Experience your tunes in high definition and surprising fullness realized through a driver and bass port - outclassing other similar-sized portable speakers.Automatically connect to the last-connected device when turned on enables one-step music streaming. Compatible with all Bluetooth-enabled devices (2.1 and over). 3.5mm audio port for non-Bluetooth devices.Outstanding connection range of up to 33 feet. Built-in microphone with a 2-feet pickup range allows the speaker to double as a speaker.