ION Block Rocker Portable Bluetooth Speaker System Upgraded 75hr Battery and 75 Foot Bluetooth Range Portable loudspeaker system with integrated rechargeable battery and wired/wireless connectivity, large size Stream music wirelessly from any Bluetooth-enabled device Works with iPad, iPhone, iPod touch, Android devices and more Input for a microphone, instruments and other audio sources Retractable, telescoping handle with integrated wheels for easy portability High-quality microphone included Built-in digital AM/FM radio and retractable antenna