Blueant X1i Portable Bluetooth Speaker comes with Grammy award winning DSP Software. It features a powerful 14-watt speaker, IP66 splashproof, up to 10 hours playtime. Net generation passive radiators deliver a bigger bottom end. Feel the bass. Enhanced dynamic range so you can hear more of your mic and with duo mode for connecting 2 speakers. Hight quality BluenAnt Signature drivers with sophisticated dynamics compensation for increased volume without artifacts. Intelligent volume stabilizers for smooth output levels. Patented shimmer weave fabric that looks as good as it sounds.