Ready for any terrain aluminum speaker won’t rust and has a silicone case that keeps out dust and impurities; Ultra rugged for use while hiking; IP64 waterproof rating for use in the rain, while boating & more; There’s even an emergency flashlight built in to help you on the trail. Made for traveling Includes an aluminum metal hook for hanging from your backpack frame or bicycle! Mount outdoors or in your boat or anywhere else you desire. Big sound in a tiny package Compact enough to fit in your backpack with ease but outfitted with two 5W speakers, a 4070 vibrating diaphragm and an anti-breaking amplifier for huge sound; It’s like carrying a concert with you! Stream from any device Uses CSR 4.0 BlueTooth technology to pair with an iPad, iPhone, Samsung Note or Galaxy & virtually all other iOS & Android devices from up to 30 feet away; Built in mic lets you even answer calls hands free.