UE ROLL Wireless Mobile Bluetooth Speaker (Waterproof and Shockproof) - Atmosphere (2015) Powerful pint-sized wireless Bluetooth speaker-small and lightweight so you can blast your music out loud everywhere Unapologetically awesome 360-degree sound with deep bass Waterproof (IPX7 rated) life-resistant shell designed for adventure ( Waterproof for up to 30 minutes and a depth of 1 meter) 65 ft. Bluetooth wireless range and 9 hr. battery life go as long as you can (Actual wireless range and battery life will vary with use, settings and environmental conditions) Marine-grade bungee cord attaches to you or your bike, backpack, snorkel or whatever UE ROLL companion app-tune it, alarm it, Double UP the sound by pairing it to another Ultimate Ears speaker Gets awesome all the time through wireless, over-the-air speaker updates. Works with Apple and Android mobile devices