The Ultimate Outdoor Sound Experience – Rain or Shine Introducing the ION Audio Sport 320 – the rugged, portable, and powerful wireless speaker system engineered to deliver massive audio wherever you need it. With its innovative 320 degree speaker design and 100-hour battery life**, the Sport 320 is the only all-weather Bluetooth speaker you'll ever need for tailgates, beach days or backyard BBQs. **Battery life may vary based on usage, volume, and light mode.