ECOXGEAR EcoStone Rugged Waterproof Bluetooth Wireless Speaker (Black w/Black Grill) This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com. The 100% waterproof acoustically engineered speaker provides a loud, full sound with crisp highs and clear vocals via the dual full range integrated speakers and rear mounted subwoofer Includes a built in LED flashlight and top mounted battery indicator Bring your music and your friends anywhere you go Clip the ECOSTONE to your bike, tent, backpack, or attach it via the integrated 1/4" camera style threading mount Purchase the optional ECOXGEAR suction mount separately The ECOSTONE is not just water resistant but actually 100% waterproof Don't worry if it gets knocked in the pool, falls off the boat, drops into the river, lake or ocean It even floats! Up to twelve-hours of music via the built in rechargeable Lithium Ion Charge the ECOSTONE via your computer, lap top, or wall power adapter The ECOSTONE will even charge your smartphone or tablet for those situations when you need backup power