The Quattro 4.0 Bluetooth Microphone delivers crisp clear sound without distracting background noise to the Quattro 4.0 (sold separately). The Quattro 4.0 Mic is roughly the size of a chocolate sandwich cookie and is held or worn by the person speaking or placed in the middle of a conference table. Kit includes Quattro 4.0 Bluetooth Mic USB Charging Cord AC Power Adapter Magnetic Lapel Clip Lanyard and Carrying Pouch. [Click for quick start guide] "