Portable Speakerphone- Ideal for personal use, private space and on-the-go- HD audio offers a clear and natural sound- Elegant and lightweight design- Able to pair the CP700 with 3 Bluetooth-enabled devices simultaneously- Multiple buttons with LED indicators provide users with easy-to-understand guidance- Compatible with T53,T53W,T54W and T57W phones if running V85 firmware- This includes a Yealink BT50 USB Bluetooth Dongle