Mivi Roam Ultra-Portable Wireless Speaker with HD Sound, Booming Bass and 5Watts Peak Output-Blue . The all-new Mivi Roam comes with best-in-class drivers. To enjoy a better sound experience, the wireless stereo with Bluetooth 5.0, lets you connect two speakers at once. It is dust and splash resistant (IP67) for you to enjoy your music devoid of worry. The long-lasting battery life lets you play music on and for 6 hours at 70% volume. Compactly built speaker lets you enjoy a seamless music experience.