iHaus4u iBTR-010 Waterproof Bluetooth Speakers with LED Lamp, Subwoofer Handsfree Built-in Microphone & Playback Controls for iPhone, Android, Smartphones, iPod, iPad, PC Amazing sound: powerful high-definition engineered with 3D dynamic sound technology with passive S-bass radiator via latest Bluetooth 4.0 technology Built tough: ultra portable, water-resistant ,shockproof, dustproof, splash proof, heavy-duty stereo speaker ideal for outdoors Long-lasting: you can enjoy 10 hour of non-stop music at 80% volume, three times longer than similar-sized portable speakers Universal compatibility: compatible with a variety of devices such as apple iPhones, iPads, iPods, MacBook's, PC laptops, Samsung galaxy