The Yealink CP700 speakerphone offers an excellent sound experience thanks to HD voice output. The two built-in omni-directional microphones ensure that up to four people sitting in the room can be heard equally well. Echo cancellation technology and Yealink Noise Proof Technology suppress reverberation and background noise. Conversations sound natural and lifelike. The flat, lightweight design (220g) makes it easy to carry in your laptop bag. A travel case is included. Charging is via a USB port.