ION Audio Block Rocker Explorer Sound System w/Bluetooth - Purple This music sound system streams music wirelessly from any Bluetooth device up to 75 feet away. This bluetooth features will ensure no more stepping on wires and music shutting down mid event Ion Block Rocker Explorer Works with iPad, iPhone, Ipond touch, Android devices, and more also features a power bank for charging these devices Powerful 50-Watt speaker system with built-in rechargeable battery that lasts up to 50 hours and provides loud and clear sound and bass making the playback music sound live Built-in digital AM/FM radio with durable antenna and input available for microphone, and other audio instruments Recessed wheels and telescoping handle for portability and rugged design for durability