The Sitecom CN-531 WIRELESS STEREO HEADSET AND USB DONGLE lets you listen to music wirelessly on your computer up to 10 meters away. With a built-in microphone, you can use it for VoIP calls or conferencing. Easily connect the USB Bluetooth adapter to your PC and follow the on-screen instructions to install the necessary drivers. Charge the headset's internal battery for four hours to enjoy uninterrupted use.