2BKEW-K19 Applicant .......................... : Shenzhen Zecai Technology Co., Ltd Address ..........................: Unit 2202, Building E, Dongfang Shengshi Garden, Jinpai Community, Buji Street, Longgang District, Shenzhen City, Guangdong Province.China Manufacturer .................. : Dongguan Moqu Superior Electronic Tech Co,. Ltd. Address of manufacturer ................. : Building 4, Zhongxinbao Bihu Industrial Park, No.1 Senhu Second Road, Fenggang Town, Dongguan City, Guangdong Province, China Product Name .................. : Karaoke Machine K19 Model No........................... : K19 Standards ......................... : FCC Part 15.247 Date of Receipt sample ... : 2024-08-14 Date of Test....................... : 2024-08-15 to 2024-08-18 Date of Issue .................... : 2024-08-18 Test Report Form No. ...... : WTX_Part 15_247W 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 approver. Prepared By: Waltek Testing 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 Tel.: +86-755-33663308 Fax.: +86-755-33663309 Email: [email protected] Tested by: Approved by: Mike Shi Silin Chen Reference No.: WTX24X08140026W001 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 2 of 36 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 .............................................................................................................................................. 7 1.7 TEST EQUIPMENT LIST AND DETAILS ................................................................................................................................... 8 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 11 3. ANTENNA REQUIREMENT ................................................................................................................................ 12 3.1 STANDARD APPLICABLE ....................................................................................................................................................... 12 3.2 EVALUATION INFORMATION ................................................................................................................................................. 12 4. POWER SPECTRAL DENSITY ........................................................................................................................... 13 4.1 STANDARD APPLICABLE ....................................................................................................................................................... 13 4.2 TEST SETUP BLOCK DIAGRAM ........................................................................................................................................... 13 4.3 TEST PROCEDURE ................................................................................................................................................................ 13 4.4 SUMMARY OF TEST RESULTS/PLOTS ............................................................................................................................... 13 5. DTS BANDWIDTH ................................................................................................................................................. 14 5.1 STANDARD APPLICABLE ....................................................................................................................................................... 14 5.2 TEST SETUP BLOCK DIAGRAM ........................................................................................................................................... 14 5.3 TEST PROCEDURE ................................................................................................................................................................ 14 5.4 SUMMARY OF TEST RESULTS/PLOTS ............................................................................................................................... 14 6. RF OUTPUT POWER ............................................................................................................................................ 15 6.1 STANDARD APPLICABLE ....................................................................................................................................................... 15 6.2 TEST SETUP BLOCK DIAGRAM ...............................................................................…

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Karaoke Machine K19 FCC ID: 2BKEW-K19 K19 Test setupt photos Radiated emission 30MHz~1GHz Conducted emission Radiated emission Above 1GHz