Product Introduction

The Bluetooth Omnidirectional Microphone Cascade Model is a set of two portable omnidirectional microphone-conference speakers based on Bluetooth connectivity. It serves as the audio input and output device for smart mobile devices such as computers and smartphones, and can also be connected to terminal devices individually via USB or Bluetooth. Suitable for small meetings, it can also be used normally in high-end home business or leisure and entertainment venues.

Key Customer Benefits

The Bluetooth omnidirectional microphone can pair with two smart mobile devices via Bluetooth and supports audio input/output for instant messaging software. Its effective pickup radius reaches 3m×2. Adopting the 3rd-generation voice processing technology, the microphone integrates digital audio processing, dynamic noise reduction, industry-leading 384ms echo cancellation, full-duplex voice call technology, Bluetooth cascading, and 360° omnidirectional pickup. It enables bidirectional, natural, and smooth conversations simultaneously, making meeting communication easier, clearer, and more efficient, while delivering a high-quality meeting experience to users. Featuring a compact and portable design, it can also function as a microphone and speaker for computers and smart mobile devices, supporting music playback, recording, calls, and other corresponding functions.

Features

Internet Conference 

CallsSupports general audio and video conferencing software on computers, including common video conferencing applications such as Tencent Meeting, HST Meeting, Skype and DingTalk.

Bluetooth CallsAfter 

Connecting smartphones or tablets to the device via Bluetooth, users can enjoy high-fidelity speakers and microphones.

3rd-Generation Voice Processing Technology

360° full-coverage intelligent sound pickup

384ms echo cancellation

Full-duplex call technology

Intelligent dynamic noise reduction

Portable Microphone and Speaker

Driver-free and plug-and-play

Clear sound quality without noise or harshness

Compact and easy to carry

Product Parameters

Basic Information

Size Diameter: 120mm; Height: 39.5mm（Single unit）

Weight Net Weight: 252g （Single unit）

color Carbon Rock Gray

Connection USB 2.0 (Full-Speed)、Bluetooth

Power USB Bus Power Supply (5V 500mA)

Built-in Lithium Battery Power Supply (2000mAh)

Bluetooth、Bluetooth adapter Maximum Communication Distance: 10 meters (without obstacles)

Environmental Specifications Temperature: 0oC to 44oC

Humidity: 20% to 85% (non-condensing)

Storage Temperature: -10°C to 55°C

Noise Level: < 48 dB

Reverberation Time: < 0.5 seconds

Audio Features

Microphone Omnidirectional Microphone

Audio Bandwidth: 48K audio pickup sampling rate + 48K playback sampling rate

Sensitivity: -38dB (94dB SPL @ 1KHz)

Signal-to-Noise Ratio (SNR): 65dB (94dB SPL @ 1KHz, A-weighted)

Speaker 2-inch anti-magnetic speaker, 4Ω 5W （Single unit）

Volume Instantaneous Maximum Value: 90dB (at 0.5m)

Audio Characteristics 360° Intelligent Sound Pickup

384ms Echo Cancellation 

Intelligent Dynamic Noise Reduction  

Automatic Gain Control

Full Duplex

Microphone Omnidirectional Microphone

Audio Bandwidth: 48K audio pickup sampling rate + 48K playback sampling rate

Sensitivity: -38dB (94dB SPL @ 1KHz)

Signal-to-Noise Ratio (SNR): 65dB (94dB SPL @ 1KHz, A-weighted)

Host Configuration

USB cable length 1.2 meters

Button Bluetooth Key (Icon Status)

Microphone Mute Button

Volume Increase Button

Volume Decrease Button

Power Button (When there is an incoming call, short press to answer/hang up; long press to turn on/off the device)

Packing List Main Unit * 2  Bluetooth adapter*1 User Manual * 1

Indicator Light

Status Indicator Light Normal Operation: Green LED stays on steadily

Speaker Muted: Green LED flashes (Speaker is muted when the volume is turned down to the minimum)

Microphone Muted: Red LED stays on steadily

Volume Adjustment: The indicator light flashes corresponding to the number of adjustment presses

Low Battery: Orange LED flashes rapidly

Charging: Red LED stays on steadily; turns off when fully charged

Bluetooth Disconnected: Bluetooth indicator light flashes rapidly