The Pyle PWMA940BTI Portable PA System features a wireless microphone, an iPod dock, Bluetooth wireless compatibility, a mixer with inputs for a guitar and inputs for additional mics and line devices. Built-in casters and a retractable handle allow the PWMA940BTI to go where you do. The built-in iPod dock lets guitarists jam to MP3s, as well as provide music for parties and presentations. The built-in wireless VHF receiver and handheld microphone deliver reliable microphone operation and reproduce speech and vocals accurately. The PWMA940BTI is a well suited solution for musicians, presentations, sermons and more.