The Voombox Outdoor is rugged, water resistant, and built for the outdoors. It has an advanced audio performance that delivers a full-range listening experience. The 12-hour rechargeable battery gives you non-stop music from dusk till dawn. The Voombox Outdoor connects wirelessly to your Smart phone, tablet or other Bluetooth device using the latest 4.0 Bluetooth technologies. The Voombox also has a built-in MIC to make and take calls wirelessly on your own or for a conference call.