New K400 Portable Microphone Voice Amplifier phone Booster FM Radio MP3 With Wired Microphonefor Teacher Training Tour Guide

New K400 Portable Microphone Voice Amplifier phone Booster FM Radio MP3 With Wired Microphonefor Teacher Training Tour Guide

Describe:

1. Applicable scenarios: you can use this product for company meetings, teacher lectures, outdoor development, supermarket promotions, yoga, and squares

2. Powerful functions: two-color breathing lights, classified folders allow you to find what you want to find faster, and one-line three-way (charging/downloading/computer audio) saves you troubles because of different lines

3. High-quality materials: The surface of the piano shows a high-level feeling, and the surface is protected from scratches and lasts for a time.

4. Power-off memory: precise power control technology, so that you can know in advance when there will be no power to prepare in advance

5. Powerful functions: adjust volume, can support song switching, pause and play, making it more convenient for you to operate

Specifications:

Material technology: ABS plastic

Product color: pink, black

Rated power: 5W

Input power: USB powered

Separation: 80dB

Distortion: 1% (3.7V, 1KHz, 1W)

Signal-to-noise ratio: 83dB

Working voltage: DC3.7V

Battery specification: 3.7V/18650 external

Impedance: 2Ω

Audio format: MP3/WAV

Machine volume: 85mmX85mmX34mm (WxHxD)

Working temperature: -5° ~40°

Machine net weight: 133g (including battery)

Gross weight: 250g

Battery capacity: 1200mAh

Packing size: 18*6*12cm

List:

Belt * 1

speaker*1

lithium battery*1

wired headset*1

data cable*1, manual*1

Basic method:

1) It is best to p the microphone 50cm away from the speaker.

2) The distance between the microphone and the mouth should not exceed 2cm.

3) Gradually increase the volume from the bass to avoid howling.

4) Try using a larger room (more than 10 square meters) or test outdoors.

There could be some deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding. If you do not understand what you can contact customer service at any time, I wish you a happy shopping.