The Creative VoIP Blaster Vintage USB Voice Over IP Adapter Modem Model TP0001 is a black, plug-and-play USB device designed for connecting a single handset to your computer for VoIP calls. With 3.5mm jack connectors for both earphones and phones, this adapter provides a convenient interface for converting your traditional phone calls into digital VoIP calls. The Creative brand ensures quality and reliability in this unique and creative solution for home networking and connectivity.