Enjoy Monster sound wherever you go with the Monster Superstar Firecracker wireless speaker. Bluetooth connectivity streams aduio from your smartphone, tablet, or any Bluetooth-enabled device. Or, plug in to the 3.5mm AUX port and enjoy music from just about any source. It's shockproof, splashproof, and the rechargeable battery lasts up to 7 hours. Technical Details: Bluetooth enables wireless connectivity with compatible smartphones, tablets, notebooks, and PCs.