Speaker with Speakerphone. Wirelessly stream audio from. Bluetooth-enabled devices. Speakerphone with digital echo canceling an talk/end button. Audio Caller ID (Apple devices running iOS 10. Control the iBT76 with your voice using the Melody personal voice powered music assistant app. Streams music from iHeartRadio, Spotify and more. 5 color modes to set the mood: Fast blend, slow blend, favorite color, pulse to music, and preset pulsing mode. Charging and pairing LED indicators. Internal rechargeable lithium ion battery in (USB charging cable included). Estimated battery life: up to 10 hours. Aux-in jack. Convenient carry strap included.