Currently selling on Amazon for $299 This Ultimate Ears BOOM 2 Bluetooth Speaker is perfect for music lovers who want to take their tunes on the go. With Bluetooth connectivity, touch control, and water-resistant features, this portable speaker system is the ultimate choice for any outdoor adventure or party. Highlights Bold, immersive 360-degree sound Wireless connectivity to most Bluetooth-enabled smartphones, tablets and computers Versatile, go-anywhere shape Water and stain resistant acoustic skin 15-hour rechargeable battery* Features & details Lithium Batteries are included, they are built into the device and are non-removable Make Some Noise: UE BOOM is the 360-degree speaker that drops bold, immersive sound in every direction Up for Anything: UE BOOM has a versatile, go anywhere shape that is designed to be spontaneous Life-Resistant: Colorful acoustic skin with plasma coating makes UE BOOM water and stain resistant Live Wirelessly: Switch songs, adjust volume and take phone calls from up to 50 feet away. The rechargeable battery has 15 hours of playback Double Up: Wirelessly connect two UE BOOMs together in stereo via the UE BOOM app to spread the sound and pump up the volume