2A49W-K1V1Wireless microphone

User 's manual Quick Operation Guide This device does not have a power adapter. When charging is required, please use a power adapter that has obtained the CCC certificate and complies with relevant standards. Please use this equipment within the temperature range of 0-40, and store the equipment and accessories within the temperature range of -20- +45. When the ambient temperature is too high or too low, it may cause equipment failure. 1Power-on but disconnected state: the red light and blue light on the front flash alternately 2Power-on and connected state: the blue light on the front is always on 4Charging status: the front red light is always on; the front red light is off when fully charged 1First, insert the USB plug of the receiver into the corresponding USB port of the mobile phone, and the blue light of the receiver indicator flashes at this time. 2Press and hold the power switch on the transmitter for 3 seconds, the microphone is turned on, and the blue light on the front is on at the same time, it means that the power is turned on and the connection is successful. 3At the same time, the blue light on the receiver is steady on, indicating that the connection is successfully paired, and the phone can use the microphone to receive the sound by turning on the camera, voice recorder, and live video APP. 1When the red light on the front of the microphone transmitter flickers, it is a low-power prompt for the device. 2When the device is in use, when the battery of the mobile phone is low and needs to be charged, the mobile phone can be charged through the USB interface of the receiver.Use the USB cable of the mobile phone charger to directly plug into the USB port of the receiver to charge the mobile phone When charging, the front red light on the microphone transmitter will be on, and the front red light will go out when it is fully charged. 1Power-on but disconnected state: blue light flashes 2Power on and connected state: blue light is on. 3Low battery: red light flashes on the front Do not expose the device to high temperatures or around heating devices, such as sunlight, heaters, microwave ovens, ovens or water heaters, etc. Wireless microphone transmitter Wireless microphone receiver User manual (including warranty card) USB Charging cable............................ When charging is complete or not charging, please disconnect the charger from the device and unplug the charger from the power socket. The device is equipped with a non-removable built-in battery, please do not replace the battery yourself to avoid damage to the device Please dispose of this equipment, batteries and related accessories in accordance with local regulations, and do not dispose of them as domestic waste Warning:The battery (battery pack or battery pack) must not be exposed to such as sunlight, fire or similar overheating environment Notice:If the battery is improperly replaced, there is a danger of explosion. Only the same type or equivalent type of battery can be used to replace it. Note: In order to ensure the effective use of the connection, there should be no obstacles between the microphone and the receiver. When wearing the microphone for recording or live video broadcasting, it is recommended to face the receiver, otherwise the signal may be interrupted. Safety information Safety information Receiver Instructions Charging Technical specifications Outline picture (Note: The outline picture is subject to the actual product!) Indicator light description Microphone transmitter 1 1 2 3 4 5 6 7 8 2 3 4 5 7 8 6 Function Description Windbreak Microphone clip Power Power USB Charging port Receiver indicator USB plug Mobile phone charging port Microphone indicator Microphone indicator Dimensions USB Transmitter 57×15×23MMWith back clip Receiver 44×26×7.5MMWith USB plug TYPE C or Lightning Selectable Power input DC5V500mA Phone system Bluetooth receiving distance Android 6.0 or above (Type c interface) or IOS 9.0 or above Effective distance 15 meters (no obstacles in the middle) Operating temperature -5 to 40C° Weight 20g Battery 3.7V/100MAH Lithium Ion Battery Bluetooth Buletooth4.0 Charging time 2 Hours V1123 5678 4 FCC Statement 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. 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.

