Ultimate Ears Miniroll Ultra-Portable Waterproof Bluetooth, Gentle Black Meet MINIROLL, the durable, compact speaker that gives you big sound?anywhere. A hookable strap lets you take your music along for the ride. Delivering surprisingly big bass and crisp sound in one portable package, with a whopping 12 hours of playtime on one charge. The rugged IP67 rating lets you submerge MINIROLL in water for up to 30 minutes. It?s dust-proof, and survives drops of up to 4 feet, or 1.2 meters. And with Auracast?, you can pair several MINIROLL speakers to get extra loud. 131 feet, or 40 meters, of wireless range gives you total freedom to roam. And it?s made with 40% recycled plastic. So strap in?attach MINIROLL to bikes, rafts, and backpacks?and embrace the journey. Crisp, Clear and Bassy: Surprisingly big bass in one petite, portable speaker 12 Hours of Boom: The MINIROLL portable wireless speaker gives you tons of playtime, no matter where you take it Waterproof and Dustproof: This IP67-rated waterproof speaker can be submerged in 1 m of water for 30 minutes and is protected against dust; great for the pool, beach, or shower PartyUp: Pair unlimited MINIROLL portable Bluetooth speakers with Auracast to get extra loud 40 Meters (131 Feet) of Range: A small Bluetooth speaker with big wireless range Made With Recycled Plastic: The plastic parts in the MINIROLL mini speaker contain a minimum of 40% post-consumer recycled plastic by weight Charging time is 2.65 hours with 5V/0.5A Adapter