Xtreme XBS9-1031-BLR is a water-resistant speaker with a suction cup that can be attached to various surfaces, allowing you to enjoy your music in different environments. It has a long battery life, lasting up to 10 hours of playtime, making it perfect for outdoor activities or travel. You can connect your devices via Bluetooth or use the 3.5mm aux port for a wired connection. The speaker also supports microSD cards, enabling you to play music directly from the card.