From iBluetooth , this is a wireless headset for a Bluetooth GPS hands free phone or a computer ( VoIP calls. It's a comfortable and ergonomic solution for those who spend long hours on the mobile phone. The wireless headset is built for all day use. It comes with a Bluetooth USB dongle for the PC. With the dongle, you can connect your headset to a computer and use it as an audio device for VoIP applications, for example SKYPE. This headset canot be connected to the office landline phone. It connects to your Bluetooth mobile phone and PC that's Bluetooth enabled. It has a recharge stand making it perfect for your office, motor vehicle or home.