Splash Trail Edition The ultimate outdoor companion for your outdoor adventures even includes a built-in mic for use as a speakerphone. DUAL Neodymium speaker drivers and a passive bass radiator give you the exceptional sound you demand in a size you can carry all day Rugged housing and protective outer rubber casing for the toughest situations. Dropped in the water? With IP57 standards, don't worry, it floats! Eliminates the need to drag wires or change batteries with all day rechargeable internal power. Up to 10 hours of indoor or outdoor play time and up to 240 hours of standby time! Waterproof. Dust and sand protected. Wireless Bluetooth portable, resonant sound for your Bluetooth devices. 3.5 mm jack for your wired devices and standard micro-USB recharge connector.