Additional Details ------------------------------ Product description: Sound like the professional you are with Poly Sync 20 USB / Bluetooth ® smart speakerphone - for conference calls and music anywhere you work. Take it wherever you go - it's got up to 20 hours of talk time.< / p>Dynamic audioC< / p>Take conference room-quality audio on the go. Enjoy remarkable sound from meetings to music and reduced echo and noise so you can be heard clearly.< / p>Works the way you doC< / p>A programable button puts your favorite function at your fingertips - play / pause music, last-number redial and voice assistant - it's up to you. What's the status of a call' Know from a distance with the highly visible light bar.< / p>Package Contents: Sync 20-M Speakerphone +USB-A to USB-C Cable Travel case Lanyard BT600 Bluetooth USB adapter