Modern versatile design lets you bring the music anywhere with the iBT370 Bluetooth-enabled wireless system with built-in speakerphone capability. Stream wireless from your Bluetooth-enabled devices. Works with free Melody voice powered personal music assistant app to play music from Spotify, iHeartRadio and more. Built-in mic and digital voice echo cancellation make speakerphone use a pleasure. Operates on internal rechargeable battery, charges via USB charging port (USB cable included). IP65-rated water-resistant and dustproof Slip-resistant fabric for superior grip in wet conditions. Convenient carry strap included.