The Plantronics Voyager Focus UC B825 Bluetooth headset allows you to connect to your laptop, tablet, desk phone, or mobile phone. You can listen to music or talk on the phone, completely hands-free. There's also active noise cancelling to help block out other sounds interfering with what you want to hear. You can move seamlessly from one device to another while wearing the Plantronics headset. Voice alerts will announce caller ID as well as connection status, mute options, and talk time.