http://www.meeteasy.com.hk/2016/06/30/mid-hc/

The Meeteasy Mid HC USB conference phone is a perfect solution for teleconference room system. Supported by Meeteasy Crystal Sound technology, it eliminates echo and noise, guarantees crystal-clear audio in all directions. Mic-in and speaker-out ports allow connections to external microphones and speakers, you can also connect it to microphone hub and sound console for unlimited microphones and local speaker out. The Meeteasy Mid HC USB conference phone connects easily to your PC via a USB port for VoIP calls and web meetings.
 
Product Overview

• Suitable for large conferencing room
• Superb full duplex bi-directional conversation
• Noise cancellation removes ambient room noise
• USB connect to PC for Web-conferencing via Skype/MSN etc
• 3.5mm audio port for universal connectivity to other devices
• Support external recording device
• Port for external speakers or sound console
• High sensitive microphones provide 360° audio pickup over 4m
• Echo cancellation eliminates acoustic echo
• Advanced DSP technology for natural conversations
• Bluetooth built-in for conference calls via cell-phone
• Special handset design for switching to private call
• Support 4-way conferencing situation
• Port for external microphones

 
Selling Points:

Web Conferencing with USB Connection

Whenever Skype or other VoIP softphone conference is in demand, just connect Meeteasy Mid HC USB conference phone to a PC with a USB cable, to experience smooth, hands-free communication with no cut-outs or echo
 
Crisp, Clear and Rich Audio
Full band frequency response and advanced Meeteasy Crystal Sound audio processing technology, eliminate room noise and echo, and deliver remarkably rich full audio for natural, effortless conversations
 
Superb Full Duplex Technology
Let participants speak at the same time without cutting off one another, ensures that participants interact as naturally as possible
 
External Microphones and Speakers
Ports provided for connection to microphone hub, and amplifier or sound console. Unlimited microphones and speakers can be connected for different board room environments, hear and to be heard in every corner
 
3-Way conferencing
Connect one via analogue landline, at the same time, connect another party via PC web conferencing （connect to PC with 3.5mm audio cable）, 3 parties then can enjoy true interactive communications freely, suitable for small group remote project meetings, or meetings involve three locations

Keys and Ports
The Mid HC provides versatile connection ports for multiple functions, which suits the needs in different conference situations