Shenzhen Shengmai Electronics Co., Ltd. Model Difference Product Name: Wireless microphone Model Number: K1, WM150, WM151, WM166, WM161, WM1, WM3, WM6, WM8, K3, K5, K6, K8, K9 FCC Identifier: 2A49W-K1V1 All the models are the same circuit and RF module, except the mode names and outlook color. Regards Sincerely Client’s signature Client’s name / title: Peter Li / Manager Contact information: 4th Floor, Building 1, No. 34, Hezhou Road, Hezhou Community, Hangcheng Street, Baoan District, Shenzhen, China

Shenzhen Shengmai Electronics Co., Ltd. 1/1 Letter of Authorization Company: Shenzhen Shengmai Electronics Co., Ltd. Address: 4th Floor, Building 1, No. 34, Hezhou Road, Hezhou Community, Hangcheng Street, Baoan District, Shenzhen, China Product Name: Wireless microphone Model Number: K1, WM150, WM151, WM166, WM161, WM1, WM3, WM6, WM8, K3, K5, K6, K8, K9 FCC Identifier:2A49W-K1V1 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Peter Li Date: 2022-06-06 Title: Manager Signature of applicant:

Shenzhen Shengmai Electronics Co., Ltd. 1/1 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2022-06-06 Subject: Request for Confidentiality FCC ID: 2A49W-K1V1 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual No ☐ Internal Photos No ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Peter Li Title: Manager

