USB & Bluetooth Conference Speakerphone-JT-M4B

USB & Bluetooth Conference Speakerphone-JT-M4B

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JT-M4 connects to a computer through a USB cable or matches a smart mobile device through Bluetooth, supports audio input and output of network instant messaging software, and its effective pickup radius can reach 3m. JT-M4 applies the third generation of JJTS audio and voice processing technology, including digital audio processing technology, dynamic noise reduction processing technology, industry-leading 384ms echo cancellation, full-duplex voice call technology, 360° omnidirectional sound pickup technology, etc. , can conduct two-way, natural and smooth talks at the same time, making conference communication easier, clear and efficient, and giving users a high-quality conference experience.

USB & Bluetooth Conference Speakerphone-JT-M4B details picture as below:

Main Application

JT-M4B is suitable for use in small meetings, and can also be used normally in high-end family business or leisure and entertainment venues.

Key Feature

◈ Internet conference call

Support general audio and video conferencing software, such as Zoom, WeChat etc.

◈ Bluetooth call

After mobile phones and tablets are connected to the device via bluetooth, they can have high-quality speakers and microphones

◈ The third generation

KATO voice processing Technology

Smart pickup with 360° high coverage

384ms echo cancellation

Full-duplex call technology

Intelligent dynamic noise reduction

HD audio

In Bluetooth playback mode: 48K playback sampling rate

◈ Portable microphone and speaker

No need to drive, plug and play

Clear sound quality, no noise and no harshness

Small size, easy to carry

Technical Parameters

Component

Desktop host computer with audio processing function and USB function control,

indicator lights and buttons

Built-in large capacity lithium battery

Bluetooth 5.0

Size

Diameter 120mm

Height 39.5mm

Net weight

252g

Color

Carbonite Grey

Connector

USB 2.0

（compatible with USB 1.1）

Microphone

Omnidirectional microphone

Audio bandwidth 100～16KHz

Sensitivity: -38dB

94dB SPL@1KHz

Signal to noise ratio: 65dB

94dB SPL@1KHz, A-weight

Speaker

2 inch antimagnetic speaker

4Ω5W

Power supply

USB bus power supply (5V500mA)

Built-in lithium battery power supply (2000mA)

Computer system requirements (USB)

Windows 8 / Windows 7 / Windows 10/mac OS, etc

Mobile phone operating system (Bluetooth)

Android, IOS

Indicator

Mute microphone`

Volume up/down adjustment

Bluetooth wireless communication

Button

Bluetooth key (icon status)

Microphone mute button

Volume up button

Volume down button

Switch button (when a call comes in, short press to answer

or hang up; long press to switch)

Product Performance Standards

YD/T 993-1998

GB/T 9254-2008

GB 4843.1-2011

LED status indicator

Normal work:

the green light always on

Speaker mute:

flashing green

Mute microphone:

red light always on

Volume adjustment:

indicator light flashes

Low power:

orange indicator light flashes

Indicator red light always on: charging, the red light goes out after full

Environmental requirements

Temperature: 5°～44°

Humidity: 20～85% (no condensation)

Noise level: <48db

Storage temperature: -10°～55°

Download to Get More Info

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