Kinivo BTX180 Wireless Bluetooth Mini Portable Speaker - Bass Boost and Multi-Point Connectivity Multi-point A2DP Bluetooth support; connect to up to two Bluetooth devices at the same time! Seamlessly stream music from any Bluetooth (A2DP) capable device; supports handsfree calling as well Passive subwoofer for bass; delivers full bodied rich sound Built in equalizer presets for bass & treble boost Internal rechargeable battery can be used for 5-6 hours of music