Marley Signature Sound delivers superb sound clarity and vibrant detail. Rich powerful bass accurate mid-tones and an energized high-end. Slim sleek solar panel offers up to 5 hours of sound. Built-in bottle opener ambient mood lighting and a clever carry handle. IP67 Rated waterproof. Crafted with sustainable materials: Bamboo Recycled Plastics REGRIND Silicone.. 10 Hours of playtime. 15 Minute quick charge for an extra 1 hour of playtime. Stereo and Party Pair Modes. Includes charging cable.