MASSIVE BASS: Press the ULT button to boost your bass & feel the incredible power of sound PEREFECT FOR ON THE GO: Compact, easy-to-carry design with a detachable multi-way strap IP67 RATING: Waterproof, rustproof, dustproof, and shockproof this speaker is ready for just about anything LONG BATTERY LIFE: Enjoy music for longer with up to 12 hours of battery life IMPRESSIVE SURROUND SOUND: The sound diffusion processor fills up any space with sound through its DSP technology