Yealink CP700 Portable Bluetooth Conference SpeakerphoneHD sound for clearer conversations When using a portable conference speaker, users will naturally want speech to sound as natural as possible. That's why the Yealink CP700 offers HD sound on a level above what most conference speakers provide. Full duplex technology cuts out echo, even when the speaker is at full volume. And when you're not on a call, the CP700 also doubles up as a Bluetooth speaker, so you can use it to listen to music, too. High