Size:7.5*5mm M/N: K1 FCC ID: 2A49W-K1V1 Label location

BT ANT

Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20220606001E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 1 of 35 FCC Part 15C Test Report FCC ID:2A49W-K1V1 Applicant: Shenzhen Shengmai Electronics Co., Ltd. Address: 4th Floor, Building 1, No. 34, Hezhou Road, Hezhou Community, Hangcheng Street, Baoan District, Shenzhen, China Manufacturer: Shenzhen Shengmai Electronics Co., Ltd. Address: 4th Floor, Building 1, No. 34, Hezhou Road, Hezhou Community, Hangcheng Street, Baoan District, Shenzhen, China EUT: Wireless microphone Trade Mark: N/A Model Number: K1, WM150, WM151, WM166, WM161, WM1, WM3, WM6, WM8, K3, K5, K6, K8, K9 Date of Receipt: Feb. 24, 2022 Test Date: Feb. 24, 2022 – Feb. 28, 2022 Date of Report: Jun. 06, 2022 Prepared By: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Building C, Shuanghuan, No.8, Baoqing Road, Baolong Industrial Zone, Baolong Street, Longgang District, Shenzhen, Guangdong, China Applicable Standards: FCC PART 15 C 15.249 ANSI C63.10:2013 Test Result: Pass Report Number: DL-20220606001E Prepared (Test Engineer): Pxing Huang Reviewer (Supervisor): Jack Bu Approved (Manager): Jade Yang This test report is based on a single evaluation of one sample of above mentioned products. It is not permitted to be duplicated in extracts without written approval of Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20220606001E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 2 of 35 Table of Contents Page 1 . SUMMARY OF TEST RESULTS 4 1.1 MEASUREMENT UNCERTAINTY 4 2 . GENERAL INFORMATION 5 2.1 GENERAL DESCRIPTION OF EUT 5 2.2 DESCRIPTION OF TEST MODES 6 2.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 7 2.4 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) 7 2.5 TABLE OF PARAMETERS OF TEST SOFTWARE SETTING 7 2.6 EQUIPMENTS LIST FOR ALL TEST ITEMS 8 3 . EMC EMISSION TEST 9 3.1 CONDUCTED EMISSION MEASUREMENT 9 3.1.1 POWER LINE CONDUCTED EMISSION LIMITS 9 3.1.2 TEST PROCEDURE 9 3.1.3 DEVIATION FROM TEST STANDARD 9 3.1.4 TEST SETUP 10 3.1.5 EUT OPERATING CONDITIONS 10 3.1.6 TEST RESULTS 10 3.2 RADIATED EMISSION MEASUREMENT 13 3.2.1 RADIATED EMISSION LIMITS 13 3.2.2 TEST PROCEDURE 14 3.2.3 DEVIATION FROM TEST STANDARD 14 3.2.4 TEST SETUP 14 3.2.5 EUT OPERATING CONDITIONS 15 3.2.6 TEST RESULTS (BETWEEN 9KHZ – 30 MHZ) 16 3.2.7 TEST RESULTS (BETWEEN 30MHZ – 1GHZ) 17 3.2.8 TEST RESULTS (1GHZ~25GHZ) 19 3.3 RADIATED BAND EMISSION MEASUREMENT 21 3.3.1 TEST REQUIREMENT: 21 3.3.2 TEST PROCEDURE 21 3.3.3 DEVIATION FROM TEST STANDARD 21 3.3.4 TEST SETUP 22 3.3.5 EUT OPERATING CONDITIONS 22 4 . BANDWIDTH TEST 25 4.1 APPLIED PROCEDURES / LIMIT 25 4.1.1 TEST PROCEDURE 25 4.1.2 DEVIATION FROM STANDARD 25 Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20220606001E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 3 of 35 Table of Contents Page 4.1.3 TEST SETUP 25 4.1.4 EUT OPERATION CONDITIONS 25 4.1.5 TEST RESULTS 26 5 . ANTENNA REQUIREMENT 30 5.1 STANDARD REQUIREMENT 30 5.2 EUT ANTENNA 30 6 . TEST SEUUP PHOTO 31 7 . EUT PHOTO 33 Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20220606001E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 4 of 35 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15 (15.249) , Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS 15.205(a) 15.209(a) 15.249(a) 15.249(c) Fundamental &Radiated Spurious Emission Measurement PASS 15.249(d) Band Edge Emission PASS 15.215(c) 20dB Bandwidth PASS 15.203 Antenna Requirement PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report 1.1 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2,providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 Conducted Emission Test ±2.56dB 2 RF power,conducted ±0.42dB 3 Spurious emissions,conducted ±2.76dB 4 All emissions,radiated(<1G) ±3.65dB 5 All emissions,radiated(>1G) ±4.89dB 6 Temperature ±0.5°C 7 Humidity ±2% Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20220606001E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 5 of 35 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Product Name: Wireless microphone Trademark N/A Model No.: K1, WM150, WM151, WM166, WM161, WM1, WM3, WM6, WM8, K3, K5, K6, K8, K9 Model Difference All samples are the same except the model name and outlook color, so we prepare " K1" for test only. Operation Frequency: 2402~2480MHz Channel numbers: 79 Channels Transfer Rate: 1/2Mbps Channel separation 1MHz Modulation technology: GFSK, PI/4 DQPSK Antenna Type: Internal Antenna Antenna gain: 0dBi Power supply: DC 3.7V from battery DC 5V from charger Note: 1.For a more detailed features description, please refer to the manufacturer’s specifications or the User's Manual. 2.The EUT’s all information provided by client. Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20220606001E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 6 of 35 3. Channel List Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) 00 2402 27 2429 54 2456 01 2403 28 2430 55 2457 02 2404 29 2431 56 2458 03 2405 30 2432 57 2459 04 2406 31 2433 58 2460 05 2407 32 2434 59 2461 06 2408 33 2435 60 2462 07 2409 34 2436 61 2463 08 2410 35 2437 62 2464 09 2411 36 2438 63 2465 10 2412 37 2439 64 2466 11 2413 38 2440 65 2467 12 2414 39 2441 66 2468 13 2415 40 2442 67 2469 14 2416 41 2443 68 2470 15 2417 42 2444 69 2471 16 2418 43 2445 70 2472 17 2419 44 2446 71 2473 18 2420 45 2447 72 2474 19 2421 46 2448 73 2475 20 2422 47 2449 74 2476 21 2423 48 2450 75 2477 22 2424 49 2451 76 2478 23 2425 50 2452 77 2479 24 2426 51 2453 78 2480 25 2427 52 2454 26 2428 53 2455 …

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Radiated Measurement Photos Conducted Measurement Photos