The MAGNEBoom Swell is a completely waterproof, ultra-light, ultra-rugged portable speaker. Use the MAGNEPOD™ on the bottom of the Swell to attach it to your MAGNEPOD compatible BOTE watercraft and stream music wirelessly via Bluetooth. Get up to 6 hours of playtime, allowing you to take your music wherever you go. You can also wirelessly connect two MAGNEBoom Swell speakers together to enjoy amplified sound.