The Model 4386 is a bundled package that includes a Model 4380 Bluetooth wireless headset with a built-in fold down microphone, along with a Model 4311 Bluetooth wireless USB adapter for a Windows PC. The result is a complete wireless solution for Skype, PC stereo music/audio, and PC gaming. Users can listen to stereo audio from their PC, hear an incoming ring over the audio, take a Skype phone call by pressing a button on the headset, and then switch back to music with another touch of the button.