SUNMAY Outdoor / Shower Bluetooth Speakers Portable Bluetooth 4.0 Speaker with Thermometer and Flashlight function Waterproof coating protects against water splash, light rain, mud, and dust Bluetooth 4.0 technology; wirelessly connect from up to 33 ft away with your iPhone, iPad, Android / Windows smartphones, tablets, and Bluetooth enabled music devices Rugged and enduring design with the best sound quality for its size achieved through a 5W driver and passive subwoofer Non-stop Audio: Built-in 500MAH battery for more time playing LED Flashlight and Thermometer function included