UM21| USB Conference Speakerphone with AI Noise Reduction

The UM21 is a USB conference speakerphone designed to deliver professional audio performance for video conferencing, remote work, VoIP communication, and collaborative environments. Featuring AI-based noise reduction technology, 360° voice pickup, voice enhancement, and full-duplex communication, the UM21 provides clear, natural, and uninterrupted conversations for offices, home offices, and small meeting rooms.

Equipped with a dual omnidirectional microphone array, the UM21 captures voices from all directions within a 4-meter (13 ft) radius, allowing multiple participants to communicate clearly without needing to sit directly in front of the device. The integrated AI-based audio processing technology effectively reduces background noise, minimizes echo, and enhances voice clarity, ensuring a professional and comfortable meeting experience even in shared or open environments.

Supporting full-duplex communication, the UM21 enables multiple users to speak and listen simultaneously without audio cutouts or interruptions, creating smoother and more natural conversations during online meetings. The integrated one-touch mute control allows users to quickly mute or resume microphone and speaker functions when needed. With USB plug-and-play connectivity through a USB-A to USB-C cable, the UM21 requires no additional drivers or software installation. It is compatible with popular communication platforms including Zoom, Microsoft Teams, Webex, Skype, GoToMeeting, and other VoIP applications on Windows and Mac OS systems.

With a compact 129 × 129 × 32 mm design and lightweight construction, the UM21 USB conference speakerphone is easy to carry, install, and integrate into different working environments. It is an ideal audio solution for conference rooms, small meeting spaces, remote offices, online education, business communication, and flexible workspace applications.

AI-Based Noise Reduction & Echo Suppression:
Powered by advanced AI audio processing technology, the UM21 USB conference speakerphone reduces background noise, suppresses echo, and enhances voice clarity for professional video conferencing and online meetings.

360° Voice Pickup with Dual Microphones:
Featuring dual omnidirectional microphones, the UM21 captures voices from all directions within a 4-meter (13 ft) range, enabling clear communication for multiple participants.

Full-Duplex Hands-Free Communication:
Supports simultaneous speaking and listening without audio cutouts, delivering smooth and natural conversations during conference calls and virtual meetings.

USB Plug & Play Connectivity:
Connect the UM21 directly to computers or laptops via USB without additional drivers. It supports instant plug-and-play operation on Windows and Mac OS systems.

Compatible with Popular Meeting Platforms:
Works seamlessly with Zoom, Microsoft Teams, Webex, Skype, GoToMeeting, and other VoIP applications for flexible business communication.

Compact Design for Flexible Workspaces:
With a lightweight and space-saving design, the UM21 is easy to deploy in conference rooms, home offices, remote workspaces, online education, and business environments.

Microphone:
Microphone Array: 2 × Omnidirectional Microphone Array
Microphone Type: Condenser Microphone
Microphone Sensitivity: -36 ± 1 dB
Sample Rate: 16 kHz / 16-bit HD Voice
Frequency Response: 50 Hz – 16 kHz
Signal-to-Noise Ratio (SNR): >75 dB
Voice Pickup Range: Up to 4 m / 13 ft Radius

Audio Technology:
360° Voice Pickup, AI-Based Noise Reduction, Echo Suppression, Voice Enhancement, Full-Duplex Communication

Speaker:
Peak Audio Output: 85 dB @ 0.5 m
Maximum Input Power: 3 W
Frequency Response: 20 Hz – 20 kHz

Connection:
Connection Interface: USB-C
USB Cable: USB-A to USB-C Cable, Approx. 2 m
Power Input: 5 V / 0.5 A Max
Connected Device: 1 Wired Connection

Compatibility:
Compatible Platforms: Zoom, Microsoft Teams, Webex, Skype, GoToMeeting, and other VoIP applications
Operating System: Windows 7/8/10/11 or later, Mac OS 10.10 or later

Applications:
Recommended for conference rooms, small meeting spaces, remote offices, online education, business communication, and flexible workspaces

General:
Dimensions: 129 × 129 × 32 mm
Weight: Approx. 205 g (USB cable excluded)
Package Size: 190 × 180 × 38 mm
Package Weight: Approx. 360 g

What is the UM21 USB Conference Speakerphone?
The UM21 is a USB conference speakerphone that combines microphone and speaker functions for professional video conferencing, remote work, VoIP communication, and online meetings. It provides clear audio with AI-based noise reduction, 360° voice pickup, and full-duplex communication.

Does the UM21 require any driver installation?
No. The UM21 supports USB plug-and-play connectivity and works without additional drivers or software installation. Simply connect it to a computer or laptop using the USB cable for immediate use.

Which conferencing platforms are compatible with the UM21?
The UM21 is compatible with popular communication platforms including Zoom, Microsoft Teams, Webex, Skype, GoToMeeting, and other VoIP applications on Windows and Mac OS systems.

How far can the UM21 microphone pick up voices?
The UM21 features dual omnidirectional microphones with 360° voice pickup, capturing voices clearly within a range of up to 4 meters (13 ft), making it suitable for small meeting rooms and group discussions.

How does the UM21 reduce background noise and echo?
The UM21 uses AI-based audio processing technology to reduce background noise, suppress echo, and enhance voice clarity, providing a more professional meeting experience in office and shared environments.

How many people can use the UM21 for a meeting?
The UM21 is designed for small meetings and supports approximately 4-6 participants, making it suitable for conference rooms, home offices, remote teams, and collaborative workspaces.