Big, bold, beautiful sound: Sound so loud you will have to shout to be heard; 15 percent louder than the original UE ROLL;Stretchy, attachable marine-grade bungee: Strap the speaker to your bike, backpack, kayak or wherever else you want to take your music;Waterproof: You can submerge UE ROLL 2 in water and it'll be totally cool (Waterproof for up to 30 minutes and a depth of 1 meter);Lighter than a can of soda: Ultra-portable and so light you will forget you are even carrying it.;Go farther: 100 ft. Bluetooth wireless range and 9 hr. rechargeable battery life go as long as you canﾃつ (Actual wireless range and battery life will vary with use)