http://www.meeteasy.com.hk/2016/06/17/mvoice8000-b/

Have clear conversations even when people are across a large room with the MVOICE 8000 series speakerphone.It can connect to a notebook, tablet via USB, or mobile phone via Bluetooth. The MVOICE 8000-B Bluetooth speakerphone also works great with PC-based communication software,to replace the PCs and mobile phone's speaker and microphone with outstanding audio quality.
 
Product Overview:

• Suitable for medium to large group conference calls
• Echo cancellation eliminates acoustic echo
• USB connectivity to PC for Web-conferencing
• Advanced DSP technology delivers remarkably rich, crystal-clear audio
• Big built-in speaker for outstanding audio output
• 3 high sensitive microphones provide 360° audio pickup over 3 meters
• Noise cancellation removes ambient room noise
• Bluetooth built-in for conference calls via cellphone
• Microphones can be controlled separately to the talker for clear audio
• Built-in Lithium-ion battery for talk time over 4 hours

 
Selling Points:

Simply Plug in and Talk

Easily connect to your PC or laptop via USB, works great with PC based communication softphone applications i.e Skype ,Zoom etc

Wireless Conference with Bluetooth

Support connection to mobile phone via Bluetooth, turn your mobile phone as a conference station anytime and anywhere

Integrate with Video Conference System

Professionally designed to work with video conference system, provide perfect and cost-effective audio solution to your video conferences

Enjoy Crisp, Clear and Rich Audio

Full band frequency response and advanced CrystalSound audio processing technologies deliver remarkably rich full audio for natural, effortless conversations

Ultra-low Power Consumption

Works with ultra low power consumption, no worry of drawing too much power from your PC or video conference system