Havit SK838BT Portable outdoor wireless speaker

1.IPX7 waterproof . 2.Universal Connectivity by Bluetooth, TF Card, and 3.5mm AUX . 3.Built-in large audio driver offers full high definition sound and enhanced bass . 4.Portable and Durable Construction . 5.Built-in large capacity battery can play up to 15 hours on a single charge. 6.TWS function .