About {Waterproof Sports Speaker}, Wireless Mini Smart Portable Handheld Speakers Bluetooth by I-Venstar: The Venstar Wireless Waterproof Speaker is a rugged and portable mini Bluetooth Speaker that provides high definition sound for any occasion. It Can be used wirelessly (via Bluetooth), wired (via the Micro-USB or 3.5mm Aux ports), you can insert a Micro-SD card […]