The JBL Go4 Portable Waterproof Wireless Speaker in black is a sleek and compact rectangular-shaped speaker that is perfect for on-the-go use. With Bluetooth connectivity, it allows for easy wireless connection to various devices. The waterproof feature makes it ideal for use by the pool, at the beach, or even in the shower. Weighing only 0.46 lbs, it is lightweight and portable, making it convenient to take with you anywhere. The JBL Go4 is a high-quality speaker that delivers powerful sound for all your music needs.