1. Hi-Fi Surround Sound: Dual full range drivers provide 50W stereo sound quality with clear highs, accurate mids and deep bass. 2. Rugged Protection Design: Durable design with waterproof and dustproof. By the poolside, at the beach, in the backyard, at park gatherings, or at other ongoing outdoor adventures, just feast on your preferred tunes anywhere rain or shine fearlessly. 3. The color lights are your own personal color 4. Built-in 6000mAh rechargeable battery, strong power for long working time.