Mini Portable Bluetooth Silicone Waterproof Wireless Speaker "Green" RoundSound4 Great for Music While Outdoors, Biking, Hiking, at the Beach and in the Shower 3-WATT Speaker with Crystal Clear Sound 400-MAH BATT 4+ hours of Music Can be used in Harsh Environment. Shockproof, Dustproof, Waterproof No Hassle 1 Year Money Back Guarantee - Available in Green, Pink, Blue and Red Will Email English Manual. Chinese Manual Included