Rugged, versatile design lets you bring the music anywhere with the iBT371 Bluetooth-enabled wireless system with built-in speakerphone capability. Color changing accent lighting modes make every location a party. Stream wireless digital audio via Bluetooth from your Bluetooth-enabled devices. Built-in mic and digital voice echo cancellation make speakerphone use a pleasure. IP67-certified water and sandproof, shock proof. Carry strap with carabiner clip included. Color: Black/Grey