UE BOOM 2 Wireless Bluetooth Speaker. Anywhere-you-go-proof mobile speaker. Dual drivers shout out 360o sound that is loud and clear with powerful bass Resists water, shocks and dirt so you can go anywhere with your favorite music on Built-in speakerphone lets you take calls right from your UE BOOM 2 Rechargeable lithium-ion battery lasts up to 15 hours* Download the free UE BOOM App to pair or control your music, or enjoy features like Double Up, music alarm, and more Pair up to 8 Bluetooth enabled devices--connect up to two source devices at once, or stream to 2 UE BOOMs from one source NFC pairing enabled 100-foot wireless range Crazy sound for wild adventures. UE BOOM 2 is made for letting your wild side out. It's is waterproof (IPX7), drop-proof (from up to five feet high), dirt-proof, and stain proof, so it's not afraid to get wet, muddy and beat up. No matter if it's rain or shine UE BOOM 2 lets you bring the party to your favorite beaches, trails, caves and climbs, blasting insanely great sound in every direction. Order your UE BOOM 2 Wireless Bluetooth 360o Speaker from Brookstone today! *Actual battery life may vary with use. Rechargeable batteries have a limited number of charge cycles. The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Brookstone is under license.