The Sony SRS-XB23 is a super-portable, powerful, and durable Bluetooth speaker. It's compact, lightweight, and easy to carry, featuring a convenient strap. The XB23 delivers powerful sound with enhanced bass and vocal clarity. It is water, dust, and rustproof (IP67), shockproof (up to 1.2m), and offers up to 12 hours of battery life. For larger gatherings, you can connect up to 100 compatible wireless speakers or stereo pair two of the same speakers.