12 HOURS OF MUSIC ON THE GO - Recharge your speaker and enjoy up to 12 hours of non-stop music playing time. And with its elastic carry strap and small, compact size, enjoy your 12 hours of music wherever you choose to go. WATERPROOF AND DUSTPROOF - The durable Rotocast Cabinet Seamless silicone cabinet is IP67 certified waterproof and dustproof. Take your speaker with you to the beach, on a hike with no ingress of sand, and in water between 1cm and 1m for 30 minutes ACCOMPANYING COLOR CHANGING LED VISUAL EFFECTS - With five color-changing modes (slow blend, fast blend, favorite color, pulse-to-music, and lantern), add a visual component to your auditory journey for a full sensory experience. TAKE PHONE CALLS... WITHOUT THE PHONE - Use the speaker’s echo noise cancellation and Reson8 technology and iOS 10 integration, take phone calls with crystal clear audio quality.