Color Changing Bluetooth Rechargeable Speaker System with Speakerphone - Bring the party wherever you go with the iBT74 color changing rechargeable Bluetoothspeaker. The iBT74 has two audio sources: Bluetooth wireless audio streaming from your mobile device (iPad, iPhone, iPod, Android, Windows smartphones) or direct line-in via the included cable and any device with a headphone jack. Built-in mic, digital voice echo cancellation and answer/end controls make speakerphone use a pleasure. Six color changing modes with multiple colors at the same time for fun, fabulous color effects. Convenient carrying strap included - Black.