HIGH QUALITY SOUND from this powerful speaker is well balanced, with a rich, strong bass LONG RUNTIME of over 10 hours (at 70% of maximum volume) powered by a rechargeable Li-Ion battery BLUETOOTH 4.2 TECHNOLOGY provides a reliable, strong connection up to 32.8 feet (10 m) RUGGED SPEAKER DESIGN brings you water-resistant IPX rating enclosure with 6.6-Foot (2 m) drop protection, and is ideal for harsh environments VERSATILE MOUNTING via integrated hole for hanging, securing around conduit or bags, or use magnetic mounts embedded in the strap to mount to metal surfaces