!  QualityPower your music with this sound in a small form factor that plays your music or other audio from a Bluetooth enabled device or via the 3.5mm audio input, making it compatible with just about anything that plays music.  With the built-in microphone, it allows you to conference call on-the-go through your smartphone or by video chat programs like Skype, iChat or Google Talk.  Perfect for anyone that travels and is on-the-go or it can simply sit at a desk in an office setting. Bluetooth working range is 10 meters (33 feet).