You create the vibe: together or apart, these black wireless speakers bring high-quality sound to your setting. With a magnetic design that joins them together, you can choose the stereo sound you like. Connection range up to 30 feet. Play time: eight hours; charging: four. Charging cable included. Built-in lithium-polymer battery. Measures 2 1/2" diameter; 8 1/4" long. Screened logo.