Bring rich music with bigger sound wherever you go with the Ultimate Ears Wonderboom 4 Ultraportable Bluetooth Speaker. Thanks to Outdoor Boost; you can hear your playlist loud and clear. - Provides 360° sound with big bass and balanced sound - Outdoor Boost and Podcast Mode deliver rich and clear sound even when you're in a noisy environment - Offers 14 hours of battery life; letting you enjoy listening to your playlists for extended periods - IP67 floatable and water- and dust-proof design helps it withstand harsh outdoor elements - Can be paired with up two WONDERBOOM 4 speakers (not included) for bigger sound - Works within a 40m range and comes with a handy loop; so you can enjoy music wherever you are What's in the Box: - 1x Ultimate Ears WonderBoom 4 - 1x Bungee (attached to product) - 1x USB Cable - 1x Quick Start Guide ( printed inside the box)