Stream music from the Magnet Rocker from an enabled Bluetooth device. Wireless Stereo-Link - connect both speakers for real stereo sound. Rugged design is IPX5 water resistant so they are safe in the rain or by the pool. Up to 12 hours of battery life for long lasting uninterrupted audio. Magnetic mount easily attach to a metallic surface. High power sound system with 2" driver and bass radiator for life-like sound. 2 Carabiners make it easy to hang and secure speakers. Includes micro USB cable. Speaker dimensions: 3.86"H x 2.13"W x 3.86"D.