Compatible with any Bluetooth-enabled device for wireless listening Compact size makes it easy to bring along anywhere, with a built-in lanyard for effortless carrying Built-in speakerphone lets you use it for voice calling Eight hours of battery life allows for long listening sessions before recharging Powerful sound system ensures your music sounds great indoors and outside IPX5 water resistant design keeps it safe in light rain conditions Stereo pair capabilities let you add a second S110 speaker, sold separately, for immersive stereo sound